Academic literature on the topic 'ZrOCl2'

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Journal articles on the topic "ZrOCl2"

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Ji, Xiao Li, Guo Min Li, Hao Wang, and Wei Wei Wan. "Preparation of Nano-Sized ZrO2 Powders by Polyvinyl Alcohol-Gel Method." Key Engineering Materials 508 (March 2012): 27–31. http://dx.doi.org/10.4028/www.scientific.net/kem.508.27.

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Nano-Sized ZrO2 Powders Were Synthesized from ZrOCl2•8H2O by Polyvinyl Alcohol-Gel Technology, Using Polyvinyl Alcohol (PVA) as a Monomer and Glutaraldehyde (GA) as a Cross-Linking Reagent. The Stability of the Gel Was Affected by Concentration of PVA and GA, Volume of ZrOCl2•8H2O. Moderate Strength of Gel Was Synthesized by Raw Materials of PVA (2%), ZrOCl2•8H2O (30~40 g) and GA (10ml). Nano-Sized ZrO2 Was Obtained Finally, with Uniform Particle Size and Good Dispersibility, and Size Was about 20 nm. Doped ZrO2 with Stabilized Tetragonal Crystal Was Obtained at Room Temperature. The Effect of Calcine Temperature on Phase Structure of ZrO2 Powders Has Been Investigated.
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Li, Qiang, Dan Yu Jiang, Ya Jun Fan, and Cheng Zhang. "A Novel Non-Aqueous Solvent Chemical Process to Synthesize Nano-ZrO2." Key Engineering Materials 336-338 (April 2007): 2060–61. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.2060.

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This paper reports a novel non-aqueous solvent chemical process to prepare nano ZrO2 powders. ZrOCl2•6H2O and urea were directly dissolved into an organic solvent of glycol. After this solution was put into an oven and reacted at 950C for 2 h, a transparent gel was obtained. As-received gel was heated at 2100C for 5 hrs to remove glycol, and dry powders were obtained. Then the powders were calcined at 7500C, and monoclinic phase of ZrO2 was obtained. With different concentration of ZrOCl2, a range of nano ZrO2 powders were obtained. Furthermore, a surfactant of polyglycol was added into the solution to improve the dispersion of nano-particles in the gel. XRD analysis confirmed the monoclinic phase of ZrO2. SEM imaging showed the characteristics of nanoparticles. BET analysis was employed to test the aggregation of as-received nano ZrO2 particles. Considering the effects of both the concentration of ZrOCl2 and the surfactant, the optimized synthesis process of nano ZrO2 particles was formed.
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Zan, Ling, Chengshan Zhang, Gaoxian Dong, and Kangkang Wang. "ZrOCl2 for fluoride glass preparation." Journal of Non-Crystalline Solids 140 (January 1992): 331–34. http://dx.doi.org/10.1016/s0022-3093(05)80791-4.

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Xia, Jian Fei, Zong Hua Wang, Yan Zhi Xia, Fei Fei Zhang, Fu Qiang Zhu, and Yan Hui Li. "One Step Synthesis and Characterization of Zirconia-Graphene Composites." Advanced Materials Research 600 (November 2012): 174–77. http://dx.doi.org/10.4028/www.scientific.net/amr.600.174.

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Zirconia-graphene composite (ZrO2-G) has been successfully synthesized via decomposition of ZrOCl2•6H2O in a water-isopropanol system with dispersed graphene oxide (GO) utilizing Na2S as a precursor could enable the occurrence of the deposition of Zr4+ and the deoxygenation of GO at the same time. Transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction (XRD) techniques were used to characterize the samples. It was found that graphene were fully coated with ZrO2, and the ZrO2 existing in tetragonal phase, which resulted in the formation of two-dimensional composite.
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Niu, Jin Ye, Zhi Wei Chen, Cheng Gong Sun, Liu Feng, Zheng Min Li, and Jie Li. "Hydrothermal Synthesis and Characterization of LiZr2(PO4)3." Key Engineering Materials 512-515 (June 2012): 195–98. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.195.

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Lithium dizirconium phosphate (LiZr2(PO4)3) possesses good ionic conductivity owing to its unique framework structure and can be used as favorable anode material in Li-ion battery. LiZr2(PO4)3 is commonly prepared by solid phase reaction in which higher temperature is needed and pure LiZr2(PO4)3 without other phases is difficult to obtain in the final products. In this paper, low cost hydrothermal synthesis of pure (LiZr2(PO4)3) was studied. Effects of the hydrothermal conditions (molar ratios of Li+ to ZrOCl2, addition of HF, pH values of reaction system and hydrothermal temperatures) on the phase composition of the products were investigated. The results showed that pure LiZr2(PO4)3 was successfully prepared at lower temperature of 80°C for 24h with the addition of HF when the pH value was adjusted to 5.0 and the molar ratio of Li+ to ZrOCl2 was 0.5 with the concentration of ZrOCl2 as 0.6mol/L. The phases and purity of the final products were characterized by XRD analysis.
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Li, Xue Feng, Wei Yun Guo, Huan Xin Gao, and Qing Ling Chen. "Sulfated ZrO2 Supported on HMS Mesoporous Silica for Catalytic Epoxidation of Soybean Oil." Advanced Materials Research 233-235 (May 2011): 198–201. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.198.

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Sulfated zirconia supported on HMS mesoporous silica (SZ-HMS) was prepared and evaluated by catalytic epoxidation of soybean oil. The preparation procedure of SZ-HMS included soaking of HMS with ZrOCl2, and then sulfating with H2SO4. The samples were characterized by IR, XRD, and N2-adsorption. SZ-HMS kept the typical mesoporous crystalline as well as pore structure and exhibited an excellent catalytic performance for the epoxidation of soybean oil. The best catalytic activity, 4.4 of epoxy value, is acquired over the SZ-HMS sample prepared by 0.2 mol/L of ZrOCl2 concentration, 0.75 mol/L of H2SO4 concentration, and 823 K of calcination temperature.
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Wang, Xin M., and Ping Xiao. "Solvothermal synthesis of titania-zirconia composite." Journal of Materials Research 21, no. 2 (February 1, 2006): 355–68. http://dx.doi.org/10.1557/jmr.2006.0042.

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Nanocomposite particles of anatase-type titania (TiO2) and cubic/tetragonal zirconia were synthesized from hydrothermal processing of TiCl4 and ZrOCl2·8H2O or ZrCl4 alcohol solutions at 160–200 °C. It was found that the morphologies and composition of the composite particles were mainly controlled by the precursors and the sequence by which the precursors were added. The TiO2–ZrO2 composite particles with nanoscale uniformity can be obtained by solvothermal processing of TiCl4 or a ZrO2 precursor together with preformed ZrO2 or yttria stabilized zirconia (YSZ) nanoparticles in ethanol. A novel one-step and non-template method for preparing ZrO2–TiO2 core–shell structured composite particles with hollow interior was identified, and possible reaction mechanism was suggested.
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JIA, Yu, Yuji HOTTA, Cihangir DURAN, Kimiyasu SATO, and Koji WATARI. "Kinetic Study on Nano-ZrO2 from ZrOCl2 Solution Modified with Diglycol." Journal of the Ceramic Society of Japan 113, no. 1317 (2005): 380–82. http://dx.doi.org/10.2109/jcersj.113.380.

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Shaibuna, M., Muhammed Jeneesh Kariyottu Kuniyil, and K. Sreekumar. "Deep eutectic solvent assisted synthesis of dihydropyrimidinones/thiones via Biginelli reaction: theoretical investigations on their electronic and global reactivity descriptors." New Journal of Chemistry 45, no. 44 (2021): 20765–75. http://dx.doi.org/10.1039/d1nj03879f.

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Yan, Xue, Xiao Nong Cheng, Xin Bo Yang, and Cheng Hua Zhang. "Combustion Synthesis of ZrW2O8 and Preparation of its Composite with Near Zero Thermal Expansion." Key Engineering Materials 353-358 (September 2007): 1235–38. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.1235.

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ZrW2O8 was successfully synthesized via combustion method with (NH4)5H5[H2(WO4)6] ·H2O, ZrOCl2·8H2O, H3BO3, (NH2)2CO and HNO3. The best prescription of combustion synthesizing of ZrW2O8 was obtained. The linear thermal expansion coefficient of synthesized ZrW2O8 is -5.08×10-6oC-1 in the temperature range of 50-600oC. Different weight ratios of ZrW2O8 and ZrO2 were taken into account. Al2O3 was added into the composite during sintering to increase the density of the composites. When the weight ratio of ZrO2 to ZrW2O8 is 2, the composite with near zero thermal expansion can be obtained. 0.25 wt% Al2O3 can effectively increase the density of ZrO2/ZrW2O8 composites with slight influence on the thermal expansion property.
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Dissertations / Theses on the topic "ZrOCl2"

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Pimenta, Jean Senise. "Metalização mecânica para brasagem de uniões ZrO2/metal e ZrO2/ZrO2." reponame:Repositório Institucional da UFSC, 2012. http://repositorio.ufsc.br/xmlui/handle/123456789/94180.

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Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Gradução em Engenharia Mecânica, Florianópolis, 2010
Made available in DSpace on 2012-10-25T07:21:09Z (GMT). No. of bitstreams: 0
No presente trabalho empregou-se a técnica de metalização mecânica na produção de um revestimento de metal ativo (Ti ou Zr) para reduzir superficialmente a zircônia e favorecer o molhamento com ligas de adição convencionais. A interface resultante foi caracterizada por técnicas de análise microestrutural. Posteriormente, avaliou-se o desempenho de juntas brasadas estanques cerâmica/metal e cerâmica/cerâmica por meio de testes de microdureza e resistência mecânica à flexão-3p. A condição de molhamento foi analisada em substratos metalizados constituídos por zircônia (ZrO2) estabilizada com ítria ou magnésia, usando-se as ligas Ag-28Cu e Au-18Ni nos respectivos ciclos térmicos. Os melhores resultados dos testes de molhamento foram selecionados para os testes de brasagem indireta em forno de alto-vácuo (<3 10-5 mbar) e metalização com Ti. Os ângulos de contato medidos em decorrência da metalização prévia com Zr foram consideravelmente elevados, afetando a qualidade do molhamento das ligas fundidas. Juntas cerâmica/metal e cerâmica/cerâmica brasadas com a liga Ag-28Cu e metalização com Ti apresentaram ótima estanqueidade nos testes de detecção de vazamento de gás hélio a temperatura ambiente. Entretanto, nas juntas ZrO2/Ti-6Al-4V brasadas com a liga Au-18Ni verificou-se uma estanqueidade insatisfatória e a presença de microtrincamento na interface cerâmica/liga de adição. Perfis de microdureza feitos através da interface em juntas estanques não revelaram alteração brusca nesta propriedade mesmo onde a zircônia mostrou um típico escurecimento após o ciclo térmico de brasagem. Interações ocorridas entre os componentes individuais da junta brasada e, em particular, na camada escura de reação adjacente ao substrato metalizado foram investigadas por técnicas de análise microestrutural e análise EDX. A resistência mecânica à flexão-3p apresentou os melhores resultados nas juntas ZrO2/Ag-28Cu/Ti-6Al-4V (metalização com Ti). A ruptura se deu na interface cerâmica/liga, onde as superfícies de fratura mostraram arrancamento severo e alguma porção de material cerâmico aderido ao par metálico da união.
In the present study, the mechanical metallization technique was used in the production of an active metal coating (Ti or Zr) for superficial reduction of zirconia ceramic and increasing wetting in it using active-metal-free filler alloys. The resultant interface was characterized by microstructural analysis techniques. Afterwards, the performance of tight ceramic/metal and ceramic/ceramic brazed joints was evaluated by microhardness and three-point flexure tests. The wetting condition was analyzed in metallized substrates composed by stabilized zirconia with yttria or magnesia, using the conventional filler alloys Ag-28Cu and Au-18Ni with respective thermal cycles. Better wetting results were selected for indirect brazing tests in a high vacuum furnace (<3 10-5 mbar) using titanium metallization. Measured contact angles as a result of zirconium metallization were considerably high, which affected the wetting quality of molten filler alloys. Reliable vacuum tight ceramic/metal and ceramic/ceramic joints were produced using Ti metallization and the Ag-28Cu filler based on helium gas leak detection test at room temperature. However, the tightness for ZrO2/Au-18Ni/Ti-6Al-4V joints with Ti metallization was not satisfactory at all including the presence of microcracking was observed at the resultant interface. Microhardness profiles made across the tight joints interface did not reveal any severe change in this mechanical property, including also where zirconia undergone a typical darkening during brazing thermal cycle. Interactions between the individual members of the brazed joint assemble and, in particular, at the dark reaction layer that was formed closely to the metallized substrate were examined by microstructural analysis techniques and energy dispersive X-ray analysis. With regard to the mechanical strength by three-point flexure test better results were obtained for ZrO2/Ag-28Cu/Ti-6Al-4V joints (titanium metallization). The rupture occurred at the ceramic/filler interface whose fracture surfaces presented severe pulling up and some portion of ceramic material remained adhered to the metallic counterpart of the brazed joint.
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Dressler, Martina [Verfasser]. "Kristallisationskinetik in TiO2/ZrO2, SnO2/ZrO2 und ZrO2-haltigen LAS-Glaskeramiken mittels der Hochtemperaturröntgenbeugung / Martina Dressler." München : Verlag Dr. Hut, 2012. http://d-nb.info/102878533X/34.

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Dantz, Dirk. "Eigenspannungen in mikrowellengesinterten Ni/8Y-ZrO2 und NiCr8020/8Y-ZrO2 Gradientenwerkstoffen." Berlin : Hahn-Meitner-Inst, 2000. http://opus.kobv.de/tuberlin/volltexte/2000/74/.

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Salem, Raphael Euclides Prestes. "Desenvolvimento de ZrO2/Al2O3 e ZrO2/Al2O3-NbC usando sinterização convencional e não convencional." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/74/74133/tde-26022018-094441/.

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Os compósitos cerâmicos de alto desempenho têm sido objeto de frequentes estudos nas últimas décadas, visando à melhora das propriedades mecânicas e ao aumento da sua gama de aplicações em produtos tecnológicos. Este trabalho consistiu em estudar a preparação, a sinterização convencional e não convencional e as propriedades mecânicas e tribológicas resultantes de dois sistemas compósitos: t-ZrO2/Al2O3 e t-ZrO2/Al2O3-NbC. No sistema t-ZrO2/Al2O3 foram estudadas as composições de 0, 5 e 15% em volume de Al2O3 usando pós comerciais. No sistema t-ZrO2/Al2O3-NbC, foi usado um pó nanocristalino de Al2O3-NbC, obtido por moagem reativa de alta energia e adicionado na proporção de 5% em volume à matriz de t-ZrO2. Os pós foram prensados uniaxial e isostaticamente e sinterizados em forno convencional e pelas técnicas de flash sintering (FS) (t-ZrO2/Al2O3) e spark plasma sintering (SPS) (t-ZrO2/Al2O3-NbC). Os compósitos t-ZrO2/Al2O3 sinterizados convencionalmente e t-ZrO2/Al2O3-NbC sinterizados convencionalmente e por SPS foram caracterizados por medidas de densidade aparente, dilatometria, microscopia eletrônica de varredura (MEV), e medidas de propriedades mecânicas: dureza, módulo de Young e tenacidade à fratura. Os compósitos t-ZrO2/Al2O3 sinterizados por FS foram caracterizados por medidas de densidade aparente, dilatometria in situ e MEV. Os nanocompósitos de t-ZrO2/Al2O3-NbC foram também caracterizados quanto à resistência ao desgaste pelo método esfera-no-disco, utilizando esferas de Al2O3 e WC-6%Co como contramateriais. Os resultados mostraram que a moagem reativa de alta energia foi completa e efetiva na obtenção de pós nanométricos de Al2O3-NbC, com tamanhos de cristalito de 9,1 nm para Al2O3 e 9,7 nm para o NbC. A desaglomeração posterior à moagem de alta energia foi eficaz na redução do tamanho de aglomerados. Os compósitos t-ZrO2/Al2O3 e t-ZrO2/Al2O3-NbC sinterizados convencionalmente e ZrO2/Al2O3-NbC sinterizados por SPS mostraram alta densificação (>97% DT e boas propriedades mecânicas. Os nanocompósitos de t-ZrO2/Al2O3 sinterizados por FS apresentaram uma densificação ultrarrápida (< 1 min) com retração linear superior às amostras sinterizadas em forno convencional, ocorrente a temperaturas inferiores a 1000°C, com densidades relativas superiores a 90% DT em algumas composições. Os nanocompósitos de t-ZrO2/Al2O3-NbC apresentaram propriedades competitivas entre os compósitos sinterizados convencionalmente e por SPS, com dureza e tenacidade à fratura superiores às da t-ZrO2 monolítica. A resistência ao desgaste desses nanocompósitos sinterizados convencionalmente, no entanto, foi notadamente superior à dos sinterizados por SPS. A oxidação do NbC nos compósitos sinterizados convencionalmente influiu negativamente nas propriedades, levando à sugestão de uma \"janela\" de temperaturas em que a sinterização do nanocompósito de t-ZrO2/Al2O3-NbC seja interessante sem a degradação das propriedades mecânicas. Os resultados permitiram concluir que os materiais estudados apresentam potencial para aplicações industriais que requerem cerâmicas de alto desempenho mecânico e de resistência ao desgaste.
High performance ceramic composites have been the subject of frequent studies in recent decades, aiming at improving mechanical properties and increasing their range of applications in technological products. This work consisted in studying the preparation, the conventional and non-conventional sintering and the mechanical properties resulting from two t-ZrO2 matrix composites: the t-ZrO2/Al2O3 system and the t-ZrO2/Al2O3-NbC system. In the t-ZrO2/Al2O3 system, the compositions of 0, 5 and 15% by volume of Al2O3 using commercial powders were studied, while in the t-ZrO2/Al2O3-NbC system, an Al2O3-NbC nanocrystalline powder obtained by high energy reactive milling, deagglomerated, leached in HCl and added in the proportion of 5% by volume to the t-ZrO2 matrix. The obtained powders were uniaxially and isostatically pressed and sintered in conventional furnace and using flash sintering (t-ZrO2/Al2O3) and spark plasma sintering (SPS) (t-ZrO2/Al2O3-NbC). Conventionally sintered t-ZrO2/Al2O3 and conventionally sintered t-ZrO2/Al2O3-NbC composites were characterized by measurements of apparent density, dilatometry, SEM, and mechanical properties: hardness, Young\'s modulus and fracture toughness. The t-ZrO2/Al2O3 composites sintered by FS were characterized by measurements of apparent density, in situ dilatometry and SEM. t-ZrO2/Al2O3-NbC nanocomposites were also characterized for wear strength by the ball-in-disc method, using Al2O3 and WC-6%Co beads as countermaterials. The results showed that the high energy reactive milling was complete and effective in obtaining nanometric powders of Al2O3-NbC, with crystallite sizes equal to 9.1 and 9.7 nm, for Al2O3 and NbC, respectively. The deagglomeration after high energy reactive milling was effective in reducing the size of agglomerates. Conventionally sintered t-ZrO2/Al2O3 and t-ZrO2/Al2O3-NbC composites and SPS-sintered t-ZrO2/Al2O3-NbC showed high densification (> 97% TD), good dispersion of the inclusions in the matrix and good mechanical properties. The t-ZrO2/Al2O3 nanocomposites sintered by FS presented an ultrafast densification (<1 min) with linear shrinkage superior to the sintered samples in conventional furnace, occurring at temperatures lower than 1000°C, with relative densities higher than 90% TD in some compositions. The t-ZrO2/Al2O3-NbC nanocomposites presented competitive properties between conventionally sintered and SPS-sintered composites with higher hardness and fracture toughness than monolithic t-ZrO2. The wear resistance of these conventionally sintered nanocomposites, however, was markedly higher than those of SPS-sintered ones. The oxidation of NbC in the composites sintered conventionally influenced negatively the properties, leading to the suggestion of a \"window\" of temperatures in which the sintering of the t-ZrO2/Al2O3-NbC nanocomposite is interesting without the degradation of the mechanical properties. The results allowed concluding that the studied materials present potential for industrial applications that require high mechanical performance and wear resistance ceramics.
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Asencios, Yvan Jesús Olortiga. "Reações de reforma de biogás sobre catalisadores de NiO-MgO-ZrO2 e NiO-Y2O3-ZrO2." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/75/75134/tde-11032013-093914/.

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A fermentação anaeróbia da matéria orgânica produz uma mistura de gases chamada biogás. Este biogás contém CH4 e CO2 como componentes majoritários. Estes dois compostos são gases de efeito estufa e sua utilização é muito importante do ponto de vista ambiental e econômico. O presente trabalho teve por objetivo produzir gás de síntese (H2/CO), uma matéria prima de alto valor industrial, a partir da reforma oxidativa do biogás com adição de oxigênio (1,5CH4+1,0CO2+0,25O2) sobre catalisadores de NiO-MgO-ZrO2 e NiO-Y2O3-ZrO2. Os catalisadores foram preparados usando o método de polimerização numa única etapa e foi estudada a variação do teor de MgO e de Y2O3 contido nas amostras. Estes materiais foram caracterizados por DRX, RTP, Adsorção-dessorção de N2, XPS, XAS-XANES, MEV e EDX e foram avaliados na reação de reforma oxidativa de um biogás modelo (composição molar:1,5 CH4/1CO2) em presença de oxigênio, a 750°C e 1atm, visando à obtenção de gás de síntese. Os teores de MgO utilizados no sistema NiO/MgO/ZrO2 foram de 0%, 4%, 20%, 40% e 100% em relação ao ZrO2 (os mesmos teores foram utilizados para Y2O3 no sistema NiO/Y2O3/ZrO2) e o teor mássico de Ni foi 20%. As análises de DRX, TPR, XPS confirmaram a formação das soluções sólidas NiO-MgO e MgO-ZrO2 nos catalisadores NiO-MgO-ZrO2, e das soluções sólidas NiO-Y2O3 e Y2O3-ZrO2 nos catalisadores NiO-Y2O3-ZrO2. Estas soluções sólidas juntas, nos correspondentes catalisadores, melhoraram o desempenho catalítico, levando a altos valores de conversão e baixas taxas de deposição de coque. O teor de MgO ótimo foi de 20%mol no sistema NiO/MgO/ZrO2, e de 20% e 40% mol de Y2O3 no sistema NiO/Y2O3/ZrO2. Nos catalisadores NiO-MgO-ZrO2, a solução sólida NiO-MgO favoreceu principalmente a reação de reforma seca do metano (CH4+CO2), enquanto que nos catalisadores NiO-Y2O3-ZrO2 a solução sólida Y2O3-ZrO2 favoreceu principalmente à oxidação parcial do metano (CH4+1/2O2). Os catalisadores Ni20MZ e Ni20YZ apresentaram resultados promissores para a reforma oxidativa de biogás em presença de oxigênio sendo estes catalisadores melhores do que uma amostra comercial de Ni/Al2O3 (20%Ni) testada nas mesmas condições de reação. A razão H2/CO nos produtos das reações sobre os melhores catalisadores foi muito próxima de 1,0; o que permite seu uso direto em diversas reações, como reação de Fischer-Tropsch, síntese direta de dimetil-éter (processo STD) e síntese de formaldeído.
The anaerobic fermentation of the organic material produces a mixture of gases called biogas. This biogas contains CH4 and CO2 as major components. These two compounds are greenhouse gases and their use are very important from the environmental and economic point of view. The present study aimed to produce synthesis gas (H2/CO), a high-value raw material for the chemical industry, from the oxidative reforming of biogas using oxygen (1.5CH4 +1.0CO2+0.25O2) over NiO-MgO-ZrO2 and NiO-Y2O3-ZrO2 catalysts. These catalysts were prepared by the one-step polymerization method. The variation content of MgO and Y2O3 in each catalyst was studied. These materials were characterized by XRD, TPR, adsorption-desorption of N2, XPS, XAS, SEM and EDX; they were evaluated in the oxidative reforming reaction of a model biogas (molar composition: 1.5 CH4/1CO2) in the presence of oxygen at 750 °C and 1atm, aiming to produce synthesis gas.
The content of MgO in the NiO/MgO/ZrO2 system was varied ranging from 0-100% (0%, 4%, 20%, 40% and 100%mol in relation to ZrO2) , the same contents were used for the Y2O3 in the NiO/Y2O3/ZrO2 system. All catalysts had 20% wt of Ni. The XRD, TPR and XPS confirmed the formation of NiO-MgO and the MgO-ZrO2 solid solutions in the NiO-MgO-ZrO2 catalysts; and NiO-Y2O3 and Y2O3-ZrO2 solid solutions in the NiO-Y2O3-ZrO2 catalysts. These solid solutions together, in the corresponding catalysts, inproved the catalytic performance, leading to high conversion rates and low carbon deposition rates. The optimum MgO content was 20mol% for the NiO/MgO/ZrO2 system and 20% and 40mol% of Y2O3 for the NiO/Y2O3/ZrO2 system. In the NiO-MgO-ZrO2 catalysts, the NiO-MgO solid solution promoted primarily the dry reforming reaction of methane (CH4 + CO2), while in the NiO-Y2O3-ZrO2 catalysts, the Y2O3-ZrO2 solid solution primarily favored the partial oxidation of methane (CH4 + 1/2O2). The Ni20MZ and Ni20YZ catalysts showed promising results for the oxidative reforming of biogas in the presence of oxygen; these catalysts being better than a commercial catalysts (Ni/Al2O3; 20%wt Ni) tested under the same reaction conditions. The H2/CO ratio in the reaction products over the best catalysts was very close to 1.0, which allows its direct use in various processes such as Fischer-Tropsch process, Syngas-to-dimethyl-ether process (STD) and in the synthesis of formaldehyde.
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Marr, Robert A. (Robert Allen) 1965. "The Na2O-ZrO2-SiO2 and CaO-ZrO2-SiO2 systems : theoretical petrogenetic grids and synthesis experiments." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56671.

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Fixed-slope P$ rm sb{s}$-$ mu sb{ rm H2O}$ diagrams have been generated for the pseudoternary systems $ rm SiO sb2$-$ rm Na sb2 ZrO sb3$-$ rm H sb2O$ and $ rm SiO sb2$-$ rm CaZrO sb3$-$ rm H sb2O$ as first approximations to P-T phase relations for the Na- and Ca-zirconosilicates, respectively. Two possible topologies were determined for each pseudoternary based on an interchange of stable and metastable invariant points. Although for the $ rm SiO sb2$-$ rm Na sb2 ZrO sb3$-$ rm H sb2O$ system the correct topology cannot yet be resolved, owing to a lack of constraints from experimental and field observations, chemographic analysis reveals that the critical observation would be either the coexistence or incompatibility of the divariant mineral assemblage: elpidite + parakeldyshite.
The observed replacement of armstrongite by gittinsite + quartz in the Strange Lake peralkaline complex, Canada, suggests that the preferred topology for the $ rm SiO sb2$-$ rm CaZrO sb3$-$ rm H sb2O$ system may be the one in which the calcium catapleiite-, quartz- and calciohilairite-absent invariant points are stable.
Synthesis experiments in the $ rm SiO sb2$-$ rm CaZrO sb3$-$ rm H sb2O$ system resulted in the formation of the compound $ rm{Ca sb2 ZrSi sb4 O sb{12}}$ as well as zircon, baddeleyite, xonotlite and wollastonite under various conditions, but synthesis of naturally-occurring Ca-zirconosilicates remained elusive.
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Dantz, Dirk [Verfasser]. "Eigenspannungen in mikrowellengesinterten Ni/8Y-ZrO2 und NiCr8020/8Y-ZrO2 Gradientenwerkstoffen / vorgelegt von Dirk Dantz." Berlin : Hahn-Meitner-Inst, 2000. http://d-nb.info/96029242X/34.

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Nova, Cássia Vanessa [UNESP]. "Síntese, caracterização e avaliação antimicrobiana de nanopartículas de ZrO2 e ZrO2:Ag por Método Hidrotermal." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/144429.

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O aumento de doenças infecciosas vem perturbando as economias mundiais e a saúde pública. As bactérias que contribuem para essa preocupação são as Escherichia coli, Gram-negativa e a Staphyloccocus aureus, Gram-positiva. Essas bactérias podem provocar infecções graves, principalmente quando presentes em água, alimentos e ambientes hospitalares. Nanopartículas estão sendo desenvolvidas para o tratamento e prevenção dessas estirpes biológicas. Nanoestruturas de ZrO2 apresentam propriedades, ópticas, fungicidas e bactericidas. Quando os metais são suportados nas estruturas, como, Ag, suas propriedades bactericidas são potencializadas. Os materiais foram produzidos por síntese hidrotermal e caracterizados por DRX, UV-Vis, FTIR, MEV, TEM e TG. Para avaliar as nanopartículas sintetizadas, foram realizados testes de atividade antimicrobiana com as bactérias Escherichia coli e Staphylococcus aureus (cepas sensíveis e resistentes à meticilina). A eficiência da avaliação antimicrobiana foi mensurada por cinética de crescimento e estatística, por ensaio colorimétrico de viabilidade e MEV. Os resultados das caracterizações mostraram a metodologia de produção de nanopartículas por rota hidrotermal que foram eficientes na produção de nanomateriais cristalinos com morfologia esférica para a zircônia tetragonal, com tamanhos entre 7 e 10 nm e prata cúbica, com tamanho médio entre 40 e 50 nm. As técnicas de TG e FTIR indicaram e permitiram quantificar e identificar a presença de matéria orgânica residual do processo de síntese. Os biotestes revelaram que as nanopartículas de dióxido de zircônio com e sem prata foram eficientes na inibição das bactérias.
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Nova, Cássia Vanessa. "Síntese, caracterização e avaliação antimicrobiana de nanopartículas de ZrO2 e ZrO2:Ag por Método Hidrotermal /." Bauru, 2016. http://hdl.handle.net/11449/144429.

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Orientador: Fenelon Martinho Lima Pontes
Co-orientador: James Venturini
Banca: Alejandra Hortencia Miranda González
Banca: Aroldo Geraldo Magdalena
Banca: Vinicius Carvalho Porto
Banca: Willian Zambuzzi
Resumo: O aumento de doenças infecciosas vem perturbando as economias mundiais e a saúde pública. As bactérias que contribuem para essa preocupação são as Escherichia coli, Gram-negativa e a Staphyloccocus aureus, Gram-positiva. Essas bactérias podem provocar infecções graves, principalmente quando presentes em água, alimentos e ambientes hospitalares. Nanopartículas estão sendo desenvolvidas para o tratamento e prevenção dessas estirpes biológicas. Nanoestruturas de ZrO2 apresentam propriedades, ópticas, fungicidas e bactericidas. Quando os metais são suportados nas estruturas, como, Ag, suas propriedades bactericidas são potencializadas. Os materiais foram produzidos por síntese hidrotermal e caracterizados por DRX, UV-Vis, FTIR, MEV, TEM e TG. Para avaliar as nanopartículas sintetizadas, foram realizados testes de atividade antimicrobiana com as bactérias Escherichia coli e Staphylococcus aureus (cepas sensíveis e resistentes à meticilina). A eficiência da avaliação antimicrobiana foi mensurada por cinética de crescimento e estatística, por ensaio colorimétrico de viabilidade e MEV. Os resultados das caracterizações mostraram a metodologia de produção de nanopartículas por rota hidrotermal que foram eficientes na produção de nanomateriais cristalinos com morfologia esférica para a zircônia tetragonal, com tamanhos entre 7 e 10 nm e prata cúbica, com tamanho médio entre 40 e 50 nm. As técnicas de TG e FTIR indicaram e permitiram quantificar e identificar a presença de matéria orgâ... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The increase in infectious diseases is disrupting the world's economies and public health. The bacteria that contribute to this concern are Escherichia coli, one Gram-negative bacilli and Staphylococcus aureus, Gram-positive. These bacteria can cause serious infections, especially when present in water, food and hospital environments. Nanoparticles are being developed for the treatment and prevention of these biological strains. ZrO2 nanostructures have properties such as optical, fungicides and bactericides. When metals are supported in the compound, such as, Ag, its bactericidal properties are enhanced. The materials were produced by hydrothermal synthesis and characterized by XRD, UV-Vis, FTIR, SEM, TEM and TG. To evaluate the synthesized nanoparticles Antimicrobial activity tests were performed using Escherichia coli and strains of methicillin-resistant and methicillin-sensitive Staphylococcus aureus. Evaluation of antimicrobial activity was determined by kinetic of growth, vaibility assay and SEM. The results of the characterization showed the nanoparticles production methodology by hydrothermal route that were efficient in the production of crystalline nanomaterials with sherical morphology for tetragonal zirconia with sizes between 7 and 10 nm and cubic silver, with an average size between 40 and 50 nm. TG techniques and FTIR indicated and allowed to quantify and identify the presence of residual organic matter in the synthesis process
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Vieluf, M. "Hochauflösende Rutherford-Streuspektrometrie zur Untersuchung von ZrO2-Schichtwachstum im Anfangsstadium." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-61469.

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Die vorliegende Arbeit entstand im Rahmen einer Kooperation des Forschungszentrums Dresden-Rossendorf mit Qimonda Dresden GmbH & Co. OHG. Mithilfe der hochauflösenden Rutherford-Streuspektrometrie (HR-RBS) wurden das Diffusionsverhalten und Schichtwachstum von ZrO2 auf SiO2 und TiN im Anfangsstadium untersucht. Auf Grund der exzellenten Tiefenauflösung von 0,3 nm an der Oberfläche stand die Analyse von Konzentrationsprofilen in ultradünnen Schichten, respektive an deren Grenzflächen im Vordergrund. Zur qualitativen Verbesserung der Messergebnisse wurde erstmals ein zweidimensionaler positionsempfindlicher Halbleiterdetektor in den Aufbau der HR-RBS implementiert und charakterisiert. Außerdem wurde ein Messverfahren in Betrieb genommen, das mögliche Schädigungen durch den Ioneneintrag in die Messprobe minimiert. Durch die Optimierung der experimentellen Bedingungen und die Entwicklung eines Programmpaketes zur Unterstützung des Analysten konnte ein effizienter Routine-Messablauf erstellt werden. Im Moment einer binären Kollision zwischen einfallendem Ion und Targetelement kommt es bei kleinem Stoßparameter zu Veränderungen des Ladungszustands der gestreuten Ionen, insbesondere durch die abrupte Geschwindigkeitsänderung des Projektils und der Überlappung der Elektronenwolken. Bei der HR-RBS mit Energie separierendem Dipolmagneten muss zur Interpretation von Streuspektren die Ladungszustandsverteilung der gestreuten Projektile bekannt sein. Erstmalig konnte eine signifikante Abhängigkeit der Ladungszustandsverteilung gestreuter C-Ionen sowohl von der Schichtdicke als auch der Ordnungszahl des detektierten Targetelements, hier der vierten Nebengruppe, nachgewiesen werden. Diese gewonnen Erkenntnisse ermöglichten systematische Untersuchungen zum ZrO2-Schichtwachstum im Anfangsstadium. Zur Herstellung der ZrO2-Schichten wurde die Atomlagenabscheidung (ALD) verwendet. Anhand der nachgewiesenen Agglomeration von ZrO2 auf nativen SiO2 wurde mithilfe der Rasterkraftmikroskopie (AFM) zur Bestimmung von Oberflächenrauigkeiten eine Methode konzipiert, welche die Auswirkung lokaler Schichtdickeninhomogenitäten auf die niederenergetische Flanke eines Streuspektrums berücksichtigt. Auf dieser Grundlage durchgeführte Simulationsrechnungen ergeben, dass keine Diffusion von Zr in die darunter liegende Schicht stattfand, jedoch eine ZrSiO4-Grenzflächenschicht existiert. Für das Wachstum von ZrO2 auf TiN wird aus den hoch aufgelösten Streuspektren ein völlig anderes Verhalten abgeleitet. Messungen zu Oberflächentopografien der TiN-Schicht liefern nicht zu vernachlässigende Werte für die Rauigkeit. Um den Einfluss der Oberflächenrauigkeit auf die Form des hoch aufgelösten Spektrums erfassen zu können, wurde eine Software entwickelt. Auf Basis von AFM-Messungen ermöglicht dieses Programm das Extrahieren einer Energieverteilung aus den Weglängen von ausschließlich an der Oberfläche gestreuten Ionen. Unter Berücksichtigung des Effekts der Oberflächenrauigkeit auf die HR-RBS Spektrenform konnte die Diffusion von Zr in das polykristalline TiN erstmals verifiziert werden. Die Beobachtungen weisen daraufhin, dass bereits nach dem ersten ALD-Zyklus ein geringer Anteil der deponierten Zr-Atome bis in eine Tiefe von etwa 3 nm in das TiN diffundiert. Die vorläufigen Ergebnisse legen Korngrenzendiffusion nahe.
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Books on the topic "ZrOCl2"

1

Terelak, Jan F. Zrodla stresu. Warszawa: Wyd-wo Akad. teologii katol., 1999.

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Burszta, Jozef. Cheopskie zrodla kultury. Warszawa: Ludowa Spoldzielnia Wydawnicza, 1985.

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Belcarzowa, Elzbieta. Polskie i czeskie zrodla przekladu Biblii Leopolity. Krakow: Wydawnictwo "Lexis", 2006.

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Pietrzyk-Reeves, Dorota. Idea spoleczenstwa obywatelskiego: Wspolczesna debata i jej zrodla. Wroclaw: Wydawnictwo Uniwersytetu Wroclawskiego, 2004.

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Benyskiewicz, Krzysztof. Mieszko Boleslawowic 1069-1089: Zrodla i tradycja historiograficzna. Krakow: Towarzystwo Naukowe Societas Vistulana, 2005.

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Kowalczyk, Agnieszka. Rodzina jako zrodlo cierpien w tworczosci Witolda Gombrowicza. Krakow: Towarzystwo Autorow i Wydawcow Prac Naukowych "Universitas", 2006.

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Ruszkowski, Jacek. Odnawialne zrodla energii jako alternatywne substytuty konwencjonalnych surowcow energetycznych. Katowice: Wydawnictwo uczelniane Akademii ekonomicznej, 1999.

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Siekierka, Iwo. Notacja sangallenska i metzenska jako wczesne zrodlo interpretacji choralu gregorianskiego. Opole: Redakcja Wydawnictw Wydzialu Teologicznego Uniwersytetu Opolskiego, 2005.

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Zrodla do dziejow parlamentaryzmu polskiego w XVI-XVIII wieku w zbiorach Biblioteki Jagiellonskiej. Krakow: Biblioteka Jagiellonska, 2004.

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Han, Jianfeng. Stress-induced phase transformation in ZrO2 materials. Ottawa: National Library of Canada = Bibliothèque nationale du Canada, 1993.

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Book chapters on the topic "ZrOCl2"

1

Hammouda, Lassaad Ben, Imene Mejri, Mohamed Kadri Younes, and Abdelhamid Ghorbel. "ZrO2 Aerogels." In Aerogels Handbook, 127–43. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-7589-8_6.

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Villars, P., K. Cenzual, J. Daams, R. Gladyshevskii, O. Shcherban, V. Dubenskyy, V. Kuprysyuk, I. Savysyuk, and R. Zaremba. "ZrO2 tetragonal." In Structure Types. Part 10: Space Groups (140) I4/mcm – (136) P42/mnm, 720. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19662-1_600.

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Korsunska, Nadiia, Anton Zhuk, Vasyl Papusha, Oleksandr Kolomys, Yuliya Polishchuk, Yurii Bacherikov, Viktor Strelchuk, et al. "Structural and Optical Characterization of ZrO2 and Y2O3-ZrO2 Nanopowders." In Materials Characterization, 59–67. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15204-2_7.

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Pelleg, Joshua. "Creep in ZrO2 Zirconia." In Creep in Ceramics, 311–55. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50826-9_14.

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Pelleg, Joshua. "Diffusion in ZrO2 (Zirconia)." In Diffusion in Ceramics, 301–412. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18437-1_14.

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Refugio-Garcia, Elizabeth, Jessica Osorio-Ramos, José G. Miranda-Hernández, Jose A. Rodríguez-Garcia, and Enrique Rocha-Rangel. "Forming Mullite-Ceramics Reinforced with ZrO2 -t Starting from Mullite-ZrO2 -t and Kyanite-Al2 O3 -ZrO2 -t Mixtures." In Ceramic Transactions Series, 111–17. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118744109.ch13.

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Krishnamoorthy, P. R., Parvati Ramaswamy, and B. H. Narayana. "Evaluation of Al2O3, Al2O3-ZrO2 and Partially Stabilized ZrO2 for MHD Applications." In Controlled Interphases in Composite Materials, 157–65. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-7816-7_15.

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Theunissen, G. S. A. M., A. J. A. Winnubst, and A. J. Burggraaf. "Segregation in ZrO2-Y2O3 Ceramics." In Surfaces and Interfaces of Ceramic Materials, 365–72. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1035-5_21.

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Ulyanova, Tatiana, Ludmila Titova, and Nikolai Krut'ko. "Ceramic Composites Al2O3-ZrO2-MgO." In High Temperature Ceramic Matrix Composites, 704–8. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527605622.ch108.

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Nishizawa, Kaori, Takeshi Miki, Kazuyuki Suzuki, and Kazumi Kato. "Alkoxy-Derived Photochromic ZrO2 Precursor." In Ceramic Transactions Series, 457–64. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118144121.ch45.

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Conference papers on the topic "ZrOCl2"

1

Yang, H., and L. Chen. "Effects of Power and Concentration and Dispersion Phase on Nano-Zirconia Coatings Prepared by Sol Plasma Spraying." In ITSC2011, edited by B. R. Marple, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and A. McDonald. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p1295.

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Abstract ZrOCl2•8H2O and NH4OH were regarded as original materials to prepare zirconia sol by co-precipitation, and nano-zirconia coatings were prepared by sol plasma spraying. The structure of the coatings was analyzed by SEM, XRD, and influence of power and stabilizer, concentration and dispersed phase on the coatings was investigated primarily. The result showed that the sol was non-crystal structure after spontaneously dried, the coatings were mixed of nanostructure of monoclinic and cubic phase after plasma jet heated. Increasing power decreased the content of non-crystal phase, adulterating yttria had good crystal phase stabilization, and the content of monoclinic phase decreased greatly. Coatings were denser when higher concentration and ethanol qua dispersed phase were used. Porosity of coatings decreased prior and increased later along with concentration increasing.
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Song, Jinho, Ikkyu Park, Yongseung Sin, Jonghwan Kim, Seongwan Hong, Beongtae Min, and Heedong Kim. "Steam Explosion Experiments Using ZrO2 and ZrO2/UO2 Mixture." In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22055.

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Korea Atomic Energy Research Institute (KAERI) has been carrying an experimental research program on the steam explosion named “Test for Real cOrium Interaction with water (TROI)” since 1997. The objective of the program is to investigate whether the corium would lead to an energetic steam explosion and to measure the conversion ratio of the energetic steam explosion. In the first series of tests using several kg of ZrO2 where the melt/water interaction were made in the water pool at 30 ∼ 95 °C, either a quenching or a spontaneous steam explosions was observed. In the second series of tests using the mixture of UO2/ZrO2 performed in a similar manner as that of ZrO2, it also resulted in either a quenching or energetic steam explosion. The morphology of debris and pressure profile clearly indicate the differences in those two phenomena. The process parameters including the dynamic pressure, dynamic impulse, water and melt temperature, static pressure inside the containment chamber were measured.
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Sun, Li, Sam Baldauf, and Patrick Kwon. "Processing of ZrW2O8-ZrO2 Continuous Functionally Graded Materials by Co-Sintering ZrO2 and ZrO2+WO3 Multi-Layer Compacts." In ASME 2008 International Manufacturing Science and Engineering Conference collocated with the 3rd JSME/ASME International Conference on Materials and Processing. ASMEDC, 2008. http://dx.doi.org/10.1115/msec_icmp2008-72368.

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A powder mixture of ZrO2+WO3 and ZrO2 powder were stacked, co-compacted and co-sintered in the processing steps commonly used to fabricate multi-layer materials. However, the observation of the cross-sectional microstructures as well as the measurement of the radial thermal expansion provided the evidence that the sintered samples are continuous Functionally Graded Materials (FGMs) made of ZrW2O8 and ZrO2, Because of the discrepancy in the sintering potentials between two materials, the sintered samples do not retain the original cylindrical shapes of the green compacts. This problem has been resolved by choosing the appropriate powder mixture for each layer of the compacts. The formation of the continuous FGM structure is due to three factors: 1) the diffusion of WO3, 2) the sublimation of WO3 and 3) the reaction between ZrO2 and WO3. The continuous variation in the radial coefficient of thermal expansion can be utilized to reduce the thermal stress induced from a thermal gradient loading within a material system. This study shows that the processing steps typically used in processing stepwise FGMs can also be used to create continuous FGMs for some special powder mixtures.
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"Uplotnenie ZrO2 pri pressovanii." In Perspektivnye materialy s ierarkhicheskoy strukturoy dlya novykh tekhnologiy i nadezhnykh konstruktsiy, Khimiya nefti i gaza. Tomsk State University, 2018. http://dx.doi.org/10.17223/9785946217408/281.

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Xue, Yu-Jun, Chun-Yang Liu, Ji-Shun Li, Wei Ma, Xin Sui, Fang Yang, and Xi-Qiang Ma. "Fabrication and Tribological Behavior of Ni-ZrO2 Nanocomposite Coatings Prepared by Electrodeposition in Ultrasonic Field." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46246.

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Ni-ZrO2 nanocomposite coatings were fabricated by electrodeposition from a modified Watt’s type electrolyte containing ZrO2 nanoparticles, where an ultrasonic field was imposed during electrodeposition process. The weight percent of ZrO2 in coatings and the surface morphology of coatings were examined. The microhardness and tribological properties of Ni-ZrO2 nanocomposite coatings and pure Ni coating were investigated. The results show that ultrasonic agitation can greatly affect the microstructure and the tribological behavior of Ni-ZrO2 nanocomposite coatings. The Ni-ZrO2 nanocomposite coatings record variable ZrO2 contents and surface morphologies by modifying ZrO2 concentration in electrolyte and ultrasonic parameters. The Ni-ZrO2 nanocomposite coating fabricated with ultrasonic agitation exhibits finer grains and more compact structure compared to pure Ni coating and the Ni-ZrO2 nanocomposite coating fabricated without ultrasonic agitation. The dispersed ZrO2 nanoparticles in coatings and ultrasonic agitation during electrodeposition synthetically contribute to the grain refinement of the coatings. Therefore, the Ni-ZrO2 nanocomposite coating by ultrasonic electrodeposition exhibits high microhardness and excellent tribological behavior. In general, the improvement in friction and wear properties of Ni-ZrO2 nanocomposite coatings can be attributed to the homogeneously dispersed ZrO2 nanoparticles and the finer-grained structure.
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Padmanabhan, Revathy, Navakanta Bhat, Yuichiro Morozumi, S. Mohan, and Sanjeev Kaushal. "High-performance stacked TiO2-ZrO2 and Si-doped ZrO2 metal-insulator-metal capacitors." In 2014 IEEE International Conference on IC Design & Technology (ICICDT). IEEE, 2014. http://dx.doi.org/10.1109/icicdt.2014.6838596.

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Seo, Jae Yong, Jung Eun Seok, Hyun Joo kim, Hyun Jung Kim, Hong Sik Park, Jae Eun Jeon, and Won Shik Lee. "Reliability acceleration model of stacked ZrO2-Al2O3-ZrO2 MIM capacitor with cylinder type." In 2008 26th International Conference on Microelectronics (MIEL 2008). IEEE, 2008. http://dx.doi.org/10.1109/icmel.2008.4559337.

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Cho, Ho, Young Kim, Dong Park, Euna Lee, Cheol Park, Jun Jang, Keum Lee, et al. "New TIT Capacitor with ZrO2/Al2O3/ZrO2 dielectrics for 60nm and below DRAMs." In 2006 European Solid-State Device Research Conference. IEEE, 2006. http://dx.doi.org/10.1109/essder.2006.307659.

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Kato, Nobuhide, Kunihiko Nakagaki, and Noriyuki Ina. "Thick Film ZrO2 NOx Sensor." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1996. http://dx.doi.org/10.4271/960334.

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Borisov, Y., S. Vojnarovich, A. Kislitsa, A. Borisova, M. Karpets, and A. Tunik. "Microplasma Spraying of ZrO2 Coatings." In ITSC2008, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2008. http://dx.doi.org/10.31399/asm.cp.itsc2008p0529.

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Abstract Experiments for estimation of influence of microplasma parameters in ZrO2 – coating properties were performed with using of fractional-factorial design of the experiments. Regression equations for determination of the parameters significance and a selection of conditions for a deposition of coatings with specified properties were obtained. Possibility of deposition of ZrO2 - Y2O3 coating with tetragonal phase content 90 wt.% and more without cubic phase content by microplasma spraying was shown. Conditions of microplasma ZrO2-coating spraying with high content of tetragonal phase (93-95%) and porosity (1,3-1,8%) were established. Measurement of microplasma sprayed ZrO2-coating spots has established that the spots have an elliptical shape. Size of major and lateral axis (and also sprayed hill altitude) depends on spray parameters, mainly on amperage and spray distance. Microplasma sprayed ZrO2-coating can be applied for repair of small local defects on thermo barrier coatings and a deposition of zirconia electrolyte layer in solid oxide fuel cell.
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Reports on the topic "ZrOCl2"

1

Lanteri, V., A. H. Heuer, and T. E. Mitchell. Tetragonal Phase in the System ZrO2-Y2O3. Fort Belvoir, VA: Defense Technical Information Center, January 1985. http://dx.doi.org/10.21236/ada224505.

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2

Akinc, Mufit. Novel Processing of Infrared Transmitting ZrO2-ZrW2O8 Nanocomposites. Fort Belvoir, VA: Defense Technical Information Center, September 2013. http://dx.doi.org/10.21236/ada592107.

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3

Kercher, Andrew K., and John D. Hunn. Results from ORNL characterization of ZrO2-500-AK2 - surrogate TRISO material. Office of Scientific and Technical Information (OSTI), June 2005. http://dx.doi.org/10.2172/974580.

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4

Jose Ignacio Marquez Damian, Alexis Weir, Valeria L. Putnam, and John D. Bess. Power Burst Facility: U(18)O2-CaO-ZrO2 Fuel Rods in Water. Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/1031747.

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5

Kumar, Ramasamy Sanjeev, Allaka Gopichand, and Rajumani Srinivasan. Fabrication, Microstructural and Mechanical Behaviour of Al-ZrO2 -TiC Hybrid Metal Matrix Composite. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, November 2021. http://dx.doi.org/10.7546/crabs.2021.11.10.

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6

Benavides, Pahola, and Kathryn Kingsbury. Life Cycle Inventories for Palladium on Niobium Phosphate (Pd/NbOPO4) and Zirconium Oxide (ZrO2) Catalysts. Office of Scientific and Technical Information (OSTI), April 2021. http://dx.doi.org/10.2172/1784707.

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7

Yordanov, Stancho I., Irina D. Stambolova, Luben I. Lakov, Sasho V. Vassilev, and Bojidar T. Jivov. Sol-gel CeO2 and ZrO2 Coatings on CeO2: Study of the Phase Composition, Morphology and Corrosion Resistance. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, February 2019. http://dx.doi.org/10.7546/crabs.2019.01.07.

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8

Bhattacharya, Sumit, Rachel Seibert, Andrew Nelson, Heather Connaway, and Abdellatif Yacout. Preliminary results from Low Pressure Steam Oxidation Testing of ALD ZrN and ZrO2 Coating Deposited over UCN Fuel Kernels. Office of Scientific and Technical Information (OSTI), June 2021. http://dx.doi.org/10.2172/1807683.

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9

Shott, Gregory. Special Analysis for the Disposal of the Idaho National Laboratory Unirradiated Light Water Breeder Reactor UO2/ThO2 and UO2/ZrO2 Rods and Pellets Waste Stream at the Area 5 Radioactive Waste Management Site, Nevada National Security Site, Nye County, Nevada. Office of Scientific and Technical Information (OSTI), July 2016. http://dx.doi.org/10.2172/1571526.

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