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Thematische Bibliographien / Mg-Al-O / Zeitschriftenartikel

Zeitschriftenartikel zum Thema „Mg-Al-O“

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Veröffentlicht am 22. Juni 2024

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1

Galvita, Vladimir, Georges Siddiqi, Pingping Sun und Alexis T. Bell. „Ethane dehydrogenation on Pt/Mg(Al)O and PtSn/Mg(Al)O catalysts“. Journal of Catalysis 271, Nr. 2 (04.05.2010): 209–19. http://dx.doi.org/10.1016/j.jcat.2010.01.016.

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2

Choudary, B. M., M. Lakshmi Kantam und B. Kavita. „Mg-Al-O-But–Hydrotalcite:“. Green Chemistry 1, Nr. 6 (1999): 289–92. http://dx.doi.org/10.1039/a908343j.

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3

Li, X. J., und S. H. Liu. „Thermodynamic description of the Mg-O and Al-O systems“. Journal of Mining and Metallurgy, Section B: Metallurgy, Nr. 00 (2023): 34. http://dx.doi.org/10.2298/jmmb230621034l.

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Thermodynamic properties of oxides have a significant impact on the corrosion behavior of alloys. MgO and Al2O3 are important products in the corrosion process of Mg-Al alloys, so it is necessary to investigate their thermodynamic properties. The Mg-O and Al-O systems have been critically evaluated and re-assessed by the CALPHAD (CALculation of PHAse Diagram) approach. The liquid phases of these systems were described using the ionic liquid model. According to the literature data, the oxide phases, MgO and Al2O3 were treated as stoichiometric compounds. Thermodynamic parameters of the two stoichiometric compounds were optimized by considering both phase diagram and thermodynamic data and a set of self-consistent thermodynamic parameters was finally obtained for each system. The calculated results using the presently obtained thermodynamic parameters can reproduce the reliable experimental data in the literature reasonably.

4

Cheng, Hao, Guangwen Chen, Shudong Wang, Diyong Wu, Yin Zhang und Henqiang Li. „NOx storage-reduction over Pt/Mg-Al-O catalysts with different Mg/Al atomic ratios“. Korean Journal of Chemical Engineering 21, Nr. 3 (Mai 2004): 595–600. http://dx.doi.org/10.1007/bf02705493.

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5

Schelleng, R. D., J. H. Weber und G. A. J. Hack. „Lightweight AlMgLiOC forging alloy“. Metal Powder Report 45, Nr. 10 (Oktober 1990): 709–11. http://dx.doi.org/10.1016/0026-0657(90)90941-9.

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6

Ren, Ying, Lifeng Zhang, Wen Yang und Haojian Duan. „Formation and Thermodynamics of Mg-Al-Ti-O Complex Inclusions in Mg-Al-Ti-Deoxidized Steel“. Metallurgical and Materials Transactions B 45, Nr. 6 (07.08.2014): 2057–71. http://dx.doi.org/10.1007/s11663-014-0121-0.

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7

Seo, Jeong-Do, und Seon-Hyo Kim. „Thermodynamic assessment of Mg deoxidation reaction of liquid iron and equilibria of [Mg]-[Al]-[O] and [Mg]-[S]-[O]“. Steel Research 71, Nr. 4 (April 2000): 101–6. http://dx.doi.org/10.1002/srin.200005697.

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8

Lattard, Dominique, und Wolf Bubenik. „Synthetic staurolites in the system Mg-Fe-Al-Si-O-H“. European Journal of Mineralogy 7, Nr. 4 (01.08.1995): 931–48. http://dx.doi.org/10.1127/ejm/7/4/0931.

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9

Ikeno, Susumu, Hiroaki Matsui, Kenji Matsuda und Yasuhiro Uetani. „Precipitation Sequence of Al₂O₃/Al-Cu-Mg and Al-Mg-Si Composite Materials“. Materials Science Forum 331-337 (Mai 2000): 1193–98. http://dx.doi.org/10.4028/www.scientific.net/msf.331-337.1193.

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10

Wen, Guangyu, He Zheng, Kai Wang, Fan Cao, Ligong Zhao, Lei Li, Jianbo Wang und Shuangfeng Jia. „Orientation domains in a monoclinic Mg–Al–O phase“. Journal of Applied Crystallography 51, Nr. 3 (25.05.2018): 802–8. http://dx.doi.org/10.1107/s1600576718005344.

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Two types of Mg–Al–O structures were successfully synthesized under high temperature (above 1173 K). Transmission electron microscopy and group theory analysis reveal the existence of cubic MgAl2O4 and an unreported monoclinic MgAl x O y phase with four domain variants. The structural relationship between these two phases is discussed in detail. The results shed light on the structural investigation of Mg–Al–O oxides, which are important mineral components of the Earth's lower mantle as well as substrates for the epitaxial growth of semiconductor films. Monoclinic MgAl x O y nanowires with domain boundaries may also provide a possible high-strength candidate for industrial applications.

11

Wu, Jason, Zhenmeng Peng, Pingping Sun und Alexis T. Bell. „n-Butane dehydrogenation over Pt/Mg(In)(Al)O“. Applied Catalysis A: General 470 (Januar 2014): 208–14. http://dx.doi.org/10.1016/j.apcata.2013.10.058.

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12

She, Yue-E., Bai-Yu Jiang und Jian-Zhong Liu. „SiMgAlO system ceramic-film humidity sensor“. Sensors and Actuators A: Physical 40, Nr. 2 (Februar 1994): 151–53. http://dx.doi.org/10.1016/0924-4247(94)85022-4.

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13

Homeny, Joseph, und Subhash H. Risbud. „Novel multianion MgSiAlOC oxycarbide glasses“. Materials Letters 3, Nr. 11 (August 1985): 432–34. http://dx.doi.org/10.1016/0167-577x(85)90134-x.

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14

Wu, Jason, Shaama Mallikarjun Sharada, Chris Ho, Andreas W. Hauser, Martin Head-Gordon und Alexis T. Bell. „Ethane and propane dehydrogenation over PtIr/Mg(Al)O“. Applied Catalysis A: General 506 (Oktober 2015): 25–32. http://dx.doi.org/10.1016/j.apcata.2015.08.029.

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15

Spite, M., F. Spite, P. Bonifacio, V. Hill, S. Andrievsky, R. Cayrel, P. François und S. Korotin. „Evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Galaxy, from a NLTE analysis“. Proceedings of the International Astronomical Union 5, S265 (August 2009): 380–81. http://dx.doi.org/10.1017/s174392131000102x.

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In the framework of he ESO Large Program “First Stars”, high resolution (R=45000) high S/N ratio spectra have been obtained for a sample of Extremely Metal Poor Stars (EMP stars), 35 giants and 18 turnoff stars. Among them 37 have a very low metallicity: [Fe/H]< −2.9.

16

Li, Yutang, Linzhu Wang, Junqi Li, Shufeng Yang, Chaoyi Chen, Changrong Li und Xiang Li. „Effect of Mg treatment on distribution of inclusions in Fe-O-Al-Mg melt“. Metallurgical Research & Technology 118, Nr. 3 (2021): 310. http://dx.doi.org/10.1051/metal/2021030.

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This study aims to investigate the effect of Mg treatment on the homogenized distribution of inclusions. Deoxidized experiments with Al (0.05%Al) and Al-Mg (0.05%Al + 0.03%Mg) were carried out at 1873 K respectively and the degree of homogeneity in inclusion dispersion, area density, average size and inter-surface distance of inclusions were studied. The attractive capillary force acts on inclusions was analyzed by in-situ observation by confocal laser scanning microscopy and Kralchevsky-Paunov model. The results show that the proportion of inclusions with inter-surface distance at the range of 10–100 µm is up to 60% after Al-Mg deoxidized 1800 s. Compared with Al2O3 inclusion, the area density of MgAl2O4 inclusions is generally more homogeneous. The in-situ observed results indicate that the inclusions in the steel deoxidized by Al are easy to aggregate and small size Al2O3 inclusions tend to gather around large size Al2O3 inclusions, while the inclusions in the steel deoxidized by Al-Mg tend to distribute more homogeneously. Moreover, the calculated results suggest that the attractive capillary force is larger between inclusions with larger size. The attractive capillary force is larger when the value of smaller size inclusions R1 is gradually close to the value of larger size inclusions R2. The relationship between attractive capillary force and the degree of homogeneity in inclusion dispersion is discussed based on Kralchevsky-Paunov model.

17

Morandi, Sara, Federica Prinetto, Giovanna Ghiotti, Massimiliano Livi und Angelo Vaccari. „FT-IR investigation of NOx storage properties of Pt–Mg(Al)O and Pt/Cu–Mg(Al)O catalysts obtained from hydrotalcite compounds“. Microporous and Mesoporous Materials 107, Nr. 1-2 (Januar 2008): 31–38. http://dx.doi.org/10.1016/j.micromeso.2007.03.014.

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18

Perera, D. S., D. P. Thompson und J. S. Thorp. „Nitrogen Glass Ceramics in the Mg-Si-Al-O-N and Y-Si-Al-O-N Systems“. Materials Science Forum 34-36 (Januar 1991): 633–37. http://dx.doi.org/10.4028/www.scientific.net/msf.34-36.633.

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19

Kim, Deug Gyu, Junichi Kaneko und Makoto Sugamata. „Preferential Oxidation of Mg in Mechanically Alloyed Al–Mg–O Based Systems“. Materials Transactions, JIM 36, Nr. 2 (1995): 305–11. http://dx.doi.org/10.2320/matertrans1989.36.305.

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20

Maxim, Nicolae, Pieter C. M. M. Magusin, Patricia J. Kooyman, Jos H. M. C. van Wolput, Rutger A. van Santen und Hendrikus C. L. Abbenhuis. „Microporous Mg−Si−O and Al−Si−O Materials Derived from Metal Silsesquioxanes“. Chemistry of Materials 13, Nr. 9 (September 2001): 2958–64. http://dx.doi.org/10.1021/cm010272g.

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21

Ryoken, Haruki, Yutaka Adachi, Isao Sakaguchi, Naoki Ohashi, Hajime Haneda und Tadashi Takenaka. „Basic Examination for Nodulation-Doped (Zn,Mg,Al)O/ZnO“. Key Engineering Materials 248 (August 2003): 103–6. http://dx.doi.org/10.4028/www.scientific.net/kem.248.103.

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22

孙, 维莹. „Mg-Al-O-N系统的相关系“. Chinese Science Bulletin 35, Nr. 3 (01.02.1990): 200–202. http://dx.doi.org/10.1360/csb1990-35-3-200.

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23

HOMENY, JOSEPH, GREGORY G. NELSON und SUBHASH H. RISBUD. „Oxycarbide Glasses in the Mg-Al-Si-O-C System“. Journal of the American Ceramic Society 71, Nr. 5 (Mai 1988): 386–90. http://dx.doi.org/10.1111/j.1151-2916.1988.tb05058.x.

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24

Lederer, Kay, Martin Deckwerth und Christian Rüssel. „Zirconia-doped Mg-Ca-Al-Si-O-N glasses: crystallization“. Journal of Non-Crystalline Solids 224, Nr. 2 (März 1998): 109–21. http://dx.doi.org/10.1016/s0022-3093(97)00441-9.

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25

Escobar, José, María C. Barrera, V. Santes und José E. Terrazas. „Naphthalene hydrogenation over Mg-doped Pt/Al 2 O 3“. Catalysis Today 296 (November 2017): 197–204. http://dx.doi.org/10.1016/j.cattod.2017.04.064.

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26

Leng-Ward, G., M. H. Lewis und S. Wild. „Crystallization of 3M/4X Mg-Si-Al-O-N melts“. Journal of Materials Science 21, Nr. 5 (Mai 1986): 1647–53. http://dx.doi.org/10.1007/bf01114721.

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27

Papazian, John M., und Paul Gilman. „Age hardening in mechanically alloyed AlMgLiCO“. Materials Science and Engineering: A 125, Nr. 1 (Mai 1990): 121–27. http://dx.doi.org/10.1016/0921-5093(90)90261-z.

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28

Armendáriz, H., A. Guzmán, J. A. Toledo, M. E. Llanos, A. Vázquez und G. Aguilar-Rı́os. „Isopentane dehydrogenation on Pt-Sn catalysts supported on Al-Mg-O mixed oxides: effect of Al/Mg atomic ratio“. Applied Catalysis A: General 211, Nr. 1 (März 2001): 69–80. http://dx.doi.org/10.1016/s0926-860x(00)00836-x.

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29

Shiraga, Masato, Dalin Li, Ikuo Atake, Tetsuya Shishido, Yasunori Oumi, Tsuneji Sano und Katsuomi Takehira. „Partial oxidation of propane to synthesis gas over noble metals-promoted Ni/Mg(Al)O catalysts—High activity of Ru–Ni/Mg(Al)O catalyst“. Applied Catalysis A: General 318 (Februar 2007): 143–54. http://dx.doi.org/10.1016/j.apcata.2006.10.049.

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30

Ma, Wenqing, Wei Zhang, Yuantao Chen, Yunsheng Wang, Fang Yu und Chen Liu. „Enhanced removal of fluoride and arsenate ions from aqueous solution by magnetic Mg–Al composite oxides (Fe3O4@Mg–Al–O)“. Inorganic and Nano-Metal Chemistry 49, Nr. 11 (16.09.2019): 385–94. http://dx.doi.org/10.1080/24701556.2019.1661461.

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31

Rodrigues, Michelly T., Priscila C. Zonetti, Odivaldo C. Alves, Eduardo F. Sousa-Aguiar, Luiz E. P. Borges und Lucia G. Appel. „RWGS reaction employing Ni/Mg(Al,Ni)O − The role of the O vacancies“. Applied Catalysis A: General 543 (August 2017): 98–103. http://dx.doi.org/10.1016/j.apcata.2017.06.026.

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32

Mikhailov, G. G., L. A. Makrovets und L. A. Smirnov. „Thermodynamics of the Interactions in Fe–Mg–Al–La–O Melts“. Steel in Translation 48, Nr. 6 (Juni 2018): 357–61. http://dx.doi.org/10.3103/s0967091218060050.

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33

Chen, Yaoyun, Ying Bai, Jiajian Peng, Jiayun Li und Guoqiao Lai. „Hydrosilylation of Ketones Catalyzed with Mg-Al-O-t-Bu Hydrotalcite“. Synthetic Communications 41, Nr. 24 (22.08.2011): 3689–94. http://dx.doi.org/10.1080/00397911.2010.519849.

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34

Choudary, B. M. „Superactive Mg-Al-O-t-Bu Hydrotalcite for Epoxidation of Olefins“. Synlett 1998, Nr. 11 (November 1998): 1203–4. http://dx.doi.org/10.1055/s-1998-1919.

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35

Rocherullé, J., M. Matecki, B. Baron, P. Verdier und Y. Laurent. „A devitrification study of MgYSiAlON glasses“. Journal of Non-Crystalline Solids 211, Nr. 3 (April 1997): 222–28. http://dx.doi.org/10.1016/s0022-3093(96)00641-2.

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36

Rocherullé, J., M. Matecki und Y. Delugeard. „Heat capacity measurements of Mg–Y–Si–Al–O–N glasses“. Journal of Non-Crystalline Solids 238, Nr. 1-2 (September 1998): 51–56. http://dx.doi.org/10.1016/s0022-3093(98)00578-x.

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37

Choudary, Boyapati Manoranjan, Mannepalli Lakshmi Kantam und Baradi Kavita. „Synthesis of 2-nitroalkanols by MgAlO-t-Bu hydrotalcite“. Journal of Molecular Catalysis A: Chemical 169, Nr. 1-2 (März 2001): 193–97. http://dx.doi.org/10.1016/s1381-1169(00)00558-6.

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38

Choudary, B. M., M. Lakshmi Kantam, B. Kavita, Ch Venkat Reddy, K. Koteswara Rao und F. Figueras. „Aldol condensations catalysed by novel Mg-Al-O-t-Bu hydrotalcite“. Tetrahedron Letters 39, Nr. 21 (Mai 1998): 3555–58. http://dx.doi.org/10.1016/s0040-4039(98)00547-4.

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39

Zeng, Yongping, Tianchi Zhang, Yueyang Xu, Ting Ye, Rongrong Wang, Zhenwei Yang, Zhehua Jia und Shengui Ju. „Cu/Mg/Al hydrotalcite-like hydroxide catalysts for o-phenylphenol synthesis“. Applied Clay Science 126 (Juni 2016): 207–14. http://dx.doi.org/10.1016/j.clay.2016.03.017.

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40

Meshesha, B. T., R. J. Chimentão, F. Medina, J. E. Sueiras, Y. Cesteros, P. Salagre und F. Figueras. „Catalytic hydrodechlorination of 1,2,4-trichlorobenzene over Pd/Mg(Al)O catalysts“. Applied Catalysis B: Environmental 87, Nr. 1-2 (März 2009): 70–77. http://dx.doi.org/10.1016/j.apcatb.2008.08.012.

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41

Homeny, J., und S. W. Paulik. „High-pressure synthesis of MgAlSiON oxynitride glasses“. Materials Letters 9, Nr. 12 (August 1990): 504–7. http://dx.doi.org/10.1016/0167-577x(90)90096-5.

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42

Zhang, Lifeng, Ying Ren, Haojian Duan, Wen Yang und Liyuan Sun. „Stability Diagram of Mg-Al-O System Inclusions in Molten Steel“. Metallurgical and Materials Transactions B 46, Nr. 4 (29.05.2015): 1809–25. http://dx.doi.org/10.1007/s11663-015-0361-7.

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43

Geng, Hao Ran, Shou Ren Wang, Xin Ying Teng, Lin Hai Hui und Fu Song Xu. „Fracture Characteristic of Mg-Al-Zn-Al₂O₃ Composites“. Key Engineering Materials 353-358 (September 2007): 1378–81. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.1378.

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One kind of 3DNMMC with different volume fraction reinforcement phase was fabricated by pressureless technique. The bending strength and fracture toughness were tested by 3-P bending strength experiments. When the volume fraction of reinforcement phase phase was not in excess of 10%, composites had an improvement of bending strength and fracture toughness owing to relatively homogeneous Al2O3 particle distribution encircled by metal matrix and the occurrence of interface reaction product as MgAlO2 spinel phase. Much and smaller craters and dimples are observed in metal matrix alloy and limited ductility of composites causes the early failure of composites. With the increases of volume fraction of reinforcement phase phase, crack characteristic consist of crack nucleation, growth, coalescence and crack propagation became the main fracture failure mechanisms.

44

Xia, Ke, Wan-Zhong Lang, Pei-Pei Li, Liu-Liu Long, Xi Yan und Ya-Jun Guo. „The influences of Mg/Al molar ratio on the properties of PtIn/Mg(Al)O- x catalysts for propane dehydrogenation reaction“. Chemical Engineering Journal 284 (Januar 2016): 1068–79. http://dx.doi.org/10.1016/j.cej.2015.09.046.

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45

Bette, Nadine, Jörg Thielemann, Marcus Schreiner und Florian Mertens. „Methanation of CO2 over a (Mg,Al)O x Supported Nickel Catalyst Derived from a (Ni,Mg,Al)-Hydrotalcite-like Precursor“. ChemCatChem 8, Nr. 18 (24.08.2016): 2903–6. http://dx.doi.org/10.1002/cctc.201600469.

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46

Deng, Juanli, Baofu Lu, Kaiyue Hu, Hao Li, Jiahao Wang, Shangwu Fan, Litong Zhang und Laifei Cheng. „Interaction between Y-Al-Si-O glass-ceramics for environmental barrier coating materials and Ca-Mg-Al-Si-O melts“. Ceramics International 46, Nr. 11 (August 2020): 18262–73. http://dx.doi.org/10.1016/j.ceramint.2020.05.037.

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47

Gallagher, James R., Paul Boldrin, Gary B. Combes, Don Ozkaya, Dan I. Enache, Peter R. Ellis, Gordon Kelly, John B. Claridge und Matthew J. Rosseinsky. „The effect of Mg location on Co-Mg-Ru/γ-Al 2 O 3 Fischer–Tropsch catalysts“. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374, Nr. 2061 (28.02.2016): 20150087. http://dx.doi.org/10.1098/rsta.2015.0087.

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The effectiveness of Mg as a promoter of Co-Ru/γ-Al 2 O 3 Fischer–Tropsch catalysts depends on how and when the Mg is added. When the Mg is impregnated into the support before the Co and Ru addition, some Mg is incorporated into the support in the form of Mg x Al 2 O 3+ x if the material is calcined at 550°C or 800°C after the impregnation, while the remainder is present as amorphous MgO/MgCO 3 phases. After subsequent Co-Ru impregnation Mg x Co 3− x O 4 is formed which decomposes on reduction, leading to Co(0) particles intimately mixed with Mg, as shown by high-resolution transmission electron microscopy. The process of impregnating Co into an Mg-modified support results in dissolution of the amorphous Mg, and it is this Mg which is then incorporated into Mg x Co 3− x O 4 . Acid washing or higher temperature calcination after Mg impregnation can remove most of this amorphous Mg, resulting in lower values of x in Mg x Co 3− x O 4 . Catalytic testing of these materials reveals that Mg incorporation into the Co oxide phase is severely detrimental to the site-time yield, while Mg incorporation into the support may provide some enhancement of activity at high temperature.

48

Li, Yutang, Linzhu Wang, Chaoyi Chen, Junqi Li und Xiang Li. „Effect of Mg Treatment on the Nucleation and Ostwald Growth of Inclusions in Fe-O-Al-Mg Melt“. Materials 13, Nr. 15 (28.07.2020): 3355. http://dx.doi.org/10.3390/ma13153355.

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This study aimed to investigate the effect of Mg treatment on the nucleation and ostwald growth of inclusions. Deoxidized experiments with Al (0.05%Al) and Al-Mg (0.05%Al + 0.03%Mg) were carried out at 1873 K, and the composition, number, and size of inclusions were studied as a function of holding time. Homogeneous nucleation theory and ostwald ripening were utilized to calculate the nucleation rate, the critical size of nuclei, and coarsening rate of inclusions. The results show that small inclusions were more easily found in the steels with Al-Mg complex deoxidation, and the number of inclusions with Al-Mg complex deoxidation is larger at an early stage of deoxidation. The critical size of nuclei increases in the order of MgAl2O4 (0.3–0.4 nm) < Al2O3 (0.4–0.6 nm), and the nucleation rate increases in the order of Al2O3 (1100 cm−3 s−1) < MgAl2O4 (1200 cm−3s−1), which is consistent with the experimental results. Moreover, the coarsening rate of MgAl2O4 inclusions was smaller than Al2O3 inclusions in both the value of kd(cal.) from ostwald growth and the value of kd(obs.) from inclusion size. The effect of Mg addition on coarsening of inclusion was analyzed and their mechanism was discussed based on ostwald ripening theory and Factsage calculation.

49

Zhang, Cheng, Yanshan Gao, Naveed Altaf und Qiang Wang. „A comparative study on the NOx storage and reduction performance of Pt/Ni1Mg2Al1Ox and Pt/Mn1Mg2Al1Ox catalysts“. Dalton Transactions 49, Nr. 13 (2020): 3970–80. http://dx.doi.org/10.1039/c9dt03787j.

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Ni₁Mg₂Al₁O_x, Mn₁Mg₂Al₁O_x, 0.5Pt/Ni₁Mg₂Al₁O_x and 0.5Pt/Mn₁Mg₂Al₁O_x catalysts were prepared and their NSR performance was systematically investigated.

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Świrk, Katarzyna, Paulina Summa, Dominik Wierzbicki, Monika Motak und Patrick Da Costa. „Vanadium promoted Ni(Mg,Al)O hydrotalcite-derived catalysts for CO2 methanation“. International Journal of Hydrogen Energy 46, Nr. 34 (Mai 2021): 17776–83. http://dx.doi.org/10.1016/j.ijhydene.2021.02.172.

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