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Consulte a lista de atuais artigos, livros, teses, anais de congressos e outras fontes científicas relevantes para o tema "Nickel alloys".
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Artigos de revistas sobre o assunto "Nickel alloys":
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Mysik, R. K., S. V. Brusnitsyn e A. V. Sulitsin. "Application Of Ni-Mg-Ce Master Alloy Scrap For Inoculation Of Copper-Nickel Alloys". KnE Materials Science 2, n.º 2 (3 de setembro de 2017): 102. http://dx.doi.org/10.18502/kms.v2i2.954.
<p class="TTPAbstract">The problems of production of copper-nicckel alloys ingots by semicontinuous casting method are analysed. The requirement of grain size refinement in cast alloys macrostructure is shown. It is necessary to reduce the probability of hot cracks formation and increase the fabricability of cast bars during plastic working. The reasonability of fine fraction of Ni-Mg-Ce master alloy application for inoculation of copper-nickel alloys is established. The results of laboratory experiments on the study of master alloy quantity influence the structure and hardness of Cu-5Ni-1Fe, Cu-10Ni-1Fe-1Mn and Cu-30Ni-1Fe-1Mn copper-nickel alloys are presented. On the basis of industrial experiments it is revealed that inoculation of Cu-5Ni-Fe alloy ingots of diameter 200 mm by Ni-Mg-Ce master alloy leads to considerable reducing of macrograin size. It allows to improve mechanical properties of ingots and ensure their uniform distribution in cross section of ingots. It is established that residual magnesium content in alloy must be in range from 0,02 to <br />0,06 wt. %. The use of Ni-Mg-Ce master alloy makes it possible to increase the processability of copper-nickel alloys during plastic working and utilize the fine fraction master alloy scrap inevitably formed during its production.</p>
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Rudenok, V. A., O. M. Kanunnikova, G. N. Aristova e O. S. Tikhonova. "The design and properties of galvanic anticorrosive coatings for important precision parts of farming equipment". IOP Conference Series: Earth and Environmental Science 949, n.º 1 (1 de janeiro de 2022): 012113. http://dx.doi.org/10.1088/1755-1315/949/1/012113.
Abstract The paper explores the possibility of using a number of nickel alloys in multilayer coatings to decrease nickel consumption and preserve the functional effect of the coating. The following is proved by the graphical calculation technique using experimental data on the galvanic properties of the multilayer coating parts. Nickel-iron, nickel-phosphorus and nickel-tin alloy can be applied as a lower coating layer rather than semi-shiny, shiny or composite nickel. It is advisable to use a nickel-iron alloy as the middle (second) layer, and the concentration of iron depends on the composition of the first and third layers. If a nickel-iron alloy is applied as the material of the first layer, then the second layer may be semi-shiny (Ns-sh) or shiny (Nsh) nickel. The substitution of nickel layers for nickel alloys allows to considerably (about 10%) decrease the cost of a multilayer coating, while the protective properties are remaining the same. The application of the same nickel-containing alloys as single-layer anticorrosive coatings shows a lower level of protective properties.
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Murphy, Michael. "Nickel and nickel alloys". Metal Finishing 94, n.º 2 (fevereiro de 1996): 24–26. http://dx.doi.org/10.1016/s0026-0576(96)93839-8.
MITSUHASHI, Akira. "Nickel Alloys and Cobalt Alloys". Journal of the Japan Society for Technology of Plasticity 54, n.º 632 (2013): 812–16. http://dx.doi.org/10.9773/sosei.54.812.
Radev, D. D. "Nickel-Containing Alloys for Medical Application Obtained by Methods of Mechanochemistry and Powder Metallurgy". ISRN Metallurgy 2012 (14 de novembro de 2012): 1–6. http://dx.doi.org/10.5402/2012/464089.
The methods of mechanochemistry, in combination with cold pressing and pressureless sintering, were used to obtain the most popular nickel-based and nickel-containing alloys used in dentistry and implantology. It was shown that the intense mechanical treatment of Ni, Ti, and Cr powders used as reagents, and the application of the above-mentioned simple powder metallurgical technique for densification allows obtaining NiCr and NiTi alloys with controlled structural properties. The nickel-based dental alloys obtained by mechanically activated sintering possess excellent mechanical, technological, and aesthetic properties. These alloys are suitable as dental restorative materials and for production of porcelain veneered constructions like crowns and bridges using the so-called metal-to-ceramic dental technique. It was shown that the method of mechanically assisted synthesis allows obtaining nanosized NiTi alloy at significantly lower temperature in comparison with the traditional high-temperature alloying. It was also shown that after 40 hours intense mechanical treatment of reagents, a direct synthesis of NiTi alloy proceeds. The product has excellent sinterability which enables to produce bodies with controlled porosity appropriate for application in implantology.
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Pereplyotchikov, E. F. "Plasma-powder surfacing of nickel and cobalt alloys on copper and its alloys". Paton Welding Journal 2015, n.º 6 (28 de junho de 2015): 10–13. http://dx.doi.org/10.15407/tpwj2015.06.02.
Glotka, O., e V. Olshanetskii. "Properties of nickel-based superalloys of equiaxial crystallization". Innovative Materials and Technologies in Metallurgy and Mechanical Engineering, n.º 1 (14 de setembro de 2021): 19–23. http://dx.doi.org/10.15588/1607-6885-2021-2-3.
Purpose. The aim of the work is to obtain predictive regression models, with the help of which, it is possible to adequately calculate the mechanical properties of nickel-based superalloys of equiaxial crystallization, without carrying out preliminary experiments.
Research methods. To find regularities and calculate the latest CALPHAD method was chosen, and modeling of thermodynamic processes of phase crystallization was performed.
Results. As a result of experimental data processing, the ratio of alloying elements Kg¢ was proposed for the first time, which can be used to assess the mechanical properties, taking into account the complex effect of the main alloy components. The regularities of the influence of the composition on the properties of heat-resistant nickel alloys of equiaxial crystallization are established. The analysis of the received dependences in comparison with practical results is carried out. The relations well correlated with heat resistance, mismatch and strength of alloys are obtained.
Scientific novelty. It is shown that for multicomponent nickel systems it is possible with a high probability to predict a mismatch, which significantly affects the strength characteristics of alloys of this class. The regularities of the influence of the chemical composition on the structure and properties of alloys are established. A promising and effective direction in solving the problem of predicting the main characteristics of heat-resistant materials based on nickel is shown
Practical value. On the basis of an integrated approach for multicomponent heat-resistant nickel-based alloys, new regression models have been obtained that make it possible to adequately predict the properties of the chemical composition of the alloy, which made it possible to solve the problem of computational prediction of properties from the chemical composition of the alloy. This allows not only to design new nickel-based alloys, but also to optimize the composition of existing brands.
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Kutyła, Dawid, Karolina Kołczyk-Siedlecka, Anna Kwiecińska, Katarzyna Skibińska, Remigiusz Kowalik e Piotr Żabiński. "Preparation and characterization of electrodeposited Ni-Ru alloys: morphological and catalytic study". Journal of Solid State Electrochemistry 23, n.º 11 (15 de outubro de 2019): 3089–97. http://dx.doi.org/10.1007/s10008-019-04374-7.
Abstract Nickel-ruthenium alloys with various compositions have been deposited by electrodeposition for the first time. Cyclic voltammetry and linear stripping voltammetry measurements show that codeposition of nickel with ruthenium is possible below the potential value of nickel reduction. High-quality alloys containing nickel and ruthenium can be plated at cathodic potentials ranging from − 0.5 to − 1.0 V vs SCE. Deposited coatings were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and atomic force microscopy (AFM). The diffractograms obtained show that an increase of nickel concentration in alloy will lead to a change in the phase composition and formation of NiRu (100) and (101) phases which is observed to be 78 mas.% Ni. SEM studies confirm the surface homogeneity and presence of small, regular grains. AFM observation allows the estimation of the real surface area of obtained alloys which increase with more negative electrodeposition potentials. Ni-Ru alloys were found to be highly electroactive in the water splitting process, which can be connected with the presence of the NiRu phase and a well-developed electroactive area.
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Al nefawy, Mohamad Yehea, Fouad El dahiye e Mahmoud Al Assaad. "The Effect of Heat Treatments and Nickel Additive on The Microstructure and Tensile Properties of 7075 Aluminum Alloy". Association of Arab Universities Journal of Engineering Sciences 27, n.º 2 (30 de junho de 2020): 154–61. http://dx.doi.org/10.33261/jaaru.2020.27.2.014.
The aluminum alloys of the 7xxx series consist of Al with Zn mainly, Mg and Cu. 7xxx aluminum alloys has high mechanical properties making it distinct from other aluminum alloys. The effect of adding Nickel and heat treatments on the microstructure, formed phases and tensile properties of the 7075 aluminum alloy were studied in this paper. Different percentages of nickel [0.1, 0.5, 1] wt% was added to 7075 Aluminum alloy, and various heat treatments (artificial aging T6 and Retrogression and re-aging RRA) was applied on the 7075 alloys that containing nickel. The results obtained by applying of RRA treatment were better than the results of T6 treatment, the tensile properties increased and the microstructure became softer by adding nickel to the studied alloys. The maximum tensile strength of 7075 aluminum alloy was (UTS = 437 Mpa) when RRA heat treatment was applied and 0.5% nickel was added.
Teses / dissertações sobre o assunto "Nickel alloys":
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Wang, Shangyu. "Electrochemical properties of nanocrystalline nickel and nickel-molybdenum alloys". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq22500.pdf.
Abraham, Matthias. "Electrodeposition and characterisation of nanocrystalline nickel and nickel alloys". Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269947.
Heritage, Neil. "Inverse photoemission from nickel and nickel-iron alloys and photoemission from magnesium-transition metal alloys". Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333675.
Piers, Newbery A. "Electric arc spray forming of nickel alloys and nickel aluminides". Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359486.
Lain, M. J. "Electrocatalytic hydrogenation on in-situ electrodeposited nickel and nickel alloys". Thesis, University of Southampton, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356694.
Pattinson, John. "Localised corrosion in nickel-based alloys". Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315133.
Rule, James R. "Friction Stir Processing Nickel-Base Alloys". The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306421751.
Leith, Steven D. "Electrodeposition of NiFe 3-D microstructures /". Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/9855.
NiTi is the most commonly used shape memory alloy (SMA) and has been widely used for bio-medical, electrical and mechanical applications. Nickel rich NiTi shape memory alloys are coming into prominence due to their distinct superelasticity and shape memory properties as compared to near equi-atomic NiTi shape memory alloys. Besides, their lower density and higher work output than steels makes these alloys an excellent candidate for aerospace and automotive industry. Shape memory properties and phase transformation behavior of high Ni-rich Ni54Ti46 (at.%) polycrystals and Ni-rich Ni51Ti49 (at.%) single-crystals are determined. Their properties are sensitive to heat treatments that affect the phase transformation behavior of these alloys.
Phase transformation properties and microstructure were investigated in aged Ni54Ti46 alloys with differential scanning calorimetry (DSC) and transmission electron microscopy (TEM) to reveal the precipitation characteristics and R-phase formation. It was found that Ni54Ti46 has the ability to exhibit perfect superelasticity under high stress levels (~2 GPa) with 4% total strain after 550°C-3h aging. Stress independent R-phase transformation was found to be responsible for the change in shape memory behavior with stress.
The shape memory responses of [001], [011] and [111] oriented Ni51Ti49 single-crystals alloy were reported under compression to reveal the orientation dependence of their shape memory behavior. It has been found that transformation strain, temperatures and hysteresis, Classius-Clapeyron slopes, critical stress for plastic deformation are highly orientation dependent.
The effects of precipitation formation and compressive loading at selected temperatures on the two-way shape memory effect (TWSME) properties of a [111]-oriented Ni51Ti49 shape memory alloy were revealed. Additionally, aligned Ni4Ti3 precipitates were formed in a single crystal of Ni51Ti49 alloy by aging under applied compression stress along the [111] direction. Formation of a single family of Ni4Ti3 precipitates were exhibited significant TWSME without any training or deformation. When the homogenized and aged specimens were loaded in martensite, positive TWSME was observed. After loading at high temperature in austenite, the homogenized specimen did not show TWSME while the aged specimen revealed negative TWSME.
Dillon, C. P., e Davies Michael. Alloy selection for service in hydrogen fluoride, hydrofluoric acid and fluorine: A guide to the use of nickel-containing alloys. Toronto: Nickel Institute, 2019.
Avery, Richard E. Guidelines for the welded fabrication of nickel alloys for corrosion-resistant service: A practical guide for welders, material engineers and design engineers. Toronto: Nickel Institute, 2018.
Gendron, T. S. Irreversible embrittlement of alloy 600 in hydrogenated steam at 400 [degrees] C. Chalk River, Ont: System Chemistry and Corrosion Branch, Chalk River Laboratories, 1994.
Capítulos de livros sobre o assunto "Nickel alloys":
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Meetham, Geoffrey W., e Marcel H. Van de Voorde. "Nickel Alloys". In Materials for High Temperature Engineering Applications, 68–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-56938-8_7.
Agarwal, D. C., e N. Sridhar. "Nickel and Nickel Alloys". In Uhlig's Corrosion Handbook, 837–52. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9780470872864.ch59.
Warlimont, Hans. "Nickel and Nickel Alloys". In Springer Handbook of Materials Data, 279–96. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-69743-7_11.
Watts, G. R. "Alloys with Nickel". In Rh Rhodium, 209–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-662-06411-5_40.
Cattant, François. "Nickel Base Alloys". In Materials Ageing in Light-Water Reactors, 225–470. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85600-7_5.
Smith, Gaylord D., e Brian A. Baker. "Nickel and Its Alloys". In Mechanical Engineers' Handbook, 256–77. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/0471777447.ch6.
Morlet, J. "Steels and Nickel-Base Alloys". In High Temperature Alloys, 221–33. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-1347-9_21.
Djokić, Stojan S., e Miodrag D. Maksimović. "Electrodeposition of Nickel-Iron Alloys". In Modern Aspects of Electrochemistry, 417–66. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3376-4_4.
Notten, P. H. L. "Rechargeable nickel-metalhydride batteries: a successful new concept". In Interstitial Intermetallic Alloys, 151–95. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0295-7_7.
Kaibyshev, Oscar A. "Superplasticity of Nickel-based Superalloys". In Superplasticity of Alloys, Intermetallides and Ceramics, 231–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84673-1_9.
Trabalhos de conferências sobre o assunto "Nickel alloys":
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BANSAL, A., R. BROWN e P. HARTUNG. "Laser drilling of nickel alloys". In Conference on Lasers and Electro-Optics. Washington, D.C.: OSA, 1985. http://dx.doi.org/10.1364/cleo.1985.fp5.
McCammon, Catherine, Qingguo Wei e Stuart Gilder. "Magnetism in Iron-Nickel Alloys". In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1752.
Beckman, J. P., e D. A. Woodford. "Intergranular Sulfur Attack in Nickel and Nickel-Base Alloys". In Superalloys. TMS, 1988. http://dx.doi.org/10.7449/1988/superalloys_1988_795_804.
Shifler, D. A., L. Sanchez, N. Kedir, D. Faucett, R. Mahapatra e S. R. Choi. "Thermal Stability of Nickel-Base Alloys". In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57991.
The thermal stability of three Ni-base samples was assessed at 1850F (1010°C) and 2000F (1093°C) in ambient air as a function of exposure time ranging from 500 to 2000 hrs. Assessments of thermal stability of the samples were made using weight change, oxidation, microstructural evolution, and post-exposure mechanical properties such as Vickers microhardness and compressive yield stress. The three samples included bare Alloy “A” (9Cr-6Al-1.5Hf), Alloy “A” with an overlay coating, and bare Alloy “B” (12Cr-3Al), were not much different in compositions. At 1850F, oxidation as measured by weight change was insignificant up to 2000 h in all the three samples. At 2000F, however, noticeable weight change occurred, increasing linearly with time all in the three samples. The oxidation penetration from surface to matrix for these samples was more intense when exposed to above 1000 hours, forming various oxides, gamma-prime (γ′) depletion zones, and TCP phases. The size and area fraction of γ′ precipitates were determined as a function of temperature and exposure time. Post-exposure mechanical properties were also assessed through Vickers hardness and compressive yield stress. A maximum change in Vickers hardness was about 10% at both temperatures up to 2000 hrs. The change in compressive yield stress was more pronounced than the change in Vickers hardness as a function of thermal exposure and time.
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Hackenberg, Robert. "Dynamic Properties of Nickel-Titanium Alloys". In SHOCK COMPRESSION OF CONDENSED MATTER - 2003: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2004. http://dx.doi.org/10.1063/1.1780301.
Tomovic-Petrovic, Stanka, Rune Østhus e Ola Jensrud. "Extrusion of the magnesium-nickel alloys". In PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5112533.
Evans, Chris J., Robert S. Polvani e Anton Mayer. "Diamond Turned Electro-Deposited Nickel Alloys". In Optical Fabrication and Testing. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oft.1990.jtuc4.
Many opto-mechanical components need abrasion and/or corrosion resistant surfaces. For some applications single point diamond turning is the preferred fabrication technique; however, wear of the diamond precludes use of some materials of choice.
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CAMPARI, E., S. FOCARDI, V. GABBANI, V. MONTALBANO, F. PIANTELLI, S. VERONESI e S. VERONESI. "SURFACE ANALYSIS OF HYDROGEN-LOADED NICKEL ALLOYS". In Proceedings of the 11th International Conference on Cold Fusion. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812774354_0034.
Satapathy, S. "Dynamic strength of tungsten-nickel-cobalt alloys". In Shock compression of condensed matter. AIP, 2000. http://dx.doi.org/10.1063/1.1303516.
Perovskaya, M. V., G. V. Shlyakhova, S. A. Barannikova e L. B. Zuev. "STRUCTURAL INVESTIGATIONS OF DEFORMED COPPER-NICKEL ALLOYS". In Physical Mesomechanics of Materials. Physical Principles of Multi-Layer Structure Forming and Mechanisms of Non-Linear Behavior. Novosibirsk State University, 2022. http://dx.doi.org/10.25205/978-5-4437-1353-3-111.
Relatórios de organizações sobre o assunto "Nickel alloys":
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Liu, C. T., V. K. Sikka, J. A. Horton e E. H. Lee. Alloy development and mechanical properties of nickel aluminide (Ni sub 3 Al) alloys. Office of Scientific and Technical Information (OSTI), agosto de 1988. http://dx.doi.org/10.2172/7021947.
Fish, J. S., D. J. Perry, N. Lewis, C. D. Thompson e W. J. S. Yang. AEM investigations of primary water SCC in nickel alloys. Office of Scientific and Technical Information (OSTI), agosto de 1997. http://dx.doi.org/10.2172/319835.
Shei, S. A., e W. J. Yang. Stress corrosion crack tip microstructure in nickel-based alloys. Office of Scientific and Technical Information (OSTI), abril de 1994. http://dx.doi.org/10.2172/10166874.
Gdowski, G. E. Survey of degradation modes of four nickel-chromium-molybdenum alloys. Office of Scientific and Technical Information (OSTI), março de 1991. http://dx.doi.org/10.2172/138275.
Santella, M. L., e Z. Feng. Analysis of weld solidification cracking in cast nickel aluminide alloys. Office of Scientific and Technical Information (OSTI), setembro de 1995. http://dx.doi.org/10.2172/102247.
Pyrbylowski, J., R. Wittmeier, W. Sherwood e S. Floreen. The stress corrosion performance of diffusion bonded nickel base alloys. Office of Scientific and Technical Information (OSTI), janeiro de 1989. http://dx.doi.org/10.2172/7008472.
Muroga, T., N. Yoshida e F. A. Garner. The influence of nickel content on microstructures of Fe-Cr-Ni austenitic alloys irradiated with nickel ions. Office of Scientific and Technical Information (OSTI), novembro de 1990. http://dx.doi.org/10.2172/6337067.
Wei, R. Corrosion fatigue of iron-chromium-nickel alloys: Fracture mechanics and chemistry. Office of Scientific and Technical Information (OSTI), janeiro de 1990. http://dx.doi.org/10.2172/5069522.
Wei, R. P. Corrosion fatigue of iron-chromium-nickel alloys: Fracture mechanics and chemistry. Office of Scientific and Technical Information (OSTI), novembro de 1990. http://dx.doi.org/10.2172/6671629.
vitek, j. m. Welding and weldability of directionally solidified single crystal nickel-base super-alloys. Office of Scientific and Technical Information (OSTI), setembro de 1996. http://dx.doi.org/10.2172/11013.
