Academic literature on the topic 'Ni3Mo Alloy'

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Journal articles on the topic "Ni3Mo Alloy"

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Stępniowska, Elżbieta, and Stanisław Dymek. "Structure-Property Relationship in a Haynes® 242TM Alloy Subjected to Long-Term Exposure at 650°C." Solid State Phenomena 186 (March 2012): 156–59. http://dx.doi.org/10.4028/www.scientific.net/ssp.186.156.

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This paper characterizes the microstructure and mechanical properties of the nickel-based superalloy with the nominal composition Ni–25Mo–8Cr (wt.%) after long-term annealing (4000, 6000 and 8000 h) at 650°C. The microstructure was characterized by TEM and SEM. Mechanical properties were measured trough tensile testing. The microstructure, composed initially of a dispersive Ni2(Mo,Cr) strengthening phase in a Ni-based solid solution, decomposed during annealing into a mixture of intermetallic (Ni3Mo- and Ni4Mo-type) phases and recrystallized Mo-lean Ni-based solid solution. The dominant new ph
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Thomson, R. C., N. Brown, J. S. Bates, K. F. Russell, and M. K. Miller. "An APFIM and TEM Study of Ni4Mo Precipitation In a Commercial Ni-28% Mo-1.4 % Fe-0.4% Cr Wt. % Alloy." Microscopy and Microanalysis 4, S2 (1998): 92–93. http://dx.doi.org/10.1017/s1431927600020584.

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Ni-Mo alloys containing at least 26 wt.% Mo have a negligible corrosion rate in boiling 10% hydrochloric acid and are therefore used in corrosive environments. A series of commercial Ni-Mo alloys has been developed with subtle variations in chemical composition. These alloys usually contain ∼28 wt.% Mo with additions of up to 5 % Fe and Cr. A significant amount of research has been performed to understand the microstructure and properties of these alloys, although most of the effort has concentrated on the Ni-Mo binary system. In some alloys with low Fe and Cr contents, a severe embrittlement
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Buscail, Henri, Raphaël Rolland, Christophe Issartel, Frédéric Riffard, Françoise Rabaste, and Sébastien Perrier. "Influence of Water Vapour on a Nickel-Based Alloy Oxidation." Defect and Diffusion Forum 323-325 (April 2012): 309–14. http://dx.doi.org/10.4028/www.scientific.net/ddf.323-325.309.

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Water vapour has little effect on the oxidation rate and scale composition of a nickel-based SY 625 alloy oxidized between 900 and 1100°C. At 900 and 1000°C, the outer scale is composed of Cr2O3 and a continuous NbNi4 - Ni3Mo subscale is found at the oxide/alloy interface. At 1100°C the scale is composed of an outer chromia scale and an internal CrNbO4 subscale. The oxide scale morphology differs between dry and wet conditions. Under dry conditions the oxide scale appears to be compact and chromia pegs are observed at the internal interface. Under wet conditions, porosities are observed inside
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Wang, Tao, Guomin Li, Xinjiang Cui, and Frank Abild-Pedersen. "Identification of earth-abundant materials for selective dehydrogenation of light alkanes to olefins." Proceedings of the National Academy of Sciences 118, no. 11 (2021): e2024666118. http://dx.doi.org/10.1073/pnas.2024666118.

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Selective ethane dehydrogenation (EDH) is an attractive on-purpose strategy for industrial ethylene production. Design of an effective, stable, and earth-abundant catalyst to replace noble metal Pt is the main obstacle for its large-scale application. Herein, we report an experimentally validated theoretical framework to discover promising catalysts for EDH, which combines descriptor-based microkinetic modeling, high-throughput computations, machine-learning concepts, and experiments. Our approach efficiently evaluates 1,998 bimetallic alloys by using accurately calculated C and CH3 adsorption
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Guettaf Temam, Elhachmi, Aidaoui Elkhanssa, Hachemi Ben Temam, Fouad Kermiche, and Hamza Bentrah. "The influence of arabic gum on the catalytic properties of Ni-Mo alloy coatings to intensify hydrogen evolution reaction." Anti-Corrosion Methods and Materials 64, no. 6 (2017): 580–87. http://dx.doi.org/10.1108/acmm-10-2016-1722.

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Purpose Because of its wide applications in the industry, the electrodeposition of Ni/Mo as corrosion barrier and decorative coating took the attention of numerous researchers. This paper aims to study the effect of electroplating current density on different characteristics of Ni/Mo alloy coatings, especially on the morphology and electrochemical comportment in 3.5 per cent NaCl corrosion medium. Design/methodology/approach In this paper, the authors have used electrodeposition technique to codeposite molybdenum particles in nickel matrix as protective coating against corrosion attacks, in ad
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Volodin, S. A., V. I. Simakov, and A. A. Tukhfatullin. "Electronic structure of the ordered ferromagnetic alloys Ni3Mn, Ni3Fe, and Ni3Co." Soviet Physics Journal 31, no. 6 (1988): 495–500. http://dx.doi.org/10.1007/bf00897616.

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Panek, Joanna, Bożena Bierska-Piech, and Jolanta Niedbała. "Characterization of Ni75Mo25 Alloy Prepared by Mechanical Alloying and Heat Treatment." Solid State Phenomena 203-204 (June 2013): 394–97. http://dx.doi.org/10.4028/www.scientific.net/ssp.203-204.394.

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The process of Ni75Mo25powder synthesis via mechanical alloying (MA) was studied. Process was carried out from pure elements: Ni and Mo with a particle size under 150 μm. A ball-to-powder weight ratio and the rotational speed were 5:1 and 500 rpm, respectively. Oxidation was reduced by milling under an argon atmosphere. The milling process was performed during up to 60 hours. X-ray diffraction (XRD) and scanning electron microscopy techniques have been used to investigate resulting products. It was found that the particle sizes decrease with the increase in milling time. The resulting powder c
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Thust, A., and K. Urban. "Interpretation of the Contrast of High-Resolution Electron Microscopy Images of Ni4Mo by Means of Simulated Image Maps." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 1 (1990): 28–29. http://dx.doi.org/10.1017/s0424820100178896.

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The alloy of composition Ni4Mo develops, at temperatures below 860 °C, an ordered Dla-structure which is based on the fcc-lattice. This alloy has been widely investigated with respect to its physical properties and its ordering behaviour. High resolution studies are rare and concentrated mainly on its short-range order structure. The aim of the present work was to develop a detailed understanding of image contrast and to apply the results to antiphase-boundary studies in ordered Ni4Mo by means of a JEOL 4000 EX electron microscope.In high-resolution electron microscopy, depending on defocus an
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Cao, Siqi. "Microstructures in rapidly solidified Ni4Mo alloy." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 602–3. http://dx.doi.org/10.1017/s042482010008732x.

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The alloy of Ni-20 at pet Mo has a single phase structure with an order-disorder transition at 868°C. A short-range ordered fee structure (α) exists above 868°c, which shows a diffuse (1,1/2,0) diffraction feature. The intensity of the (1,1/2,0) diffraction becomes weak as the temperature increases, but may exist to the melting point. Below 868°C, long-range ordered bet structure (β) occurs by rearrangement of atoms from a. The short-range ordered a can be retained by water quenching from above 868°C. The purpose of this paper is to determine the effect of rapid solidification on the microstru
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Wang, Rui, Yilei Fu, Guoliang Xie, Zifan Hao, Shuai Zhang, and Xinhua Liu. "The Microstructure and Mechanical Properties of Cu-20Ni-20Mn Alloy Fabricated by a Compact Preparation Process." Metals 10, no. 11 (2020): 1528. http://dx.doi.org/10.3390/met10111528.

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A novel compact preparation process has been developed to produce a Cu-20Ni-20Mn alloy. This process involves heating-cooling combined mould (HCCM) continuous casting, a solution treatment at 800 °C, rolling at room temperature and a final ageing step at 450 °C. This process eliminates two hot deformation processes, namely, hot forging and hot rolling, greatly improving production efficiency and reducing production costs compared with the traditional preparation process. The alloy fabricated by this process was found to have excellent mechanical properties. Additionally, the formation of preci
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Dissertations / Theses on the topic "Ni3Mo Alloy"

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Khalfallah, Ibrahim. "Designing Microstructure through Reverse Peritectoid Phase Transformation in Ni₃Mo Alloy." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/78058.

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High-energy ball milling and powder metallurgy methods were used to produce a partially alloyed nickel and molybdenum of γ-Ni₃Mo composition (Ni-25at.%Mo). Milled powders were cold-compacted, sintered/solutionized at 1300°C for 100h sintering followed by quenching. Three transformation studies were performed. First, the intermetallic γ-Ni₃Mo was formed from the supersaturated solution at temperatures ranging between 600°C and 900°C for up to 100h. The 100% stable γ-Ni₃Mo phase was formed at 600°C after 100h, while aging at temperatures ranging between 650°C and 850°C for 25h was not sufficient
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Book chapters on the topic "Ni3Mo Alloy"

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Khalfallah, I., and A. Aning. "Peritectoid Phase Transformations in Ni3Mo Alloy." In TMS2015 Supplemental Proceedings. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093466.ch171.

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Khalfallah, I., and A. Aning. "Peritectoid Phase Transformations in Ni3Mo Alloy." In TMS 2015 144th Annual Meeting & Exhibition. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48127-2_171.

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Liu, Peng, Dengfu Chen, Pei Xu, Mujun Long, Huamei Duan, and Jie Yang. "Site Preference of the Alloying Additions on Mechanical Properties of L12 Ni3Co Alloys." In TMS 2020 149th Annual Meeting & Exhibition Supplemental Proceedings. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36296-6_163.

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Khalfallah, Ibrahim Y., and Alex O. Aning. "Designing Microstructure Through Reverse Peritectoid Phase Transformation in Ni3Mo Alloy." In Reference Module in Materials Science and Materials Engineering. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-803581-8.11384-0.

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