Mechanical Properties of a Ni-Co-Cr-Mo Alloy

IF 1.7 3区 物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Ke Han;Y. Xin;V. J. Toplosky;R. M. Niu;J. Lu
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引用次数: 0

Abstract

Because effective reinforcement materials must have both high capacity for load bearing and high resistance to deformation under external force, they require both high mechanical tensile strength and a high elasticity modulus. Both strength and modulus are usually amplified at cryogenic temperatures, so properties at both cryogenic and room temperatures must be characterized before the materials can be used for applications. In this study, we investigated a nickel-based alloy whose Young's modulus is higher than that of the stainless steels that have commonly been relied on as reinforcement materials in cryogenic environments. Our test alloy was subjected to a type of thermo-mechanical processing that strengthens the alloy through very fine planar defects. We first deformed the alloy to various magnitudes at room temperature, and we then measured its properties at both cryogenic and room temperatures. Finally, we assessed the properties (at both temperatures) of the materials that were deformed to different deformation strains at room temperature. We found that our test alloy had anisotropy in both elastic modulus and mechanical strength and had more resistance to plastic deformation at cryogenic temperatures than at room temperatures. We then investigated physical property changes in various magnetic fields and at various cryogenic temperatures. This paper summarizes 1) the changes that occurred in the microstructure of our alloy and 2) the properties desirable for effective reinforcement materials.
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来源期刊
IEEE Transactions on Applied Superconductivity
IEEE Transactions on Applied Superconductivity 工程技术-工程:电子与电气
CiteScore
3.50
自引率
33.30%
发文量
650
审稿时长
2.3 months
期刊介绍: IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.
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