新型超弹性轴承材料TiNi60合金的研究进展

来源期刊:中国有色金属学报2020年第5期

论文作者:燕超 曾群锋 杨华斌

文章页码:1038 - 1049

关键词:TiNi60合金;轴承材料;研究进展

Key words:TiNi60; bearing material; research progress

摘    要:TiNi60合金是一种弹性模量低、硬度大、比强度高、无磁性、尺寸稳定性好、耐腐蚀性强的新型超弹性轴承材料,NASA等国外研究机构对其进行了深入研究。系统阐述了TiNi60合金材料的特性,重点论述了其在熔炼与加工、硬度强化机理、力学性能、摩擦学性能、高温抗氧化行为以及超弹性等方面的国内外最新研究进展,分析了相关研究中存在的问题,并简要阐述了超弹性TiNi60合金在航空航天领域的应用前景,探讨了有关TiNi60合金材料亟需研究的内容,以期推动国内外相关研究进展。

Abstract: TiNi60 alloy was considered as a new type of superelastic bearing material with excellent properties of low elasticity modulus, high hardness, high specific strength, non-magnetism, good dimensional stability and strong corrosion resistance. It was deeply investigated by NASA and other foreign research institutes. The characteristics of TiNi60 alloy were systematically described, the latest research progress in smelting and processing, hardness strengthening mechanism, mechanical properties, tribological properties, high temperature oxidation resistance and superelasticity were discussed, and some problems in current research were analyzed. Moreover, the application prospects in aerospace and research direction of TiNi60 alloy were discussed in order to promote the development of related research.

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