| 航天轴承新贵:60NiTi合金 |
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| 引用本文： | 张家华,肖飞,王建中,徐中均,金学军.航天轴承新贵:60NiTi合金[J].金属热处理,2021,46(6):1-7. |
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| 作者姓名： | 张家华 肖飞 王建中 徐中均 金学军 |
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| 作者单位： | 1.上海交通大学 材料科学与工程学院, 上海 200240;2.四川中雅科技有限公司, 四川 雅安 625000 |
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| 基金项目： | 国家自然科学基金(51871151,52022055,52031005);上海市自然科学基金(20ZR1428800) |
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| 摘 要： | 在NiTi系合金大家族中,等原子比的NiTi合金具有形状记忆效应和超弹性。相比于等原子比NiTi合金,60NiTi合金不会发生热弹性马氏体相变,不具有形状记忆效应和超弹性,但是它在硬度、耐腐蚀性和弹性性能等方面具有出众的潜能,在航天领域上展现了良好的应用前景。固溶态60NiTi合金同时具备结构稳定性、超强的耐腐蚀性、出色的耐磨性,已成为航天轴承候选新材料。
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| 关 键 词： | 60NiTi合金 耐磨性 耐腐蚀性 航天轴承 |
| 收稿时间： | 2021-02-22 |
New material for aerospace bearing:60 NiTi alloy |
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| Zhang Jiahua,Xiao Fei,Wang Jianzhong,Xu Zhongjun,Jin Xuejun.New material for aerospace bearing:60 NiTi alloy[J].Heat Treatment of Metals,2021,46(6):1-7. |
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| Authors: | Zhang Jiahua Xiao Fei Wang Jianzhong Xu Zhongjun Jin Xuejun |
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| Affiliation: | 1. School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;2. Sichuan Zhongya Technology Co., Ltd., Yaan Sichuan 625000, China |
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| Abstract: | Among the large family of NiTi alloys, the NiTi alloy with equal atomic ratio have shape memory effect and super elasticity, Compared with NiTi alloy, thermoelastic martensitic transformation does not occur in the 60NiTi alloy, and it has no shape memory effect and super elasticity. However it has outstanding potential in hardness, corrosion resistance and elastic properties, showing a good application prospect in the aerospace field. The solid solution treated 60NiTi alloy also has structural stability, super corrosion resistance and excellent wear resistance, and has become a candidate new material for aerospace bearings. |
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| Keywords: | 60NiTi alloy wear resistance corrosion resistance aerospace bearing |
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