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中文摘要：
为提高Ti811钛合金高温微动疲劳抗力，利用离子辅助沉积技术在Ti811钛合金表面制备Al膜层。对比研究多弧离子镀（MIP）和离子辅助多弧沉积（IAD）Al膜层的膜基界面成分分布、膜基结合强度、显微硬度、摩擦学性能。探讨IAD铝膜层对Ti811合金微动疲劳抗力的影响。结果表明，利用离子辅助多弧沉积技术可以获得膜基结合强度高、硬度低、减摩润滑性能好的Al膜层，该膜层能够显著提高Ti811钛合金350℃时的微动疲劳抗力。
英文摘要：
To improve fretting fatigue resistance （FFR） of Ti811 titanium alloy at elevated temperature, Al film was produced on the Ti alloy surface by ion assisted multi-arc deposition （IAD） method. The composition distribution, bonding strength, micro-hardness, wear resistance of the IAD Al film were compared with multi-arc ion plating （MIP） Al film. The influence of the IAD Al film on FFR of the Ti alloy was evaluated. The results indicated that IAD technique could prepare Al film with low hardness, excellent bonding strength and good lubricating property. The IAD Al film significantly improved the fretting fatigue resistance of the Ti alloy at 350℃.
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Effects of temperature, slip amplitude, contact pressure on fretting fatigue behavior of Ti811 alloy
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