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.
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