研究了K417镍基高温合金的微动磨损行为.结果表明,K417镍基高温合金的微动磨损可以分为开始、过渡和稳定三个阶段,稳定阶段的微动磨损机理是疲劳脱层.高温下K417镍基合金的微动磨损表面可以形成致密的釉质氧化膜,具有良好高温强度的K417镍基合金基体的支撑保证了釉质氧化膜的连续和完整.通过降低剪切应力的大小和改变其分布形式,釉质氧化膜可以缓解K417镍基合金的微动磨损.
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