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li yong fu qu mian fan she jing jin xing ji guang xiang bian ying hua
Author(s): 
Pages: 3-8+12
Year: Issue:  5
Journal: Heat Treatment of Metals

Keyword:  激光相变硬化残留奥氏体复曲面反射镜硬化层深度残余应力激光硬化试样表面激光束斑原始组织;
Abstract: 本文描述了利用复曲面反射镜进行激光相变的硬化工艺。复曲面反射镜能将环形的激光束聚焦反射到试样表面,使试样的圆柱面周围形成连续的环状辐照带。这种方法可以连续地硬化试样的表面并得到均匀的硬化层深度。实验研究了激光硬化后的硬化层深度、硬度和金相组织;同时也用X射线衍射法测量了硬化层中的残余应力和残留奥氏体含量。最后,分析讨论了实验结果.
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