laser surface transformation hardening

基本解释

The characteristic and mechanism of laser transformation hardening , the technics of laser surface heat treatment were introduced.
主要介绍了激光相变硬化的特点及强化机理、激光表面相变硬化工艺。
The results show that, the laser treated layer includes surface melted layer, overheating layer and transformation hardening layer.
结果表明，激光处理层分三层：熔凝层、过热层和相变硬化层。
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Numerical simulation of laser surface transformation hardening on the samples is performed using finite difference method in this paper.
本文用有限差分法对合金材料激光相变硬化过程的温度场进行了三维数值计算。