... 相变材料(PCMs) phase change materials (PCMs) 相变残余应力 phase transformation residual stress 相变超塑性 transformation induced superplasticity ...
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推导了激光相变硬化层的残余应力公式，并对实验结果进行了分析讨论。
The formula of residual stress in laser transformation hardened case is inferred, and the experimental results are discussed.
实测了激光相变硬化区的宽度和深度及残余应力分布。
The width and depth of laser transformation hardening zone and residual stress distribution were measured experimentally.
结果表明，激光相变硬化层中的残余压应力是普遍存在的现象。
The experimental results show that the residual compressive stresses existed in the laser hardened case are universal phenomena.
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