work harden 中文意思是什麼
work harden
解釋
加工硬化-
Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release
根據界面粒子速度剖面，計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系，所得結果與文獻給出的數據符合很好；其次，利用阻抗匹配近似，計算分析了無氧銅卸載過程的應力-應變關系，並與流體彈塑性模型進行了比較，結果表明：無氧銅的卸載過程存在明顯的應變硬化效應。 -
And we also discovered there is no decreasing of the hardness on the surface of cr12 steel. it is due to dispersion harden by plentiful of alloy carbide and decreasing of residual austcnitc. these research work should provide some useful references for technicians in practice. at last, the program was also introduced
但在高合金鋼cr12中發現硬度回落現象並不明顯，這是因為本身該鋼種的激光加工硬化帶硬度並不大，另外高合金含量產生的彌散強化以及殘余奧氏體的減少也是硬度回落小的一個原因。
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