采用数值分析方法对冲击压痕法测量残余应力的弹塑性变形过程进行了理论分析。
The indentation method of residue stress measurement depends on strain measurement around an indention caused by an impacting sphere.
开始时，对模型用的塑性材料的机械性能，试验中采用加荷的大小值，以及材料的持久性的测量作了一些试验。
At the beginning, tests are made on mechanical properties of the plastic material for making the model, the magnitude of applied load sustained and the durability measurement on the material.
提出了一种新的损伤定义及测量方法，确定了金属材料的损伤临界值，并进一步证明了金属材料的损伤就是金属材料的塑性变化。
A new definition and measurement method of damage is put forward, the damage critical value of metal is determined and it is proved that damage of metal is exactly the plastic change of metal.
应用推荐