经典塑性本构关系、多屈服面本构关系及过应力型粘塑性本构关系只是本文的特例。
The classic plastic constitutive relation, multi-yield surface constitutive relation and over-stress viscoplastic constitutive relation are a special example of this constitutive relation.
认为产生粘扣的主要原因是螺纹齿面局部过量的塑性变形，通过变锥度的方式能使接触应力分布规律得到改善，并在现场生产中得到验证。
The results showed that the major cause of thread gluing is over plastic deformation of partial thread face, and that the distribution of contact stress can be improved with the taper mutation, wh...
塑性应变增量方向与应力路径没有很大关系，以等塑性体应变为硬化参数的屈服面形状也是椭园。
The direction of plastic strain increment is nearly independent of the stress path. The shape of yield sur- face on hardening e…
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