The traditional viewpoint of existing heating process and neglecting melting phenomena in welding results in the error of considering compressive plastic strain in welding.
由于认为焊缝存在加热过程和忽视熔化现象的存在，导致传统观点认为的焊缝存在压缩塑性应变的错误。
2
Then, constitutive equations are written for plastic, creep and fatigue damage phenomena.
从而建立了塑性、蠕变和疲劳损伤现象的本构方程。
3
Ascend original plate equipped with plastic coating multiaxial structure, solve from around the wound is not on the market, including migraine and other undesirable phenomena.