Die breakage or cracking is due to mechanicalfatigue and occurs in cases where the dies are overloaded and local stresses are high.
模具破裂或产生裂纹是由于机械疲劳,并且是在模具过载和局部应力高等情况下发生的。
2
In hot impression die forging, the principal modes of die failure are erosion, thermal fatigue, mechanicalfatigue and permanent (plastic) deformation.
在热压模缎中,模具失效的主要模式是腐蚀作用、热疲劳、机械疲劳和永久性即塑性变形。
3
High temperature isothermal mechanicalfatigue and in phase thermomechanical fatigue (TMF) tests in stress control were carried out on a molybdenum alloy.