Heat fatigue failure mechanism of the die casting dies during the process of die casting were analyzed, and the influence of optimizing process control on die life of die casting were discussed.
分析了压铸过程中模具的热疲劳失效机理及其影响因素，讨论了优化压铸过程控制对模具寿命的影响。
The brake rims on drilling rig drawworks are subjected to heat load during string lowering and will end in thermal fatigue failure.
石油钻机绞车刹车鼓在下钻过程中，由于热负荷的作用会发生热疲劳破坏。
It is indicated that the failure of the tube coils is mainly caused by heat fatigue.
认为取热管的失效主要由于热疲劳造成的。
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