The fatigue lives of in-phase thermo-mechanical fatigue (TMF) and isothermal fatigue (IF) were carried out in cast hot work die steel in stress control in this paper.

• 研究了热作模具钢在应力控制下的等温疲劳和同相热机械疲劳寿命,发现在相同的应力幅下,同相热机械疲劳寿命低于上限温度的等温疲劳寿命。