The results indicate that the thermal fatigue of the cast hot-work die steel is high-cycle thermal fatigue, therefore the main factor affecting thermal fatigue resistance is thermal strength and thermal stability. 结果表明,铸造热作模具钢的热疲劳属高周热疲劳,其热疲劳性能取决于钢的热强性和热稳定性。
Thermal Fatigue Of Hot-Work Die Steel Under Alternating Stress 热交变应力下热模钢的热疲劳行为
The effects of rare earth ( RE) complex modification on structure and the properties of a new cast hot-work die ( CHD) steel were investigated. 研究了稀土复合变质对新型铸造热锻模具钢(CHD钢)组织与性能的影响。