报道了汽车钢板弹簧用钢55SiMnVB在不同热处理制度下的单片疲劳试验和高频疲劳试验结果,并运用断裂力学及显微组织与断口分析等方法,研究了钢的疲劳断裂特性.
The results of conventional and high frequency fatigue tests of 55SiMnVB spring steel were reported. The fatigue rupture of the steel concerned hasbeen discussed together with the microstructure and fracture morphology observedand the fracture toughness obtained.
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