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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 fatigue test and high-frequency fatigue test results of steel 55SiMnVB under different heat treatment systems were reported. The fatigue fracture characteristics of steel were studied by means of fracture mechanics, microstructure and fracture analysis.