The microstructure, surface fracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
The microstructure, surface fracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
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