对第一批次的低成本粉末高温合金锻件拉伸试样断口进行分析表征,包括室温、650℃、750℃拉伸三组断口,分析内容包括断口形貌,裂纹微观扩展机制等
The fracture of the first batch of low-cost powder superalloy forgings was analyzed, including three groups of fractures at room temperature, 650℃ and 750℃. The analysis contents included fracture morphology, crack micro-propagation mechanism and so on.