对第三批次的低成本粉末高温合金锻件蠕变试样断口进行分析表征,包括700℃、690 MPa 及 750℃、450 MPa两组断口,分析内容包括断口形貌,裂纹微观扩展机制等
The creep fracture of the third batch of low-cost powder superalloy forgings was analyzed, including two groups of fractures of 700℃, 690 MPa and 750℃, 450 MPa. The analysis contents included fracture morphology, crack micro-propagation mechanism and so on.