对第一批次的低成本粉末高温合金锻件断裂韧性试样断口进行分析表征,包括600℃、700℃两组断口,分析内容包括断口形貌,裂纹微观扩展机制等
The fracture toughness sample of the first batch of low-cost powder superalloy forgings was analyzed, including two groups with temperature of 600℃ and 700℃. The analysis contents included fracture morphology, crack micro-propagation mechanism and so on.