对第三批次的低成本粉末高温合金锻件疲劳试样断口进行分析表征,试验条件为650℃,0.8%应变幅,分析内容包括断口形貌,裂纹微观扩展机制等
The fatigue fracture of the third batch of low-cost powder superalloy forgings was analyzed. The experimental conditions were 650℃ and 0.8% strain amplitude. The analysis contents included fracture morphology, crack micro-propagation mechanism and so on.