对来自不同工艺下低成本粉末高温合金锻件力学试样断口进行分析表征,主要包括不同温度拉伸、高温蠕变、低周疲劳等断口试样,分析内容包括断口形貌,裂纹微观扩展机制等
The fracture of samples of low-cost powder superalloy forgings under different processes was analyzed and characterized, including tensile samples at different temperatures, creep samples at high temperatures, and low-cycle fatigue samples. The analysis contents included fracture morphology and crack micropropagation mechanism etc.