研究了镍基合金冷变形管坯退火裂纹与加热温度的关系和退火裂纹产生的原因。
The relationship between annealing cracks and heating temperatures of Ni-based alloy cold-formed billets and the causes of annealing crack occurrence are studied.
但对高周次疲劳损伤，进行修复退火不能愈合裂纹和延长寿命。
But for the specimens of high cycle fatigue damaged, the annealing can not increase the total life.
该合金的疲劳裂纹扩展速率对退火温度不敏感。
The temperature of duplex annealing has little influence on fatigue crack propagation behavior.
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