Effect of aging temperature on the fatigue properties of shot-peened single crystal superalloy at intermediate temperature
International Journal of Fatigue(2022)
摘要
•Surface recrystallization occurs after shot-peening/aging, leading to a significant decrease in surface hardness.•The recrystallized structure makes the fatigue performance lower than unpeened sample.•Aging increases the dispersion of the fatigue lives of shot-peened specimens of the single-crystal superalloy.
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关键词
Single crystal superalloy,Shot peening,Aging temperature,Fatigue,Recrystallization
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