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研究了2024铝合金化铣试验件与化铣+激光喷丸试验件的高低周疲劳特性。结果表明:在高周疲劳时,化铣+激光喷丸试验件的疲劳寿命优于化铣件;在低周疲劳时,化铣试验件的疲劳寿命则优于化铣+激光喷丸试验件。
The high and low cycle fatigue characteristics of 2024 aluminum alloy milling test piece and milling + laser shot peening test piece were studied. The results show that the fatigue life of the milling + laser shot peening test pieces is better than that of the milling work pieces at high cycle fatigue; while the fatigue life of the milling test pieces is better than the milling + laser peening test pieces under low cycle fatigue .