The fatigue strength of the longitudinal fillet welded joint specimen treated by ultrasonic peening increases by about 173% and the fatigue lifetime prolonges by 32~70 times.
纵向角接接头超声冲击处理试件与原始焊态试件相比，疲劳强度提高1 73 %左右，疲劳寿命延长了3 2～ 70倍。
The test analysis shows that the fitted slope of test data to nominal stress and hot spot stress S-N curves for aluminum 5083 welded joint with longitudinal fillet welded gusset is 5.
试验分析说明铝合金5083纵向角接板焊接接头名义应力和热点应力疲劳s - N曲线试验数据拟合斜率为5。
The test analysis shows that the fitted slope of test data to nominal stress and hot spot stress S-N curves for aluminum 5083 welded joint with longitudinal fillet welded gusset is 5.
试验分析说明铝合金5083纵向角接板焊接接头名义应力和热点应力疲劳s - N曲线试验数据拟合斜率为5。
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