两种铝合金材料组合搭接连接件疲劳特性分析

Hot Working Technology(2014)

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Abstract
针对7A12和2B25两种铝合金材料的组合搭接连接件,采用有限元模拟,确定其疲劳失效位置和在飞-续-飞谱下的预估寿命,并通过试验验证.模拟和试验结果表明:该铝合金组合结构具有良好的疲劳性能,可满足疲劳寿命指标要求;有限元方法得到的预估寿命和试验结果吻合良好.
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Key words
scarfed lap joints,aluminum alloy,fatigue
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