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Numerical Analysis of Residual Stresses During Quenching Processes of High-strength Aluminum Alloy Thick-plates
Author(s): 
Pages: 465-469
Year: Issue:  6
Journal: Journal of Taiyuan Heavy Machinery Institute

Keyword:  高强铝合金 厚板 淬火 残余应力 有限元;
Abstract: 采用有限元分析方法,利用deform软件模拟分析了高强铝合金厚板的淬火冷却过程。获得了高强铝合金厚板淬火温度场、应力场和变形场分布规律。并利用点跟踪技术分析了厚板内部和表面不同位置的淬火冷却曲线、平均残余应力曲线以及沿长、宽和厚方向的三个应力分量分布曲线。结果表明,板件的残余应力主要决定于X方向的残余应力分量。厚板表面X方向的残余应力分量值达到最大,最大压应力值为-135 MPa;厚板内部X方向的残余应力分量值达到最大,最大拉应力值为156 MPa.
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