为消除铝合金预拉伸板中的残余应力，采用弹塑性有限元法对振动时效消除残余应力进行数值模拟。
To eliminate the residual stress of aluminum alloy pre-stretching board, an elastic-plastic finite element model was developed to simulate the vibratory stress relief (VSR) process.
本文讨论了铝合金预形热变处理的强韧化机制。
In this paper the toughening mechanism of aluminium alloys after PTMT is discussed.
合金的形状回复率随着预变形量的增加而减小。
The shape recovery decreases with the increasing of predeformation amount.
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