利用刚粘塑性有限元方法,对 1420铝锂合金特深模锻件反挤成形过程进行了热力耦合 FEM分析,获得了 1420铝锂合金反挤成形时载荷与位移的关系以及工件上的内应力、应变、应变速率和温度的分布信息.所得结果对工艺制度的制定和模具设计都具有指导意义.
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