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金属学报  2014 

一种模拟和预测金属锻造过程动态再结晶的新方法

DOI: 10.11900/0412.1961.2014.00142, PP. 1128-1136

Keywords: 功率耗散图,有限元,动态再结晶,模拟与预测,TC11钛合金

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Abstract:

提出了一种将功率耗散图预测的动态再结晶热力参数范围与有限元模拟相结合,来模拟和预测金属锻造过程动态再结晶的方法.该方法通过二次开发引入到Deform3D有限元软件系统后,利用该系统成功模拟和预测了TC11钛合金在工艺参数为(1020℃,0.1s-1),(1050℃,0.1s-1)和(1050℃,10s-1)时,恒应变速率压缩过程中发生动态再结晶的区域及其变化规律,模拟预测结果与实验结果吻合较好.

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