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Constitutive relationship of semi-solid ZL1O1 alloy in thixoforming
Author(s): 
Pages: 82-86
Year: Issue:  3
Journal: Journal of Plasticity Engineering

Keyword:  半固态ZL101合金触变成形遗传算法本构关系;
Abstract: 对半固态ZL101合金坯料进行等温压缩实验,研究变形温度、应变速率对半固态ZL101合金流动应力的影响.结果表明,半固态ZL101合金的流动应力随着变形温度的升高而降低,随着应变速率的增大而增大.DOE实验表明,应变速率对材料的流动应力影响较大.采用遗传算法对半固态等温压缩实验数据进行拟合,得到ZL101合金的本构关系,并将其导入到有限元程序中进行计算,模拟结果与实验结果基本吻合.
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