用Gleeble-1500D型试验机研究了AerMet100钢热压缩变形过程流变应力的演变规律.结果表明:流变应力随变形温度的提高而降低,随应变速率和变形量的提高而增加.基于三因子的二次正交回归设计分析方法,建立了流变应力随变形量、应变速率和温度变化的数学模型并对流变应力进行了预测.该模型预测结果与实测结果基本吻合.
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