在变形温度700～860 ℃、应变速率0.001～1 s-1下,对TB6合金进行热压缩变形,以研究TB6合金的热压缩流变应力行为.研究温度、变形量、应变速率等因素对TB6热变形流变应力的影响,建立了TB6合金热变形流变应力的本构模型方程.结果表明:合金在热压缩过程中,流变应力随着应变的增大而增加,达到峰值应力后逐渐趋于平稳;应力峰值随着应变速率的增大而增大,随着温度的升高而呈减小趋势.
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