中南大学学报（自然科学版）2011，Vol.42Issue(12)：3702-3708,7.
铝合金热变形的本构模型研究
Constitutive model for hot deformation of aluminum alloy
摘要
Abstract
The flow stress behavior of 6016 aluminum alloy was studied by single-pass high temperature compression experiment on Gleeble-1500 thermal-mechanical simulator at temperature of 300-500 ℃, strain rate of 0.01-10 s-1 and true strain of 0-0.8. The results demonstrate that the hot deformation behavior of 6016 aluminum alloy exhibits strain-hardening to a steady-state, and the softening mechanism is mainly controlled by dynamic recovery. The constitutive equation is presented, considering A and β as function of strain by Zener-Hollomon parameter in the exponential function form. The corrected temperatures rising are in good agreement with those of the measured values.关键词
6016铝合金/热压缩变形/本构模型/Zener-Hollomon参数Key words
6016 aluminum alloy/ hot compression/ constitutive model/ Zener-Hollomon parameter分类
矿业与冶金引用本文复制引用
黄长清,刁金鹏,邓华..铝合金热变形的本构模型研究[J].中南大学学报（自然科学版）,2011,42(12):3702-3708,7.基金项目
国家自然科学基金资助项目(51075404) （51075404）
汽车车身先进设计制造国家重点实验室开放基金资助项目(30915004) （30915004）
