铜业工程Issue(6)：1-11,11.DOI:10.3969/j.issn.1009-3842.2025.06.001
CuSn10P1合金热压缩变形行为及本构模型研究
Deformation Behavior and Constitutive Models of Thermal Compressed CuSn10P1 Alloy
摘要
Abstract
The thermal compressed deformation experiments of as-cast CuSn10P1 alloy were conducted based on the Gleeble-3500 thermo-mechanical simulation testing platform.The thermal compressed deformation behavior of as-cast CuSn10P1 alloy was systematically explored at the deformation temperature range of 450～550℃and strain rate of 0.01～1 s-1.By analyzing the effect of the coupling temperature and strain rate on the true stress-true strain curve,the constitutive model of the alloy was established,and the activation energy of thermal deformation and critical conditions of dynamic recrystallization were determined.Flow stress was negatively correlated with the deformation temperature and positively correlated with the strain rate.According to the model fitting calculation,the thermal deformation activation energy(Q)and stress index(n)of as-cast CuSn10P1 alloy were 224.52 kJ/mol and 3.8037,respectively,indicating that the hot deformation mechanism was dislocation climb considering the results of microstructure characterization.The dynamic recrystallization behavior was more likely to be triggered under the conditions of high temperature and low strain rate.关键词
CuSn10P1合金/热变形行为/本构方程/再结晶Key words
CuSn10P1 alloy/thermal deformation behavior/constitutive equation/recrystallization分类
矿业与冶金引用本文复制引用
WANG Qiuping,GUAN Jieren,WANG Rui..CuSn10P1合金热压缩变形行为及本构模型研究[J].铜业工程,2025,(6):1-11,11.基金项目
国家自然科学基金项目(52405367)资助 （52405367）
