Flow behavior and deformation microstructure of alloy 2618-Ti processed by hot compressionChinese Full Text
LI Jing;WANG Jian-hua;SONG Yuan-feng;SU Xu-ping;WU Bo;PENG Hao-ping;School of Materials Science and Engineering,Changzhou University;MAHLE Engine Components (Yingkou) Co Ltd;Key Laboratory of Advanced Metallic Materials of Changzhou City,Changzhou University;
Abstract: To investigate flow behavior and deformation microstructure of alloy 2618-Ti,the hot compression tests were performed on a Gleeble-3500 thermal simulator at deformation temperature ranged from 300 ℃ to 500 ℃ and strain rate of 0.001 to 1.0 s-1,respectively.The results show that flow stress decreases with increasing deformation temperature,and increase with increasing strain rate.The steady flow stress can be well predicted by flow stress equation of 2618-Ti alloy at steady state.The deformation microstructure of the alloy at different deformation areas is affected remarkably by the variation of temperature and strain rate in hot compression.
Keywords：
alloy 2618-Ti; hot compression deformation; flow stress behavior; deformation microstructure;
- DOI：
10.13289/j.issn.1009-6264.2013.09.010
- Series：
- Subject：
- Classification Code：
TG115
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