Influence of deformation parameters on microstructure and mechanical properties of TA15 titanium alloy

摘要：

The influence of deformation parameters including deformation temperature,degree and speed on the microstructure and mechanical properties of TA15 titanium alloy was studied.The volume fraction,size and aspect ratio of primary α phase in deformed TA15 titanium alloy were quantitatively characterized.With increasing deformation temperature,the volume fraction and size of primary α phase decrease.The aspect ratio of primary α phase decreases with increasing deformation temperature.The tensile strength of TA15 alloy deformed at 0.1 mm/s is higher than that at 0.3 mm/s.After thermoforming at 960 ℃,0.1 mm/s,the tensile strength is the highest up to 1 035 MPa and the elongation is 13.5％.When the thermoforming temperature is 1 050 ℃,the strength and elongation are both relative low,because the microstructure is Widmanstaten structure.

关键词： TA15 titanium alloy deformation microstructure mechanical properties

作者: ZHU Jing-chuan WANG Yang LIU Yong LAI Zhong-hong ZHAN Jia-jun

作者单位: School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China

会议类型: 国际会议

会议名称: 2007年国际有色金属大会(International Conference of Nonfereous Materials 2007)(ICNFM)

会议地点: 长沙

会议语种:英文

在线出版日期: 2007-11-28（万方平台首次上网日期，不代表论文的发表时间）