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Effect of heat treatment on the mechanical properties of TiAl alloy
Liu J(刘军); Hu YL(胡玉兰); Qiao HC(乔红超); Zhao JB(赵吉宾)
作者部门装备制造技术研究室
会议名称International Conference on Innovative Material Science and Technology (IMST)
会议日期Augest 19-21, 2016
会议地点Shenzhen, China
会议录名称PROCEEDINGS OF THE 2016 INTERNATIONAL CONFERENCE ON INNOVATIVE MATERIAL SCIENCE AND TECHNOLOGY (IMST 2016)
出版者ATLANTIS PRESS
出版地PARIS
2016
页码359-364
收录类别CPCI(ISTP)
WOS记录号WOS:000391726800053
产权排序2
ISSN号1951-6851
ISBN号978-94-6252-269-5
关键词Tial Alloy Heat Treatment Grain Refining Micro Hardness Lanthanum
摘要Heat treatment can influence the microstructure and mechanical properties, in order to homogenize the composition and microstructure, improve the mechanical properties, Ti44Al6Nb0.9La alloy was heat treated at different temperatures and cooling conditions. The experimental results showed that macro-grains grew larger with the elevated temperature. The near-lamellar microstructure was obtained after heat treatment of 1200 degrees C for 2 hours, which transformed into fully-lamellar microstructure as the temperature rose. In addition, linear and lumpish lanthanum compounds were located at inter-lamellae and the colony boundaries, which accumulated more with the accelerated temperature. Micro-hardness test indicated the value of micro-hardness increased differently and the value was the relative maximum when the temperature was 1270 degrees C, as a result of solution strengthening of Nb and precipitation strengthening of La.
语种英语
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文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/19849
专题装备制造技术研究室
通讯作者Liu J(刘军)
作者单位1.Shenyang Ligong University, Shenyang 110159, Liaoning, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China
推荐引用方式
GB/T 7714
Liu J,Hu YL,Qiao HC,et al. Effect of heat treatment on the mechanical properties of TiAl alloy[C]. PARIS:ATLANTIS PRESS,2016:359-364.
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