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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)
Department装备制造技术研究室
Conference NameInternational Conference on Innovative Material Science and Technology (IMST)
Conference DateAugest 19-21, 2016
Conference PlaceShenzhen, China
Source PublicationPROCEEDINGS OF THE 2016 INTERNATIONAL CONFERENCE ON INNOVATIVE MATERIAL SCIENCE AND TECHNOLOGY (IMST 2016)
PublisherATLANTIS PRESS
Publication PlacePARIS
2016
Pages359-364
Indexed ByCPCI(ISTP)
WOS IDWOS:000391726800053
Contribution Rank2
ISSN1951-6851
ISBN978-94-6252-269-5
KeywordTial Alloy Heat Treatment Grain Refining Micro Hardness Lanthanum
AbstractHeat 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.
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://ir.sia.cn/handle/173321/19849
Collection智能产线与系统研究室
Corresponding AuthorLiu J(刘军)
Affiliation1.Shenyang Ligong University, Shenyang 110159, Liaoning, China
2.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China
Recommended Citation
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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