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beta-Grain Growth and Influence of Its Grain Size on Damage-Tolerance Property in Titanium Alloy
Ma Yingjie; Liu Jianrong; Lei Hafeng; Liu Yuyin; Yang Rui
Corresponding AuthorMa Yingjie(yjma@imr.ac.cn)
2009-06-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume38Issue:6Pages:976-981
AbstractThe purpose of the present study is to know the influences of thermo-mechanical processing and heat-treatment on the prior beta-grain size of TC4 titanium alloy, and the influence of grain size on damage-tolerance properties is also discussed. The average beta-grain sizes under different thermo-mechanical processing and solution treatment conditions were measured. Noticeable difference of beta-grain growth behavior was found between alpha+beta forged and beta forged TC4 alloy under the same heat-treatment conditions. The exponential relationship between beta-grain size and solution time was presented. The results show that beta-grain size does not always increase with increasing of solution-treatment temperature; a limit value of the grain size will appear in certain temperature region. For different forging process, the fluctuation of the prior beta-grain size is different. This phenomenon is discussed in terms of grain growth thermodynamics and kinetics laws. Damage-tolerance properties results show that grain size has noticeable influence on fatigue crack growth rate and fracture toughness property.
Keywordtitanium alloys TC4 alloy heat-treatment beta-grain growth damage-tolerance property
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000267856900009
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/99025
Collection中国科学院金属研究所
Corresponding AuthorMa Yingjie
AffiliationChinese Acad Sci, Inst Met Res, Res Lab Titanium Alloy, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Ma Yingjie,Liu Jianrong,Lei Hafeng,et al. beta-Grain Growth and Influence of Its Grain Size on Damage-Tolerance Property in Titanium Alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2009,38(6):976-981.
APA Ma Yingjie,Liu Jianrong,Lei Hafeng,Liu Yuyin,&Yang Rui.(2009).beta-Grain Growth and Influence of Its Grain Size on Damage-Tolerance Property in Titanium Alloy.RARE METAL MATERIALS AND ENGINEERING,38(6),976-981.
MLA Ma Yingjie,et al."beta-Grain Growth and Influence of Its Grain Size on Damage-Tolerance Property in Titanium Alloy".RARE METAL MATERIALS AND ENGINEERING 38.6(2009):976-981.
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