IMR OpenIR
Microstructure of cyclically deformed titanium with low hydrogen concentration II. Dissolution of gamma hydrides and formation of strain induced hydrides
Chen, CQ; Li, SX; Li, GY; Al, SH
Corresponding AuthorChen, CQ(cqchen@imr.ac.cn)
2004-03-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume40Issue:3Pages:241-244
AbstractCyclic testes were conducted on commercially pure titanium with low hydrogen concentration, in which gamma hydrides dispersed homogenously. It was found that dislocations can transfer through the coherent interface and result in the plastic shear deformation of gamma hydrides. Because hydrogen atmosphere around dislocations can be dragged and move along with the dislocations, so hydrogen atoms diffuse preferentially along the slip bands. The process of slip band transfering through the hydrides accompanies the diffusion of hydrogen atoms along slip bands. The preexisting hydride may dissolve under the impingement of slip bands, due to the decrease of the localized hydrogen concentration. Also the dislocations with the hydrogen atmosphere may pile up at the hydride interface, and hence result in the increase of the hydrogen concentration, then strain induced hydrides would appear. The reversible transformation is considered to be diffusion-controlled and influenced by dislocations movement.
Keywordtitanium hydride cyclic straining dislocation strain induced hydride
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000220611700004
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/119956
Collection中国科学院金属研究所
Corresponding AuthorChen, CQ
AffiliationChinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Chen, CQ,Li, SX,Li, GY,et al. Microstructure of cyclically deformed titanium with low hydrogen concentration II. Dissolution of gamma hydrides and formation of strain induced hydrides[J]. ACTA METALLURGICA SINICA,2004,40(3):241-244.
APA Chen, CQ,Li, SX,Li, GY,&Al, SH.(2004).Microstructure of cyclically deformed titanium with low hydrogen concentration II. Dissolution of gamma hydrides and formation of strain induced hydrides.ACTA METALLURGICA SINICA,40(3),241-244.
MLA Chen, CQ,et al."Microstructure of cyclically deformed titanium with low hydrogen concentration II. Dissolution of gamma hydrides and formation of strain induced hydrides".ACTA METALLURGICA SINICA 40.3(2004):241-244.
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