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Achieving superior low-temperature superplasticity for lamellar microstructure in nugget of a friction stir welded Ti-6Al-4V joint
Wu, L. H.; Xue, P.; Xiao, B. L.; Ma, Z. Y.; Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-09-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume122Pages:26-30
AbstractA low-temperature superplasticity of 442% was achieved at 650 degrees C for a fully lamellar microstructure in the nugget of friction stir welded Ti-6Al-4V joint. More importantly, the nugget showed a comparable superplasticity >395%) to the base material at 800 degrees C and 1 x 10(-4) similar to 1 x10(-3) s(-1); especially at 3 x 10(-4) s(-1), both the elongation and flow stress of the nugget were similar to those of the base material, which provides the possibility of uniform superplastic forming of the entire weld. Good superplasticity in the lamella-structured nugget was mainly attributed to gradual globularization of the fine lamellae during static annealing, and superplastic deformation. (C) 2016 Elsevier Ltd. All rights reserved.
description.department[wu, l. h. ; xue, p. ; xiao, b. l. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
KeywordSuperplasticity Titanium Alloys Friction Stir Welding Lamellar Microstructure
Subject AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51471171, 51331008]
Indexed Bysci
Language英语
WOS IDWOS:000378959300007
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75765
Collection中国科学院金属研究所
Corresponding AuthorMa, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wu, L. H.,Xue, P.,Xiao, B. L.,et al. Achieving superior low-temperature superplasticity for lamellar microstructure in nugget of a friction stir welded Ti-6Al-4V joint[J]. SCRIPTA MATERIALIA,2016,122:26-30.
APA Wu, L. H.,Xue, P.,Xiao, B. L.,Ma, Z. Y.,&Ma, ZY .(2016).Achieving superior low-temperature superplasticity for lamellar microstructure in nugget of a friction stir welded Ti-6Al-4V joint.SCRIPTA MATERIALIA,122,26-30.
MLA Wu, L. H.,et al."Achieving superior low-temperature superplasticity for lamellar microstructure in nugget of a friction stir welded Ti-6Al-4V joint".SCRIPTA MATERIALIA 122(2016):26-30.
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