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Fabrication of large-bulk ultrafine grained 6061 aluminum alloy by rolling and low-heat-input friction stir welding
Liu, CY; Qu, B; Xue, P; Ma, ZY; Luo, K; Ma, MZ; Liu, RP; Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
2018
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume34Issue:1Pages:112-118
AbstractIn this study, the ultrafine grained (UFG) 6061 Al alloys fabricated by cold rolling were friction stir welded (FSW) with different rotation rates under both air cooling and rapid cooling in water. Low-heat-input parameters of 400 rpm rotation rate in water (400-Water) could effectively inhibit the coarsening of recrystallized grains, reduce the precipitation rate, and retain more dislocations of the UFG 6061 Al parent metal. 400-Water joint showed high lowest-hardness value, narrow low-hardness zone, and high tensile strength, attributing to the effect of dislocation, grain boundary, solid-solution, and precipitation hardening. This work provides an effective strategy to fabricate large-sized bulk UFG Al alloy by cold rolling with large deformation and low-heat-input FSW. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.; In this study, the ultrafine grained (UFG) 6061 Al alloys fabricated by cold rolling were friction stir welded (FSW) with different rotation rates under both air cooling and rapid cooling in water. Low-heat-input parameters of 400 rpm rotation rate in water (400-Water) could effectively inhibit the coarsening of recrystallized grains, reduce the precipitation rate, and retain more dislocations of the UFG 6061 Al parent metal. 400-Water joint showed high lowest-hardness value, narrow low-hardness zone, and high tensile strength, attributing to the effect of dislocation, grain boundary, solid-solution, and precipitation hardening. This work provides an effective strategy to fabricate large-sized bulk UFG Al alloy by cold rolling with large deformation and low-heat-input FSW. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
description.department[liu, c. y. ; xue, p. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [liu, c. y. ; qu, b.] guilin univ technol, minist educ, key lab new proc technol nonferrous met & mat, guilin 541004, peoples r china ; [luo, k.] guilin univ technol, guangxi key lab univ clean met & comprehens utili, guilin 541004, peoples r china ; [ma, m. z. ; liu, r. p.] yanshan univ, state key lab metastable mat sci & technol, qinhuangdao 066004, peoples r china
KeywordMechanical-properties Tensile Properties Mg Alloy Microstructure Strength Sheets Joints Composite Precipitation Features
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51601045]; Guangxi Natural Science Foundation [2015GXNSFBA139238]; Guangxi 'Bagui' Teams for Innovation and Research; National Basic Research Program of China [2013CB733000]; Collaborative Innovation Center for Exploration of Hidden Nonferrous Metal Deposits and Development of New Materials in Guangxi
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79609
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, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Liu, CY,Qu, B,Xue, P,et al. Fabrication of large-bulk ultrafine grained 6061 aluminum alloy by rolling and low-heat-input friction stir welding[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(1):112-118.
APA Liu, CY.,Qu, B.,Xue, P.,Ma, ZY.,Luo, K.,...&Ma, ZY .(2018).Fabrication of large-bulk ultrafine grained 6061 aluminum alloy by rolling and low-heat-input friction stir welding.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(1),112-118.
MLA Liu, CY,et al."Fabrication of large-bulk ultrafine grained 6061 aluminum alloy by rolling and low-heat-input friction stir welding".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.1(2018):112-118.
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