Evolution of microstructure and mechanical properties of a dissimilar aluminium alloy weldment - 文章详情页

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Scopus SCIE

摘要：

This　paper　reports　a　study　on　the　effect　of　heat　input　on　themicrostructure　and　mechanical　properties　of　dissimilar　aluminiumalloys　joint　by　MIGwelding.　The　two　alloys　used　are　6N01S-T5　and　7N01P-T4.　The　6N01S-T5　alloy　exhibited　two　distinctive　sub-zones　within　its　heat　affected　zone,　with　the　one　adjacent　to　the　unaffected　parent　alloy　being　theweakest　during　tensile　deformation.　The　remarkable　reduction　in　themechanical　properties　in　the　weakest　region　is　attributed　to　the　transformation　of　the　precipitates　upon　welding　from　smaller　sized　beta　＇＇　and　beta＇　precipitates　with　strong　strengthening　effect　to　larger　sized　beta　precipitate.　The　7N01P-T4　alloy　exhibited　nucleation　of　new　grains,　dissolution　of　precipitate,　and　loss　of　strength　in　the　heat　affect　zone.　(C)　2015　Elsevier　Ltd.　All　rights　reserved.

关键词：

EBSD Heat input Heat affected zone Aluminium alloys TEM MIG welding

作者机构：

[ 1 ] [Wang, Xiaodong]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 2 ] [Mao, Shengcheng]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 3 ] [Chen, Peng]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 4 ] [Zang, Ketao]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 5 ] [Zhang, Ze]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 6 ] [Han, Xiaodong]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 7 ] [Wang, Xiaodong]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 8 ] [Mao, Shengcheng]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 9 ] [Chen, Peng]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 10 ] [Zang, Ketao]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 11 ] [Zhang, Ze]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 12 ] [Han, Xiaodong]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 13 ] [Wang, Xiaodong]Chinese Peoples Armed Police Force, Dept Fundamental Sci, Langfang 065000, Peoples R China
[ 14 ] [Liu, Yinong]Univ Western Australia, Sch Mech & Chem Engn, Crawley, WA 6009, Australia
[ 15 ] [Ning, Jin]Chinese Acad Sci, Inst Semicond, Res Ctr Engn Semicond Integrated Technol, Beijing 100083, Peoples R China
[ 16 ] [Li, Haixin]GRIKIN Adv Mat Co Ltd, Beijing 102200, Peoples R China
[ 17 ] [Zhang, Ze]Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310008, Zhejiang, Peoples R China
[ 18 ] [Zhang, Ze]Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310008, Zhejiang, Peoples R China

通讯作者信息：

毛圣成
[Mao, Shengcheng]Beijing Univ Technol, Inst Microstruct & Property Adv Mat, Beijing 100124, Peoples R China

电子邮件地址：

scmao@bjut.edu.cn

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