Effect of heat treatment on microstructure and tribological behavior of Ti?6Al?4V alloys fabricated by selective laser melting - 文章详情页

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EI SCIE

摘要：

In　this　paper,　the　effect　of　heat　treatment　(760?1060　?C)　on　tribological　behavior　of　selective　laser　melted　Ti6Al4V　alloy　against　Si3N4　counter-ball　under　different　applied　loads　was　investigated.　Results　show　the　wear　rate　of　as-built　Ti6Al4V　alloy　increased　firstly　and　then　gradually　decreased　with　increasing　the　heat-treatment　temperature,　which　obtained　the　lowest　value　when　the　heat　treatment　temperature　was　1060　?C,　exhibiting　the　best　wear　resistance.　The　higher　applied　load　led　to　larger　wear　rate　and　lower　coefficient　of　friction.　The　wear　mechanism　was　strongly　dependent　on　the　microstructure　transformation,　micro-hardness　and　applied　load,　which　was　discussed　in　detail.

关键词：

Applied loads Heat treatment Selective laser melting Ti6Al4V alloy Tribological behavior

作者机构：

[ 1 ] [Ju, Jiang]Shanghai Jiao Tong Univ, Shanghai Key Lab Adv High Temp Mat & Precis Formi, Shanghai 200240, Peoples R China
[ 2 ] [Kang, Maodong]Shanghai Jiao Tong Univ, Shanghai Key Lab Adv High Temp Mat & Precis Formi, Shanghai 200240, Peoples R China
[ 3 ] [Li, Jingjing]Shanghai Jiao Tong Univ, Shanghai Key Lab Adv High Temp Mat & Precis Formi, Shanghai 200240, Peoples R China
[ 4 ] [He, Lin]Shanghai Jiao Tong Univ, Shanghai Key Lab Adv High Temp Mat & Precis Formi, Shanghai 200240, Peoples R China
[ 5 ] [Wang, Jun]Shanghai Jiao Tong Univ, Shanghai Key Lab Adv High Temp Mat & Precis Formi, Shanghai 200240, Peoples R China
[ 6 ] [Wang, Chenchen]Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China
[ 7 ] [Zhao, Chunlei]Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China
[ 8 ] [Li, Jinlong]Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China
[ 9 ] [Fu, Hanguang]Beijing Univ Technol, Sch Mat Sci & Engn, Beijing 100124, Peoples R China

通讯作者信息：

[Kang, Maodong]Shanghai Jiao Tong Univ, Shanghai Key Lab Adv High Temp Mat & Precis Formi, Shanghai 200240, Peoples R China;;[Wang, Jun]Shanghai Jiao Tong Univ, Shanghai Key Lab Adv High Temp Mat & Precis Formi, Shanghai 200240, Peoples R China;;[Li, Jinlong]Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China

电子邮件地址：

junwang@sjtu.edu.cn

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