Mechanical properties and microstructure of IF resistance spot welded joint of hot stamping 22MnB5 boron steel - Details

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Abstract：

Intermediate　frequency　resistance　spot　welding　was　used　in　hot　stamping　high　strength　steel　(HSHSS)　22MnB5　of　2　mm　thick　specimens,　obtaining　a　sound　connection　by　using　reasonable　welding　parameters.　The　microstructure　and　mechanical　properties　of　the　joints　of　IF　resistance　spot　welding　for　hot　stamping　22MnB5　were　analyzed.　Shearing　tension　and　cross　tension　tests　of　spot　welding　joints　were　carried　out.　Discussion　of　the　welding　performances　was　presented,　and　hardness　distribution　and　fracture　mode　of　the　joint　cross-section　were　tested　and　evaluated.　The　regulations　of　the　different　resistance　spot　welding　specifications　influencing　on　the　mechanical　properties　were　founded.　The　results　show　that　IF　resistance　spot　welding　joints　have　good　mechanical　properties　by　using　reasonable　IF　resistance　spot　welding　process　and　the　mechanical　performance　completely　meet　the　actual　need　of　products.

Keyword：

22MnB5; HSHSS; IF resistance spot welding; Mechanical property

Author Community：

[ 1 ] [Bai, S.-J.]Adv. Manufacturing Technol. for Automotive Structural Components Eng. Center of the Educ. Ministry, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Wang, C.]Adv. Manufacturing Technol. for Automotive Structural Components Eng. Center of the Educ. Ministry, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Chen, S.-J.]Adv. Manufacturing Technol. for Automotive Structural Components Eng. Center of the Educ. Ministry, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Yu, Y.]Adv. Manufacturing Technol. for Automotive Structural Components Eng. Center of the Educ. Ministry, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Lu, Z.-Y.]Adv. Manufacturing Technol. for Automotive Structural Components Eng. Center of the Educ. Ministry, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Bai, L.-L.]Adv. Manufacturing Technol. for Automotive Structural Components Eng. Center of the Educ. Ministry, Beijing University of Technology, Beijing 100124, China

Reprint Author's Address：

[Bai, S.-J.]Adv. Manufacturing Technol. for Automotive Structural Components Eng. Center of the Educ. Ministry, Beijing University of Technology, Beijing 100124, China

Email：

baishaojun@bjut.edu.cn

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Source ：

Journal of Beijing University of Technology

ISSN： 0254-0037

Year： 2013

Issue： 5

Volume： 39

Page： 666-670

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 2

Affiliated Colleges：

材料科学与工程学院本学院/部未明确归属的数据

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