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Author：

Yu, Y. (Yu, Y..) | Ji, Q.J. (Ji, Q.J..) | Yang, H.F. (Yang, H.F..) | Cui, X.J. (Cui, X.J..) | Zhao, H.Y. (Zhao, H.Y..) | Ding, Y.H. (Ding, Y.H..)

Indexed by：

EI Scopus

Abstract：

The　microstructure　and　properties　of　high　nitrogen　stainless　steel　welded　joints　under　different　flash　currents　were　studied　by　flash　butt　welding.　The　results　show　that,　the　flash　welding　parameters　have　obvious　influence　on　the　joint　structure　and　mechanical　properties.　The　joint　is　organized　into　symmetrical　distribution,　and　the　grains　obtained　in　the　interface　area　are　small,　mostly　pearlite　and　ferrite.　With　the　increase　of　flash　current,　grain　coarsening　in　overheated　zone　(OZ)　and　welding　zone　(WZ)　of　joint,　which　was　mainly　attributed　to　the　increase　of　welding　heat　input.　Martensite　exists　on　both　sides　of　the　weld,　in　which　the　hardness　reaches　the　peak.　The　tensile　strength　of　welded　parts　can　reach　up　to　97%　of　the　base　material,　and　the　fracture　is　in　the　form　of　ductile　fracture.　©　Published　under　licence　by　IOP　Publishing　Ltd.

Keyword：

Coarsening Ductile fracture Butt welding Flash welding Welded steel structures Welds Tensile strength Austenitic stainless steel

Author Community：

  • [ 1 ] [Yu, Y.]Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun; 130012, China
  • [ 2 ] [Ji, Q.J.]Key Laboratory of Advanced Structural Materials, Ministry of Education, Changchun University of Technology, Changchun; 130012, China
  • [ 3 ] [Yang, H.F.]State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin; 150001, China
  • [ 4 ] [Yang, H.F.]Shandong Provincial Key Laboratory of Special Welding Technology, Harbin Institute of Technology at Weihai, Weihai; 264209, China
  • [ 5 ] [Cui, X.J.]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Zhao, H.Y.]Shandong Provincial Key Laboratory of Special Welding Technology, Harbin Institute of Technology at Weihai, Weihai; 264209, China
  • [ 7 ] [Ding, Y.H.]Shandong Provincial Key Laboratory of Special Welding Technology, Harbin Institute of Technology at Weihai, Weihai; 264209, China

Reprint Author's Address：

  • [yang, h.f.]shandong provincial key laboratory of special welding technology, harbin institute of technology at weihai, weihai; 264209, china;;[yang, h.f.]state key laboratory of advanced welding and joining, harbin institute of technology, harbin; 150001, china

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ISSN： 1742-6588

Year： 2021

Issue： 1

Volume： 1777

Language： English

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count： 1

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 12

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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