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Author:

Chen, Shujun (Chen, Shujun.) (Scholars:陈树君) | Jiang, Xiaoqing (Jiang, Xiaoqing.)

Indexed by:

EI Scopus SCIE

Abstract:

Microstructure evolution has been investigated for magnetic pulse welding of dissimilar aluminium and magnesium alloys using optical microscopy, laser confocal microscopy and electron backscatter diffraction. The welded joints were made with discharge voltages of 4 kV, 4.5 kV and 5 kV and they are characterised by the aluminium region, the weld interface and the magnesium region. The interfacial waves become more regular and much smoother with increasing discharge voltage from 4 kV to 5 kV. The grains were extremely refined and the grain size became larger with increasing distance to the weld interface at a discharge voltage of 5 kV. The gradual grain refinement closer to the weld interface can be attributed to dynamic recrystallization. Different recrystallization behaviour was observed for the aluminium region and the magnesium region near the weld interface. The occurrence of the extension twinning {1 0 (1) over bar 2} in the dynamic recrystallized grains indicating twin related dynamic recrystallization behaviour in the magnesium region near the weld interface. (C) 2015 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.

Keyword:

Dynamic recrystallization Dissimilar aluminium Microstructure evolution Twinning magnesium alloys Magnetic pulse welding

Author Community:

  • [ 1 ] [Chen, Shujun]Beijing Univ Technol, Welding Res Inst, Beijing 100124, Peoples R China
  • [ 2 ] [Jiang, Xiaoqing]Beijing Univ Technol, Welding Res Inst, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Jiang, Xiaoqing]Beijing Univ Technol, Welding Res Inst, Beijing 100124, Peoples R China

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Source :

JOURNAL OF MANUFACTURING PROCESSES

ISSN: 1526-6125

Year: 2015

Volume: 19

Page: 14-21

6 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:174

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 44

SCOPUS Cited Count: 51

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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