Paper Title:
Study of Friction Stir Spot Welding of Steel/ Magnesium
  Abstract

Dissimilar metal of Steel and Magnesium alloy by friction stir spot welding is studied. Based on using orthogonal test method to optimize the process parameters and get satisfactory joint, SEM is used to observe the features of joint, fracture morphology, and XRD is used to determine the joint phase, and the results show that: the design of rotating tool without pin is reasonable and it can form satisfactory joints without keyhole for spot welding; spot welding nugget zone on the magnesium side shows the phenomenon of melting and solidification in the range of hundreds microns, and its microstructure appears a structure of dendrites; The fracture mode of spot welding joint is a mixed mode of cleavage and dimpled rupture.

  Info
Periodical
Advanced Materials Research (Volumes 239-242)
Edited by
Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He
Pages
417-421
DOI
10.4028/www.scientific.net/AMR.239-242.417
Citation
X. J. Wang, B. Q. Li, C. Q. Zhang, "Study of Friction Stir Spot Welding of Steel/ Magnesium", Advanced Materials Research, Vols. 239-242, pp. 417-421, 2011
Online since
May 2011
Export
Price
$32.00
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