Paper Title:
A Preliminary Investigation on Friction Stir Spot Welding of Steel/Mg
  Abstract

Dissimilar metal of Steel and Magnesium alloy used for friction stir spot welding is studied. Based on using orthogonal test method optimizes the process parameters and gets satisfactory joints , SEM is used to observe the features of joint,XRD is applied 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 of spot welding. The performance of spot welding joint depends on the extent of diffusion of Zn and Mg and high weld consistency. There is small existence of intermetallics made of MgZn2,Mg0.97Zn0.03 in welding joint.The properties of joint depends on the intermetallics, Due to this,The microhardness of joint increases gradually from the magnesium side to steel side.

  Info
Periodical
Chapter
Mechanics in Tribology and Lubrication Engineering
Edited by
Aimin Yang, Jingguo Qu and Xilong Qu
Pages
529-533
DOI
10.4028/www.scientific.net/AMM.84-85.529
Citation
X. J. Wang, C. Q. Zhang, B. Q. Li, T. Li, "A Preliminary Investigation on Friction Stir Spot Welding of Steel/Mg", Applied Mechanics and Materials, Vols. 84-85, pp. 529-533, 2011
Online since
August 2011
Export
Price
$32.00
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