Analyses of Influencing Factors of Pore Formation during Resistance Spot Welding of Magnesium Alloy

Abstract:

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In order to obtain better understanding of the resistance spot weldability of magnesium alloy and provide some foundational information for improving mechanical properties of the magnesium alloy joint, the influencing factors of pore formation during resistance spot welding of magnesium alloy, such as preexisting pores in base material, hydrogen rejection, shrinkage strain and expulsion, were analyzed; the corresponding restraining measures were discussed. The analyses reveal that the shrinkage strain and expulsion are important factors in contributing to the formation of pores during resistance spot welding of magnesium alloy, and that the pore formation could be suppressed by adjusting welding parameters.

Info:

Periodical:

Advanced Materials Research (Volumes 291-294)

Edited by:

Yungang Li, Pengcheng Wang, Liqun Ai, Xiaoming Sang and Jinglong Bu

Pages:

2885-2888

DOI:

10.4028/www.scientific.net/AMR.291-294.2885

Citation:

Y. M. Tu et al., "Analyses of Influencing Factors of Pore Formation during Resistance Spot Welding of Magnesium Alloy", Advanced Materials Research, Vols. 291-294, pp. 2885-2888, 2011

Online since:

July 2011

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Price:

$35.00

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