Study on Microstructure and Performance of Bonding-FSSW Hybrid Joints of AZ31 Magnesium Alloy

Cheng Gang Ding; Ya Qi Ni; Chuan Jun Guo; Gao Feng Quan

doi:10.4028/www.scientific.net/AMR.295-297.1915

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 295-297Study on Microstructure and Performance of...

Study on Microstructure and Performance of Bonding-FSSW Hybrid Joints of AZ31 Magnesium Alloy

Abstract:

In this paper a bonding-FSSW hybrid method is proposed and the performance and microstructure of bonding-FSSW joints of AZ31 aluminum alloy is examined . The results show that the bonding agent has little influence on the forming and mechanical property of FSSW nugget, the shear-resisting property of joints resulted from bonding with sealing glue and FSSW is equivalent to FSSW joints, in bonding-FSSW with high-strength bonding agent, the shear-resisting property of joints are apparently superior to that of pure FSSW or bonding joints. Tiny and uniform equiaxial grains are formed in the WN(Welding nugget zone) and coarse grains are formed in TMAZ (Thermomechanically affected zone) and HAZ (Heat affected zone), but with unequal size.

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Periodical:

Advanced Materials Research (Volumes 295-297)

Pages:

1915-1918

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.295-297.1915

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Online since:

July 2011

Authors:

Cheng Gang Ding, Ya Qi Ni, Chuan Jun Guo, Gao Feng Quan

Keywords:

AZ31 Magnesium Alloy, Bonding-fssw Hybrid, Microstructure of Joint, Shear-Resisting Property of Joints

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References

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