Microstructure Evolution of Ti-6Al-4V Laser Weld Joint HAZ in Superplastic Deformation Process

Zhi Jiang Huang; Long Chen; Dong Hai Cheng; Yi Ping Chen; Dean Hu

doi:10.4028/www.scientific.net/AMM.511-512.59

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 511-512Microstructure Evolution of Ti-6Al-4V Laser Weld...

Microstructure Evolution of Ti-6Al-4V Laser Weld Joint HAZ in Superplastic Deformation Process

Abstract:

Microstructure of Ti-6Al-4V laser weld joint heat affected zone was observed. The results suggested that the heat affected zone microstructure first transformed to lamellar structure, then the grain growth and transformed to equiaxial grains. At the same temperature, the grain growth rate was faster at lower deformation rate, and the microstructure was more uniform.

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Periodical:

Applied Mechanics and Materials (Volumes 511-512)

Pages:

59-62

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.511-512.59

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Online since:

February 2014

Authors:

Zhi Jiang Huang, Long Chen, Dong Hai Cheng, Yi Ping Chen, Dean Hu

Keywords:

Microstructure, Superplastic Deformation, Teat Affected Zone

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References

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