Modification of Microstrucure and Residual Stress on Friction Welding Surface of Titanium Alloy by Water-Jet Cavitation Peening

Dong Ying Ju; Xin Mao Fu; Shun Na; Bing Han; Xiao Hu Deng

doi:10.4028/www.scientific.net/AMR.317-319.429

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 317-319Modification of Microstrucure and Residual Stress...

Modification of Microstrucure and Residual Stress on Friction Welding Surface of Titanium Alloy by Water-Jet Cavitation Peening

Abstract:

Water jet cavitation peening is applied to improve the strength and mechanical properties of the friction-welded joints of titanium alloys. Scanning electron microscopy observations of the microstructure of the welded joints and welded area before/after water jet cavitation peening confirm slip dislocation at the microstructure near the surface of the specimens. The residual stress on the surface of the welded joint is measured by X-ray diffraction. The results indicate the effect of peening time on the strength of compressive residual stress.

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Periodical:

Advanced Materials Research (Volumes 317-319)

Pages:

429-435

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.317-319.429

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Online since:

August 2011

Authors:

Dong Ying Ju, Xin Mao Fu, Shun Na, Bing Han, Xiao Hu Deng

Keywords:

Cavitation Peening, Dislocation, Fatigue Strength, Grains, Surface Treatment

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References

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