Effects on residual stresses of Ti6Al4V alloy EBW by laser quenching

Jinzhong Lu; Yongkang Zhang

doi:10.1117/12.783129

14 November 2007 Effects on residual stresses of Ti6Al4V alloy EBW by laser quenching

Jinzhong Lu, Yongkang Zhang

Proceedings Volume 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 672227 (2007) https://doi.org/10.1117/12.783129
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

The surfaces of Ti6Al4V alloy EBW (Electron beam welding) were processed by CO₂ laser quenching, and residual stresses of EBW were measured with X-ray stress tester X-350A. The mechanism of residual stress was analyzed, the effects of assistant gas and laser power and spot diameter on residual stresses in EBW of Ti6Al4V alloy is investigated. Experimental results show that residual stresses in EBW are increased obviously by CO₂ laser quenching under the given laser parameters, which improve its mechanical performances.

Citation Download Citation

Jinzhong Lu and Yongkang Zhang "Effects on residual stresses of Ti6Al4V alloy EBW by laser quenching", Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 672227 (14 November 2007); https://doi.org/10.1117/12.783129

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