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Proceedings Paper

Study on residual stress of AISI304 TIG welding line with laser shock processing by x-ray stress analyzer
Author(s): Y. K. Zhang; D. J. Kong; S. M. Yin; A. X. Feng; J. Z. Lu; T. Ge
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Paper Abstract

The surface of AISI304 TIG welding line was processed by LSP (laser shock processing). The effects on the microstructure, hardness and residual stress of AISI304 welding line by LSP were observed, and its mechanical properties were researched by SEM (scanning electron microscope) and test device of mechanical property. Residual stresses of AISI304 TIG welding line by LSP were measured with Model X-350A X ray analyzer. The test results show that compressive residual stress values of AISI304 TIG welding line by LSP are about 110MPa. Strengthening effects of AISI304 TIG welding line by LSP is very obvious, and fatigue properties of welding line is improved, and tensile residual stresses of welding line are obviously reduced, the distribution of residual stress tends to equality, and service life of AISI304 TIG welding line is improved.

Paper Details

Date Published: 19 May 2006
PDF: 5 pages
Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61501L (19 May 2006); doi: 10.1117/12.676412
Show Author Affiliations
Y. K. Zhang, Jiangsu Univ. (China)
D. J. Kong, Jiangsu Univ. (China)
S. M. Yin, Jiangsu Univ. (China)
A. X. Feng, Jiangsu Univ. (China)
J. Z. Lu, Jiangsu Univ. (China)
T. Ge, Jiangsu Univ. (China)


Published in SPIE Proceedings Vol. 6150:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Xun Hou; Jiahu Yuan; James C. Wyant; Hexin Wang; Sen Han, Editor(s)

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