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Proceedings Paper

Study on the residual stress state of TA2 titanium sheet metal formed perpendicularly with single pulsed laser
Author(s): A. X. Feng; Y. K. Zhang; D. W. Zuo; D. J. Kong; J. Z. Lu; X. D. Ren; J. Z. Zhou; C. P. Tang; H. K. Xie
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Paper Abstract

Laser shock forming(LSF) is a new forming technique of sheet metal by applying a compressive shock wave on the surface of metal sheet. The plastic deformation of TA2 titanium metal sheet is performed under single laser shocking perpendicularly with Nd:Glass laser developed in Jiangsu University. The residual stress state in the horizontal and diagonal direction of the foursquare specimen, as well as the residual stress state in the radial direction of the circular specimen, was investigated with X-ray stress analyzer. The residual stress state of laser shock forming specimen is unique to some extent by contrast with traditional punch forming, which is influenced by the specimen shape and the deformation rate. The experiment results show that residual stresses value of TA2 Titanium Sheet Metal in laser shock area are up to 100MPa.Square specimen is more difficult to be formed than circular specimen, and the press value of cave is the larger than the one of convex.

Paper Details

Date Published: 23 December 2005
PDF: 6 pages
Proc. SPIE 6028, ICO20: Lasers and Laser Technologies, 60281G (23 December 2005); doi: 10.1117/12.667190
Show Author Affiliations
A. X. Feng, Jiangsu Univ. (China)
Y. K. Zhang, Jiangsu Univ. (China)
D. W. Zuo, Nanjiang Univ. of Aeronautics and Astronautics (China)
D. J. Kong, Jiangsu Univ. (China)
J. Z. Lu, Jiangsu Univ. (China)
X. D. Ren, Jiangsu Univ. (China)
J. Z. Zhou, Jiangsu Univ. (China)
C. P. Tang, Jiangsu Univ. (China)
H. K. Xie, Chengdu Tool Research Institute (China)

Published in SPIE Proceedings Vol. 6028:
ICO20: Lasers and Laser Technologies
Y. C. Chen; Dianyuan Fan; Chunqing Gao; Shouhuan Zhou, Editor(s)

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