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TECHNICAL PAPERS

Study of Surface Residual Stress by Three-Dimensional Displacement Data at a Single Point in Hole Drilling Method

[+] Author and Article Information
Z. Wu, J. Lu

LASMIS, University Technologie de Troyes, 12 Rue Marie Curie-BP2060-10010, Troyes, Cedex, Francee-mail: lu@univ-troyes.fr

J. Eng. Mater. Technol 122(2), 215-220 (Oct 14, 1999) (6 pages) doi:10.1115/1.482790 History: Received September 29, 1997; Revised October 14, 1999
Copyright © 2000 by ASME
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References

Figures

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Schematic setup of an optical system combining moiré interferometry and Twyman–Green interferometry
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Ux field moiré pattern modified by carrier fringes of rotation with opposite fringe vectors
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Uz field fringe pattern modified by carrier fringes of rotation with orthogonal fringe vectors
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Schematic drawing of the shot peened specimen containing compressive residual stress
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Ux displacement field obtained from shot peened AS10U3NG aluminum alloy specimen with the hole radius of 1.0 mm and the hole depth of 0.3 mm
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Uy displacement field obtained from shot peened AS10U3NG aluminum alloy specimen with the hole radius of 1.0 mm and the hole depth of 0.3 mm
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Uz displacement field obtained from shot peened AS10U3NG aluminum alloy specimen with the hole radius of 1.0 mm and the hole depth of 0.3 mm
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Residual stress determined at the radial coordinate rc=1.2r0 and the angle interval θ=π/8 for AS10U3NG aluminum alloy specimen
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Potential application of the proposed method for planar nonuniform residual stresses

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