Two parameters that are linearly related for a crack-free cantilever but cease to be so when a crack is present, are derived. A simple procedure for detecting the crack and assessing its location and depth is subsequently described.
Issue Section:
Technical Brief
1.
Erf, R. K., 1974, Holographic Nondestructive Testing, Academic Press, New York.
2.
Jones, R., and Wykes, C., 1989, Holographic and Speckle Interferometry—A Discussion of the Theory, Practice and Application of the Techniques, Cambridge University Press, second edition.
3.
Qin
S.
Shang
H. M.
Giam
C. L.
Tee
C. E.
1996
, “Holographic Evaluation of Edge Delamination in Bars Bonded to a Rigid Support With Foam-Adhesive
,” ASME JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY
, Vol. 118
, pp. 330
–334
.4.
Shang
H. M.
Lwin
M.
Tay
T. E.
1994
, “Holographic Inspection of Plates Containing Areas of Localised Thickness Variation
,” ASME JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY
, Vol. 116
, pp. 162
–167
.5.
Vest, C. M., 1979, Holographic Interferometry, Wiley, New York.
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