Estimating the Location and Depth of Normal Cracks in Cantilevers From Holographic Fringe Patterns

[+] Author and Article Information
S. Qin

Applied Simulation and Modeling Research, Motorola Inc., Schaumburg, IL 60196-1079

H. M. Shang, Q. H. Leong, C. E. Tee

Department of Mechanical and Production Engineering, National University of Singapore, Kent Ridge, Singapore 119260

J. Eng. Mater. Technol 121(3), 399-401 (Jul 01, 1999) (3 pages) doi:10.1115/1.2812393 History: Received October 12, 1996; Revised October 19, 1998; Online November 27, 2007


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.

Copyright © 1999 by The American Society of Mechanical Engineers
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