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RESEARCH PAPERS

Quantitative Determination of Stress and Strain Distributions During High Axial Compression of Aluminium With the Aid of Small Ruby Particles

[+] Author and Article Information
S. Hoekstra, M. A. Munnig Schmidt-van der Burg, H. Galenkamp, H. van Wijngaarden

Philips Research Laboratories, 5600 JA Eindhoven, The Netherlands

J. Appl. Mech 50(1), 194-198 (Mar 01, 1983) (5 pages) doi:10.1115/1.3166990 History: Received January 01, 1982; Revised June 01, 1982; Online July 21, 2009

Abstract

Line shift measurements of the sharp R1 ruby fluorescence line with respect to a neon reference line are used for the determination of quantitative stress distributions during high axial compression of cylindrical samples of aluminium between two transparent sapphire anvils. At the sample-anvil interface small ruby particles are embedded in the aluminium surface as optomechanical sensors for local stress and strain measurements. The experimental results are used to verify computer calculations based on the finite element method. The measurement technique was recently described by Brouha et al. [5, 6]. In this paper some modifications and new results will be presented and the use of pure sapphire anvils with a stress-sensitive top layer of ruby obtained by implantation of Cr3+ ions will be discussed.

Copyright © 1983 by ASME
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