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On the Stiffness and the Reinforcement Effect of Electrical Resistance Strain Gauges

Journal Applied Mechanics and Materials (Volumes 3 - 4)
Volume Advances in Experimental Mechanics IV
Edited by J.M. Dulieu-Barton and S. Quinn
Pages 349-354
DOI 10.4028/www.scientific.net/AMM.3-4.349
Citation A. Ajovalasit et al., 2006, Applied Mechanics and Materials, 3-4, 349
Online since August, 2006
Authors A. Ajovalasit, L. D'Acquisto, S. Fragapane, B. Zuccarello
Keywords Experimental Mechanics, Reinforcement Effect, Stiffness, Strain Gauge
Abstract

The reinforcement effect of a strain gauge installed on low modulus materials can be significant. The increasing use of low modulus materials requires therefore the evaluation of such effect. This paper concerns the relationship between the local reinforcement effect and the strain gauge stiffness. The conclusion is that the gauge stiffness alone does not allow the user a thorough evaluation of the reinforcement effect.

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