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Validation of stresses and stress intensity factor in a notched bilayer system under four point bending, as determined by the solution of the Navier’s equation

Mukherjee, S and Jayaram, V and Biswas, SK (2006) Validation of stresses and stress intensity factor in a notched bilayer system under four point bending, as determined by the solution of the Navier’s equation. In: International Journal of Mechanical Sciences, 48 (11). pp. 1287-1294.

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Abstract

We use a previously formulated solution of the Navier’s equation to calculate stress intensity factor in a notched bar bonded to a substrate. We evolve a procedure for determining the stress distribution. We validate the stress analysis in four-point bending by measuring surface strains for different combination of materials in the bilayer (the Young’s modulus ratio of the materials in the bilayer varied from 28 to 86). We also determine the stress intensity factor (SIF) experimentally using a notched photoelastic bar bonded to a substrate and validate our estimation of SIF.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier.
Keywords: Bilayer system;Notch;Stress analysis;Stress intensity factor;Experimental validation
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 19 Nov 2007
Last Modified: 19 Sep 2010 04:32
URI: http://eprints.iisc.ernet.in/id/eprint/8906

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