ISSN: 0884-6804
CODEN: JCTRER
Published Online: 7 April 2003
Page Count: 12

Experimental Evaluation of Damping of Fiber-Reinforced Composites
Gupta, K
Professor, Indian Institute of Technology,

Chandra, R
Professor, Dr. B.R. Ambedkar, R.E.C.,

Singh, SP
Associate Professor, Indian Institute of Technology,

(Received 18 July 2001; accepted 20 January 2003)

Abstract

Anisotropic behavior of damping in fiber-reinforced composites is well established. An attempt is made to measure all the six loss factors for glass fiber-reinforced epoxy (three in normal and three in shear) experimentally using free decay method. Different types of specimen such as beam, tubular and cuboidal in shape made from glass fiber-reinforced epoxy are tested under different loading conditions. The six loss factors (η¹¹, η²², η³³, η¹², η¹³ and η²³) so determined are compared with the analytical results.

Keywords:
damping, loss factor, fiber-reinforced composite, beam, tubular, and cuboidal specimen, finite-element analysis

Paper ID: CTR10952J
DOI: 10.1520/CTR10952J
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