Impactor Mass Effects in Glass-Epoxy Composites Subjected to Repeated Drop Tests

Sugun, BS and Rao, RMVGK (2004) Impactor Mass Effects in Glass-Epoxy Composites Subjected to Repeated Drop Tests. Journal of Reinforced Plastics and Composites, 23 (14). pp. 1547-1560.

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Abstract

Experimental studies were carried out to understand the impactor mass effects on glass-epoxy composites using an instrumented impact machine (DYNATUP 8250) under low-velocity test conditions. Repeated drop tests were carried out at pre-determined energy levels for selective mass height combinations. Number of drops to failure (N1) was chosen as the damage criterion. Analysis of test results clearly showed that, at low incident energies, heavier impactors caused more damage to the laminates as reflected by their lower number of drops to failure. This effect diminished gradually at relatively higher incident energies.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Sage Publications.
Uncontrolled Keywords: Glass-epoxy composites;Laminates;Impact tests;Impactors;Drop tests;Loading machines;Failure analysis;Damage detection
Subjects: CHEMISTRY AND MATERIALS > Composite Materials
Division/Department: Fibre Reinforced Plastics Division, Fibre Reinforced Plastics Division
Depositing User: Ms Indrani V
Date Deposited: 13 Dec 2005
Last Modified: 24 May 2010 09:39
URI: http://nal-ir.nal.res.in/id/eprint/875

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