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MICROMECHANICAL MODELING OF DAMAGE DEVELOPMENT IN POLYMER COMPOSITES

Arabatti, T and Parambil, NK and Gururaja, S (2016) MICROMECHANICAL MODELING OF DAMAGE DEVELOPMENT IN POLYMER COMPOSITES. In: ADVANCED COMPOSITES LETTERS, 25 (3). pp. 56-62.

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Official URL: http://jrp.sagepub.com/content/33/17/1574.full.pdf

Abstract

Damage initiation and progression in long fibre unidirectional continuous polymer composites has been studied at the microscale considering a three dimensional repeating unit cell (3D-RUC) with square packing consisting of a single fibre in a polymer matrix. Three damage modes under static loading have been looked at, viz., matrix damage, fibre failure and fibre-matrix debonding. A progressive damage model for the matrix, fibre breakage model using maximum stress failure criterion and interface debonding using a traction-separation criterion via cohesive zone modelling (CZM) approach has been implemented. Homogenization of the said 3D-RUC has been conducted for various load cases that describes the averaged response of the microstructure under combined progressive damage modes.

Item Type: Journal Article
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Additional Information: Copy right for this article belongs to the ADCOTEC LTD, PREMIER HOUSE, STE 501, 77 OXFORD ST, LONDON W1R 1RB, ENGLAND
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 25 Aug 2016 05:06
Last Modified: 25 Aug 2016 05:06
URI: http://eprints.iisc.ernet.in/id/eprint/54379

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