Study of stress concentrations in woven composites
Study of stress concentrations in woven composites
The present paper provides a detailed micromechanical analysis of a plain woven composite. Geometrical and finite element modelling are carried out by accounting for the complicated architecture of the composite. Detailed modelling allows one to study the stress distributions and concentrations inside the composite. Plotted results clearly show the stress concentrations in the yams and in the matrix due to the interlacing and waviness (undulation) of the fabric. The term stress variation factor is used to study the effects of various characteristics of the composite on the stress concentrations. The results help to identify failure initiation and facilitate the study of the failure mechanism of the composite.
woven composite, repeating unit element, finite element modelling, waviness ratio, stress variation factor
198-214
Feng, Zheng-Nong
b7023c24-59c8-4d32-aced-e65bddd53471
Allen, Howard G.
54b9cf10-938f-4bc7-a287-7291d7027170
Moy, Stuart S.J.
d1b1f023-d32a-4b00-8a3f-17c89f91a51e
1999
Feng, Zheng-Nong
b7023c24-59c8-4d32-aced-e65bddd53471
Allen, Howard G.
54b9cf10-938f-4bc7-a287-7291d7027170
Moy, Stuart S.J.
d1b1f023-d32a-4b00-8a3f-17c89f91a51e
Feng, Zheng-Nong, Allen, Howard G. and Moy, Stuart S.J.
(1999)
Study of stress concentrations in woven composites.
Journal of Reinforced Plastics & Composites, 18 (3), .
(doi:10.1177/073168449901800301).
Abstract
The present paper provides a detailed micromechanical analysis of a plain woven composite. Geometrical and finite element modelling are carried out by accounting for the complicated architecture of the composite. Detailed modelling allows one to study the stress distributions and concentrations inside the composite. Plotted results clearly show the stress concentrations in the yams and in the matrix due to the interlacing and waviness (undulation) of the fabric. The term stress variation factor is used to study the effects of various characteristics of the composite on the stress concentrations. The results help to identify failure initiation and facilitate the study of the failure mechanism of the composite.
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Published date: 1999
Keywords:
woven composite, repeating unit element, finite element modelling, waviness ratio, stress variation factor
Identifiers
Local EPrints ID: 74527
URI: http://eprints.soton.ac.uk/id/eprint/74527
ISSN: 0731-6844
PURE UUID: bdd145a3-7c30-46ef-b2a5-53c8bfe67d73
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Date deposited: 11 Mar 2010
Last modified: 13 Mar 2024 22:34
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Contributors
Author:
Zheng-Nong Feng
Author:
Howard G. Allen
Author:
Stuart S.J. Moy
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