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Fatigue behavior of laminated composites with a circular hole under in-plane multiaxial loading

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Title Fatigue behavior of laminated composites with a circular hole under in-plane multiaxial loading
 
Creator SATAPATHY, MR
VINAYAK, BG
JAYAPRAKASH, K
NAIK, NK
 
Subject Fatigue modeling
Life prediction
Multiaxial fatigue
Circular hole
Polymer matrix composite
REINFORCED PLASTIC COMPOSITES
INTERLOCK WOVEN COMPOSITES
RESIDUAL PROPERTIES
RE-CONSOLIDATION
FAILURE ANALYSIS
LIFE PREDICTION
PART II
DAMAGE
FRACTURE
STRESS
 
Description A modified fiber failure fatigue model is presented for characterizing the behavior of laminated composites with a central circular hole under in-plane multiaxial fatigue loading. The analytical model presented is based on minimum strength model and fiber failure criterion under static loading available in the literature. The analysis starts with the determination of location of a characteristic curve around the hole and the stress state along the characteristic curve under in-plane multiaxial fatigue loading. Number of cycles to failure and location of failure are determined under given fatigue loading condition. Based on ply-by-ply analysis, ultimate fatigue failure and the corresponding number of cycles are determined. Analytical predictions are compared with the experimental results for uniaxial and multiaxial fatigue loading cases. A good match is observed. Further, studies are carried out for different in-plane biaxial tension-tension and biaxial compression-compression loading cases. (c) 2013 Elsevier Ltd. All rights reserved.
 
Publisher ELSEVIER SCI LTD
 
Date 2014-10-15T10:21:20Z
2014-10-15T10:21:20Z
2013
 
Type Article
 
Identifier MATERIALS & DESIGN, 51347-356
http://dx.doi.org/10.1016/j.matdes.2013.04.040
http://dspace.library.iitb.ac.in/jspui/handle/100/14732
 
Language en