Fatigue damage mechanics of composite materials III: prediction of post-fatigue strength


Spearing, S.M. and Beaumont, P.W.R. (1992) Fatigue damage mechanics of composite materials III: prediction of post-fatigue strength. Composites Science and Technology, 44, (4), 299-307. (doi:10.1016/0266-3538(92)90067-D).

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Description/Abstract

A damage-based model for post-fatigue notch strength is presented. The model is an extension of a method developed previously to predict the notch strength of laminated composites. A simple finite element representation of the notch tip damage zone is used to obtain the localized damage-modified stress distribution. A uniaxial tensile stress failure criterion is applied to the 0° plies from which the laminate strength is evaluated. In conjunction with the fatigue damage growth law described in Part II, residual strength is calculated as a function of the applied loading conditions, specimen geometry and lay-up for (90/0)s, (90/0)2s and (902/02)s T300/914C carbon-fibre/epoxy laminates subjected to tension-tension fatigue cycling.

Item Type: Article
ISSNs: 0266-3538 (print)
Related URLs:
Keywords: predicting post-fatigue strength, finite element analysis
Subjects: T Technology > T Technology (General)
Q Science > Q Science (General)
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 22854
Date Deposited: 30 Jan 2007
Last Modified: 27 Mar 2014 18:12
URI: http://eprints.soton.ac.uk/id/eprint/22854

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