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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), pp. 299-307. (doi:10.1016/0266-3538(92)90067-D).

Record type: Article


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.

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Published date: 1992
Keywords: predicting post-fatigue strength, finite element analysis


Local EPrints ID: 22854
ISSN: 0266-3538
PURE UUID: 321c5ca3-2511-46b1-b208-76c0c63ea1c2

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Date deposited: 30 Jan 2007
Last modified: 17 Jul 2017 16:20

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Author: S.M. Spearing
Author: P.W.R. Beaumont

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