Data underlying the article: Early fatigue damage accumulation of CFRP Cross-Ply laminates considering size and stress level effects

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DOI: 10.4121/21222371

Datacite citation style:

Xi Li; Rinze Benedictus; Dimitrios Zarouchas (2022): Data underlying the article: Early fatigue damage accumulation of CFRP Cross-Ply laminates considering size and stress level effects. Version 1. 4TU.ResearchData. dataset. https://doi.org/10.4121/21222371.v1

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Keywords

Acoustic emission Delamination Poisson’s ratio Stiffness degradation transverse cracking

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by Xi Li

, Rinze Benedictus, Dimitrios Zarouchas

Ply-block size and stress level effect on accumulation of transverse cracks and delamination are investigated during early fatigue life of CFRP laminates. Tension-tension fatigue tests under different stress levels were performed for two cross-ply configurations. Edge observation with digital cameras, digital image correlation and acoustic emission were employed for in-situ damage monitoring. Transverse cracks were dominant for [0/90₂]_s laminates with almost non-existent delamination, while different interactive levels between both damage mechanisms occurred for [0₂/90₄]_s laminates. Poisson’s ratio identifies whether early fatigue damage is dominant by transverse cracks or involves delamination. Cumulative AE energy is a helpful indicator of crack density.

History

2022-09-29 first online, published, posted

Publisher

4TU.ResearchData

Format

.xlsx; .txt

Associated peer-reviewed publication

Early fatigue damage accumulation of CFRP Cross-Ply laminates considering size and stress level effects

Organizations

TU Delft, Faculty of Aerospace Engineering, Structural Integrity & Composites Group

DATA

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