A Unit-Cell Approach for Predicting the Microbuckling Strength of Composites with Non-Uniform Fiber Imperfections under Combined Axial Compression and in-Plane Shear

Marek Romanowicz


A new micromechanical model for predicting the failure locus of long fiber composites under combined axial compression and in-plane shear is proposed. The model is based on a periodic unit cell with centrally located imperfections. Predictions of the compressive behavior for various biaxial loading ratios are made. The role of distribution of fiber imperfections in predicting the biaxial strength is discussed. The failure locus calculated from the new model is found to be in good agreement with experimental data available in the literature and less conservative than that from the periodic model with uniform imperfections.
Author Marek Romanowicz (FME / DMACS)
Marek Romanowicz,,
- Department of Mechanics and Applied Computer Science
Journal seriesJournal of Theoretical and Applied Mechanics, ISSN 1429-2955, (N/A 40 pkt)
Issue year2019
Pages 303-316
Publication size in sheets0.65
Keywords in Englishfiber-reinforced composites, buckling , micro-mechanics, finite element analysis
ASJC Classification2600 General Mathematics
URL http://jtam.pl/A-unit-cell-approach-to-prediction-of-the-microbuckling-strength-of-composites-with,104511,0,2.html
Internal identifier000045358
Languageen angielski
LicenseJournal (articles only); published final; Other open licence; with publication
Score (nominal)40
Score sourcejournalList
ScoreBUT score = 18.0
Ministerial score = 40.0, 04-03-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 0.881; WoS Impact Factor: 2018 = 0.771 (2) - 2018=0.965 (5)
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