Micromechanics-based prediction of the failure locus of angle-ply laminates subjected to biaxial loading

Marek Romanowicz

Abstract

A mesoscale finite element model is presented for calculating the deformation and initial strength of angle-ply laminates subjected to biaxial tension and biaxial tension–compression. Using the concept that the whole laminate structure can be represented by a rhombohedral unit cell, predictions of the mechanical behavior for various biaxial loading ratios are made. Damage by microcracking at the fiber–matrix interface and shear band formation in the matrix are incorporated into the numerical simulations. The failure locus calculated from the mesoscale model is found to agree with experimental data available in the literature better than do theoretical predictions. Results of this study indicate that computational micromechanics can be used for detecting leakage failure in filament wound tubes.
Author Marek Romanowicz (FME / DMACS)
Marek Romanowicz,,
- Department of Mechanics and Applied Computer Science
Journal seriesJournal of Composite Materials, ISSN 0021-9983, (N/A 70 pkt)
Issue year2019
Pages1-11
Keywords in Englishangle-ply laminates, filament-wound tubes, biaxial strength, finite element analysis, computational micromechanics
ASJC Classification2210 Mechanical Engineering; 2211 Mechanics of Materials; 2503 Ceramics and Composites; 2505 Materials Chemistry
DOIDOI:10.1177/0021998319843631
Internal identifier000045356
Languageen angielski
Score (nominal)70
Score sourcejournalList
ScoreBUT score = 36.0, 07-08-2019, manual
Ministerial score = 70.0, 12-02-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.123; WoS Impact Factor: 2018 = 1.755 (2) - 2018=1.865 (5)
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