Numerical study of the transition from stable to unstable crack propagation of composites with fibre bridging

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Abstract

The development and implementation of a damage-tolerant approach to composites necessitates approaches to predict when stable crack growth becomes unstable, i.e., catastrophic failure. Here, an approach that takes into account the material and structural response to crack propagation is investigated. This approach is carried out using a novel cohesive zone model to model delamination of composites exhibiting large-scale fibre bridging. Using a criterion proposed in the present work, a critical crack length was identified for a DCB specimen under load-control.
Original languageEnglish
Title of host publication45th Risoe International Symposium on Materials Science
Number of pages11
PublisherIOP Publishing
Publication date2025
Article number012006
DOIs
Publication statusPublished - 2025
Event45th Risoe International Symposium on Materials Science - Copenhagen, Denmark
Duration: 1 Sept 20254 Sept 2025

Conference

Conference45th Risoe International Symposium on Materials Science
Country/TerritoryDenmark
CityCopenhagen
Period01/09/202504/09/2025
SeriesIOP Conference Series: Materials Science and Engineering
Volume1338
ISSN1757-8981

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