High-speed thermal mapping of composite materials during different mechanical tests of ultimate strength

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Abstract

The release of energy within mechanical failure of composites results in significant transformation into heat. The measurement of heat allows understanding the sources behind the failure propagation. This work covers analysis of ultimate failure and measurements of infrared (IR) trace for composite specimens. The materials in this work cover carbon tow and laminates manufactured of carbon-fibre-epoxy and, for bonded specimens, epoxy film adhesive. The specimens tested include 1) carbon fibre tow, 2) tensile open-hole specimen, 3) compressive out-of-plane specimen, and 3) shear-lap adhesively bonded joint. The test machinery covers Split Hopkinson Pressure Bar test system for high-rate tests and universal testers for quasi-static tests. The IR data at high speed was measured by using a Telops Fast-IR M2K. The analysis for predicting failure locations was performed using finite element models and simulations using the Abaqus software and Altair multi-scale tools.
Original languageEnglish
Title of host publicationSampe Europe Conference Proceedings 2023
Subtitle of host publicationProceedings of SAMPE Madrid 2023 Conference
PublisherSAMPE Europe
Number of pages11
ISBN (Electronic)978-90-829101-9-3
Publication statusPublished - Oct 2023
Publication typeB3 Article in conference proceedings
EventSAMPE Europe International Conference - Madrid, Spain
Duration: 3 Oct 20235 Oct 2023

Conference

ConferenceSAMPE Europe International Conference
Country/TerritorySpain
CityMadrid
Period3/10/235/10/23

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