In this study the effect of stress field on delamination and fiber/matrix debonding in laminated composite panels is investigated from the micro-mechanical point of view by means of 3-D Finite Element Models. Specifically, the behavior of two-layer cross-ply symmetric laminates made up of SCS-6/Ti-24Al-11Nb Intermetallic Matrix Composite (IMC) during cooling from the processing temperature is studied. The results show that large plastic strains occur at the fiber/matrix interface at the fiber end on the laminate free edge which may eventually extend to the interface of the layers of the laminate inflicting delamination damage. This phenomenon is more serious at the corner areas of the laminate. It also can be shown that this situation is more serious for the four-layer laminate compared to the results of two-layer composite.
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ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
July 12–14, 2010
Istanbul, Turkey
Conference Sponsors:
- International
ISBN:
978-0-7918-4918-7
PROCEEDINGS PAPER
The Influence of Fiber/Matrix Debonding on Inelastic Micro-Mechanical Behavior of Cross-Ply IMC Composites
Hessamodin Teimouri,
Hessamodin Teimouri
Sharif University of Technology, Tehran, Iran
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Ali Abedian,
Ali Abedian
Sharif University of Technology, Tehran, Iran
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Hengameh Farahpour
Hengameh Farahpour
Sharif University of Technology, Tehran, Iran
Search for other works by this author on:
Hessamodin Teimouri
Sharif University of Technology, Tehran, Iran
Ali Abedian
Sharif University of Technology, Tehran, Iran
Hengameh Farahpour
Sharif University of Technology, Tehran, Iran
Paper No:
ESDA2010-25059, pp. 197-222; 26 pages
Published Online:
December 28, 2010
Citation
Teimouri, H, Abedian, A, & Farahpour, H. "The Influence of Fiber/Matrix Debonding on Inelastic Micro-Mechanical Behavior of Cross-Ply IMC Composites." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 4. Istanbul, Turkey. July 12–14, 2010. pp. 197-222. ASME. https://doi.org/10.1115/ESDA2010-25059
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