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Proceedings Paper

Damage of hybrid composite laminates
Author(s): Haleh Allameh Haery; Ho Sung Kim
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Paper Abstract

Hybrid laminates consisting of woven glass fabric/epoxy composite plies and woven carbon fabric/epoxy composite plies are studied for fatigue damage and residual strength. A theoretical framework based on the systems approach is proposed as a guide to deal with the complexity involving uncertainties and a large number of variables in the hybrid composite system. A relative damage sensitivity factor expression was developed for quantitative comparisons between non-hybrid and hybrid composites. Hypotheses derived from the theoretical framework were tested and verified. The first hypothesis was that the difference between two different sets of properties produces shear stress in interface between carbon fibre reinforced plastics (CRP) and glass fibre reinforced plastics (GRP), and eventually become a source for CRP/GRP interfacial delamination or longitudinal cracking. The second hypothesis was that inter-fibre bundle delamination occurs more severely to CRP sub-system than GRP sub-system.

Paper Details

Date Published: 9 August 2013
PDF: 13 pages
Proc. SPIE 8793, Fourth International Conference on Smart Materials and Nanotechnology in Engineering, 87931F (9 August 2013); doi: 10.1117/12.2027176
Show Author Affiliations
Haleh Allameh Haery, The Univ. of Newcastle (Australia)
Ho Sung Kim, The Univ. of Newcastle (Australia)

Published in SPIE Proceedings Vol. 8793:
Fourth International Conference on Smart Materials and Nanotechnology in Engineering
Jayantha A. Epaarachchi; Alan Kin-tak Lau; Jinsong Leng, Editor(s)

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