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Parametric study of failure mechanisms and optimal configurations of pseudo-ductile thin-ply UD hybrid composites

Jalalvand, Meisam and Czél, Gergely and Wisnom, Michael R. (2015) Parametric study of failure mechanisms and optimal configurations of pseudo-ductile thin-ply UD hybrid composites. Composites Part A: Applied Science and Manufacturing, 74. pp. 123-131. ISSN 1359-835X

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Abstract

The effect of different parameters on the gradual failure and pseudo-ductility of thin UD hybrids is studied using an analytical method developed recently. Damage mode maps are proposed to show the effect of different geometric parameters for a specific material combination. This type of map is a novel and efficient method to find the optimum configuration of UD hybrids and also indicates the importance of thin layers to achieve the optimum geometric parameters in practice. The material parametric study reveals that there is always a trade-off between the "yield stress" and the amount of pseudo-ductility; higher yield stresses leads to lower pseudo-ductility and vice versa. However, application of high-stiffness fibres with high strengths as the low strain material can provide both better pseudo-ductility and yield stress.

Item type: Article
ID code: 62537
Keywords: B. delamination, B. fragmentation, C. damage mechanics, parametric study, Mechanical engineering and machinery, Ceramics and Composites, Mechanics of Materials
Subjects: Technology > Mechanical engineering and machinery
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Depositing user: Pure Administrator
Date deposited: 06 Dec 2017 11:43
Last modified: 26 Apr 2019 02:53
Related URLs:
URI: https://strathprints.strath.ac.uk/id/eprint/62537
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