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Effect of through-thickness compression on in-plane tensile strength of glass/epoxy composites: experimental study

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journal contribution
posted on 2015-12-14, 14:54 authored by Deng'an Cai, Guangming Zhou, Vadim SilberschmidtVadim Silberschmidt
The effect of through-thickness compression on in-plane tensile strength of glass/epoxy composites with random microstructure was investigated experimentally. The studied composite laminates were man- ufactured with a self-regulating Resin Transfer Moulding device. Their mechanical behaviour was assessed in pure in-plane tensile and through-thickness compressive tests, followed by biaxial tests combining both loading modes; indenters with a radius ranging from 5 to 25 mm were used to impose a compressive mode. The obtained results demonstrate a nonlinear decreasing trend for the in-plane tensile strength under the growing through-thickness compressive stress. All the failed specimens showed catastrophic brittle failure with a specific fracture orientation that mainly exhibited a tensile mode of fibre fracture for smaller radii of indenters and a combination of matrix crack, fibre fracture and typical shear failure for larger radii.

Funding

This work was supported by the Innovation Fund of Jiangsu Province on Industry-Academy-Research Cooperation (Grant No. BY2014003-10), the Priority Academic Program Development of Jiangsu Higher Education Institutions, the Funding of Jiangsu Innovation Program for Graduate Education (Grant No. KYLX_0222), and the Graduate Innovation Fund of NUAA (Grant No. kfjj201402).

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Polymer Testing

Volume

49

Pages

1 - 7

Citation

CAI, D., ZHOU, G. and SILBERSCHMIDT, V.V., 2016. Effect of through-thickness compression on in-plane tensile strength of glass/epoxy composites: experimental study. Polymer Testing, 49, pp. 1-7.

Publisher

© Elsevier

Version

  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

2015-10-22

Publication date

2015-10-30

Copyright date

2016

Notes

This paper was accepted for publication in the journal Polymer Testing and the definitive published version is available at http://dx.doi.org/10.1016/j.polymertesting.2015.10.015

ISSN

0142-9418

Language

  • en