Numerical study on buckling of Z-pinned composite laminates

Paper


Yan, Wenyi, Liu, Hong-Yuan and Mai, Yiu-Wing. 2004. "Numerical study on buckling of Z-pinned composite laminates." Ye, L., Mai, Yiu-Wing and Su, Z. (ed.) 4th Asian-Australasian Conference on Composite Materials (ACCM 4). Sydney, Australia 06 - 09 Jul 2004 Cambridge, United Kingdom. https://doi.org/10.1016/B978-1-85573-831-7.50056-0
Paper/Presentation Title

Numerical study on buckling of Z-pinned composite laminates

Presentation TypePaper
AuthorsYan, Wenyi (Author), Liu, Hong-Yuan (Author) and Mai, Yiu-Wing (Author)
EditorsYe, L., Mai, Yiu-Wing and Su, Z.
Journal or Proceedings TitleComposite Technologies for 2020
ERA Conference ID60079
Number of Pages6
Year2004
Place of PublicationCambridge, United Kingdom
ISBN9781855738317
Digital Object Identifier (DOI)https://doi.org/10.1016/B978-1-85573-831-7.50056-0
Conference/Event4th Asian-Australasian Conference on Composite Materials (ACCM 4)
Asian-Australian Conference on Composite Materials
Event Details
4th Asian-Australasian Conference on Composite Materials (ACCM 4)
Event Date
06 to end of 09 Jul 2004
Event Location
Sydney, Australia
Event Details
Asian-Australian Conference on Composite Materials
Abstract

Z-pinning is a newly developed technique to enhance the strength of composite laminates in the thickness direction. Recent experimental and theoretical researches manifest that z-pins can significantly improve mode I fracture toughness in double cantilever-beam tests and mode II fracture toughness in end-notched-flexure beam tests. From a practical point of view, buckling accompanying delamination is a typical failure mode in laminated composite structures. For the purpose of a complete understanding on the z-pinning technique towards an improvement of the mechanical behaviour of laminated composites, in the present study, a numerical approach is applied to investigate the buckling of z-pinned composite laminates with initial delaminations under compression. The numerical results indicate that z-pinning can effectively increase the compressive strength of composite laminates provided that the initial imperfection is within a certain range. The magnitude of the improvement is consistent with available experimental data.

Keywordslamination; delamination
ANZSRC Field of Research 2020400505. Construction materials
400510. Structural engineering
401706. Numerical modelling and mechanical characterisation
Public Notes

© 2004 Woodhead Publishing Limited. Neither this book nor any part may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming and recording, or by any information storage or retrieval system, without permission in writing from the publisher.

Byline AffiliationsComputational Engineering and Science Research Centre
University of Sydney
Institution of OriginUniversity of Southern Queensland
Book TitleComposites technologies for 2020: proceedings of the 4th Asian Australian conference on composite materials (ACCM 4)
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