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Scaling effects in the compression behavior of sandwich structures with corrugated composite cores

  • J. Zhou
  • , Z. Guan
  • , R. Umer
  • , S. Balawi
  • , W. J. Cantwell
  • University of Liverpool
  • Khalifa University of Science and Technology

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

This project considers the mechanical properties of sandwich structures manufactured using glass fibre/epoxy and carbon fibre/epoxy curvilinear cores. The sandwich samples were produced by wrapping composite prepreg plies around Teflon-coated metal cylinders. Composite skins were then attached to the cylinders and the resulting structures were cured in a hot press. This procedure resulted in a strong bond across the skin-core interface. The resulting compression behaviour of the sandwich structures was modeled using finite element techniques. The failure mechanisms during testing are elucidated and compared with those predicted by the FE models. The latter part of this investigation focuses on studying scaling effects in the response of both types of sandwich structure. Here, the geometry of the sandwich panels and the associated testing conditions, were adjusted appropriately to satisfy scaling laws. Following these tests, variations in compression strength and changes in failure mode are discussed.

源语言英语
主期刊名ECCM 2016 - Proceeding of the 17th European Conference on Composite Materials
出版商European Conference on Composite Materials, ECCM
ISBN(电子版)9783000533877
出版状态已出版 - 2016
已对外发布
活动17th European Conference on Composite Materials, ECCM 2016 - Munich, 德国
期限: 26 6月 201630 6月 2016

出版系列

姓名ECCM 2016 - Proceeding of the 17th European Conference on Composite Materials

会议

会议17th European Conference on Composite Materials, ECCM 2016
国家/地区德国
Munich
时期26/06/1630/06/16

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