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Compressive behavior of composite laminate with delamination and a quick mechanical repair

  • Beihang University
  • Shenyang Aerospace University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, the compressive behavior of the ZT7H/QY9611 composite laminates containing single delamination and a corresponding quick mechanical repair method for field repairing have been investigated both experimentally and by numerical calculation method. After the conduct of the test, the buckling mode and load as well as the failure mode and load were obtained. A parametric analysis was implemented using the finite element method (FEM) models. The results show that the delamination size and though thickness position have an influence on the buckling load and mode, and a mixed buckling mode composed of sub-laminate buckling and global buckling occurs with a delamination size of Ф60mm located in the 1/4 thickness position. It is concluded that the buckling load decreases with the increase of the delamination size and the decrease of the delamination position in the thickness direction, and the quick mechanical repair method has an obvious restraining effect on the sub-laminate buckling.

Original languageEnglish
Title of host publicationECCM 2018 - 18th European Conference on Composite Materials
PublisherApplied Mechanics Laboratory
ISBN (Electronic)9781510896932
StatePublished - 2020
Event18th European Conference on Composite Materials, ECCM 2018 - Athens, Greece
Duration: 24 Jun 201828 Jun 2018

Publication series

NameECCM 2018 - 18th European Conference on Composite Materials

Conference

Conference18th European Conference on Composite Materials, ECCM 2018
Country/TerritoryGreece
CityAthens
Period24/06/1828/06/18

Keywords

  • Composite laminate
  • Compressive
  • Delamination
  • Mechanical repair
  • Sub-laminate buckling

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