Effects of bending cyclic load on mechanical properties of 2D Carbon cloth laminated C/C composites

Xi Yang, Hejun Li, Kuahai Yu

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

2 Scopus citations

Abstract

Bending cyclic fatigue tests of 2D laminated C/C composites were conducted under load control at a sinusoidal frequency of 10 Hz. And three-point bending tests of fatigued specimens with various cycles were conducted at room temperature to evaluate the effects of cyclic load on mechanical properties. 2D C/C specimens were prepared by an isothermal chemical vapor deposition (CVD) process. The mechanical properties of composites were improved after cyclic loading at most the flexural strength by about 46% and the modulus 38%. The results show that the flexural properties of C/C composites were enhanced with the increase in fatigue cycles. It is suggested that the weakened interface between matrix and fibers by cyclic load play important roles in enhancing the property of C/C composites.

Original languageEnglish
Title of host publicationMechatronics and Applied Mechanics
Pages792-795
Number of pages4
DOIs
StatePublished - 2012
EventMechatronics and Applied Mechanics - Hong Kong, Hong Kong
Duration: 27 Dec 201128 Dec 2011

Publication series

NameApplied Mechanics and Materials
Volume157-158
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

ConferenceMechatronics and Applied Mechanics
Country/TerritoryHong Kong
CityHong Kong
Period27/12/1128/12/11

Keywords

  • Carbon-carbon composites
  • Fatigue
  • Mechanical properties

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