Damage evolution of delayed fracture in woven GFRP under hot water environment

Masahiro Kotani, Koutarou Nakamichi, Yusuke Yasufuku, Hiroyuki Kawada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Present paper deals with the delayed fracture in woven GFRP underwater at elevated temperature. The tensile test of GFRP after water immersion was conducted to evaluate the residual strength ater immersion at various water temperatures. The residual strength of GFRP decreased with the increase in the water temperature and the immersion time. In fact, the transition in failure mode with water immersion was ascertained from SEM observation of the fracture surface. Additionally, creep test in air and under hot water at 95°C was conducted. The creep rupture time decreased drastically with water immersion, in contrast, creep rupture wasn't observed from the creep test in air. It was clarified that the water immersion generated the transition in the failure mode of GFRP and therefore led to the acceleration of the strength degradation.

Original languageEnglish
Title of host publicationMulti-Functional Materials and Structures II
Pages1923-1926
Number of pages4
DOIs
Publication statusPublished - 2009 Dec 1
Event2nd International Conference on Multi-Functional Materials and Structures, MFMS-2009 - Qingdao, China
Duration: 2009 Oct 92009 Oct 12

Publication series

NameAdvanced Materials Research
Volume79-82
ISSN (Print)1022-6680

Conference

Conference2nd International Conference on Multi-Functional Materials and Structures, MFMS-2009
CountryChina
CityQingdao
Period09/10/909/10/12

Keywords

  • Creep behavior
  • GFRP
  • Stress corrosion cracking
  • Water environment

ASJC Scopus subject areas

  • Engineering(all)

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