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

Masahiro Kotani, Koutarou Nakamichi, Yusuke Yasufuku, Hiroyuki Kawada

研究成果: Conference contribution

抄録

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.

本文言語English
ホスト出版物のタイトルMulti-Functional Materials and Structures II
ページ1923-1926
ページ数4
DOI
出版ステータスPublished - 2009
イベント2nd International Conference on Multi-Functional Materials and Structures, MFMS-2009 - Qingdao, China
継続期間: 2009 10 92009 10 12

出版物シリーズ

名前Advanced Materials Research
79-82
ISSN(印刷版)1022-6680

Conference

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

ASJC Scopus subject areas

  • Engineering(all)

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