Damage Evolution of Delayed Fracture in Woven GFRP under Hot Water Environment

Abstract:

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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.

Info:

Periodical:

Advanced Materials Research (Volumes 79-82)

Edited by:

Yansheng Yin and Xin Wang

Pages:

1923-1926

DOI:

10.4028/www.scientific.net/AMR.79-82.1923

Citation:

M. Kotani et al., "Damage Evolution of Delayed Fracture in Woven GFRP under Hot Water Environment", Advanced Materials Research, Vols. 79-82, pp. 1923-1926, 2009

Online since:

August 2009

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Price:

$35.00

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