Paper Title:

Effect of Water Absorption Rates on Fracture Toughness of Sisal Textile Fiber Reinforced Composites

Periodical Key Engineering Materials (Volumes 297 - 300)
Main Theme Advances in Fracture and Strength
Edited by Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim
Pages 213-218
DOI 10.4028/www.scientific.net/KEM.297-300.213
Citation Yang Bae Jeon et al., 2005, Key Engineering Materials, 297-300, 213
Online since November, 2005
Authors Yang Bae Jeon, Do Won Seo, Jae Kyoo Lim
Keywords Fracture Toughness, Natural Fiber Reinforced Composites, Natural Fibre, Sisal Fiber, Water Absorption Rates
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Abstract

Using natural fibers that are inexpensive, lightweight and biodegradable, as the reinforcement for composites is difficult due to their poor interfacial properties between hydrophilic fiber and hydrophobic polymer matrices. It is necessary to evaluate fracture toughness of natural fiber reinforced composites according to water absorption rates to improve mechanical performance of those. In this study, compact tension fracture test was conducted to evaluate fracture toughness with the various specimens. The value of fracture toughness has the tendency to decrease as water absorption rate increases. And different surface treatment methods and different polymer matrices have influence on the value of fracture toughness.