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Buckling of Bridging Fibres in Composites

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Title: Buckling of Bridging Fibres in Composites
Authors: Wu, Hwai-Chung Browse this author
Matsumoto, Takashi Browse this author
Li, Victor C. Browse this author
Issue Date: 1-Dec-1994
Publisher: Springer
Journal Title: Journal of Materials Science Letters
Volume: 13
Issue: 24
Start Page: 1800
End Page: 1803
Publisher DOI: 10.1007/BF00776363
Abstract: In brittle materials such as concrete and ceramics, fiber reinforcement has beenwidely accepted as an effective way of improving their strength and toughness. In addition, a notable pseudo strain-hardening phenomenon can contribute to a significantly enhanced ductility of the composite when adequately designed fiber system is used. This condition was first proposed by Aveston et al. [1], and later extended by Marshall et al. [2] for continuous aligned fiber reinforced brittle matrix composites. More recently, further extension to randomly oriented discontinuous fiber reinforced composites have been presented [3,4]. Upon satisfying these conditions described in the above mentioned micromechanical models, the ultimate tensile strains of the composites are usually improved by two order of magnitude ( e.g. see [5], [6], [7]). The total fracture energy reaching 35 kJ/m2 was also reported for a 2% polyethylene fiber reinforced cement paste [8]. This kind of ductile fracture resembles metal instead of brittle materials.
Type: article (author version)
URI: http://hdl.handle.net/2115/45600
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松本 高志

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