Effect of alkali treatment on interfacial bonding in abaca fiber-reinforced composites

被引：295

作者：

Cai, Ming ^{[1
,2
]}

Takagi, Hitoshi ^{[3
]}

Nakagaito, Antonio N. ^{[3
]}

Li, Yan ^{[1
]}

Waterhouse, Geoffrey I. N. ^{[4
]}

机构：

[1] Tongji Univ, Sch Aerosp Engn & Appl Mech, Shanghai 200092, Peoples R China

[2] Univ Tokushima, Grad Sch Adv Technol & Sci, 2-1 Minamijosanjima Cho, Tokushima 7708506, Japan

[3] Univ Tokushima, Grad Sch Sci & Technol, 2-1 Minamijosanjima Cho, Tokushima 7708506, Japan

[4] Univ Auckland, Sch Chem Sci, Auckland 1142, New Zealand

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2016年 / 90卷

基金：

日本学术振兴会;

关键词：

Fibers; Polymer-matrix composites (PMCs); Interface; Surface treatments; MECHANICAL-PROPERTIES; CHEMICAL-MODIFICATION; FLEXURAL PROPERTIES; TENSILE PROPERTIES; SHEAR-STRENGTH; JUTE FIBERS; PULL-OUT; SISAL;

D O I：

10.1016/j.compositesa.2016.08.025

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Abaca fibers demonstrate enormous potential as reinforcing agents in composite materials. In this study, abaca fibers were immersed in 5, 10 or 15 wt.% NaOH solutions for 2 h, and the effects of the alkali treatments on the mechanical characteristics and interfacial adhesion of the fibers in a model abaca fiber/epoxy composite system systematically evaluated. After 5 wt.% NaOH treatment, abaca fibers showed increased crystallinity, tensile strength and Young's modulus compared to untreated fibers, and also improved interfacial shear strength with an epoxy. Stronger alkali treatments negatively impacted fiber stiffness and suitability for composite applications. Results suggest that mild alkali treatments (e.g. 5 wt. % NaOH for 2 h) are highly beneficial for the manufacture of abaca fiber-reinforced polymer composites. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：589 / 597

页数：9

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