Interfacial characterisation and mechanical properties of heat treated non-woven kenaf fibre and its reinforced composites

被引：38

作者：

Ariawan, Dody ^{[1
]}

Salim, M. S. ^{[2
]}

Taib, R. Mat ^{[2
]}

Thirmizir, M. Z. Ahmad ^{[3
]}

Ishak, Z. A. Mohd ^{[2
,3
]}

机构：

[1] Univ Sebelas Maret, Engn Fac, Mech Engn Dept, Surakarta, Indonesia

[2] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Engn Campus, Nibong Tebal, Malaysia

[3] Univ Sains Malaysia, Cluster Polymer Composites CPC, Sci & Engn Res Ctr, Engn Campus, Nibong Tebal, Malaysia

来源：

COMPOSITE INTERFACES | 2018年 / 25卷 / 02期

关键词：

Kenaf fibre; heat treatment; surface roughness; composites; WATER-ABSORPTION; CRYSTALLINE-STRUCTURE; SURFACE MODIFICATION; CELLULOSE FIBERS; RESIN TRANSFER; PERFORMANCE; ALKALI; SOFT;

D O I：

10.1080/09276440.2017.1354562

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

This paper reports on the comprehensive characterisation of heat treated kenaf fibre (KF) and its composites. The kenaf fibres were modified by heating for 2.5-12.5h inside a drying oven. Heat treatment produces an increase in the crystallinity index and fibre strength of KF. The highest value of KF strength was recorded by applying heat treatment of 10h on KF. The heat treatment results in the partial removal of impurities/extractives on the KF surface which is detected by scanning electron microscopy and X-ray photoelectron spectroscopy. Atomic force microscopy results signify the decrease of roughness, the increase in peak area density and the increase of the adhesion force on the surface area of heat treated KF. The effect of the heat treatment in enhancing the interface bonding characteristics between the KF and unsaturated polyester matrix can be reflected by the interlaminar shear strength (ILSS) and dynamic mechanical analysis value of the composites. The flexural properties of the composites showed a similar trend to ILSS. However, the fracture toughness revealed contrasting results. Water absorption induced a drastic loss of the mechanical properties of the composites albeit better retention of properties was observed in the case of heat-treated KF composites.

引用

页码：187 / 203

页数：17

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