Effect of surface microfibrillation of sisal fibre on the mechanical properties of sisal/aramid fibre hybrid composites

Surface microfibrillation of cellulose fibre was adopted as a facile method for improving cellulose fibre/phenolic resin interfacial adhesion in hybrid composites composed of sisal fibre and aramid fibre. Development of microfibrils and aggregates on the fibre surface significantly increased the int...

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Bibliographic Details
Published in:Composites. Part A, Applied science and manufacturing Applied science and manufacturing, 2011-03, Vol.42 (3), p.244-252
Main Authors: Zhong, Lin Xin, Fu, Shi Yu, Zhou, Xue Song, Zhan, Huai Yu
Format: Article
Language:English
Subjects:
A. Hybrid
A. Microfibrils
A. Sisal fibre
adhesion
Applied sciences
Aramids
Bonding strength
Cellulose
cellulosic fibers
Composites
E. Surface microfibrillation
Exact sciences and technology
Fibre
Forms of application and semi-finished materials
Hybrid composites
Phenolic resins
Polymer industry, paints, wood
Sisal
Technology of polymers
tensile strength
Wear resistance
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Summary:Surface microfibrillation of cellulose fibre was adopted as a facile method for improving cellulose fibre/phenolic resin interfacial adhesion in hybrid composites composed of sisal fibre and aramid fibre. Development of microfibrils and aggregates on the fibre surface significantly increased the interfacial adhesion between the sisal fibre and resin by providing a large contact area and by inhibiting the formation of spontaneous cracks in the composites. Consequently, the compression, tensile and internal bonding strengths, and wear resistance of the hybrid composites were remarkably improved. Surface microfibrillation of sisal fibre to a DM value of 24 °SR increased the tensile strength, internal bonding strength and wear resistance values of composites by 93%, 124% and 31%, respectively.
ISSN:1359-835X
1878-5840
DOI:10.1016/j.compositesa.2010.11.010