Pollution Research Paper

Vol.33, Issue 01, 2014; Page No.(165-170)

MECHANICAL BEHAVIOUR OF ENVIRONMENT FRIENDLY COMPRESSION MOLDED RANDOM AND WOVEN PLANT FIBRE POLYESTER COMPOSITE

S. BENJAMIN LAZARUS, V. VEL MURUGAN, AND S.V. SARAVANAN

Abstract

Commodity driven composites which are categorized as lower price composites are mostly made of natural fibre. Natural fibre composites are mainly price-driven commodity composites, which have useable structural properties at relatively low cost. The manufacture, use and removal of traditional composite structures usually made of glass, carbon and aramid fibres are considered critical because of the growing environmental consciousness. Therefore this research work involves eliminating the problem involved in the existing composite with the help of natural fibres, over traditional reinforcing fibres such as glass and carbon. The following work illustrates the manufacture and tested values of one such composite manufactured from a plant fibre which is used as green manuring plant called Crotalaria juncea. Retted fibres after alkali treatment is taken and plate preparation is done using polyester resin mixed with random orientation of the fibre of lengths 20,30,40 and 50mm to a weight of 21,28,31,35,42 and 45 grams as the first part. In the second stage woven orientation of biaxial, biaxially stitched and unidirectional mat, in 2 layers and 3 layers separately are mixed with polyester resin and plates are prepared. Both the stages are tested for tensile and flexural properties such that the breakeven value of each property is analyzed, and the results acquired derive the usefulness of the material for required application.

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