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Title: Effect of fillers on tensile strength of pultruded glass fiber reinforced polymer composite
Authors: Gupta, Anurag
Singh, Hari
Walia, R S
Keywords: Unsaturated polyester resin;Pultrusion process;Bagasse fiber;Carbon black;Calcium carbonate;Taguchi methods
Issue Date: Feb-2015
Publisher: NISCAIR-CSIR, India
Abstract: Glass fiber reinforced polymer composite have several advantages over steel and conventional concrete structures such as high strength-to-weight ratio, good stiffness, good corrosion resistance etc. Fillers and fibers are used as reinforcing element to enhance the mechanical properties of polymer composite. In this paper effect of fillers (carbon black, bagasse fiber and calcium carbonate (CaCO3) on tensile strength of pultruded glass fiber reinforced polymer (GFRP) composite has been investigated. All three fillers are mixed with each other according to design of experiment scheme and after proper mixing of these powder form fillers, from this filler mixture 15% of the resin weight is mixed in the unsaturated polyester resin matrix. Taguchi L9 orthogonal array (OA) has been used for experimentation and ANOVA is used for analyse. Experiments are performed on an indigenously designed and developed pultrusion process setup. It has been observed that as the bagasse fiber content increases the tensile strength of pultruded GFRP composite increases and tensile strength reduces with the increasing content of CaCO3 and carbon black. The optimum level of all three fillers are investigated and a confirmation experiment are performed which gives 291.5 MPa tensile strength of pultruded GFRP composite.
Page(s): 62-70
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.22(1) [February 2015]

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