Preprint Article Version 1 This version is not peer-reviewed

Influence of the Quantity of Water Absorption in the Mechanical Properties of Jute Fiber and Glass Fiber Composites

Version 1 : Received: 24 May 2018 / Approved: 24 May 2018 / Online: 24 May 2018 (08:49:07 CEST)

How to cite: Dantas, C.M.; Freire Júnior, R.C.S.; Santos, J.K.D.D.; Silva, C.C.D.; Cöuras Ford, E.T.L. Influence of the Quantity of Water Absorption in the Mechanical Properties of Jute Fiber and Glass Fiber Composites. Preprints 2018, 2018050342 (doi: 10.20944/preprints201805.0342.v1). Dantas, C.M.; Freire Júnior, R.C.S.; Santos, J.K.D.D.; Silva, C.C.D.; Cöuras Ford, E.T.L. Influence of the Quantity of Water Absorption in the Mechanical Properties of Jute Fiber and Glass Fiber Composites. Preprints 2018, 2018050342 (doi: 10.20944/preprints201805.0342.v1).

Abstract

The use of plant fibers as reinforcement in composites with the aim of totally or partially replacing synthetic fibers has received significant attention in the last years. However, one of the disadvantages of the use of these fibers in polymeric composites is associated to the fact that they are hydrophilic, resulting in poor adhesion with most matrices when in the presence of moisture. In addition, another problem encountered is the lower strength of this type of fiber and, as a solution to minimize these problems, the composite can be hybridized by adding layers of natural and synthetic fibers and the use of resin protection along the thickness of the composite. (Lateral protection) to reduce moisture absorption by the laminate. The objective of this work is to obtain composites formed by five layers of reinforcement and terephthalic polyester matrix, one of which is reinforced only with short glass fiber-E blanket, another reinforced only with jute fiber and a third hybrid containing the fibers. Two types of reinforcements with interlayer layers. Afterwards, the loss of mechanical properties was observed when these materials were immersed in distilled water, with and without lateral protection, until reaching saturation. We evaluated parameters such as the influence of configuration type and environmental conditions, such as the amount of water absorption. The obtained results show that the hybrid composite obtained a behavior close to the composite containing only fiberglass, and better than the one containing only jute fiber and that the absorption was smaller in the samples with side protection.

Subject Areas

polymer composites; fiberglass; jute fiber; moisture absorption.

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