A REVIEW ON GELCOAT USED IN LAMINATED COMPOSITE STRUCTURE

Abstract

Gelcoat are widely used to provide exterior protection for the finished part of fiber reinforced composite material. It is a primary focus to achieve proper gelcoat film thickness because it is a critical control point for crack prevention which is able to increase mechanical strength and withstand harsh environment. The interface between the gelcoat and laminate composite is similarly imperative in deciding the mechanical performance of the composite by controls the reintroduction of stress into component. There are no specified standard to verified that how much gel-coat thickness required to produce certain product since mostly research only focus on the enhancement of composite orientation and fiber combination. The aim of this review is to gain an in depth understanding of exactly the effect of gel-coat thickness on laminate composite structure and strength