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EFFECT OF VARIOUS FORMS OF GLASS FIBER REINFORCEMENTS ON TENSILE PROPERTIES OF POLYESTER MATRIX COMPOSITE
Abstract
Unsaturated polyesters are important matrix resins used for glass fiber reinforced composites/plastics. The strength of fiber glass reinforced polyester composite is mainly related to the glass content of the material and the arrangement of glass fibers. In general, the higher the weight percent glass in the composites, the stronger is the reinforced composite.
Polyester matrix composites (PMC) have good specific strength, high thermal conductivity and low coefficient of thermal expansion at lower temperatures. They are being widely used for making boat hulls, building panels, structural panels for automobiles, plastic pipes, storage containers, etc.
In spite of having enough strength, they are not very stiff and do not display the rigidity that is necessary for certain applications such as for structural members for airplanes and bridges. Due to this reason, most of them are limited to service temperatures below 200 degree Celsius.
A detailed study of production and evaluation of properties of glass fiber reinforced polyester composites has been carried out by using various cross-sections of fibers in 1-ply, 2-ply and 3-ply sheets. The hand lay-up method has been chosen as the processing route for this purpose. PMC developed were evaluated in terms of their mechanical and metallurgical applications and characterized.
Polyester matrix composites (PMC) have good specific strength, high thermal conductivity and low coefficient of thermal expansion at lower temperatures. They are being widely used for making boat hulls, building panels, structural panels for automobiles, plastic pipes, storage containers, etc.
In spite of having enough strength, they are not very stiff and do not display the rigidity that is necessary for certain applications such as for structural members for airplanes and bridges. Due to this reason, most of them are limited to service temperatures below 200 degree Celsius.
A detailed study of production and evaluation of properties of glass fiber reinforced polyester composites has been carried out by using various cross-sections of fibers in 1-ply, 2-ply and 3-ply sheets. The hand lay-up method has been chosen as the processing route for this purpose. PMC developed were evaluated in terms of their mechanical and metallurgical applications and characterized.
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