Abstract
In this study, wear behaviours of fiber-reinforced and matrix composite materials are experimentally investigated under different speeds, loads and temperature. Composite materials were made of Kevlar-epoxy resin, glass fibre-epoxy resin and glass fibre -polyester resin materials. Tests were conducted for speeds of 0,390 and 0,557 m/s , at two different loads of 5N and 10N, respectively. Wear in the experiments was determined as lost in mass. In addition, the photographs of specimens were taken under the SEM and wear behaviours on these photographs were investigated. As a result of this study, it is shown that the applied load on the specimens has more effect on the wear than that of speed. The surface temperature plays an important role in the friction and wear of polymers and increases at higher sliding speeds and loads. The temperature of the specimens increased more with the increasing sliding speed and applied load, so the wear increases more with the temperature.
Highlights
In industry applications, increase in using composite materials causes that it is necessary to know behaviour of working conditions, so that wear is the most important parameter and its experimental behaviour must be known
There are two main characteristics which make these materials attractive comparing conventional metallic designs. They are of relatively low density and they can be tailored to have stacking sequences to provide high strength and stiffness in the direction of high loadings [8].Composite materials consist of a resin and reinforcement chosen according to desired mechanical properties and the application [9, 10]
The woven glass fibre-reinforced composites made of 425 gm-2 and 500 gm-2
Summary
Increase in using composite materials causes that it is necessary to know behaviour of working conditions, so that wear is the most important parameter and its experimental behaviour must be known. Wider choices of materials and manufacturing of GFRP still require a lot of handworks and are rather expensive make them an ideal case for engineering applications [2, 3, 4] On account of their good combinations of properties, fibre reinforced polymer composites are used in the automotive and aircraft industries, the manufacturing of spaceships and sea vehicles [5, 6]. There are two main characteristics which make these materials attractive comparing conventional metallic designs They are of relatively low density and they can be tailored to have stacking sequences to provide high strength and stiffness in the direction of high loadings [8].Composite materials consist of a resin and reinforcement chosen according to desired mechanical properties and the application [9, 10]. Materials working in places where wear properties are desired to be wear resisting
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