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Experimental Studies Regarding Mechanical Behaviour of Textile Reinforcements Laminated Composite Materials

The aim of this paper is to determine the mechanical properties of textile reinforcements laminated composite material and to establish the influence of thickness about these properties. The composite material used for this is a laminated sheet of HGW 2082. In order to study the mechanical behaviour of these kinds of materials we select two experimental tests: uniaxial test and bending test. For the uniaxial test we have measured the maximum load, the maximum extension, the maximum tensile stress and the maximum tensile strain. Also, using an optical extensometer we measured the major and the minor strains. For the bending test we measured the maximum load and the maximum bending deflection and the major and minor strains. After the uniaxial tension tests we can draw that we obtained the following results: the maximum value of the local major strain and equivalent strain decreases with the increase of the specimen thickness. After the bending test we can draw the following conclusions: the maximum value of the bending deflection decreases with the increase of the specimen thickness while the maximum value of the local major strain increases with the increase of the specimen thickness.