In this investigation, the specific heat of four fabric reinforced hybrid composite materials with filled stratified epoxy matrix was analysed. All hybrid composite materials were made of 17 layers, for which were used carbon, aramid, glass and hybrid fabrics. The stratified filled epoxy matrix of fabric reinforced hybrid composites represents a matrix, in whose structure it was used three types of fillers mixtures between certain plies. The investigation of specific heat of hybrid composite materials was performed by using of Differential Scanning Calorimetry instrument. It was analysed the effects of fiber orientation at various angles on specific heat of fabric reinforced hybrid composites with filled stratified epoxy matrix and the influence of fillers mixtures on these thermal properties of epoxy matrix. Also, it was studied the specific heat of hybrid epoxy composites in dependence of carbon and aramid plies number in studied materials structure.
At present, the use of polymeric materials is so intense in our society, that we could consider ourselves to be living in the "polymer age". Due to their versatility, polymers are present in every step of our whole "infrastructure". It is a growing research field due to the need of extending the application horizon of polymers with the purpose of replacing other materials (e.g. metallic) that are predominantly used in certain industries. This article is a review that discusses both the classification of polymer materials and state-of-the-art research of other authors with respect to polymer blends.
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