In the recent years, the electric vehicles have drawn great attention worldwide as a feasible solution for clean transportation. The charging infrastructure for electric vehicles is expanding throughout the world, encouraged by large investments from the automotive industry, to reduce carbon emissions. The purpose of this paper is to design the shell of an electrical vehicle charger by using polymeric composite materials. The manufacturing technology is proposed and the analysis of the product behaviour during the wind action in extreme conditions is presented. The paper includes studies and research regarding the design, the manufacturing and the simulation for the action of wind upon the product�s walls. The simulations are performed for the actual used material (ordinary sheet steel) and for the proposed composite material in order to compare the results. The composite material seems to be an adequate solution for the electric charger shell.
The fiber-reinforced polymer composites are of great scientific and technical interest and a very impressive development. This justifies both the development of the research in this area, and the extension of the production of such materials.This paper presents research regarding three different composite materials, plates of carbon fibre, glass fiber and Kevlar in epoxy matrix. The mechanical characteristics of plates made of composite materials (CM) reinforced are presented. Based on the results, a comparative study between the reinforced materials used to manufacture the plates of CM is carried out.
Abstract. In the paper there is presented a case study of a cabinet barrier for a car parking. The materials used for manufacture are changed with polymeric composites. A design is proposed for the cabinet and a manufacturing technology is considered. The composite material is designed, realized and tested with tensile test ant three bending test and the results are presented.
Polymeric material's extrusion is a very complex manufacturing process opened for new research. In this paper the authors use for extrusionpolyamide 6.6reinforced with 20% glass fibres. This material offers very good mechanical, thermal and frictional proprieties. The improvement of these proprieties can be realized through the optimization of the extrusion process. Temperature is a very important parameter for obtaining good quality products, so to choose the proper values of it, is an interesting challenge. It was proved that the main influence upon the product's quality have the temperatures from the metering zone and from the forming zone so the optimization of these is of maximum importance for the quality of the products. The Response Surface Method (RSM), based onANOVA - Analysis of Variancemodel was used for optimization the temperatures from the metering zone and from the forming zone.
Abstract. The reinforced composite materials are in a very impressive development in the last decades. In this paper the influence of the plystacking sequence of glass fiber reinforced polymer on mechanical properties is investigated. Composite material structures consist of layers from glass mat and fabrics with different disposal sequence. The mechanical properties of the manufactured composite materials have been determined by tensile and bending tests. The obtained results are used to design the optimal materials architecture.
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