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Provides an overview of scientific and technical literature in the field of application of polymer composite materials in the automotive industry. The paper presents the history of the issue, as well as current trends in the field of materials, technologies and the technical solutions used to solve the assigned tasks. Taking into account world experience. examples are given and the prospects of using polymer composite materials and technologies for their processing developed for the aerospace industry in automotive industry are shown.

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Friction stir welding of butt joints of aluminum alloys is considered. It is experimentally determined, that when temperature and time parameters are violated, defects in the form of discontinuities are localized at the boundary of the weld and the base metal, due to incompatibility of deformations of the weld metal and the adjacent base material. Keywords friction welding with stirring, aluminum alloy, mode parameters, structure, defects, strength. feofanov.fan1@yandex.ru

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