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title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Resistance spot welding of high-strength aluminum alloys
Creators: name: Ð¯ÑÑÐ½Ð¾Ð², ÐÐ²Ð³ÐµÐ½Ð¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: ÐÐ»ÑÐ¼Ð¸Ð½Ð¸ÐµÐ²ÑÐµ ÑÐ¿Ð»Ð°Ð²Ñ
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description: The paper considers the technology of resistance spot welding of modern high-strength aluminum alloys used in rocket and space technology. The literature on the selection of the welding mode, as well as on the quality control of welded spot joints was analyzed. Tasks of the final qualifying work: - analysis of scientific and technical literature on modern high-strength aluminum alloys used in aircraft construction and rocket and space technology; - selection of welding equipment and welding mode; - analysis of mechanical characteristics and macrostructure of the resulting welded joint. Space launch vehicles (booster rockets) are complex technical transport systems designed to deliver payloads into outer space at specified orbits. In connection with the growing competition in the launch vehicle market, in particular, the development of a number of Falcon launch vehicles by the American private company SpaceX, as well as rocket engines for them, the issue of modernization and development of new domestic promising and competitive transport systems is very important. The choice of structural materials for such systems, as well as the methods of welding and assembly of such promising structures, are the most important stages in the modernization and creation of new types of aircraft. Due to the growing competition in the launch vehicle market, in particular, the development of a number of Falcon launch vehicles by the American private company SpaceX, as well as rocket engines for them, the issue of modernization and development of new domestic promising and competitive transport systems is very important. Choice of construction materials for such systems, as well as methods of welding and assembly of such prospective structures are an important step in the modernization and creation of new types of aircraft. Were considered and selected promising for the rocket and space industry aluminum alloys, both heat-hardened and not. It was selected optimal mode of resistance spot welding, welding is performed and the subsequent analysis of the macrostructure and mechanical properties of welded joints in accordance with industry standards.