11. Reviewing the benefits of utilizing AL–Mg–Sc alloys in Ukraine’s space rocket industry. Analysis of market factors

Автори: Yermolenko Ye. O., Mernikov H. I., Rudenko O. O., Bondarenko O. V.

Organization: Yangel Yuzhnoye State Design Office, Dnipro, Ukraine

Page: Kosm. teh. Raket. vooruž. 2025 (2); 93-104

Language: Ukrainian

Annotation: The article outlines the prospects, possibilities, and directions for the space rocket applications of aluminumscandium alloys in Ukraine. It also analyzes the potential of Ukraine as a supplier of aluminum-scandium alloys. The relevance and the scientifi c novelty of this study are determined by the need to fi nd new materials to replace traditional supplies, considering the aggravation of geopolitical confrontation (trade wars) between the PRC, USA, EU, Russian Federation, and other world powers in the markets of strategic raw materials. As part of the search for alternative materials and sources of import for the manufacturing of space rocket technologies, this paper studies the possibilities of using aluminum alloys with enhanced properties, namely: Al–Mg, Al–Li, Al–Cu–Li, Al–Si–Mg, Al–Sc, and Al–Mg–Sc alloys. The paper demonstrates that the physical, mechanical, and chemical properties of aluminum-scandium and aluminum-magnesium-scandium alloys fi t the operating conditions of space rocket technologies. Moreover, these alloys have many advantages and allow for the enhancement of principal technical parameters for space rocket technologies, such as structural perfection (reduction of the mass of structures, high manufacturing accuracy due to the fi ne grain size of alloys), reliability of operation under severe conditions (high strength and resistance to vibration, heat, and corrosion), and the possibility of repeated use (heat resistance and durability of alloys). The manufacturing of parts from these alloys does not diff er from traditional production processes. Aluminum-scandium alloys are easy to weld, press, and machine by cutting. The paper corroborates that Ukraine holds the potential to revive its production of aluminum-scandium alloys, as it possesses a functioning research base and professionals. Ukraine’s mineral and feedstock base for scandium enables the country to satisfy any needs of the space rocket industry. Until 1995, Ukraine operated a plant producing scandium-containing alloys from Ukrainian raw materials. The resumption of production requires investment and political will.

Key words: aluminum-scandium alloys, space rocket technologies, market research, aluminum alloy manufacturers, price indicators

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