Physical modeling technological regimes of production deformed semi-finished products from experimental aluminium alloys alloyed by scandium
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https://www.scientific.net/MSF.918.54https://elib.sfu-kras.ru/handle/2311/111409
Author:
Баранов, В. Н.
Сидельников, С. Б.
Зенкин, Е. Ю.
Yakivyuk, O.
Corporate Contributor:
Институт цветных металлов и материаловедения
Кафедра общей металлургии
Кафедра обработки металлов давлением
Date:
2018-03Journal Name:
Materials Science ForumJournal Quartile in Scopus:
Q3Bibliographic Citation:
Баранов, В. Н. Physical modeling technological regimes of production deformed semi-finished products from experimental aluminium alloys alloyed by scandium [Текст] / В. Н. Баранов, С. Б. Сидельников, Е. Ю. Зенкин, O. Yakivyuk // Materials Science Forum. — 2018. — № 918. — С. 54-62Abstract:
The combination of weldability, corrosion resistance and sufficient strength make it possible to use deformed semi-finished products from the Al-Mg system alloys for sheathing ships’ hulls, in car, aircraft and rocket construction, as well as in other areas of industry. To increase the strength characteristics, it is promising to alloy them with small additives of metals such as titanium, zirconium, scandium, and others. In this paper, studies were carried out to obtain deformed semi-finished products (strips, rods and wires) from aluminum alloys in which the scandium content varied from 0.1 to 0.25%. For this purpose, various metal treatment conditions simulated in the laboratory of School of Non-Ferrous Metals and Material Science in Siberian federal university. For the preparation of sheet semi-finished products regimes of hot and cold rolling of a cast billet simulated from a thickness of 40 mm to a thickness of 3 mm. For the preparation of sheet semi-finished products, the modes of hot and cold rolling of the cast billet from a thickness of 40 mm to a thickness of 1-3 mm have been modeled. To produce a welding wire with a size of 2×2 mm, a combined casting and rolling-extruding (CCRE) process was simulated to produce a 9 mm billet and its further rolling in square gauges. Rods with a diameter of 9 mm were produced on a combined processing unit, and wire on a rolling mill with a roll diameter of 130 mm. In accordance with the research program, the mechanical properties of hot-deformed, colddeformed and annealed sheet semi-finished products were measured. Then the semi-finished products were welded together with the obtained wire and the quality and properties of the welded joint and their corrosion resistance were evaluated. Research results are currently used to develop industrial technologies for the production of sheets and plates from experimental alloys of the Al- Mg system doped with scandium. © 2018 Trans Tech Publications, Switzerland
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