Engineering & Technologies 1 (2015 8) 66-73 ~ ~ ~ УДК 621.777 Experience of Using and Application Prospects of Rolling-Extruding Process for Obtaining Semi-Finished Products from Aluminum Alloys Sergey B. Sidelnikov*, Nikolai N. Dovzhenko, Igor L. Konstantinov, Roman I. Galiev, Andrey L. Kiselev and Anton P. Samchuk Siberian Federal University 79 Svobodny, Krasnoyarsk, 660041, Russia Received 14.11.2014, received in revised form 16.01.2015, accepted 05.02.2015 Presented the experience of the application method of combined rolling-extruding of metals for obtaining semi-fi nished products from deformed and secondary aluminum alloys on combined treatment installations. <...> Research the structure and properties, and the possibility of obtaining hot-extruded semi-fi nished products from recycled aluminum alloy AV93. <...> All rights reserved * Corresponding author E-mail address: sbs270359@yandex.ru # 66 # Sergey B. Sidelnikov, Nikolai N. Dovzhenko… Experience of Using and Application Prospects of Rolling-Extruding… установках совмещенной обработки. <...> Introduction Traditional technology of obtaining long products using operations of rolling and extruding production is quite complicated and usually involves a large number of intermediate processing steps that increase the cost of metal production and reduce yield ratio. <...> Recently acquired special relevance works aimed at creating technologies for products in which different types of metal (casting, heat treatment, rolling, extrusion, etc.) are combined in one cycle. <...> However, these units are different complex structure, occupy a large area, power consumption, focused on high-volume production and is not suitable for all alloys, making them ineffective in a fast transition from one profi le to another. <...> Recently abroad to obtain profi les of a small section from aluminum and copper alloys are created mini-productions based on the technology of the new generation with the use of continuously extrusion (Conform, Extrolling, Linex) and continuous casting, rolling and pressing (Castex, Caster). <...> From the viewpoint of achieving high degrees of deformation for one operation, it is important to study the structure and, therefore, achieve high mechanical properties the most interesting is rollingextruding. <...> This fi rst treatment method called Extrolling been proposed and patented by B. Avitsur in 1976 and was a combination of rolling and pressing in a deformation <...>