Determining power-energy parameters of combined rolling-extrusion process for low-plastic aluminium alloys
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http://www.rudmet.ru/journal/1728/article/29640/https://elib.sfu-kras.ru/handle/2311/111135
Автор:
Sidelnikov, S. B.
Galiev, R. I.
Bespalov, V. M.
Samchuk, A. P.
Коллективный автор:
Институт цветных металлов и материаловедения
Кафедра обработки металлов давлением
Дата:
2018Журнал:
Non-ferrous MetalsКвартиль журнала в Scopus:
Q3Библиографическое описание:
Sidelnikov, S. B. Determining power-energy parameters of combined rolling-extrusion process for low-plastic aluminium alloys [Текст] / S. B. Sidelnikov, R. I. Galiev, V. M. Bespalov, A. P. Samchuk // Non-ferrous Metals. — 2018. — Т. 44 (№ 1). — С. 30-36Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала.
Аннотация:
Presented are the results of theoretical study of energy-power parameters of combined rolling-andpressing
(CRP) process of press-products of AMg6 (АМг6), 01417, 8176 alloys.
Choice of these alloys is governed by the fact that their alloyage by different elements like titanium, iron,
lanthanum, cerium etc., causes difficulties on non-cutting sha ping and producing long-length semifinished
products of electrotechnical destination. It is shown that making such semifinished goods of these alloys
is non-manufacturable even with the use of traditional direct pressing operations on horizontal hydraulic
presses; it is characterized by increased labour-intensiveness and requires higher power inputs. In this
connection, the goal to be sought in this paper is to investigate possibility of processing the above mentioned
alloys by method of combined continuous rolling-extrusion (CRE) as well as to determine powe renergy
parameters of the process depending on varying temperature of semifinished product, degree and
rate of metal deformation.
The efforts, affecting the die and the rolls during combined processing has been calculated with the use
of rheological characteristics of selected alloys, determined by the hot torsion method; analysis of their
changes, depending on deformative and temperature-speed parameters for various combinations of the
groove and diameters of the die has been also carried out. Ascertained have been the changing mechanism
of energy-power parameters and their limiting value on realizing the process of combined rolling-extrusion
at the combined processing plants of different design in the given range of varying parameters. There also
has been made the recommendations on designing the technology of low-plastic alloys combined treatment
for a CCRE-4 (СЛиПП-4) experimental-industrial plant placed into operation at Irkutsk aluminium
smelter.