Hardening of Bimetallic Wires from Secondary Materials Used in the Construction of Power Lines

Materials

Irina Volokitina¹  Alexandr Kolesnikov²  Natalia Vasilyeva³  Roman Fediuk⁴ 

[1] Department of Metallurgy and Mining, Rudny Industrial Institute, 111500 Rudny, Kazakhstan;Department of “Life Safety and Environmental Protection” M. Auezov, South Kazakhstan University, 160012 Shymkent, Kazakhstan;Mineral Raw Material Processing Faculty, Saint Petersburg Mining University, 199106 St. Petersburg, Russia;Polytechnic Institute, Far Eastern Federal University, 690922 Vladivostok, Russia;

关键词: severe plastic deformation;    bimetallic wire;    steel-copper wire;    microstructure;    mechanical properties;   

DOI  :  10.3390/ma15113975

来源: DOAJ

【 摘 要 】

Copper-sheathed steel wires combine the conductivity of copper and the traction resistance of steel, which makes a bimetallic wire an ideal material for the construction of power lines. Currently, there is a small number of studies devoted to the change in the microstructure of steel-copper wire during its strain. Since steel and copper have different mechanical properties, these metals at the interface can be deformed in different ways. Therefore, the present research is devoted to the study of ECAP-drawing process impacts on the properties of bimetallic steel-copper wire. During the conducted studies, the possibility and efficiency of using the combined strain technology for the formation of ultrafine grained structure and increased strength properties of steel-copper wire have been proved.

【 授权许可】

Unknown