MICROSTRUCTURE OF BIMETALLIC WIRE IN THE “ECAP-DRAWING” PROCESS
Volokitina I. Volokitin A. Naizabekov A. Lezhnev S. Panin E.
2021University of Chemical Technology and Metallurgy
Journal of Chemical Technology and Metallurgy
2021#56Issue 4857 - 866 pp.
Currently, there is a limited amount of work devoted to changing the microstructure of bimetallic wire during its deformation, since steel and copper have different mechanical properties, these metals at the interface can be deformed in different ways in order to remain “bound” to each other during drawing. Therefore, the purpose of this study is to study the evolution of the microstructure of bimetallic wire in the process of ECAP-drawing, both by simulation and experiment. In the course of computer modeling in the Deform program, correct models of the combined “ECAP-drawing” process for deforming a bimetallic wire with a “steel-copper”connection were obtained. During the complex experimental studies of the influence of ECAP-drawing on microstructure and mechanical properties of bimetallic wire the feasibility and effectiveness of using the proposed continuous method for forming UFG structure and improvement of the strength properties stalemates wire was proved.
bimetallic wire , computer simulation , ECAP-drawing , microstructure , severe plastic deformation
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Rudny Industrial Institute, 50 let Oktyabrya str. 38, Rudny, 111500, Kazakhstan
Karaganda Industrial University, 30 Republic str., Temirtau, 101400, Kazakhstan
Rudny Industrial Institute
Karaganda Industrial University
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