Ultrasound influence on the physical and mechanical properties of wire at equal-channel angular broaching
https://doi.org/10.29235/1561-8323-2020-64-1-94-102
Abstract
The structure of ultrafine-grained materials obtained by deformation methods under the influence of ultrasonic vibrations is investigated; new methods of intense plastic deformation have been developed with the imposition of ultrasonic vibrations, allowing the formation of an ultrafine-grained structure in extended materials; optimal modes of plastic deformation and heat treatment were determined, allowing one to achieve the highest thermal stability and ductility in combination with high strength of materials. The designs of ultrasonic oscillatory systems for obtaining extended bulk nanostructured materials were developed, and a technological scheme of producing an ultrafine-grained wire using ultrasonic processing with equal-channel angular broaching was tested. It is shown that this process of deformation processing is industrially applicable, and can be combined into a single technological cycle with wire drawing. The results can be used in engineering, instrument making and cable industry.
Keywords
ultrasound,
ultrafine-grained materials,
plastic deformation,
strength,
ductility,
thermal stability,
structure,
wire
Supporting agencies: The work has been financially supported by the Belarusian Republican Foundation for Funda mental Research (grant no. Т19-067)
About the Authors
V. V. Rubanik
Institute of Technical Acoustics, National Academy of Sciences of Belarus
Belarus
Belarus
Rubanik Vasily V. - Corresponding Member, D. Sc. (Engineering), Head of the Laboratory.
13, General Ludnikov Ave., 210009, Vitebsk
Yu. V. Tsarenko
Institute of Technical Acoustics, National Academy of Sciences of Belarus
Belarus
Belarus
Tsarenko Yury V. - Ph. D. (Engineering), Deputy Director.
13, General Ludnikov Ave., 210009, Vitebsk
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