Metall. Res. Technol.
Volume 115, Number 2, 2018
|Number of page(s)||11|
|Published online||26 February 2018|
Combined process “helical rolling-pressing” and its effect on the microstructure of ferrous and non-ferrous materials
Rudny Industrial Institute,
Rudny, Republic of Kazakhstan
* email: email@example.com
Accepted: 8 December 2017
Ultrafine-grained materials are one of the most promising structural and functional materials. However, the known methods of obtaining them are not enough powerful and technologically advanced for profitable industrial applications. Development of the combined process “helical rolling-pressing” is an attempt to bring technology to produce ultrafine-grained materials to the industry. The combination of intense processing of the surface by helical rolling and the entire cross section of workpiece in equal channel angular matrix, with intense deformation by torsion between rolls and matrix will increase the degree of deformation per pass and allows to mutually compensate disadvantages of these methods in the case of their separate use. This paper describes the development of a laboratory stand and study of influence of combined process “helical rolling-pressing”on the microstructure of tool steel, technical copper and high alloy stainless high-temperature steel.
Key words: combined process / screw rolling-pressing / microstructure / mechanical properties / ultrafine-grained materials
© EDP Sciences, 2018
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