Experimental study of asymmetric rolling of HSS M2

A. Pesin; R. Vafin; D. Pustovoitov; A. Asylbaev; I. Sklizkov; D. Mamontov

doi:10.1117/12.2675474

28 June 2023 Experimental study of asymmetric rolling of HSS M2

A. Pesin, R. Vafin, D. Pustovoitov, A. Asylbaev, I. Sklizkov, D. Mamontov

Proceedings Volume 12720, 2022 Workshop on Electronics Communication Engineering; 127200V (2023) https://doi.org/10.1117/12.2675474
Event: 2022 Workshop on Electronics Communication Engineering (WECE 2022), 2022, Xi'an, China

Abstract

Asymmetric rolling is a process based on purposefully created differences in the circumferential speeds of the work rolls. For such a process, a degree of asymmetry is defined by a speed ratio (SR) of the work rolls. This research presents the experimental results of the effect of asymmetric rolling with high speed ratio (SR = 2.0; 2.5; 3.0) on the HSS AISI M2 behaviour during processing and on the change in the mechanical properties. Two types of asymmetric rolling were studied: 1) asymmetric warm rolling at temperatures 400, 500, 600, 700, 800 °C; 2) asymmetric hot rolling at 1100 °C. It was shown, that asymmetric rolling can be used as an effective technology for processing difficult-to-deform high-speed steels. Due to asymmetric rolling the number of passes was decreased by 5 times and at the same time the rolling force was also decreased by about 5 times compared with conventional (symmetric) rolling at the same temperature. The highest value of microhardness 790 HV (3 times higher than the initial value of microhardness) was achieved in HSS M2 after asymmetric hot rolling at 1100 °С and SR = 3. Carbides refinement with uniform distribution of them was also achieved. The results of investigation can be used for design of effective technology of manufacturing high-speed steels with improved microstructure and mechanical properties.

Citation Download Citation

A. Pesin, R. Vafin, D. Pustovoitov, A. Asylbaev, I. Sklizkov, and D. Mamontov "Experimental study of asymmetric rolling of HSS M2", Proc. SPIE 12720, 2022 Workshop on Electronics Communication Engineering, 127200V (28 June 2023); https://doi.org/10.1117/12.2675474

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KEYWORDS

Materials properties

Deformation

Heat treatments

Manufacturing

Metals

Materials processing

Surface properties

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