26 April 2018 Microstructure and hardness of carbon and tool steel quenched with high-frequency currents
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In the course of high-temperature treatment with high-frequency currents (HFC) in the range from 600 to 1300 °C, carbon and tool steels are strengthened. After the heat treatment the hardness reaches 64-70 HRC for carbon steel (carbon content 0.4-0.5%) and 68-71 HRC for tool steel 1.3343 (R6M5 steel analogue with 0.9-1.0% C content, W – 5-6 wt%, Mo – 3.5-5.3 wt%, V – 1.3-1.8 wt%, Cr – 3.8-4.3 wt%, Mn+Si – 0.5-1 wt%, Fe – balance). The resulting structure is a carbide network, and in the case of tool steel – complex carbides around a high-strength martensitic phase.
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Aleksandr A. Fomin, Aleksandr A. Fomin, Maksim E. Fedoseev, Maksim E. Fedoseev, Pavel A. Palkanov, Pavel A. Palkanov, Aleksey V. Voyko, Aleksey V. Voyko, Marina A. Fomina, Marina A. Fomina, Vladimir A. Koshuro, Vladimir A. Koshuro, Andrey M. Zakharevich, Andrey M. Zakharevich, Svetlana G. Kalganova, Svetlana G. Kalganova, Igor V. Rodionov, Igor V. Rodionov, } "Microstructure and hardness of carbon and tool steel quenched with high-frequency currents", Proc. SPIE 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX, 107161N (26 April 2018); doi: 10.1117/12.2304638; https://doi.org/10.1117/12.2304638

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