Comparative analysis is provided for features of structure and phase composition formation, hardness, roughness, and wear resistance of die steel 4Kh5MFS surface treated with a high-temperature pulsed plasma and laser radiation. It is established that after plasma treatment surface roughness Ra was 0.42–0.78 μm, and after laser treatment it was 1–1.17 μm. It is shown that after plasma treatment surface wear resistance is better than after laser treatment. Plasma treatment makes it possible to obtain surface hardness of the order of 840 HV that is 10% higher than after laser treatment. The data obtained indicate that pulsed sources of high-temperature plasma based on plasma accelerators may be considered as a promising tool for forming improved operating properties for a die steel 4Kh5MFS surface.
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This research was carried out with partial financial support from the Russian Foundation for Basic Research within the scope of scientific project 14-08-97517 r_tsentr_a and a Presidential grant for young scientific candidates of science, MK-3040.2015.8.
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Translated from Metallurg, No. 7, pp. 88–92, July, 2016.
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Aborkin, A.V., Vaganov, V.E., Klimov, N.S. et al. Treatment with a High-Temperature Pulsed Plasma and Laser Radiation for Die Steel Surface Layer Hardening. Metallurgist 60, 739–744 (2016). https://doi.org/10.1007/s11015-016-0360-1
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DOI: https://doi.org/10.1007/s11015-016-0360-1