Modification of the near surface layer of carbon steels with intense argon and nitrogen plasma pulses

Sartowska, B.; Piekoszewski, J.; Walis, L.; Szymczyk, W.; Stanislawski, J.; Nowicki, L.; Ratajczak, R.; Kopcewicz, M.; Kalinowska, J.; Barcz, M.; Prokert, F.

Modification of the near surface layer of carbon steels with intense argon and nitrogen plasma pulses

Sartowska, B.; Piekoszewski, J.; Walis, L.; Szymczyk, W.; Stanislawski, J.; Nowicki, L.; Ratajczak, R.; Kopcewicz, M.; Kalinowska, J.; Barcz, M.; Prokert, F.; (Editors)

Series of carbon steels with various contents of carbon were irradiated with high intensity 5-6 J cm-2, short (µs range) nitrogen and argon plasma pulses. In all samples the near surface layer of the thickness in µm range was melted. The paper reports the results of investigation of changes induced by such treatment. The identified phases, profiles of retained nitrogen concentration, microhardness and wear resistance of the modified layer are presented and discussed.

Keywords: intense pulsed plasma beams; paramagnetic phases; expanded austenite; SEM; SIMS; CEMS; GXRD

Vacuum 78(2005)2-4, 181-186

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