OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 25 No. 1 2023 Fig. 13. Microtopography of the surface of 0.5C-Cr-Ni-Mn steel specimens: a – initial, without treatment; b – after borocoppering for 3 hours; c – after borocoppering for 4 hours; d – after borocoppering for 5 hours а b c d
RkJQdWJsaXNoZXIy MTk0ODM1