Bulg. J. Phys. vol.17 no.5 (1990), pp. 471-475


Modification of the Steel Surface by Powerful Electron Beam

G. Mladenov, P. Petrov, G.N. Grigorov, K.M. Kolev
Bulgarian Academy of Sciences, Institute of Electronics, 72 Lenin blvd, Sofia 1784
Abstract. This paper deals with research on microstructure, distribution of microhardness and Cr with electron beam treated specimens made of 40X steel. The results obtained show that the modifed areas have a multilayer structure, and the underlayer has microhardness 800-850 HV. In comparison with the basic metal, the Cr concentration in the above mentioned layer was found to be increased.

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