%0 Journal Article %T Plant for chemical thermal treatment and ultrasonic impact for surface layer strengthening in steel parts %A Nigmetzyanov, R.I. %A Morshchilov, M.V. %A Perekryostova, V.A. %A Sergeev, I.D. %A Sukhov, A.V. %K ultrasound, transmitter of membrane type, chemical thermal treatment, nitride hardening, surface layer %J Science intensive technologies in mechanical engineering %D 2018 %N 2018 %P 5 %I Bryansk State Technical University