EXPERIMENTAL RESEARCH OF THE EFFECT OF THE REGULAR SHAPED ROUGHNESS FORMATED BY USING NEW KINEMATICAL SCHEME FOR SURFACE PLASTIC DEFORMATION PROCESS ON THE NUMBER OF CYCLES TO FATIGUE FAILURE OF STAINLESS STEEL 304L (CR18NI8)
Slavov Stoyan Dimitrov (Ph.D., Assoc. prof., Department of Technology of Machine Tools and Manufacturing in Technical University of Varna, Bulgaria)
Dimitrov Diyan Minkov (Ph.D., Chief assistant, Department of Theoretical Mechanics in Technical University of Varna, Bulgaria)