The efficiency of the manufacturing methods for enhancing a surface quality and fatigue resistance of GTE discs made from alloy KhN73MBTYu-VD

摘要

The results of the investigations have been presented which testify to the extension of the endurance limit of intergroove protrusions by the action of the ultrasonic hardening with balls on surface layers of grooves in GTE discs made from alloyKhN73MBTYu-VD. This is caused by a reduction in the content of a abrasive particles resulted from the previous treatment, by a lowering in the extent of depletion of the surface due to the alloying elements, with a simultaneous increase in the uniformityof the stress-strain state of various sites on the grove surface.