SURFACE COATINGS ON CUTTING ELEMENTS

摘要

A method of forming a cutting element that includes placing at least one cutting element in an inner surface of at least one hollow tubular member such that at least a portion of the at least one cutting element is exposed; generating plasma within the hollow portion of the tubular; and depositing at least one refractory metal or sp3 carbon-containing coating on an exposed surface of the at least one cutting element is disclosed.