United Technologies has been granted a patent for a coating comprised of 30%to 80%weight of a hard carbide material and 20%to 70%weight of a lubricating material incorporated with the hard car-bide material,wherein the thermal spray process is selected from a group consist-ing of a high-velocity oxyfuel process and a plasma spraying process,and wherein the hard carbide material and lubricat-ing material are co-sprayed onto the sub-strate.
Source:
http://www.coatingsworld.com/issues/2012-12/view_patents/united-technologies-patents-durable-coating/
