1
Raymond P Ristau, Sudhangshu Bose, Alan D Cetel: Surface preparation process for deposition of ceramic coating. United Technologies Corporation, October 19, 2004: US06805750 (8 worldwide citation)

A method of surface cleaning and controlled oxidation of superalloys is described. The method provides a thin homogeneous layer of relatively pure alpha alumina which is suited to receive and adhere to a subsequent vapor deposited coating.


2
Ristau Raymond P, Bose Sudhangshu, Cetel Alan D: Surface preparation process for deposition of ceramic coating. United Technologies, January 5, 2000: EP0969122-A1 (1 worldwide citation)

A method of preparing a superalloy component to receive a ceramic thermal barrier coating without an intermediate bond coat is disclosed. The superalloy substrate is degreased, abrasively cleaned, ultrasonically cleaned, washed in an aqueous bath containing a wetting agent, rinsed at least once, and ...