US 11,939,680 B2
Oxidation and wear resistant coating
Krishnamurthy Anand, Bangalore (IN); Surinder Singh Pabla, Greer, SC (US); Lacey Lynn Schwab, Greenville, SC (US); Biju Dasan, Bangalore (IN); Seung-Woo Choi, South Glastonbury, CT (US); Sathisha Chikkabikkodu Hanum, Bangalore (IN); Ravikiran Kopparthi, East Godavari (IN); and David Vincent Bucci, Simpsonville, SC (US)
Assigned to GE Infrastructure Technology LLC, Greenville, SC (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Mar. 8, 2023, as Appl. No. 18/180,624.
Application 18/180,624 is a continuation of application No. 17/461,136, filed on Aug. 30, 2021, granted, now 11,603,588.
Prior Publication US 2023/0227957 A1, Jul. 20, 2023
Int. Cl. C23C 4/18 (2006.01); C23C 4/073 (2016.01); C23C 4/11 (2016.01); F01D 25/00 (2006.01); F01D 25/24 (2006.01)
CPC C23C 4/18 (2013.01) [C23C 4/073 (2016.01); C23C 4/11 (2016.01); F01D 25/00 (2013.01); F01D 25/24 (2013.01); F05D 2300/121 (2013.01); F05D 2300/17 (2013.01); F05D 2300/2112 (2013.01); F05D 2300/605 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
applying a material coating to a surface of a machine component using a thermal spray, wherein the material coating is formed from a combination of a hardfacing material and aluminum-containing particles; and
thermally treating the material coating to generate an oxide layer comprising aluminum from the aluminum-containing particles, wherein the oxide layer is configured to reduce oxidation of the hardfacing material.