US 11,939,646 B2
Corrosion and wear resistant nickel based alloys
James Vecchio, San Diego, CA (US); Justin Lee Cheney, Encinitas, CA (US); Jonathon Bracci, Carlsbad, CA (US); and Petr Fiala, Fort Saskatchewan (CA)
Assigned to OERLIKON METCO (US) INC., Westbury, NY (US)
Appl. No. 17/288,186
Filed by Oerlikon Metco (US) Inc., Westbury, NY (US)
PCT Filed Oct. 25, 2019, PCT No. PCT/US2019/058080
§ 371(c)(1), (2) Date Apr. 23, 2021,
PCT Pub. No. WO2020/086971, PCT Pub. Date Apr. 30, 2020.
Claims priority of provisional application 62/751,020, filed on Oct. 26, 2018.
Prior Publication US 2021/0404035 A1, Dec. 30, 2021
Int. Cl. C22C 19/05 (2006.01); C23C 4/06 (2016.01)
CPC C22C 19/056 (2013.01) [C23C 4/06 (2013.01)] 20 Claims
 
1. A hardfacing layer formed from a feedstock material, comprising:
Ni; and
a corrosion resistant matrix which is characterized by having, under thermodynamic equilibrium conditions:
hard phases of 1,000 Vickers hardness or greater totaling 5 mol. % or greater; and
a matrix proximity of 80% or greater when compared to a known corrosion resistant nickel alloy;
wherein the feedstock material comprises a blend of Monel 400 and at least one of WC and Cr3C2.