US 12,012,647 B2
Additively manufactured oxide dispersion strengthened medium entropy alloys for high temperature applications
Timothy M. Smith, Cleveland, OH (US); Robert W. Carter, Cleveland, OH (US); Christopher A. Kantzos, Cleveland, OH (US); and Michael J. Kulis, Cleveland, OH (US)
Assigned to United States Government Administrator of NASA, Washington, DC (US)
Filed by United States of America as represented by the Administrator of NASA, Washington, DC (US)
Filed on Jun. 19, 2020, as Appl. No. 16/906,319.
Claims priority of provisional application 62/864,619, filed on Jun. 21, 2019.
Prior Publication US 2020/0399744 A1, Dec. 24, 2020
Int. Cl. C22C 30/00 (2006.01); B22F 1/05 (2022.01); B22F 1/07 (2022.01); B22F 1/16 (2022.01); B33Y 70/10 (2020.01); B33Y 80/00 (2015.01)
CPC C22C 30/00 (2013.01) [B22F 1/05 (2022.01); B22F 1/07 (2022.01); B22F 1/16 (2022.01); B33Y 70/10 (2020.01); B22F 2302/25 (2013.01); B22F 2304/10 (2013.01); B33Y 80/00 (2014.12); Y10T 428/12014 (2015.01)] 11 Claims
OG exemplary drawing
 
1. An additive manufacturing powdered composite material comprising metal particles coated with a continuous coating of ceramic particles, wherein:
the metal particles comprise an alloy including:
30-35 wt % cobalt,
26-31 wt % chromium,
0-3.0 wt % rhenium,
0-1.0 wt % aluminum,
0.01-0.1 wt % carbon,
0-1.0 wt % titanium, and
nickel making up a balance of a weight of the alloy, wherein the alloy includes greater than 30 wt % nickel,
the ceramic particles comprise yttrium oxide, hafnium oxide, zirconium oxide, aluminum oxide, thorium oxide, or combinations thereof,
the ceramic particles form the continuous coating on an outer surface of the metal particles.