	US 12,252,767 B2
	Cemented carbide containing multi-component high entropy carbide and/or multi-component high entropy alloy
Andrew Robertson, The Woodlands, TX (US); and Marc Bird, Houston, TX (US)
Assigned to BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US)
Filed by Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed on Oct. 26, 2022, as Appl. No. 17/974,101.
Prior Publication US 2024/0141461 A1, May 2, 2024
Int. Cl. C22C 29/02 (2006.01); B22F 5/00 (2006.01); B22F 7/06 (2006.01); B22F 7/08 (2006.01); C22C 26/00 (2006.01); C22C 29/00 (2006.01); C22C 29/06 (2006.01); C22C 29/08 (2006.01); C22C 29/10 (2006.01)

CPC C22C 29/02 (2013.01) [C22C 26/00 (2013.01); C22C 29/005 (2013.01); C22C 29/067 (2013.01); B22F 2005/001 (2013.01); B22F 7/06 (2013.01); B22F 7/08 (2013.01); C22C 2026/006 (2013.01); C22C 29/06 (2013.01); C22C 29/08 (2013.01); C22C 29/10 (2013.01)]

14 Claims

1. A sintered cemented carbide comprising:

a high entropy carbide or a spinodal decomposed product thereof; and

a metallic binder comprising at least one of Co, Co—Ru, Ni, Co—Ni, Co—Cr, Co—Ni—Cr, Co—Re, Co—Ni—Re, Co—Ni—Ru, or a high entropy alloy,

wherein the high entropy carbide is a single-phase solid solution carbide comprising four to ten metallic elements, and the spinodal decomposed product thereof comprises two chemically distinct phases having a same crystal structure; and

the high entropy alloy is an alloy comprising four to ten alloy elements selected from the group consisting of Al, Be, Fe, Co, Cr, Ni, Cu, W, V, Zr, Ti, Mn, Hf, Nb, Mo, Ru, Re, Ge, Sn, C, B, and or Si.