IP Library › Granted Patent US 9,150,945
Granted Patent B2
US 9,150,945 · App. 13/283,078 · Granted Oct 6, 2015

Multi-component solid solution alloys having high mixing entropy

Inventor: Hongbin Bei (Knoxville, TN)
Assignee: UT-BATTELLE, LLC
C22C30/00C22C1/02C22C9/06C22C19/05C22C19/07C22C27/02C22C27/06C22C30/02
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Quick Facts
Patent No.
US 9,150,945
App. No.
13/283,078
Granted
Oct 6, 2015
Kind
B2
Abstract

A multi-component high-entropy alloy includes a composition selected from the following group: VNbTaTiMoWRe, VNbTaTiMoW, VNbTaTiMoRe, VNbTaTiWRe, VNbTaMoWRe, VNbTiMoWRe, VTaTiMoWRe, NbTaTiMoWRe, VNbTaTiMo, VNbTaTiW, VNbTaMoW, VNbTiMoW, VTaTiMoW, NbTaTiMoW, VNbTaTiRe, VNbTaMoRe, VNbTiMoRe, VTaTiMoRe, NbTaTiMoRe, VNbTaWRe, VNbTiWRe, VTaTiWRe, NbTaTiWRe, VNbMoWRe, VTaMoWRe, NbTaMoWRe, VTiMoWRe, NbTiMoWRe, TaTiMoWRe, wherein relative amounts of each element vary by no more than ±15 atomic %.

Claims (2)

1. A multi-component single phase high-entropy alloy consisting of a solid solution composition selected from the group consisting of: VNbTaTiMoWRe, VNbTaTiMoRe, VNbTaTiWRe, VNbTaMoWRe, VNbTiMoWRe, VTaTiMoWRe, NbTaTiMoWRe, VNbTaTiRe, VNbTaMoRe, VNbTiMoRe, VTaTiMoRe, NbTaTiMoRe, VNbTaWRe, VNbTiWRe, VTaTiWRe, NbTaTiWRe, VNbMoWRe, VTaMoWRe, NbTaMoWRe, VTiMoWRe, NbTiMoWRe, TaTiMoWRe, wherein relative amounts of each element vary by no more than 5 atomic %, the alloy having a mixing entropy greater than 1.6R.

2. A multi-component single phase high-entropy alloy consisting of a solid solution composition selected from the group consisting of: VNbTaTiMoW, VNbTaTiMo, VNbTaTiW, VNbTaMoW, VNbTiMoW, VTaTiMoW, NbTaTiMoW, wherein relative amounts of each element vary by no more than 5 atomic %, the alloy having a mixing entropy greater than 1.6R.

Assignments (2)
CONFIRMATORY LICENSE Recorded Dec 14, 2011
From: UT-BATTELLE, LLC
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 027381/0229 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 28, 2011
From: BEI, HONGBIN
To: UT-BATTELLE, LLC
Reel/Frame 027137/0301 →
Continuity (1)
Related Publication 20130108502A1 · May 2, 2013