IP Library Granted Patent US 9,273,931
Granted Patent B2
US 9,273,931 · App. 12/615,097 · Granted Mar 1, 2016

Amorphous alloys armor

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Quick Facts
Patent No.
US 9,273,931
App. No.
12/615,097
Granted
Mar 1, 2016
Kind
B2
Abstract

Amorphous alloy armor made of at least one thin layer of bulk-solidifying amorphous alloys and methods of forming such armor are provided. Forming the armor in accordance with the current invention provides ruggedness, a lightweight structure, excellent resistance to chemical and environmental effects, and low-cost manufacturing.

Claims (33)

1. A device comprising:

at least two layers comprising a bulk solidifying amorphous alloy; and

an elastomeric material layer, located between said at least two layers of the bulk solidifying amorphous alloy; wherein:

the bulk solidifying amorphous alloy sustains strains up to 1.5% or more without any permanent deformation or breakage; and

the at least two layers of bulk solidifying amorphous alloy and the elastomeric material layer each have a thickness of between 0.001 and 0.004 inches.

2. The device of claim 1 , wherein a surface of at least one of the at least two layers further comprises a deposited coating layer comprised of one or more metals.

3. The device of claim 1 , wherein the amorphous alloy is described by the following molecular formula: [Zr, Ti] a [Ni, Cu, Fe] b [Be, Al, Si, B] c , wherein “a” is in the range of from 30 to 75, “b” is in the range of from 5 to 60, and “c” is in the range of from 0 to 50 in atomic percentages.

4. The device of claim 1 , wherein the amorphous alloy is described by the following molecular formula: [Zr, Ti] a [Ni, CU] b [Be] c , wherein “a” is in the range of from 40 to 75, “b” is in the range of from 5 to 50, and “c” is in the range of from 5 to 50 in atomic percentages.

5. The device of claim 1 , wherein the amorphous alloy amorphous alloy has a ΔT of 60° C. or greater.

6. The device of claim 1 , wherein the amorphous alloy has a hardness of 7.5 Gpa and higher.

7. The device of claim 1 , wherein the device is a near-to-net shape form device comprising design features to improve the stiffness and structural integrity of the device.

8. The device of claim 1 , wherein the bulk solidifying amorphous alloy comprises a ferrous metal.

9. A device system wherein at least a component of the device system comprises:

at least two layers comprising a bulk solidifying amorphous alloy; and

an elastomeric material layer, located between the at least two layers of the plurality of layers of the bulk solidifying amorphous alloy; wherein:

the bulk solidifying amorphous alloy sustains strains up to 1.5% or more without any permanent deformation or breakage; and

the bulk solidifying amorphous alloy layers and the elastomeric material layer each have a thickness of between 0.001 and 0.004 inches.

10. The device system of claim 9 , wherein the amorphous alloy is described by the following molecular formula: [Zr, Ti] a [Ni, Cu, Fe] b [Be, Al, Si, B] c , wherein “a” is in the range of from 30 to 75, “b” is in the range of from 5 to 60, and “c” is in the range of from 0 to 50 in atomic percentages.

11. The device system of claim 9 , wherein the amorphous alloy is described by the following molecular formula: [Zr, Ti] a [Ni, Cu] b [B] c , wherein “a” is in the range of from 40 to 75, “b” is in the range of from 5 to 50, and “c” is in the range of from 5 to 50 in atomic percentages.

12. The device system of claim 9 , wherein the device system is a near-to-net shape form device system comprising design features to improve the stiffness and structural integrity of the device system.

13. The device system of claim 9 , wherein the bulk solidifying amorphous alloy comprises a ferrous metal.

14. The device system of claim 9 , wherein the bulk solidifying amorphous alloy comprises a ferrous metal comprising Fe, Ni and Co.

15. The device of claim 9 , wherein the device system consists essentially of the bulk solidifying amorphous alloy and the elastomeric material.

16. A device comprising:

a first layer comprising a bulk solidifying amorphous alloy;

a second layer comprising the bulk solidifying amorphous alloy; and

a third layer comprising an elastomeric material disposed between the first layer and the second layer; wherein:

the bulk solidifying amorphous alloy sustains strains up to 1.5% or more without any permanent deformation or breakage; and

the first, second, and third layers each have a thickness of between 0.001 and 0.004 inches.

17. The device system of claim 16 , wherein the amorphous alloy has a fracture toughness of at least 20ksi-in 0.5 .

18. The device system of claim 16 , wherein the amorphous alloy amorphous alloy has a ΔT of 60° C. or greater.

19. The device of claim 16 , wherein the bulk solidifying amorphous alloy comprises a ferrous metal comprising Fe, Ni and Co.

20. The device of claim 16 , wherein the device consists essentially of the bulk solidifying amorphous alloy and the elastomeric material.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Feb 19, 2016
From: APPLE INC.
To: CRUCIBLE INTELLECTUAL PROPERTY, LLC
Reel/Frame 037861/0073 →
SECURITY AGREEMENT Recorded Aug 6, 2010
From: CRUCIBLE INTELLECTUAL PROPERTY, LLC
To: APPLE INC.
Reel/Frame 024804/0149 →
CONTRIBUTION AGREEMENT Recorded Aug 6, 2010
From: LIQUIDMETAL TECHNOLOGIES, INC.
To: CRUCIBLE INTELLECTUAL PROPERTY, LLC
Reel/Frame 024804/0169 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 3, 2009
From: CROOPNICK, GERALD A.
To: LIQUIDMETAL TECHNOLOGIES, INC.
Reel/Frame 023602/0719 →