Systems and Methods for Tailoring Coefficients of Thermal Expansion Between Extreme Positive and Extreme Negative Values

Patent metadata

Field	Value
Publication number	US-2016130677-A1
Application number	US-201414897904-A
Country	US
Kind code	A1
Filing date	Jun 12, 2014
Priority date	Jun 14, 2013
Publication date	May 12, 2016
Grant date	—

Abstract

Systems and methods disclosed herein relate to the manufacture of metallic material with a thermal expansion coefficient in a predetermined range, comprising: deforming, a metallic material comprising a first phase and a first thermal expansion coefficient. In response to the deformation, at least some of the first phase is transformed into a second phase, wherein the second phase comprises martensite, and orienting the metallic material in at least one predetermined orientation, wherein the metallic material, subsequent to deformation, comprises a second thermal expansion coefficient, wherein the second thermal expansion coefficient is within a predetermined range, and wherein the thermal expansion is in at least one predetermined direction. In some embodiments, the metallic material comprises the second phase and is thermo-mechanically deformed to orient the grains in at least one direction.

First claim

1 . A method of manufacturing a metallic material with a thermal expansion coefficient in a predetermined range, comprising:
deforming a metallic material comprising a first phase and a first thermal expansion coefficient; transforming, in response to the deforming, at least some of the first phase into a second phase, wherein the second phase comprises martensite; and orienting the metallic material in at least one predetermined orientation, wherein the metallic material, subsequent to deformation, comprises a second thermal expansion coefficient, wherein the second thermal expansion coefficient is within a predetermined range, and wherein the thermal expansion is in at least one predetermined direction.

2 . The method of claim 1 , wherein deforming the metallic material comprises applying tension in at least one direction, wherein the thermal expansion subsequent to deformation is in the at least one direction.

3 . The method of claim 1 , wherein deforming the metallic material comprises applying compression in a first direction, wherein the thermal expansion subsequent to deformation is in at least one predetermined direction, wherein the predetermined direction is perpendicular to the first direction.

4 . The method of claim 1 , wherein deforming the metallic material comprising applying shear in a first direction, wherein the thermal expansion subsequent to deformation is in at least one predetermined direction, and wherein the predetermined direction is 45° to the first direction.

5 . The method of claim 4 , wherein the metallic material comprises:
NiTi, NiFeGa, TiNb, TiMo, CuMnAlNi, CuMnAl, CuZnAl, CuNiAl, FeNiCoTi, CuAlBe, or is at least one of:
characterized by a general formula NiTiX, wherein X is at least one of Pd, Hf, Zr, Al, Pt, Au;
characterized by a general formula NiMnX, wherein X is at least one of Ga, In, Sn, Al, Sb;
characterized by a general formula NiCoMnX, wherein X is at least one of Ga, In, Sn, Al, Sb;
characterized by a general formula TiNbX, wherein X is at least one of Al, Sn,Ta,Zr,Mo,Hf,V,O;
characterized by a general formula CoNiX, wherein X is at least one of Al, Ga, Sn, Sb, In;
characterized by a general formula TiTaX, wherein X is at least one of Al, Sn,Nb,Zr,Mo,Hf,V,O;
characterized by a general formula FeMnX, wherein X is at least one of Ga, Mn, Ni, Co, Al, Ta, Si;
characterized by a general formula FeNiCoAlX, wherein X is at least one of Ta, Ti, Nb, Cr, W;
and combinations thereof.

6 . The method of claim 1 , wherein the deforming is achieved by at least one of hot-rolling, cold-rolling, wire drawing, plain strain compression, bi-axial tension, conform processing, bending, drawing, wire-drawing, swaging, conventional extrusion, equal channel angular extrusion, precipitation heat treatment under stress, tempering, annealing, sintering, monotonic tension processing, monotonic compression processing, monotonic torsion processing, cyclic thermal training under stress, and combinations thereof.

7 . A method of manufacturing a metallic material with a thermal expansion coefficient in a predetermined range, comprising:
deforming a metallic material by applying tension in a first direction, wherein the metallic material substantially comprises a first phase, and wherein applying the tension transforms at least some of the first phase into a second phase; and wherein, subsequent to deformation, the metallic material comprises a negative coefficient of thermal expansion within a predetermined range, wherein the negative thermal expansion is in at least the first direction.

8 . The method of claim 7 , wherein the predetermined range of the tailored coefficient of thermal expansion is between about −150×10 −6 K −1 and about +500×10 −6 K 31 1 .

9 . The method of claim 7 , further comprising applying the tension in a second direction, wherein the negative thermal expansion is in the second direction.

10 . The method of claim 7 , wherein the metallic material comprises at least one of
NiTi, NiFeGa, TiNb, TiMo, CuMnAlNi, CuMnAl, CuZnAl, CuNiAl, FeNiCoTi, CuAlBe, or is at least one of:
characterized by a general formula NiTiX, wherein X is at least one of Pd, Hf, Zr, Al, Pt, Au;
characterized by a general formula NiMnX, wherein X is at least one of Ga, In, Sn, Al, Sb;
characterized by a general formula NiCoMnX, wherein X is at least one of Ga, In, Sn, Al, Sb;
characterized by a general formula TiNbX, wherein X is at least one of Al, Sn,Ta,Zr,Mo,Hf,V,O;
characterized by a general formula CoNiX, wherein X is at least one of Al, Ga, Sn, Sb, In;
characterized by a general formula TiTaX, wherein X is at least one of Al, Sn,Nb,Zr,Mo,Hf, V, O;
characterized by a general formula FeMnX, wherein X is at least one of Ga, Mn, Ni, Co, Al, Ta, Si;
characterized by a general formula FeNiCoAlX, wherein X is at least one of Ta, Ti, Nb, Cr, W;
and combinations thereof.

11 . The method of claim 7 , wherein the deforming is achieved by at least one of hot-rolling, cold-rolling, wire drawing, plain strain compression, bi-axial tension, conform processing, bending, drawing, wire-drawing, swaging, conventional extrusion, equal channel angular extrusion, precipitation heat treatment under stress, tempering, annealing, sintering, monotonic tension processing, monotonic compression processing, monotonic torsion processing, cyclic thermal training under stress, and combinations thereof.

12 . The method of claim 7 , wherein deforming the alloy further comprises texturing the alloy in a direction comprising at least one of a [111], a [100], or a [001] direction.

13 . A method of manufacturing a metallic material with a thermal expansion coefficient in a predetermined range comprising:
deforming a metallic material, wherein the metallic material prior to deforming substantially comprises a first phase, and wherein deforming the metallic material transforms at least some of the first phase into a second phase using a compressive force in a first direction; wherein, subsequent to deformation, the metallic material comprises a negative coefficient of thermal expansion within a predetermined range; and wherein, subsequent to deformation, the negative thermal expansion of the metallic material is in at least a second direction, wherein the second direction is perpendicular to the first direction.

14 . The method of claim 13 , wherein the metallic material comprises at least one of
NiTi, NiFeGa, TiNb, TiMo, CuMnAlNi, CuMnAl, CuZnAl, CuNiAl, FeNiCoTi, CuAlBe, or is at least one of:
characterized by a general formula NiTiX, wherein X is at least one of Pd, Hf, Zr, Al, Pt, Au;
characterized by a general formula NiMnX, wherein X is at least one of Ga, In, Sn, Al, Sb;
characterized by a general formula NiCoMnX, wherein X is at least one of Ga, In, Sn, Al, Sb;
characterized by a general formula TiNbX, wherein X is at least one of Al, Sn,Ta,Zr,Mo,Hf,V,O;
characterized by a general formula CoNiX, wherein X is at least one of Al, Ga, Sn, Sb, In;
characterized by a general formula TiTaX, wherein X is at least one of Al, Sn,Nb,Zr,Mo,Hf,V,O;
characterized by a general formula FeMnX, wherein X is at least one of Ga, Mn, Ni, Co, Al, Ta, Si;
characterized by a general formula FeNiCoAlX, wherein X is at least one of Ta, Ti, Nb, Cr, W;
and combinations thereof.

15 . The method of claim 13 , wherein the deforming is achieved by at least one of hot-rolling, cold-rolling, wire drawing, plain strain compression, bi-axial tension, conform processing, bending, drawing, wire-drawing, swaging, conventional extrusion, equal channel angular extrusion, precipitation heat treatment under stres

Assignees

• Texas A & M Univ Sys

Inventors

• Monroe James A
• Karaman Ibrahim
• Arroyave Raymundo

Classifications

• C21D2211/008

  Martensite · CPC title

• C21D2201/01

  Shape memory effect · CPC title

• C22F1/18

  High-melting or refractory metals or alloys based thereon · CPC title

• C21D2211/004

  Dispersions; Precipitations · CPC title

• C21D8/06

  during manufacturing of rods or wires · CPC title