Systems and methods for tailoring coefficients of thermal expansion between extreme positive and extreme negative values
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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.
Monroe, James A.; Karaman, Ibrahim; Arroyave, Raymundo (2020). Systems and methods for tailoring coefficients of thermal expansion between extreme positive and extreme negative values. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from