Controlling properties by chemistry in doped shape memory alloys

ORAL

Abstract

Shape memory alloys find increasing use in airspace applications. Using theoretical and computational methods, we investigate correlations between the selected properties and composition in doped NiTi-based shape memory alloys. Among the properties we consider relative energies, phase transition temperature, and hysteresis. We compare predictions to experimental data. Our theoretical guidance facilitates design of future alloys.

*We acknowledge support from the NASA Transformative Aeronautics Concepts Program, Transformational Tools & Technologies (TTT) Project.

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Presenters

  • Nikolai Zarkevich

    • NASA Ames Research Center, NASA

Authors

  • Nikolai Zarkevich

    • NASA Ames Research Center, NASA

  • Othmane Benafan

    • NASA Glenn Research Center, NASA

  • John Walter Lawson

    • NASA Ames Research Center, NASA