|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Phase Transformations and Microstructural Evolution
||Characterizing Ni-Ti-Ga Shape Memory Alloys
||Oscar Figueroa, Michele Viola Manuel
|On-Site Speaker (Planned)
Shape memory alloys (SMAs) are class of materials for actuating applications where size is constrained, but high power output is necessary. NiTi alloys are the most commercially viable and are used in a variety of commercial industries. In an effort to expand our understanding of SMAs and their properties, a new system has been designed to characterize the effects of Ga additions to NiTi. While the NiTi phase diagram is well understood, there is little literature on NiTiGa alloys. A series of alloys containing between 1 and 6 at% Ga were characterized to determine phase transformation, microstructural evolution, and mechanical properties of NiTiGa SMAs. Using electron microscopy techniques, spectroscopic chemical analysis, thermal characterization, and mechanical testing, NiTiGa alloys were studied to develop new processing-structure-property relationships. The authors gratefully acknowledge the support of NASA grant NNX12AQ42G.
||Planned: Supplemental Proceedings volume