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shape memory alloy
This document provides information about shape memory alloys (SMAs), including their ability to remember their original shape after significant deformation. SMAs such as nitinol undergo a reversible solid state phase transformation between austenite and martensite in response to changes in temperature or stress. This transformation enables useful properties like superelasticity and one or two-way shape memory effects with applications in medical devices, actuators, and more. The document defines and compares key terms related to SMA phase transformations and behaviors.
