1.1This terminology is a compilation of definitions of terms used in ASTM documents relating to nickel-titanium shape memory alloys used for medical devices. This terminology includes only those terms for which ASTM either has standards or which are used in ASTM standards for nickel-titanium shape memory alloys. It is not intended to be an all-inclusive list of terms related to shape memory alloys.

1.2Definitions that are similar to those published by another standards body are identified with abbreviations of the name of that organization; for example, ICTAC is the International Confederation for Thermal Analysis and Calorimetry.