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Proceedings Paper

Effect of annealing process on the changes in crystalline structure of TiNiCu amorphous ribbon
Author(s): Teodor M. Breczko; Krzysztof Kus; Janusz Szczepanek
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Paper Abstract

Shape memory alloys (SMA's) have become one of the major elements of intelligent structures and mechanisms (e.g. sensors, actuators, and active biomaterials) due to their unique thermo-mechanical properties. The main features of SMA's are related to a reversible martensitic transformation that can be induced either thermally or by applying stress. In this study, crystalline structure and changes in phase composition of TiNiCu samples were investigated mainly using an X-ray diffraction (XRD) method. Amorphous ribbons with the composition of Ti50Ni25Cu25 were characterized under various temperatures during annealing. Changes in crystalline structure have been shown to be dependent on the executed processes. XRD measurement results revealed that heat treatment annealing yields totally the crystalline structure of amorphous structure and martensite is the major phase.

Paper Details

Date Published: 5 April 2004
PDF: 4 pages
Proc. SPIE 5400, Seventh International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (5 April 2004); doi: 10.1117/12.555461
Show Author Affiliations
Teodor M. Breczko, Univ. of Warmia and Mazury (Poland)
Krzysztof Kus, Univ. of Warmia and Mazury (Poland)
Janusz Szczepanek, Univ. of Warmia and Mazury (Poland)


Published in SPIE Proceedings Vol. 5400:
Seventh International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering

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