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The Influence of Irradiation Parameters on the Behavior of Martensitic Titanium Nickel Thin Films

Published online by Cambridge University Press:  11 February 2011

Thomas B. LaGrange ,
David S. Grummon  and
Rolf Gotthardt
Thomas B. LaGrange
Affiliation:
Swiss Federal Technical Institute of Lausanne (EPFL), Institute of Physics of Complex Matter, Ecublens, CH-1015, Switzerland
David S. Grummon
Affiliation:
Michigan State University, Department of Chemical Engineering and Materials Science, E. Lansing, MI 48824, U.S.A.
Rolf Gotthardt
Affiliation:
Swiss Federal Technical Institute of Lausanne (EPFL), Institute of Physics of Complex Matter, Ecublens, CH-1015, Switzerland
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Abstract

In view of a planar processing technique to develop a micro-actuator, irradiation experiments on plastically deformed martensitic TiNi thin films were performed using 5 MeV Ni++, with various fluences and temperatures, to study the dependence of microstructure and transformation characteristics on irradiation parameters. TEM observation and X-ray diffraction spectra show that irradiation resulted in a sharply defined continuous amorphous matrix, extending to the projected ion range, that contained both monoclinic and body centered cubic nanocrystals. The irradiation mechanisms and films' temperature-displacement are discussed in terms of the observed microstructure.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 753: Symposium BB – Defect Properties and Related Phenomena in Intermetallic Alloys , 2002 , BB6.8
Copyright
Copyright © Materials Research Society 2003

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References

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