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Metastable Phase Formation in the Ti-rich end of the Ti-(Co,Ni) System

Published online by Cambridge University Press:  25 February 2011

David A Lilienfeld  and
Peter Bergesen
David A Lilienfeld
Affiliation:
National Nanofabrication Facility
Peter Bergesen
Affiliation:
Department of Materials Science and Engineering, Cornell University Ithaca, N.Y. 14853
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Abstract

The Ti-rich end of the Ti-(Co,Ni) was investigated by ion mixing. A metastable FCC phase was discovered which formed over a broad composition range. The stable phase was formed by ion mixing at 350°C in some samples but was not formed until 550°C during in situ heating in the Transmission electron microscope. Some of the Ni-rich ternary alloys did not amorphize even after liquid nitrogen ion irradiations. This result indicates that the amorphization mechanism for the TiNi CsCl phase is different from that of the TiCo CsCl phase.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 157: Symposium A – Beam-Solid Interactions: Physical Phenomena , 1989 , 789
Copyright
Copyright © Materials Research Society 1990

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References

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