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Shape Memory and Superelasticity
Erschienen in: Shape Memory and Superelasticity 1/2016

01.03.2016

Precipitation Behavior of Thermo-Mechanically Treated Ti50Ni20Au20Cu10 High-Temperature Shape-Memory Alloy

verfasst von: Saif Haider Kayani, M. Imran Khan, Fazal Ahmad Khalid, Hee Young Kim, Shuichi Miyazaki

Erschienen in: Shape Memory and Superelasticity | Ausgabe 1/2016

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Abstract

In the present work, precipitation behavior of TiNiAuCu-based high-temperature shape-memory alloys is studied. Two alloys with compositions Ti50Ni30Au20 and Ti50Ni20Au20Cu10 were prepared. After 30 % cold rolling, both alloys were then annealed at different temperatures. Formation of Cu-rich TiAuCu and Ti-rich Ti3Au precipitates was observed in Ti50Ni20Au20Cu10 alloy when annealed at different temperatures after cold deformation. It was noticed that prior cold deformation has significant effect on the precipitation behavior. A similar kind of precipitation behavior has been previously reported in TiNiPdCu alloys. Both TiAuCu and Ti3Au type precipitates were found to be deficient in Ni content which causes an increase in Ni content of the matrix and a small decrease in transformation temperatures of the Ti50Ni20Au20Cu10 alloy.
Vorheriger Artikel Deformation Mechanisms and Biocompatibility of the Superelastic Ti–23Nb–0.7Ta–2Zr–0.5N Alloy
Nächster Artikel Cyclic Degradation of Co49Ni21Ga30 High-Temperature Shape Memory Alloy: On the Roles of Dislocation Activity and Chemical Order

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Metadaten
Titel
Precipitation Behavior of Thermo-Mechanically Treated Ti50Ni20Au20Cu10 High-Temperature Shape-Memory Alloy
verfasst von
Saif Haider Kayani
M. Imran Khan
Fazal Ahmad Khalid
Hee Young Kim
Shuichi Miyazaki
Publikationsdatum
01.03.2016
Verlag
Springer International Publishing
Erschienen in
Shape Memory and Superelasticity / Ausgabe 1/2016
Print ISSN: 2199-384X
Elektronische ISSN: 2199-3858
DOI
https://doi.org/10.1007/s40830-015-0048-6

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Shape Memory and Superelasticity 1/2016 Zur Ausgabe

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Deformation Mechanisms and Biocompatibility of the Superelastic Ti–23Nb–0.7Ta–2Zr–0.5N Alloy

Special issue: High-Temperature Shape Memory Alloys, Invited Paper

Slip Resistance of Ti-Based High-Temperature Shape Memory Alloys

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