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Journal of Materials Engineering and Performance

Erschienen in:

01.07.2011

Production of Nitinol Wire from Elemental Nickel and Titanium Powders Through Spark Plasma Sintering and Extrusion

verfasst von: J. Butler, P. Tiernan, A. A. Gandhi, K. McNamara, S. A. M. Tofail

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 4-5/2011

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Abstract

This study demonstrates the production of highly dense binary NiTi by spark plasma sintering (SPS) of elemental Ni and Ti powders. The sintered billets were extruded to 0.7 mm wire for tensile testing. Excellent mechanical properties and very dense microstructures were obtained in the wires produced in this way. The material demonstrated 4% recoverable strain, 14% elongation at fracture and 630 MPa ultimate tensile stress. Furthermore, a close control of the level of impurities was also possible. This highlights the efficacy of the SPS route in production-capacity manufacture of NiTi products.

Vorheriger Artikel Comparison of Inclusions in Cold Drawn Wire and Precursor Hot-Rolled Rod Coil in VIM-VAR Nickel-Titanium Alloy

Nächster Artikel Effects of Sn and Zr on the Microstructure and Mechanical Properties of Ti-Ta-Based Shape Memory Alloys

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Titel: Production of Nitinol Wire from Elemental Nickel and Titanium Powders Through Spark Plasma Sintering and Extrusion
verfasst von: J. Butler
P. Tiernan
A. A. Gandhi
K. McNamara
S. A. M. Tofail
Publikationsdatum: 01.07.2011
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 4-5/2011
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-011-9837-z

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