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Metallurgical and Materials Transactions A
Published in: Metallurgical and Materials Transactions A 4/2015

01-04-2015 | Communication

Microstructure and Strength of NiTi-Nb Eutectic Braze Joining NiTi Wires

Authors: Liqiang Wang, Cong Wang, David C. Dunand

Published in: Metallurgical and Materials Transactions A | Issue 4/2015

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Abstract

NiTi wires were brazed together via liquid eutectic formation between NiTi and Nb powders deposited at the wire contact region. The brazed region shows proeutectic NiTi(Nb) in contact with the wires, sandwiching a NiTi-Nb eutectic structure, whose microhardness and stiffness, as characterized via nanoindentation, are higher than the NiTi wires, while also showing signs of high ductility. NiTi-Nb eutectic bonding may thus be a viable approach for producing shape-memory NiTi scaffolds brazed from stacked, woven, or braided wires.
next article Hot Ductility Behaviors in the Weld Heat-Affected Zone of Nitrogen-Alloyed Fe-18Cr-10Mn Austenitic Stainless Steels

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Metadata
Title
Microstructure and Strength of NiTi-Nb Eutectic Braze Joining NiTi Wires
Authors
Liqiang Wang
Cong Wang
David C. Dunand
Publication date
01-04-2015
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 4/2015
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-015-2781-z

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