Laser welding of H-phase strengthened Ni-rich NiTi-20Zr high temperature shape memory alloy

Laser welding of H-phase strengthened Ni-rich NiTi-20Zr high temperature shape memory alloy

Laser welding of a Ni-rich NiTi-20Zr (at.%) high temperature shape memory alloy was performed. The starting base material was aged for 3 h at 550 °C followed by air cooling prior to welding to induce H-phase precipitation. Advanced microstructure characterization encompassing scanning and transmissi...

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Bibliographic Details
Main Authors: J.P. Oliveira, Jiajia Shen, J.D. Escobar, C.A.F. Salvador, N. Schell, N. Zhou, O. Benafan
Format: Article
Language:English
Published: Elsevier 2021-04-01
Series:Materials & Design
Subjects:
NiTiZr
High temperature shape memory alloys
Laser welding
Synchrotron X-ray diffraction
Rietveld refinement
H-phase
Online Access:http://www.sciencedirect.com/science/article/pii/S0264127521000861

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http://www.sciencedirect.com/science/article/pii/S0264127521000861

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