Issues »  Volume 37, Issue 10

Features of Martensitic Transformation in the Area of Welding of Medical Ti$_{49.2}$Ni$_{50.6}$Ag$_{0.2}$ Alloy

Yu. M. Koval$^{1}$, R. Ya. Musienko$^{1}$, V. M. Slipchenko$^{1}$, T. G. Sych$^{1}$, S. M. Kedrovsky$^{1}$, D. M. Kaleko$^{2}$

$^{1}$G. V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03142 Kyiv, Ukraine
$^{2}$E. O. Paton Electric Welding Institute, NAS of Ukraine, 11 Kazymyr Malevych Str., UA-03150 Kyiv, Ukraine

Received: 15.06.2015. Download: PDF

The features of welding of functional materials such as medical Ti$_{49.2}$Ni$_{50.6}$Ag$_{0.2}$ alloy are investigated. Thermal influence of welding by the AC method and current of capacitors’ discharge on alloy structure, martensitic transformation parameters, and shape-memory effect are considered. As noted, the welding seam is tougher after current of capacitors’ discharge because of formation of a molten core. Change in parameters of martensitic transformation in the welding seam is observed. To maintain the functional properties, appropriate heat treatment of welded samples is proposed.

Key words: TiNi-based alloys, martensitic transformations, shape-memory effect, welding.

URL: http://mfint.imp.kiev.ua/en/abstract/v37/i10/1339.html

DOI: https://doi.org/10.15407/mfint.37.10.1339

PACS: 06.60.Vz, 62.20.fg, 62.20.fq, 81.05.Bx, 81.20.Vj, 81.30.Kf, 81.70.Pg

Citation: Yu. M. Koval, R. Ya. Musienko, V. M. Slipchenko, T. G. Sych, S. M. Kedrovsky, and D. M. Kaleko, Features of Martensitic Transformation in the Area of Welding of Medical Ti$_{49.2}$Ni$_{50.6}$Ag$_{0.2}$ Alloy, Metallofiz. Noveishie Tekhnol., 37, No. 10: 1339—1348 (2015) (in Ukrainian)

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