Issues »  Volume 42, Issue 5

Martensitic Transformation in Quenched Hf–Nb Alloys

S. Kedrovskyi, Yu. Koval, V. Slepchenko, O. Bezsmertna

G. V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03142 Kyiv, Ukraine

Received: 26.11.2019. Download: PDF

Martensitic transformation and shape memory effect are investigated in Hf–Nb alloys. Niobium content varies in a range of 15 at.% to 50 at.%. Prior to investigation samples are quenched in water. Phase composition, microstructure and functional properties are investigated. For the first time the presence of a martensitic-type phase transition, accompanied by the shape memory effect, is observed in the quenched Hf$_{75}$Nb$_{25}$ alloy. While for alloys with a higher concentration of hafnium, the quenching temperature will be obviously higher than 1500°C.

Key words: Hf–Nb alloys, martensitic transformation, shape memory.

URL: http://mfint.imp.kiev.ua/en/abstract/v42/i05/0603.html

DOI: https://doi.org/10.15407/mfint.42.05.0603

PACS: 61.66.Dk, 62.20.fg, 64.70.kd, 81.30.kf, 81.40.Ef, 81.65.Kn

Citation: S. Kedrovskyi, Yu. Koval, V. Slepchenko, and O. Bezsmertna, Martensitic Transformation in Quenched Hf–Nb Alloys, Metallofiz. Noveishie Tekhnol., 42, No. 5: 603—610 (2020)

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