Physics of the Solid State, volume 62, issue 6, pages 937-941

Specifics of Crystallization of Amorphous TiNiCu Alloys with High Concentrations of Copper

Publication typeJournal Article
Publication date2020-06-15
Quartile SCImago
Q4
Quartile WOS
Q4
Impact factor0.6
ISSN10637834, 10906460, 17267498
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
Abstract Ribbons of alloys of the quasi-binary TiNi–TiCu system with 25, 30, 35, and 40 at % copper were fabricated by planar flow casting at a cooling rate of 10 6 K/s. The thickness of the ribbons was 30–50 μm, and their width was 10–20 mm. The structure and phase transformations of alloys were studied using electron microscopy, X-ray diffraction, and differential scanning calorimetry. It was found that the alloys with 25 and 30 at % Cu in the initial state have an amorphous-crystalline structure, which undergoes one-stage polymorphic crystallization of the amorphous state with the formation of austenitic phase B 2 under heating in a calorimeter. When cooled to room temperature, phase B 2 undergoes a martensitic transformation to orthorhombic phase B 19. It was demonstrated that the alloys with 35 and 40 at % Cu become amorphous when quenched and undergo two-stage (primary and eutectic) crystallization under heating. The resulting structure is two-phase (tetragonal phase B 11 (TiCu) with a small fraction of phase B 2). An increase in the concentration of copper leads to a reduction in the onset temperature of crystallization.

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Shelyakov A. et al. Specifics of Crystallization of Amorphous TiNiCu Alloys with High Concentrations of Copper // Physics of the Solid State. 2020. Vol. 62. No. 6. pp. 937-941.
GOST all authors (up to 50) Copy
Shelyakov A., Sitnikov N. N., Khabibullina I. A., Sundeev R. V., Sevryukov O. N. Specifics of Crystallization of Amorphous TiNiCu Alloys with High Concentrations of Copper // Physics of the Solid State. 2020. Vol. 62. No. 6. pp. 937-941.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1134/S1063783420060281
UR - https://doi.org/10.1134%2FS1063783420060281
TI - Specifics of Crystallization of Amorphous TiNiCu Alloys with High Concentrations of Copper
T2 - Physics of the Solid State
AU - Khabibullina, I A
AU - Sundeev, R V
AU - Shelyakov, A.V
AU - Sitnikov, N N
AU - Sevryukov, O N
PY - 2020
DA - 2020/06/15 00:00:00
PB - Pleiades Publishing
SP - 937-941
IS - 6
VL - 62
SN - 1063-7834
SN - 1090-6460
SN - 1726-7498
ER -
BibTex |
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BibTex Copy
@article{2020_Shelyakov
author = {I A Khabibullina and R V Sundeev and A.V Shelyakov and N N Sitnikov and O N Sevryukov},
title = {Specifics of Crystallization of Amorphous TiNiCu Alloys with High Concentrations of Copper},
journal = {Physics of the Solid State},
year = {2020},
volume = {62},
publisher = {Pleiades Publishing},
month = {jun},
url = {https://doi.org/10.1134%2FS1063783420060281},
number = {6},
pages = {937--941},
doi = {10.1134/S1063783420060281}
}
MLA
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MLA Copy
Shelyakov, A.V, et al. “Specifics of Crystallization of Amorphous TiNiCu Alloys with High Concentrations of Copper.” Physics of the Solid State, vol. 62, no. 6, Jun. 2020, pp. 937-941. https://doi.org/10.1134%2FS1063783420060281.
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