Crystallization of Ti-Ni-Cu-(Cr, Fe, Mn) metallic glasses

V. Semin; J. Jiang; V. I. Polkin; M. Saito; Y. Ikuhara; D. V. Louzguine-Luzgin

doi:10.1016/j.jallcom.2021.160185

Crystallization of Ti-Ni-Cu-(Cr, Fe, Mn) metallic glasses

V. Semin, J. Jiang, V. I. Polkin, M. Saito, Y. Ikuhara, D. V. Louzguine-Luzgin

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

In the present work we study crystallization of the Ti₅₀Ni₂₂Cu₂₂TM₆ (TM stands for other transition metals: Cr, Mn and Fe) glassy alloys produced by rapid solidification of the melt. The effect of the additional transition metals Cr, Mn and Fe in stabilization of a cP2/B2 type phase is clarified in comparison with the base ternary Ti₅₀Ni₂₅Cu₂₅ alloy. The transformation temperature and heat effects were studied by differential scanning calorimetry. The structure of the samples in the as-prepared and annealed states was examined by X-ray diffraction and transmission electron microscopy. Polymorphic transformation mechanism leading to the formation of the cP2/B2 type phase is studied in detail. Crystal nucleation and growth initiate on the free surface of the Fe-bearing alloy leading to the strong< 100 >texture formation and weak exothermic reaction which changes the shape of the DSC curves. On the contrary, the crystallization occurs within the entire volume of the Mn- and Cr-containing samples, indicating the effect of nucleation and growth of pre-existed nuclei in the glassy state on the heat release of crystallization and the resulted microstructure.

Original language	English
Article number	160185
Journal	Journal of Alloys and Compounds
Volume	876
DOIs	https://doi.org/10.1016/j.jallcom.2021.160185
Publication status	Published - 2021 Sept 25

Keywords

DSC
Metallic glass
Nanocrystallization
Shape memory
TEM
TiNi
XRD

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10.1016/j.jallcom.2021.160185

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title = "Crystallization of Ti-Ni-Cu-(Cr, Fe, Mn) metallic glasses",

abstract = "In the present work we study crystallization of the Ti50Ni22Cu22TM6 (TM stands for other transition metals: Cr, Mn and Fe) glassy alloys produced by rapid solidification of the melt. The effect of the additional transition metals Cr, Mn and Fe in stabilization of a cP2/B2 type phase is clarified in comparison with the base ternary Ti50Ni25Cu25 alloy. The transformation temperature and heat effects were studied by differential scanning calorimetry. The structure of the samples in the as-prepared and annealed states was examined by X-ray diffraction and transmission electron microscopy. Polymorphic transformation mechanism leading to the formation of the cP2/B2 type phase is studied in detail. Crystal nucleation and growth initiate on the free surface of the Fe-bearing alloy leading to the strong< 100 >texture formation and weak exothermic reaction which changes the shape of the DSC curves. On the contrary, the crystallization occurs within the entire volume of the Mn- and Cr-containing samples, indicating the effect of nucleation and growth of pre-existed nuclei in the glassy state on the heat release of crystallization and the resulted microstructure.",

keywords = "DSC, Metallic glass, Nanocrystallization, Shape memory, TEM, TiNi, XRD",

author = "V. Semin and J. Jiang and Polkin, {V. I.} and M. Saito and Y. Ikuhara and Louzguine-Luzgin, {D. V.}",

note = "Funding Information: The authors gratefully acknowledge the financial support received from the World Premier International Research Center Initiative (WPI), MEXT, Japan and from the Ministry of Education and Science of the Russian Federation in the framework of the “Increase Competitiveness” Program of NUST “MISiS” (№ К2-2020-037 ). Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

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doi = "10.1016/j.jallcom.2021.160185",

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T1 - Crystallization of Ti-Ni-Cu-(Cr, Fe, Mn) metallic glasses

AU - Semin, V.

AU - Jiang, J.

AU - Polkin, V. I.

AU - Saito, M.

AU - Ikuhara, Y.

AU - Louzguine-Luzgin, D. V.

N1 - Funding Information: The authors gratefully acknowledge the financial support received from the World Premier International Research Center Initiative (WPI), MEXT, Japan and from the Ministry of Education and Science of the Russian Federation in the framework of the “Increase Competitiveness” Program of NUST “MISiS” (№ К2-2020-037 ). Publisher Copyright: © 2021 Elsevier B.V.

PY - 2021/9/25

Y1 - 2021/9/25

N2 - In the present work we study crystallization of the Ti50Ni22Cu22TM6 (TM stands for other transition metals: Cr, Mn and Fe) glassy alloys produced by rapid solidification of the melt. The effect of the additional transition metals Cr, Mn and Fe in stabilization of a cP2/B2 type phase is clarified in comparison with the base ternary Ti50Ni25Cu25 alloy. The transformation temperature and heat effects were studied by differential scanning calorimetry. The structure of the samples in the as-prepared and annealed states was examined by X-ray diffraction and transmission electron microscopy. Polymorphic transformation mechanism leading to the formation of the cP2/B2 type phase is studied in detail. Crystal nucleation and growth initiate on the free surface of the Fe-bearing alloy leading to the strong< 100 >texture formation and weak exothermic reaction which changes the shape of the DSC curves. On the contrary, the crystallization occurs within the entire volume of the Mn- and Cr-containing samples, indicating the effect of nucleation and growth of pre-existed nuclei in the glassy state on the heat release of crystallization and the resulted microstructure.

AB - In the present work we study crystallization of the Ti50Ni22Cu22TM6 (TM stands for other transition metals: Cr, Mn and Fe) glassy alloys produced by rapid solidification of the melt. The effect of the additional transition metals Cr, Mn and Fe in stabilization of a cP2/B2 type phase is clarified in comparison with the base ternary Ti50Ni25Cu25 alloy. The transformation temperature and heat effects were studied by differential scanning calorimetry. The structure of the samples in the as-prepared and annealed states was examined by X-ray diffraction and transmission electron microscopy. Polymorphic transformation mechanism leading to the formation of the cP2/B2 type phase is studied in detail. Crystal nucleation and growth initiate on the free surface of the Fe-bearing alloy leading to the strong< 100 >texture formation and weak exothermic reaction which changes the shape of the DSC curves. On the contrary, the crystallization occurs within the entire volume of the Mn- and Cr-containing samples, indicating the effect of nucleation and growth of pre-existed nuclei in the glassy state on the heat release of crystallization and the resulted microstructure.

KW - DSC

KW - Metallic glass

KW - Nanocrystallization

KW - Shape memory

KW - TEM

KW - TiNi

KW - XRD

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Crystallization of Ti-Ni-Cu-(Cr, Fe, Mn) metallic glasses

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