Influence of cooling rate on the structure and properties of a Cu-Zr-Ti-Ag glassy alloy

Dmitri V. Louzguine-Luzgin; Takanobu Saito; Junji Saida; Akihisa Inoue

doi:10.1557/jmr.2008.0066

Influence of cooling rate on the structure and properties of a Cu-Zr-Ti-Ag glassy alloy

Dmitri V. Louzguine-Luzgin, Takanobu Saito, Junji Saida, Akihisa Inoue

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

24 Citations (Scopus)

Abstract

The influence of the cooling rate on the structure, microhardness, relaxation, and devitrification behavior of Cu₄₄ Ag₁₅Zr₃₆Ti₅ glassy alloy on heating is studied in the present work. According to transmission electron microscopy investigations, the structures of Cu₄₄ Ag₁₅Zr₃₆ Ti₅ glassy ribbon and bulk samples are somewhat different. The structure of the ribbon samples is amorphous while, the nanoscale clusters of the crystalline phase (highly ordered regions) are formed in the bulk samples. It is reflected in the shift of the x-ray diffraction peak, in the magnitude of the heat of structure relaxation and crystallization, as well as in the change in the Vickers microhardness. An analysis of the cooling curve is also performed.

Original language	English
Pages (from-to)	515-522
Number of pages	8
Journal	Journal of Materials Research
Volume	23
Issue number	2
DOIs	https://doi.org/10.1557/jmr.2008.0066
Publication status	Published - 2008 Feb

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The influence of the cooling rate on the structure, microhardness, relaxation, and devitrification behavior of Cu44 Ag15Zr36Ti5 glassy alloy on heating is studied in the present work. According to transmission electron microscopy investigations, the structures of Cu44 Ag15Zr36 Ti5 glassy ribbon and bulk samples are somewhat different. The structure of the ribbon samples is amorphous while, the nanoscale clusters of the crystalline phase (highly ordered regions) are formed in the bulk samples. It is reflected in the shift of the x-ray diffraction peak, in the magnitude of the heat of structure relaxation and crystallization, as well as in the change in the Vickers microhardness. An analysis of the cooling curve is also performed.",

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AU - Louzguine-Luzgin, Dmitri V.

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AU - Saida, Junji

AU - Inoue, Akihisa

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AB - The influence of the cooling rate on the structure, microhardness, relaxation, and devitrification behavior of Cu44 Ag15Zr36Ti5 glassy alloy on heating is studied in the present work. According to transmission electron microscopy investigations, the structures of Cu44 Ag15Zr36 Ti5 glassy ribbon and bulk samples are somewhat different. The structure of the ribbon samples is amorphous while, the nanoscale clusters of the crystalline phase (highly ordered regions) are formed in the bulk samples. It is reflected in the shift of the x-ray diffraction peak, in the magnitude of the heat of structure relaxation and crystallization, as well as in the change in the Vickers microhardness. An analysis of the cooling curve is also performed.

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Influence of cooling rate on the structure and properties of a Cu-Zr-Ti-Ag glassy alloy

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