Phase separation of Zr-Ti-Cu-Ni-Be bulk amorphous alloy during isothermal annealing

Jun Shen; Yulai Gao; Jianfei Sun; Demin Chen; Gang Wang; Dawei Xing; Bide Zhou

Phase separation of Zr-Ti-Cu-Ni-Be bulk amorphous alloy during isothermal annealing

Jun Shen^*
, Yulai Gao
, Jianfei Sun
, Demin Chen
, Gang Wang
, Dawei Xing
, Bide Zhou

^*Corresponding author for this work

Harbin Institute of Technology
Harbin Engineering University

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

4 Scopus citations

Abstract

Employing differential scanning calorimetry (DSC) and transmission electron microscopy (TEM), the isothermal crystallization process and precipitated phases of Zr_41.2Ti_13.8Cu_12.5Ni₁₀ Be_22.5 (at%) bulk amorphous alloy were investigated. It is found that the bulk amorphous alloy exhibited a multi-stage crystallization behavior when being isothermal annealed. The precipitated phases are different at various crystallization stages. The experiment results show that the main precipitation phase is body-centered tetragonal (b.c.t) Zr₂Cu at the first crystallization stage but primitive hexagonal ZrBe₂ at the second stage, confirming that the Zr_41.2Ti_13.8Cu_12.5Ni₁₀ Be_22.5 bulk amorphous alloy possesses a phase separation tendency during the isothermal annealing processes. The X-ray diffraction (XRD) result validated that the main precipitation phases were Zr₂Cu and ZrBe₂ when the bulk amorphous alloy was fully crystallized.

Original language	English
Pages (from-to)	1257-1260
Number of pages	4
Journal	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume	33
Issue number	12
State	Published - Dec 2004

Keywords

Bulk amorphous alloy
Isothermal crystallization
Phase separation
Undercooled liquid
Zr-Ti-Cu-Ni-Be alloy

Cite this

@article{b8c4b2e6bbe64211b58ed705dd0c74e4,

title = "Phase separation of Zr-Ti-Cu-Ni-Be bulk amorphous alloy during isothermal annealing",

abstract = "Employing differential scanning calorimetry (DSC) and transmission electron microscopy (TEM), the isothermal crystallization process and precipitated phases of Zr41.2Ti13.8Cu12.5Ni10 Be22.5 (at\%) bulk amorphous alloy were investigated. It is found that the bulk amorphous alloy exhibited a multi-stage crystallization behavior when being isothermal annealed. The precipitated phases are different at various crystallization stages. The experiment results show that the main precipitation phase is body-centered tetragonal (b.c.t) Zr2Cu at the first crystallization stage but primitive hexagonal ZrBe2 at the second stage, confirming that the Zr41.2Ti13.8Cu12.5Ni10 Be22.5 bulk amorphous alloy possesses a phase separation tendency during the isothermal annealing processes. The X-ray diffraction (XRD) result validated that the main precipitation phases were Zr2Cu and ZrBe2 when the bulk amorphous alloy was fully crystallized.",

keywords = "Bulk amorphous alloy, Isothermal crystallization, Phase separation, Undercooled liquid, Zr-Ti-Cu-Ni-Be alloy",

author = "Jun Shen and Yulai Gao and Jianfei Sun and Demin Chen and Gang Wang and Dawei Xing and Bide Zhou",

year = "2004",

month = dec,

language = "英语",

volume = "33",

pages = "1257--1260",

journal = "Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering",

issn = "1002-185X",

publisher = "Science Press ",

number = "12",

}

TY - JOUR

T1 - Phase separation of Zr-Ti-Cu-Ni-Be bulk amorphous alloy during isothermal annealing

AU - Shen, Jun

AU - Gao, Yulai

AU - Sun, Jianfei

AU - Chen, Demin

AU - Wang, Gang

AU - Xing, Dawei

AU - Zhou, Bide

PY - 2004/12

Y1 - 2004/12

N2 - Employing differential scanning calorimetry (DSC) and transmission electron microscopy (TEM), the isothermal crystallization process and precipitated phases of Zr41.2Ti13.8Cu12.5Ni10 Be22.5 (at%) bulk amorphous alloy were investigated. It is found that the bulk amorphous alloy exhibited a multi-stage crystallization behavior when being isothermal annealed. The precipitated phases are different at various crystallization stages. The experiment results show that the main precipitation phase is body-centered tetragonal (b.c.t) Zr2Cu at the first crystallization stage but primitive hexagonal ZrBe2 at the second stage, confirming that the Zr41.2Ti13.8Cu12.5Ni10 Be22.5 bulk amorphous alloy possesses a phase separation tendency during the isothermal annealing processes. The X-ray diffraction (XRD) result validated that the main precipitation phases were Zr2Cu and ZrBe2 when the bulk amorphous alloy was fully crystallized.

AB - Employing differential scanning calorimetry (DSC) and transmission electron microscopy (TEM), the isothermal crystallization process and precipitated phases of Zr41.2Ti13.8Cu12.5Ni10 Be22.5 (at%) bulk amorphous alloy were investigated. It is found that the bulk amorphous alloy exhibited a multi-stage crystallization behavior when being isothermal annealed. The precipitated phases are different at various crystallization stages. The experiment results show that the main precipitation phase is body-centered tetragonal (b.c.t) Zr2Cu at the first crystallization stage but primitive hexagonal ZrBe2 at the second stage, confirming that the Zr41.2Ti13.8Cu12.5Ni10 Be22.5 bulk amorphous alloy possesses a phase separation tendency during the isothermal annealing processes. The X-ray diffraction (XRD) result validated that the main precipitation phases were Zr2Cu and ZrBe2 when the bulk amorphous alloy was fully crystallized.

KW - Bulk amorphous alloy

KW - Isothermal crystallization

KW - Phase separation

KW - Undercooled liquid

KW - Zr-Ti-Cu-Ni-Be alloy

UR - https://www.scopus.com/pages/publications/12844255088

M3 - 文章

AN - SCOPUS:12844255088

SN - 1002-185X

VL - 33

SP - 1257

EP - 1260

JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 12

ER -

Phase separation of Zr-Ti-Cu-Ni-Be bulk amorphous alloy during isothermal annealing

Abstract

Keywords

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