Formation of an amorphous phase and its crystallization in the immiscible Nb-Zr system by mechanical alloying

N. Al-Aqeeli; C. Suryanarayana; M. A. Hussein

doi:10.1063/1.4825325

Formation of an amorphous phase and its crystallization in the immiscible Nb-Zr system by mechanical alloying

N. Al-Aqeeli
, C. Suryanarayana^*
, M. A. Hussein

^*Corresponding author for this work

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

19 Scopus citations

Abstract

Mechanical alloying of binary Nb-Zr powder mixtures was carried out to evaluate the formation of metastable phases in this immiscible system. The milled powders were characterized for their constitution and structure by X-ray diffraction and transmission electron microscopy methods. It was shown that an amorphous phase had formed on milling the binary powder mixture for about 10 h and that it had crystallized on subsequent milling up to 50-70 h, referred to as mechanical crystallization. Thermodynamic and structural arguments have been presented to explain the formation of the amorphous phase and its subsequent crystallization.

Original language	English
Article number	153512
Journal	Journal of Applied Physics
Volume	114
Issue number	15
DOIs	https://doi.org/10.1063/1.4825325
State	Published - 21 Oct 2013

Bibliographical note

Funding Information:
The authors wish to express their gratitude to the financial support provided by King Fahd University of Petroleum & Minerals (KFUPM) to carry out this work through Grant # IN111014.

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.4825325

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title = "Formation of an amorphous phase and its crystallization in the immiscible Nb-Zr system by mechanical alloying",

abstract = "Mechanical alloying of binary Nb-Zr powder mixtures was carried out to evaluate the formation of metastable phases in this immiscible system. The milled powders were characterized for their constitution and structure by X-ray diffraction and transmission electron microscopy methods. It was shown that an amorphous phase had formed on milling the binary powder mixture for about 10 h and that it had crystallized on subsequent milling up to 50-70 h, referred to as mechanical crystallization. Thermodynamic and structural arguments have been presented to explain the formation of the amorphous phase and its subsequent crystallization.",

author = "N. Al-Aqeeli and C. Suryanarayana and Hussein, \{M. A.\}",

note = "Funding Information: The authors wish to express their gratitude to the financial support provided by King Fahd University of Petroleum \& Minerals (KFUPM) to carry out this work through Grant \# IN111014.",

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AU - Al-Aqeeli, N.

AU - Suryanarayana, C.

AU - Hussein, M. A.

N1 - Funding Information: The authors wish to express their gratitude to the financial support provided by King Fahd University of Petroleum & Minerals (KFUPM) to carry out this work through Grant # IN111014.

PY - 2013/10/21

Y1 - 2013/10/21

N2 - Mechanical alloying of binary Nb-Zr powder mixtures was carried out to evaluate the formation of metastable phases in this immiscible system. The milled powders were characterized for their constitution and structure by X-ray diffraction and transmission electron microscopy methods. It was shown that an amorphous phase had formed on milling the binary powder mixture for about 10 h and that it had crystallized on subsequent milling up to 50-70 h, referred to as mechanical crystallization. Thermodynamic and structural arguments have been presented to explain the formation of the amorphous phase and its subsequent crystallization.

AB - Mechanical alloying of binary Nb-Zr powder mixtures was carried out to evaluate the formation of metastable phases in this immiscible system. The milled powders were characterized for their constitution and structure by X-ray diffraction and transmission electron microscopy methods. It was shown that an amorphous phase had formed on milling the binary powder mixture for about 10 h and that it had crystallized on subsequent milling up to 50-70 h, referred to as mechanical crystallization. Thermodynamic and structural arguments have been presented to explain the formation of the amorphous phase and its subsequent crystallization.

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ER -

Formation of an amorphous phase and its crystallization in the immiscible Nb-Zr system by mechanical alloying

Abstract

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ASJC Scopus subject areas

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