Amorphization of transition metal-Si alloy powders by mechanical alloying

Pee Yew Lee; Chung Kwei Lin; Hong Ming Lin

doi:10.1063/1.354893

Amorphization of transition metal-Si alloy powders by mechanical alloying

Pee Yew Lee, Chung Kwei Lin, Hong Ming Lin

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

7 Citations (Scopus)

Abstract

Amorphization of TM-Si (TM: trasition metal) alloy powders by mechanical alloying has been systematically investigated. Pure element powder mixtures were mechanically alloyed for ten hours with a high energy ball mill. The results show that amorphous metallic silicide powders were successfully synthesized in Ti-Si, Zr-Si, Nb-Si, and Ta-Si systems. Prediction of the amorphization range of mechanically alloyed TM-Si powders by the Miedema model is inappropriate. The possible criteria for the amorphization of TM₃Si powders after mechanical alloying 10 h in a shaker ball mill are (a) the free energy of amorphous state of TM₃Si powders is less than -31.95 kJ/mole, and (b) the silicon to trasition metal atomic radius ratio is less than 0.985.

Original language	English
Pages (from-to)	1362-1365
Number of pages	4
Journal	Journal of Applied Physics
Volume	74
Issue number	2
DOIs	https://doi.org/10.1063/1.354893
Publication status	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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abstract = "Amorphization of TM-Si (TM: trasition metal) alloy powders by mechanical alloying has been systematically investigated. Pure element powder mixtures were mechanically alloyed for ten hours with a high energy ball mill. The results show that amorphous metallic silicide powders were successfully synthesized in Ti-Si, Zr-Si, Nb-Si, and Ta-Si systems. Prediction of the amorphization range of mechanically alloyed TM-Si powders by the Miedema model is inappropriate. The possible criteria for the amorphization of TM3Si powders after mechanical alloying 10 h in a shaker ball mill are (a) the free energy of amorphous state of TM3Si powders is less than -31.95 kJ/mole, and (b) the silicon to trasition metal atomic radius ratio is less than 0.985.",

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AU - Lee, Pee Yew

AU - Lin, Chung Kwei

AU - Lin, Hong Ming

PY - 1993

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N2 - Amorphization of TM-Si (TM: trasition metal) alloy powders by mechanical alloying has been systematically investigated. Pure element powder mixtures were mechanically alloyed for ten hours with a high energy ball mill. The results show that amorphous metallic silicide powders were successfully synthesized in Ti-Si, Zr-Si, Nb-Si, and Ta-Si systems. Prediction of the amorphization range of mechanically alloyed TM-Si powders by the Miedema model is inappropriate. The possible criteria for the amorphization of TM3Si powders after mechanical alloying 10 h in a shaker ball mill are (a) the free energy of amorphous state of TM3Si powders is less than -31.95 kJ/mole, and (b) the silicon to trasition metal atomic radius ratio is less than 0.985.

AB - Amorphization of TM-Si (TM: trasition metal) alloy powders by mechanical alloying has been systematically investigated. Pure element powder mixtures were mechanically alloyed for ten hours with a high energy ball mill. The results show that amorphous metallic silicide powders were successfully synthesized in Ti-Si, Zr-Si, Nb-Si, and Ta-Si systems. Prediction of the amorphization range of mechanically alloyed TM-Si powders by the Miedema model is inappropriate. The possible criteria for the amorphization of TM3Si powders after mechanical alloying 10 h in a shaker ball mill are (a) the free energy of amorphous state of TM3Si powders is less than -31.95 kJ/mole, and (b) the silicon to trasition metal atomic radius ratio is less than 0.985.

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Amorphization of transition metal-Si alloy powders by mechanical alloying

Abstract

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