Designing ductile Zr-based bulk metallic glasses with phase separated microstructure

Xinghao Du; Jacob C. Huang; Ker Chang Hsieh; Jason S.C. Jang; Peter K. Liaw; Hai Ming Chen; Hung Sheng Chou; Yan Huei Lai

doi:10.1002/adem.200800370

Designing ductile Zr-based bulk metallic glasses with phase separated microstructure

Xinghao Du, Jacob C. Huang, Ker Chang Hsieh, Jason S.C. Jang, Peter K. Liaw, Hai Ming Chen, Hung Sheng Chou, Yan Huei Lai

Graduate Institute of Materials Science and Engineering

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

20 Scopus citations

Abstract

The thermodynamic computation, the phase-separated Zr based bulk metallic glasses, Zr ₆₆Ni _19.3Cu _9.7Al ₅ and Zr _61.9Ni _16.7Cu _11.4Al ₁₀, with a dramatically enhanced plasticity up to 20% are developed. The study has also described the computational thermodynamic approach to identify the potential compositions of alloys exhibiting the two liquid miscibility phase equilibrium in the liquid temperature region has been described in the papers. The glassy nature of the 2mm diameter ingots for the designed alloys was first ascertained by X-ray diffraction (XRD), where the EDS measurements at different locations featured slight different readings of the compositions. The experiment presented promising results by demonstrating the possibility of designing other ductile bulk metallic glasses with high strength and plasticity using the thermodynamic calculations.

Original language	English
Pages (from-to)	387-391
Number of pages	5
Journal	Advanced Engineering Materials
Volume	11
Issue number	5
DOIs	https://doi.org/10.1002/adem.200800370
State	Published - May 2009

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abstract = "The thermodynamic computation, the phase-separated Zr based bulk metallic glasses, Zr 66Ni 19.3Cu 9.7Al 5 and Zr 61.9Ni 16.7Cu 11.4Al 10, with a dramatically enhanced plasticity up to 20% are developed. The study has also described the computational thermodynamic approach to identify the potential compositions of alloys exhibiting the two liquid miscibility phase equilibrium in the liquid temperature region has been described in the papers. The glassy nature of the 2mm diameter ingots for the designed alloys was first ascertained by X-ray diffraction (XRD), where the EDS measurements at different locations featured slight different readings of the compositions. The experiment presented promising results by demonstrating the possibility of designing other ductile bulk metallic glasses with high strength and plasticity using the thermodynamic calculations.",

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AU - Du, Xinghao

AU - Huang, Jacob C.

AU - Hsieh, Ker Chang

AU - Jang, Jason S.C.

AU - Liaw, Peter K.

AU - Chen, Hai Ming

AU - Chou, Hung Sheng

AU - Lai, Yan Huei

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AB - The thermodynamic computation, the phase-separated Zr based bulk metallic glasses, Zr 66Ni 19.3Cu 9.7Al 5 and Zr 61.9Ni 16.7Cu 11.4Al 10, with a dramatically enhanced plasticity up to 20% are developed. The study has also described the computational thermodynamic approach to identify the potential compositions of alloys exhibiting the two liquid miscibility phase equilibrium in the liquid temperature region has been described in the papers. The glassy nature of the 2mm diameter ingots for the designed alloys was first ascertained by X-ray diffraction (XRD), where the EDS measurements at different locations featured slight different readings of the compositions. The experiment presented promising results by demonstrating the possibility of designing other ductile bulk metallic glasses with high strength and plasticity using the thermodynamic calculations.

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Designing ductile Zr-based bulk metallic glasses with phase separated microstructure

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