Viscous flow and microforming of a Zr-base bulk metallic glass

Jason S.C. Jang; C. F. Chang; Y. C. Huang; J. C. Huang; W. J. Chiang; C. T. Liu

doi:10.1016/j.intermet.2008.07.019

Viscous flow and microforming of a Zr-base bulk metallic glass

Jason S.C. Jang, C. F. Chang, Y. C. Huang, J. C. Huang, W. J. Chiang, C. T. Liu

材料科學與工程研究所

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

24 引文斯高帕斯（Scopus）

摘要

The thermal plastic deformation behavior of the (Zr₅₃Cu₃₀Ni₉Al₈)_99.5Si_0.5 bulk metallic glass (BMG) was studied by means of thermo mechanical analysis (TMA) and high-temperature compression test in the supercooled liquid region. Using the result obtained from TMA, the deformation behavior for (Zr₅₃Cu₃₀Ni₉Al₈)_99.5Si_0.5 BMG rod was investigated by compression test at different strain rates (5 × 10^-3∼5 × 10^-1 s^-1) and temperatures in the supercooled liquid region, specifically at 733 K, 738 K, 743 K, 748 K, and 753 K. The value of flow stress with a constant strain rate of 5 × 10^-3 s^-1 decreases with increasing temperature and reaches a relatively low flow stress of 36 MPa at the test temperature of 753 K. Conversely, the value of flow stress increases with the strain rate in compression. In this paper, an imprinted hologram pattern with 0.6 μm depth was demonstrated which showed extremely good microforming ability of this (Zr₅₃Cu₃₀Ni₉Al₈)_99.5Si_0.5 BMG in the supercooled liquid region.

原文	???core.languages.en_GB???
頁（從 - 到）	200-204
頁數	5
期刊	Intermetallics
卷	17
發行號	4
DOIs	https://doi.org/10.1016/j.intermet.2008.07.019
出版狀態	已出版 - 4月 2009

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10.1016/j.intermet.2008.07.019

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@article{8517a30e3f994e4a9ca9767d334f741d,

title = "Viscous flow and microforming of a Zr-base bulk metallic glass",

abstract = "The thermal plastic deformation behavior of the (Zr53Cu30Ni9Al8)99.5Si0.5 bulk metallic glass (BMG) was studied by means of thermo mechanical analysis (TMA) and high-temperature compression test in the supercooled liquid region. Using the result obtained from TMA, the deformation behavior for (Zr53Cu30Ni9Al8)99.5Si0.5 BMG rod was investigated by compression test at different strain rates (5 × 10-3∼5 × 10-1 s-1) and temperatures in the supercooled liquid region, specifically at 733 K, 738 K, 743 K, 748 K, and 753 K. The value of flow stress with a constant strain rate of 5 × 10-3 s-1 decreases with increasing temperature and reaches a relatively low flow stress of 36 MPa at the test temperature of 753 K. Conversely, the value of flow stress increases with the strain rate in compression. In this paper, an imprinted hologram pattern with 0.6 μm depth was demonstrated which showed extremely good microforming ability of this (Zr53Cu30Ni9Al8)99.5Si0.5 BMG in the supercooled liquid region.",

keywords = "B. Glasses, metallic, B. Superplastic behavior, C. Plastic forming, hot, F. Diffraction",

author = "Jang, {Jason S.C.} and Chang, {C. F.} and Huang, {Y. C.} and Huang, {J. C.} and Chiang, {W. J.} and Liu, {C. T.}",

note = "Funding Information: The authors would like to gratefully acknowledge the sponsorship under the project of NSC95-2221-E-214-015 and NSC96-2218-E-110-001(from the National Science Council of ROC), and the project of ISU97-07-01 and ISU97-07-01-01(from the I-Shou University). In addition, the authors also like to acknowledge the help on TEM analysis by the Micro and Nano Analysis Laboratory of I-Shou University. ",

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doi = "10.1016/j.intermet.2008.07.019",

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volume = "17",

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T1 - Viscous flow and microforming of a Zr-base bulk metallic glass

AU - Jang, Jason S.C.

AU - Chang, C. F.

AU - Huang, Y. C.

AU - Huang, J. C.

AU - Chiang, W. J.

AU - Liu, C. T.

N1 - Funding Information: The authors would like to gratefully acknowledge the sponsorship under the project of NSC95-2221-E-214-015 and NSC96-2218-E-110-001(from the National Science Council of ROC), and the project of ISU97-07-01 and ISU97-07-01-01(from the I-Shou University). In addition, the authors also like to acknowledge the help on TEM analysis by the Micro and Nano Analysis Laboratory of I-Shou University.

PY - 2009/4

Y1 - 2009/4

N2 - The thermal plastic deformation behavior of the (Zr53Cu30Ni9Al8)99.5Si0.5 bulk metallic glass (BMG) was studied by means of thermo mechanical analysis (TMA) and high-temperature compression test in the supercooled liquid region. Using the result obtained from TMA, the deformation behavior for (Zr53Cu30Ni9Al8)99.5Si0.5 BMG rod was investigated by compression test at different strain rates (5 × 10-3∼5 × 10-1 s-1) and temperatures in the supercooled liquid region, specifically at 733 K, 738 K, 743 K, 748 K, and 753 K. The value of flow stress with a constant strain rate of 5 × 10-3 s-1 decreases with increasing temperature and reaches a relatively low flow stress of 36 MPa at the test temperature of 753 K. Conversely, the value of flow stress increases with the strain rate in compression. In this paper, an imprinted hologram pattern with 0.6 μm depth was demonstrated which showed extremely good microforming ability of this (Zr53Cu30Ni9Al8)99.5Si0.5 BMG in the supercooled liquid region.

AB - The thermal plastic deformation behavior of the (Zr53Cu30Ni9Al8)99.5Si0.5 bulk metallic glass (BMG) was studied by means of thermo mechanical analysis (TMA) and high-temperature compression test in the supercooled liquid region. Using the result obtained from TMA, the deformation behavior for (Zr53Cu30Ni9Al8)99.5Si0.5 BMG rod was investigated by compression test at different strain rates (5 × 10-3∼5 × 10-1 s-1) and temperatures in the supercooled liquid region, specifically at 733 K, 738 K, 743 K, 748 K, and 753 K. The value of flow stress with a constant strain rate of 5 × 10-3 s-1 decreases with increasing temperature and reaches a relatively low flow stress of 36 MPa at the test temperature of 753 K. Conversely, the value of flow stress increases with the strain rate in compression. In this paper, an imprinted hologram pattern with 0.6 μm depth was demonstrated which showed extremely good microforming ability of this (Zr53Cu30Ni9Al8)99.5Si0.5 BMG in the supercooled liquid region.

KW - B. Glasses, metallic

KW - B. Superplastic behavior

KW - C. Plastic forming, hot

KW - F. Diffraction

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SN - 0966-9795

VL - 17

SP - 200

EP - 204

JO - Intermetallics

JF - Intermetallics

IS - 4

ER -

Viscous flow and microforming of a Zr-base bulk metallic glass

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