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Crystallization Behavior and Mechanical Property of Cu Based Metallic Glass Powders

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Abstract:

Crystallization behavior of gas atomized and spark plasma sintered (SPS) Cu54Ni6Zr22Ti18 amorphous powders were studied using X-ray diffractometer (XRD), differential scanning calorimeter (DSC) and transmission electron microscope (TEM). By heating to the temperatures of 837K and 909K, the amorphous phases in the powders formed particles such as Cu10Zr7 and Cu51Zr14. The size of crystals devitrified is about 20nm and 50nm, respectively. In order to identify the sintering ability of SPS, the compressive strength was measured with the initial powder size and SPS pressure.

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Recrystallization and Grain Growth III View Preview

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Periodical:

Materials Science Forum (Volumes 558-559)

Pages:

1317-1322

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.558-559.1317

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Online since:

October 2007

Authors:

Hye Sung Kim, J.K. Lee, Seung Y. Shin, Take-Soo Kim

Keywords:

Crystallization, Metallic Glass, Rapid Solidification, Thermal Behaviour

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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