Crystallization Behavior and Mechanical Property of Cu Based Metallic Glass Powders

Kim, Hye Sung; Lee, J.K.; Shin, Seung Y.; Kim, Taek Soo

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

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Paper Title:

Crystallization Behavior and Mechanical Property of Cu Based Metallic Glass Powders

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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Periodical

Materials Science Forum (Volumes 558-559)

Main Theme

Recrystallization and Grain Growth III

Edited by

S.-J.L. Kang, M.Y. Huh, N.M. Hwang, H. Homma, K. Ushioda and Y. Ikuhara

Pages

1317-1322

DOI

10.4028/www.scientific.net/MSF.558-559.1317

Citation

H. S. Kim, J.K. Lee, S. Y. Shin, T. S. Kim, "Crystallization Behavior and Mechanical Property of Cu Based Metallic Glass Powders", Materials Science Forum, Vols. 558-559, pp. 1317-1322, 2007

Online since

October 2007

Authors

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

Keywords

Crystallization, Metallic Glass, Rapid Solidification, Thermal Behaviour

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