Thermophysical properties of the melts of AlPdMn icosahedral quasicrystal

R. Ishikawaa Institute of Industrial Science, University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505, Japan

T. Ishikawab Japan Aerospace Exploration Agency, Tsukuba Space Center, 2-2-1, Sengen, Tsukuba, Ibaraki 305-8505, Japan

J. T. Okadac Department of Advanced Materials Science, University of Tokyo, Kiban-toh 502, 5-1-5 Kashiwanoha, Chiba 277-8651, Japan

T. Maskib Japan Aerospace Exploration Agency, Tsukuba Space Center, 2-2-1, Sengen, Tsukuba, Ibaraki 305-8505, Japan

Y. Watanabea Institute of Industrial Science, University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505, Japan

S. Nanaoa Institute of Industrial Science, University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505, Japan

Abstract

Thermophysical properties of Al₇₂Pd₂₀Mn₈ icosahedral quasicrystal melts were measured using the electrostatic levitation (ESL) technique. Viscosity increases substantially with decreasing temperature and increases rapidly just above the melting point. In the solidification process, an under-cooled state and a recalescence were not observed.

Acknowledgements

This work was supported in part by a Grant-in-Aid from the Ministry of Education, Culture, Sports, Science and Technology of Japan and the Light Metal Educational Foundation Incorporated.

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Thermophysical properties of the melts of AlPdMn icosahedral quasicrystal

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Thermophysical properties of the melts of AlPdMn icosahedral quasicrystal

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