The Thermal Diffusivity of Quasicrystalline Al72Pd20Mn8 Alloy

Y. Waseda; K. Watanabe; H. Ohta; An Pang Tsai; A. Inoue; T. Masumoto

doi:10.1515/zna-1993-0707

The Thermal Diffusivity of Quasicrystalline Al₇₂Pd₂₀Mn₈ Alloy

Y. Waseda, K. Watanabe, H. Ohta, An Pang Tsai, A. Inoue, T. Masumoto

Center for Exploration of New Inorganic Materials

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

A new cell has been developed for measuring the thermal diffusivity of small samples [about (5x2x0.5) mm³], using the laser flash method. The thermal diffusivities of small samples of titanium, SUS304 and Pyrex 7740 glass measured with this cell agree well with those obtained from samples of 10 mm in diameter and 0.4 mm in thickness. Then, the thermal diffusivity between 300 K and 950 K of quasicrystalline Al₇₂Pd₂₀Mn₈ with a single domain size of 5 mm, and that of crystalline Al₆₀Pd₂₅Mn₁₅ were measured. The thermal diffusivity of quasicrystalline Al₇₂Pd₂₀Mn₈ was found to be 4 to 7 times smaller than that of crystalline Al₆₀Pd₂₅Mn₁₅.

Original language	English
Pages (from-to)	784-786
Number of pages	3
Journal	Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume	48
Issue number	7
DOIs	https://doi.org/10.1515/zna-1993-0707
Publication status	Published - 1993 Jul 1

ASJC Scopus subject areas

Mathematical Physics
Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1515/zna-1993-0707

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title = "The Thermal Diffusivity of Quasicrystalline Al72Pd20Mn8 Alloy",

abstract = "A new cell has been developed for measuring the thermal diffusivity of small samples [about (5x2x0.5) mm3], using the laser flash method. The thermal diffusivities of small samples of titanium, SUS304 and Pyrex 7740 glass measured with this cell agree well with those obtained from samples of 10 mm in diameter and 0.4 mm in thickness. Then, the thermal diffusivity between 300 K and 950 K of quasicrystalline Al72Pd20Mn8 with a single domain size of 5 mm, and that of crystalline Al60Pd25Mn15 were measured. The thermal diffusivity of quasicrystalline Al72Pd20Mn8 was found to be 4 to 7 times smaller than that of crystalline Al60Pd25Mn15.",

author = "Y. Waseda and K. Watanabe and H. Ohta and Tsai, {An Pang} and A. Inoue and T. Masumoto",

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AU - Waseda, Y.

AU - Watanabe, K.

AU - Ohta, H.

AU - Tsai, An Pang

AU - Inoue, A.

AU - Masumoto, T.

PY - 1993/7/1

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