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Chinese Journal of High Pressure Physics  > 1994  >  8(2): 141-145 .
YU Ri-Cheng, XU Da-Peng, SU Wen-Hui, PANG Yan-Xin. The Formation of Decagonal Quasicrystal and a New Crystalline Approximant in Al70Co15Tb5Ni10 Alloy[J]. Chinese Journal of High Pressure Physics, 1994, 8(2): 141-145 . doi: 10.11858/gywlxb.1994.02.008
Citation: YU Ri-Cheng, XU Da-Peng, SU Wen-Hui, PANG Yan-Xin. The Formation of Decagonal Quasicrystal and a New Crystalline Approximant in Al70Co15Tb5Ni10 Alloy[J]. Chinese Journal of High Pressure Physics, 1994, 8(2): 141-145 . doi: 10.11858/gywlxb.1994.02.008
shu

The Formation of Decagonal Quasicrystal and a New Crystalline Approximant in Al70Co15Tb5Ni10 Alloy

doi: 10.11858/gywlxb.1994.02.008
  • 1.

    Department of Physics, Jilin University, Changchun 130023, China;

  • 2.

    International Centre for Materials Physics, Academia Sinica, Shenyang 110015, China;

  • 3.

    Centre for Condensed and Radiation Physics, CCAST (World Laboratory), Beijing 100080

More Information
  • Corresponding author: YU Ri-Cheng
  • Received Date: 30 Dec 1992
  • Rev Recd Date: 30 Aug 1993
  • Publish Date: 05 Jun 1994
    Abstract
  • In this paper, samples of Al70Co15Tb5Ni10 in fusion state (1 450 ℃) were quenched with a cooling rate of 102 ℃/s under high static pressure (4.40 GPa). Decagonal quasicrystal and a new crystalline approximant were found in the samples for the first time. The structures of the decagonal quasicrystal and the new crystalline approximant were analyzed by TEM. Lattice parametere of the new crystalline approximant obtained from TEM observation are similar to those of the theoretical calculation.

     

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