Creep deformation of single Al-Ni-Co decagonal quasicrystals

Yoshihiko Yokoyama; Ryunosuke Note; Shigeo Kimura; Kenzo Fukaura; Hisakichi Sunada; Akihisa Inoue

doi:10.2320/matertrans1989.40.351

Creep deformation of single Al-Ni-Co decagonal quasicrystals

Yoshihiko Yokoyama, Ryunosuke Note, Shigeo Kimura, Kenzo Fukaura, Hisakichi Sunada, Akihisa Inoue

Institute for Materials Research (IMR)

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The compressive creep deformations at elevated temperatures have been investigated using single decagonal Al-Ni-Co samples prepared by Czochralski method. The creep deformation is characterized by a significant anisotropy of activation energy between the different compressive directions of 2-fold symmetry axis (330 k J/mol) and 10-fold symmetry axis (120 k J/mol). The difference of deformation mechanisms along the 2-fold and 10-fold axes has been examined by the HRTEM observation which showed varied cluster rearrangements.

Original language	English
Pages (from-to)	351-357
Number of pages	7
Journal	Materials Transactions, JIM
Volume	40
Issue number	4
DOIs	https://doi.org/10.2320/matertrans1989.40.351
Publication status	Published - 1999 Apr

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Engineering(all)

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10.2320/matertrans1989.40.351

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abstract = "The compressive creep deformations at elevated temperatures have been investigated using single decagonal Al-Ni-Co samples prepared by Czochralski method. The creep deformation is characterized by a significant anisotropy of activation energy between the different compressive directions of 2-fold symmetry axis (330 k J/mol) and 10-fold symmetry axis (120 k J/mol). The difference of deformation mechanisms along the 2-fold and 10-fold axes has been examined by the HRTEM observation which showed varied cluster rearrangements.",

author = "Yoshihiko Yokoyama and Ryunosuke Note and Shigeo Kimura and Kenzo Fukaura and Hisakichi Sunada and Akihisa Inoue",

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AU - Yokoyama, Yoshihiko

AU - Note, Ryunosuke

AU - Kimura, Shigeo

AU - Fukaura, Kenzo

AU - Sunada, Hisakichi

AU - Inoue, Akihisa

PY - 1999/4

Y1 - 1999/4

N2 - The compressive creep deformations at elevated temperatures have been investigated using single decagonal Al-Ni-Co samples prepared by Czochralski method. The creep deformation is characterized by a significant anisotropy of activation energy between the different compressive directions of 2-fold symmetry axis (330 k J/mol) and 10-fold symmetry axis (120 k J/mol). The difference of deformation mechanisms along the 2-fold and 10-fold axes has been examined by the HRTEM observation which showed varied cluster rearrangements.

AB - The compressive creep deformations at elevated temperatures have been investigated using single decagonal Al-Ni-Co samples prepared by Czochralski method. The creep deformation is characterized by a significant anisotropy of activation energy between the different compressive directions of 2-fold symmetry axis (330 k J/mol) and 10-fold symmetry axis (120 k J/mol). The difference of deformation mechanisms along the 2-fold and 10-fold axes has been examined by the HRTEM observation which showed varied cluster rearrangements.

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JO - Materials Transactions

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Creep deformation of single Al-Ni-Co decagonal quasicrystals

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