Direct measurements of grain boundary sliding in yttrium-doped alumina bicrystals

K. Matsunaga; H. Nishimura; H. Muto; T. Yamamoto; Y. Ikuhara

doi:10.1063/1.1555690

Direct measurements of grain boundary sliding in yttrium-doped alumina bicrystals

K. Matsunaga, H. Nishimura, H. Muto, T. Yamamoto, Y. Ikuhara

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

50 Citations (Scopus)

Abstract

The behavior of grain boundary sliding in yttrium-doped alumina bicrystals was measured at high temperatures using bicrystals. Al₂O₃ bicrystals containing a random grain boundary with or without yttrium ions was fabricated. Microscopic and spectroscopic analysis showed that bicrystals were successfully joined at an atomic scale, and doped yttrium ions segregated along the grain boundaries. It was found that by using compressive creep tests the grain boundary sliding rate was restrained by two orders of magnitude due to yttrium addition compared to undoped bicrystals.

Original language	English
Pages (from-to)	1179-1181
Number of pages	3
Journal	Applied Physics Letters
Volume	82
Issue number	8
DOIs	https://doi.org/10.1063/1.1555690
Publication status	Published - 2003 Feb 24

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "The behavior of grain boundary sliding in yttrium-doped alumina bicrystals was measured at high temperatures using bicrystals. Al2O3 bicrystals containing a random grain boundary with or without yttrium ions was fabricated. Microscopic and spectroscopic analysis showed that bicrystals were successfully joined at an atomic scale, and doped yttrium ions segregated along the grain boundaries. It was found that by using compressive creep tests the grain boundary sliding rate was restrained by two orders of magnitude due to yttrium addition compared to undoped bicrystals.",

author = "K. Matsunaga and H. Nishimura and H. Muto and T. Yamamoto and Y. Ikuhara",

year = "2003",

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AU - Matsunaga, K.

AU - Nishimura, H.

AU - Muto, H.

AU - Yamamoto, T.

AU - Ikuhara, Y.

PY - 2003/2/24

Y1 - 2003/2/24

N2 - The behavior of grain boundary sliding in yttrium-doped alumina bicrystals was measured at high temperatures using bicrystals. Al2O3 bicrystals containing a random grain boundary with or without yttrium ions was fabricated. Microscopic and spectroscopic analysis showed that bicrystals were successfully joined at an atomic scale, and doped yttrium ions segregated along the grain boundaries. It was found that by using compressive creep tests the grain boundary sliding rate was restrained by two orders of magnitude due to yttrium addition compared to undoped bicrystals.

AB - The behavior of grain boundary sliding in yttrium-doped alumina bicrystals was measured at high temperatures using bicrystals. Al2O3 bicrystals containing a random grain boundary with or without yttrium ions was fabricated. Microscopic and spectroscopic analysis showed that bicrystals were successfully joined at an atomic scale, and doped yttrium ions segregated along the grain boundaries. It was found that by using compressive creep tests the grain boundary sliding rate was restrained by two orders of magnitude due to yttrium addition compared to undoped bicrystals.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 8

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Direct measurements of grain boundary sliding in yttrium-doped alumina bicrystals

Abstract

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