Corrosion behavior of volcanic ash and calcium magnesium aluminosilicate on Yb2SiO5 environmental barrier coatings

Byungkoog Jang, Fan Jie Feng, Keiko Suzuta, Hidehiko Tanaka, Yoshitaka Matsushita, Kee Sung Lee, Shunkichi Ueno

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

High-temperature corrosion behavior of volcanic ash and artificial calcium-magnesium-aluminosilicate (CMAS) on sintered ytterbium monosilicate (Yb2SiO5), and the corrosion resistance of Yb2SiO5 as an environmental barrier coating, are investigated. Dense sintered Yb2SiO5 specimens were prepared using the spark plasma sintering method at 1400°C for 10 min. These specimens were subjected to a hot corrosive environment of molten Iceland volcanic ash and CMAS at 1400°C for 2, 12, and 48 h. Different corrosion phenomena, i.e., continuous reaction with CMAS and weak reaction with the volcanic ash, were observed. From the results of in-situ high temperature X-ray diffraction measurement and scanning electron microscope-energy dispersive X-ray spectrometry studies, Yb2SiO5 exhibits excellent resistance to volcanic ash but lacks resistance to CMAS attack.

元の言語英語
ページ(範囲)326-332
ページ数7
ジャーナルJournal of the Ceramic Society of Japan
125
発行部数4
DOI
出版物ステータス出版済み - 4 1 2017

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Ashes
Volcanic Eruptions
Aluminosilicates
ashes
Magnesium
magnesium
calcium
volcanology
Calcium
corrosion
Corrosion
coatings
Coatings
Ytterbium
Caustics
Iceland
Spark plasma sintering
ytterbium
sparks
corrosion resistance

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

これを引用

Corrosion behavior of volcanic ash and calcium magnesium aluminosilicate on Yb2SiO5 environmental barrier coatings. / Jang, Byungkoog; Feng, Fan Jie; Suzuta, Keiko; Tanaka, Hidehiko; Matsushita, Yoshitaka; Lee, Kee Sung; Ueno, Shunkichi.

:: Journal of the Ceramic Society of Japan, 巻 125, 番号 4, 01.04.2017, p. 326-332.

研究成果: ジャーナルへの寄稿記事

Jang, Byungkoog ; Feng, Fan Jie ; Suzuta, Keiko ; Tanaka, Hidehiko ; Matsushita, Yoshitaka ; Lee, Kee Sung ; Ueno, Shunkichi. / Corrosion behavior of volcanic ash and calcium magnesium aluminosilicate on Yb2SiO5 environmental barrier coatings. :: Journal of the Ceramic Society of Japan. 2017 ; 巻 125, 番号 4. pp. 326-332.
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abstract = "High-temperature corrosion behavior of volcanic ash and artificial calcium-magnesium-aluminosilicate (CMAS) on sintered ytterbium monosilicate (Yb2SiO5), and the corrosion resistance of Yb2SiO5 as an environmental barrier coating, are investigated. Dense sintered Yb2SiO5 specimens were prepared using the spark plasma sintering method at 1400°C for 10 min. These specimens were subjected to a hot corrosive environment of molten Iceland volcanic ash and CMAS at 1400°C for 2, 12, and 48 h. Different corrosion phenomena, i.e., continuous reaction with CMAS and weak reaction with the volcanic ash, were observed. From the results of in-situ high temperature X-ray diffraction measurement and scanning electron microscope-energy dispersive X-ray spectrometry studies, Yb2SiO5 exhibits excellent resistance to volcanic ash but lacks resistance to CMAS attack.",
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AU - Jang, Byungkoog

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AU - Suzuta, Keiko

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AU - Matsushita, Yoshitaka

AU - Lee, Kee Sung

AU - Ueno, Shunkichi

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