Young's modulus and thermal conductivity of nanoporous YSZ coatings fabricated by EB-PVD

Byung Koog Jang; Yoshio Sakka; Hideaki Matsubara

Young's modulus and thermal conductivity of nanoporous YSZ coatings fabricated by EB-PVD

Byung Koog Jang, Yoshio Sakka, Hideaki Matsubara

ENV - Environmental Studies for Advanced Society

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

ZrO₂-4mol% Y₂O₃ coatings onto zirconia substrate were deposited by EB-PVD. Influence of the rotation speed of substrate and porosity on thermal conductivity of coated samples was investigated. Thermal conductivity of the ZrO2-4mol% Y₂O₃ coatings was estimated by laser flash method. The thermal conductivity of coating layers shews decreasing tendency with increasing the porosity according to rotation speed. A nanoindentation technique for determining Young's moduli is applied to EB-PVD ZrO2-4mol%Y₂O₃ coatings. Young's modulus of the surface regions of the coatings is found to be higher than that of the side regions.

Original language	English
Title of host publication	Advanced Ceramic Coatings and Interfaces III - A Collection of Papers Presented at the 32nd International Conference on Advanced Ceramics and Composites
Pages	137-146
Number of pages	10
Volume	29
Edition	4
Publication status	Published - 2009 Mar 27
Event	Advanced Ceramic Coatings and Interfaces III - 32nd International Conference on Advanced Ceramics and Composites - Daytona Beach, FL Duration: 2008 Jan 27 → 2008 Feb 1

Other

Other	Advanced Ceramic Coatings and Interfaces III - 32nd International Conference on Advanced Ceramics and Composites
City	Daytona Beach, FL
Period	08/1/27 → 08/2/1

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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Young's modulus and thermal conductivity of nanoporous YSZ coatings fabricated by EB-PVD. / Jang, Byung Koog; Sakka, Yoshio; Matsubara, Hideaki.

Advanced Ceramic Coatings and Interfaces III - A Collection of Papers Presented at the 32nd International Conference on Advanced Ceramics and Composites. Vol. 29 4. ed. 2009. p. 137-146.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Jang, BK, Sakka, Y & Matsubara, H 2009, Young's modulus and thermal conductivity of nanoporous YSZ coatings fabricated by EB-PVD. in Advanced Ceramic Coatings and Interfaces III - A Collection of Papers Presented at the 32nd International Conference on Advanced Ceramics and Composites. 4 edn, vol. 29, pp. 137-146, Advanced Ceramic Coatings and Interfaces III - 32nd International Conference on Advanced Ceramics and Composites, Daytona Beach, FL, 08/1/27.

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title = "Young's modulus and thermal conductivity of nanoporous YSZ coatings fabricated by EB-PVD",

abstract = "ZrO2-4mol% Y2O3 coatings onto zirconia substrate were deposited by EB-PVD. Influence of the rotation speed of substrate and porosity on thermal conductivity of coated samples was investigated. Thermal conductivity of the ZrO2-4mol% Y2O3 coatings was estimated by laser flash method. The thermal conductivity of coating layers shews decreasing tendency with increasing the porosity according to rotation speed. A nanoindentation technique for determining Young's moduli is applied to EB-PVD ZrO2-4mol%Y2O3 coatings. Young's modulus of the surface regions of the coatings is found to be higher than that of the side regions.",

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AU - Jang, Byung Koog

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N2 - ZrO2-4mol% Y2O3 coatings onto zirconia substrate were deposited by EB-PVD. Influence of the rotation speed of substrate and porosity on thermal conductivity of coated samples was investigated. Thermal conductivity of the ZrO2-4mol% Y2O3 coatings was estimated by laser flash method. The thermal conductivity of coating layers shews decreasing tendency with increasing the porosity according to rotation speed. A nanoindentation technique for determining Young's moduli is applied to EB-PVD ZrO2-4mol%Y2O3 coatings. Young's modulus of the surface regions of the coatings is found to be higher than that of the side regions.

AB - ZrO2-4mol% Y2O3 coatings onto zirconia substrate were deposited by EB-PVD. Influence of the rotation speed of substrate and porosity on thermal conductivity of coated samples was investigated. Thermal conductivity of the ZrO2-4mol% Y2O3 coatings was estimated by laser flash method. The thermal conductivity of coating layers shews decreasing tendency with increasing the porosity according to rotation speed. A nanoindentation technique for determining Young's moduli is applied to EB-PVD ZrO2-4mol%Y2O3 coatings. Young's modulus of the surface regions of the coatings is found to be higher than that of the side regions.

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