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

Byung Koog Jang, Yoshio Sakka, Hideaki Matsubara

Research output: Chapter in Book/Report/Conference proceedingConference 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 languageEnglish
Title of host publicationAdvanced Ceramic Coatings and Interfaces III - A Collection of Papers Presented at the 32nd International Conference on Advanced Ceramics and Composites
Pages137-146
Number of pages10
Volume29
Edition4
Publication statusPublished - 2009 Mar 27
EventAdvanced Ceramic Coatings and Interfaces III - 32nd International Conference on Advanced Ceramics and Composites - Daytona Beach, FL
Duration: 2008 Jan 272008 Feb 1

Other

OtherAdvanced Ceramic Coatings and Interfaces III - 32nd International Conference on Advanced Ceramics and Composites
CityDaytona Beach, FL
Period08/1/2708/2/1

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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