Infrared optical and mechanical properties of ceramic coatings fabricated by aerosol deposition

Hiroki Tsuda, Jun Akedo, Shingo Hirose, Keishi Ohashi

Research output: Contribution to conferencePaper

Abstract

The possibility and mechanical improvement of the infrared ceramic coatings fabricated on fluoride substrates at room temperature by aerosol deposition (AD) were investigated aiming to optical components for infrared applications and devices. The yttria coating possibility fabricated on barium fluoride substrates by the AD process was found by adjusting one of the deposition conditions. The optical and mechanical properties of the fabricated ceramic coatings, which are important in practical applications, were evaluated by transmittance and hardness measurements respectively. The mechanical hardness of the fabricated yttria single coatings was increased to 4 times higher than that of the barium fluoride substrates. Furthermore, by an additional layer on a barium fluoride substrate, the mechanical properties of the fabricated multi-coatings including an upper yttria layer were improved from that of the single yttria coating on the barium fluoride substrate, retaining the IR transmittance of the single yttria coating at the wavelength of 10um.

Original languageEnglish
Pages406-410
Number of pages5
Publication statusPublished - 2012 Dec 1
Externally publishedYes
Event8th International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies, CICMT 2012 - Erfurt, Germany
Duration: 2012 Apr 162012 Apr 19

Other

Other8th International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies, CICMT 2012
CountryGermany
CityErfurt
Period12/4/1612/4/19

Keywords

  • Aerosol deposition
  • Ceramic coating
  • Fluorides
  • Infrared optical property
  • Mechanical property

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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  • Cite this

    Tsuda, H., Akedo, J., Hirose, S., & Ohashi, K. (2012). Infrared optical and mechanical properties of ceramic coatings fabricated by aerosol deposition. 406-410. Paper presented at 8th International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies, CICMT 2012, Erfurt, Germany.