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Study on Metal Microfilter Coated with Ceramics by Using Plasma Thermal Spray Method

플라즈마 용사를 이용한 복합세라믹 미세필터 연구

  • Song, In-Gyu (Graduate school of Intelligent Vehicle & Transportation, Keimyung Univ.) ;
  • Lee, Young-Min (Dept. of Applied Computer Mold design, Korea Polytechincs VI) ;
  • Shin, Hyun-Myung (Mechanical and Automotive Engineering, Keimyung Univ.) ;
  • Choi, Hae-Woon (Mechanical and Automotive Engineering, Keimyung Univ.)
  • 송인규 (계명대학교 지능형자동차대학원) ;
  • 이영민 (한국폴리텍 VI 대학 컴퓨터응용금형과) ;
  • 신현명 (계명대학교 기계자동차공학과) ;
  • 최해운 (계명대학교 기계자동차공학과)
  • Received : 2011.03.04
  • Accepted : 2011.07.08
  • Published : 2011.09.01

Abstract

This research was performed on a microfilter made of a hybrid material (ceramic + metal) that was coated with ceramics on the metal-filter surface by using the thermal spray method. The ceramic powders used were $Al_2O_3+40TiO_2$ powder with a particle size of $20{\mu}m$ and $Al_2O_3$ (98%+)powder with a particle size of $45{\mu}m$. The metal filters were filter-grade $20{\mu}m$, $30{\mu}m$, and $50{\mu}m$ sintered metal powder filters (SIKA-R 20 IS, 30 IS, 50 IS; Sinter Metals Filters) and filter-grade $75{\mu}m$ sintered mesh filter with five layers. Ceramic-coated filters that were coated using the thermal spray method had a great influence on powder material, particle size, and coating thickness. However, these filters showed a fine performance when used as micro-filters.

Keywords

Hybrid Material;Ceramic Filter;Plasma Spray

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