Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Fabrication and Characteristics of YSZ-TiC Ceramics Composite by Using Hot Pressing

고온가압소결을 이용한 YSZ-TiC 세라믹스 복합체의 제조와 특성

  • Choi, Jae-Hyung (Engineering Ceramics Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Choi, Ji-Young (Engineering Ceramics Center, Korea Institute of Ceramic Engineering and Technology) ;
  • Kim, Seongwon (Engineering Ceramics Center, Korea Institute of Ceramic Engineering and Technology)
  • 최재형 (한국세라믹기술원 이천분원 엔지니어링세라믹센터) ;
  • 최지영 (한국세라믹기술원 이천분원 엔지니어링세라믹센터) ;
  • 김성원 (한국세라믹기술원 이천분원 엔지니어링세라믹센터)
  • Received : 2021.08.13
  • Accepted : 2021.10.21
  • Published : 2021.10.28
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Abstract

Zirconia has excellent mechanical properties, such as high fracture toughness, wear resistance, and flexural strength, which make it a candidate for application in bead mills as milling media as well as a variety of components. In addition, enhanced mechanical properties can be attained by adding oxide or non-oxide dispersing particles to zirconia ceramics. In this study, the densification and mechanical properties of YSZ-TiC ceramic composites with different TiC contents and sintering temperatures are investigated. YSZ - x vol.% TiC (x=10, 20, 30) system is selected as compositions of interest. The mixed powders are sintered using hot pressing (HP) at different temperatures of 1300, 1400, and 1500℃. The densification behavior and mechanical properties of sintered ceramics, such as hardness and fracture toughness, are examined.

Keywords

Acknowledgement

This work was supported by the Technology Innovation Program (Development of highly tough ceramic parts for 30 ㎛ bead mill system, No. 20011007) funded by the Ministry of Trade, Industry & Energy (MOTIE).

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