Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Fabrication of Porous Ceramics and Multilayered Ceramics Containing Porous Layers; II. Heterogeneous Laminates

다공성 세라믹스와 다공질층을 포함하는 적층세라믹스의 제조에 관한 연구;II. 불균일 적층소결체

  • 이해원 (한국과학기술연구원 세라믹스연구부) ;
  • 윤복규 (u 한국과학기술연구원 세라믹스연구부) ;
  • 송휴섭 (u 한국과학기술연구원 세라믹스연구부)
  • Published : 1994.11.01
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Abstract

Tape casting and lamination were used to produce heterogeneous laminates with alternating layers of different porosity and homogeneous laminates with component layers of the same porosity. The pore structure was investigated for heterogeneous laminates, and bend strength was measured for comparison with that of homogeneous laminates. For a reference, strength measurement was made for the porous body fabricated by sintering samples dry-pressed at low pressure with spray-dried granules. Strength increase, in the range 50~120 MPa, was achieved in the presence of the surface dense layer, while extensive delamination, presumably responsible for enhanced fracture toughness, took place through the internal porous layer.

Keywords

References

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