Thermal conductivity and compressive strength anisotropy in vermiculite–ceramic composites with layered structure

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概要

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• High strength vermiculite–ceramic composites with a layered structure were fabricated by adding cellulose fibers as a pore former and by simple uniaxial pressing and subsequent sintering. During uniaxial pressing, the cellulose fibers were aligned perpendicular to the pressing direction and formed an aligned pore structure during sintering. The thermal conductivity (0.81 W/m·K) and compressive strength (39 MPa) of the composite fabricated from 35 mass % vermiculate, 30 mass % SiO2, 10 mass % Al2O3 and 25 mass % cellulose fibers, measured perpendicular to the pressing direction, were higher than those (0.52 W/m·K and 28 MPa) measured parallel to the pressing direction. The anisotropy in both thermal conductivity and compressive strength was attributed to the microstructural anisotropy.

• 公益社団法人 日本セラミックス協会の論文

著者

• Eom Jung-hye

  Dep. Of Materials Sci. And Engineering The Univ. Of Seoul

• EOM Jung-Hye

  Functional Ceramics Laboratory, Department of Materials Science and Engineering, The University of S

• KIM Young-Wook

  Functional Ceramics Laboratory, Department of Materials Science and Engineering, The University of S

• JEONG Doo-Hoa

  Hybrid Materials Research Department, Research Institute of Industrial Science & Technology

• LEE Seung-Seok

  Hybrid Materials Research Department, Research Institute of Industrial Science & Technology

• LEE Seung-Seok

  Hybrid Materials Research Department, Research Institute of Industrial Science & Technology

• EOM Jung-Hye

  Functional Ceramics Laboratory, Department of Materials Science and Engineering, University of Seoul

• JEONG Doo-Hoa

  Hybrid Materials Research Department, Research Institute of Industrial Science & Technology

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