Non-Oxide Ceramic Nanocomposites with Multifunctionality

Takafumi Kusunose; Tohru Sekino

doi:10.4028/www.scientific.net/KEM.403.45

Paper Titles

Sintering Shrinkage Behavior of Si₃N₄ Ceramics Prepared by a Post-Reaction Sintering Technique
p.31

Sintering Shrinkage Behavior and Mechanical Properties of HfO₂-Added Si₃N₄ Ceramics
p.35

Fabrication and Evaluation of AlN–SiC Solid Solutions with p-Type Electrical Conduction
p.39

Atomic Resolution and In Situ Characterization of Structural Ceramics
p.43

Non-Oxide Ceramic Nanocomposites with Multifunctionality
p.45

Electrical Resistivity Control of Hot-Pressed Aluminum Nitride Ceramics
p.49

Fracture Resistance and Wear Properties of Silicon Nitride Ceramics
p.53

Oxidation of Rare Earth Silicon Oxynitride J-Phases
p.57

Effect of Second Phase After-Heat Treatment on the Thermal Conductivity of AlN Ceramics
p.61

HomeKey Engineering MaterialsKey Engineering Materials Vol. 403Non-Oxide Ceramic Nanocomposites with...

Non-Oxide Ceramic Nanocomposites with Multifunctionality

Abstract:

Two types of Aluminum nitride (AlN) based ceramic nanocomposite with multifunctionality were investigated to improve machinability or electrical conductivity of AlN ceramics with high thermal conductivity. The AlN/BN nanocomposite was fabricated by hot-pressing AlN-BN composite powder, which was prepared by reducing and heating AlN particles containing a mixture of boric acid, urea and carbon. The nanocomposite containing 20 vol.% BN showed high strength, good machinability and relatively high thermal conductivity. On the other hand, the sintered AlN ceramics with CeO2 as an additive indicated high thermal conductivity and electric conductivity which is possible for electric discharge machining.

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Periodical:

Key Engineering Materials (Volume 403)

Pages:

45-48

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.403.45

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Online since:

December 2008

Authors:

Takafumi Kusunose, Tohru Sekino

Keywords:

Aluminum Nitride (AlN), Boron Nitride, Electric Conductivity, Electric Discharge Machining (EDM), Grain Boundary, High Thermal Conductivity, Machinability, Nanocomposite

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