Non-Oxide Ceramic Nanocomposites with Multifunctionality |
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| Journal | Key Engineering Materials (Volume 403) |
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| Volume | SiAlONs and Non-oxides |
| Edited by | Katsutoshi Komeya, Yi-Bing Cheng, Junichi Tatami and Mamoru Mitomo |
| Pages | 45-48 |
| DOI | 10.4028/www.scientific.net/KEM.403.45 |
| Citation | Takafumi Kusunose et al., 2008, Key Engineering Materials, 403, 45 |
| Online since | December, 2008 |
| Authors | Takafumi Kusunose, Tohru Sekino |
| Keywords | Aluminium Nitride (AlN), Boron Nitride, Electric Conductivity, Electric Discharge Machining (EDM), Grain Boundary, High Thermal Conductivity, Machinability, Nanocomposite |
| 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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