Machinability and Microstructure of SiC/h-BN Nano-Composites |
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| Journal | Materials Science Forum (Volume 569) |
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| Volume | Eco-Materials Processing and Design IX |
| Edited by | Byungsei Jun, Hyungsun Kim, Chanwon Lee, Soo Wohn Lee |
| Pages | 45-48 |
| DOI | 10.4028/www.scientific.net/MSF.569.45 |
| Citation | Hai Yun Jin et al., 2008, Materials Science Forum, 569, 45 |
| Online since | January, 2008 |
| Authors | Hai Yun Jin, Guan Jun Qiao, Zong Ren Peng, Ji Qiang Gao |
| Keywords | h-BN, Machinability, Microstructure, Nanocomposite, Silicon Carbide (SiC) |
| Abstract | SiC particles coated with nano-BN were synthesized and the machinable SiC/BN ceramic nano-composites were fabricated by Plasma Active Sintering (PAS) in N2 atmosphere. The existing and distribution of h-BN phase were revealed by X-ray diffraction (XRD), and SEM. For the existing of weak interface between h-BN and SiC grains, the machinability of both SiC/BN micro-composites and nano-composites were improved obviously. Because the nano-sized h-BN crystals were homogeneously dispersed around the SiC grains of the matrix, the fracture strength of the nano-composites was better than the SiC/h-BN micro-composite. |
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