The Mechanical Properties of AlN/BN Laminated Ceramic Composites |
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| Journal | Materials Science Forum (Volume 569) |
|---|---|
| Volume | Eco-Materials Processing and Design IX |
| Edited by | Byungsei Jun, Hyungsun Kim, Chanwon Lee, Soo Wohn Lee |
| Pages | 97-100 |
| DOI | 10.4028/www.scientific.net/MSF.569.97 |
| Citation | Tao Zhang et al., 2008, Materials Science Forum, 569, 97 |
| Online since | January, 2008 |
| Authors | Tao Zhang, Hai Yun Jin, Yong Ian Wang, Zhi Hao Jin |
| Keywords | Aluminium Nitride (AlN), Boron Nitride, Laminated Composite, Property |
| Abstract | AlN/BN laminated ceramic composites were fabricated using tape-casting and hot-pressing by optimizing the designs of the structure and geometry of AlN/BN laminated ceramic composites. The results showed that the fracture toughness and bending strength for AlN/BN laminated ceramics reached 9.1MPa.m1/2 and 378MPa respectively. The fracture toughness is two times higher than that of AlN monolithic ceramics. The excellent fracture toughness of AlN/BN laminated ceramics could be mainly attributed to crack deflection, delaminating, branching, parallel propagation and crack laminate pilling out at the AlN/BN weak interface. |
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