Rangaraja, Lingappa ; Divakar, Canchi ; Jayaram, Vikram (2010) Reactive hot pressing of ZrB2-ZrCx ultra-high temperature ceramic composites with the addition of SiC particulate Journal of the European Ceramic Society, 30 (15). pp. 3263-3266. ISSN 0955-2219
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S09552...
Related URL: http://dx.doi.org/10.1016/j.jeurceramsoc.2010.05.030
Abstract
Starting with non-stoichiometric Zr-B4C powder mixture ZrB2-ZrC matrix composites with SiC particulate addition have been made. It was found that variable amounts (5-25 vol%) of SiC could be incorporated and reactively hot pressed (RHPed) to relative densities of 97-99% at 1400-1500 °C. This technique has the potential to fabricate ZrB2-based matrices at low temperatures with a variety of reinforcements whose composition and volume fraction are not limited by stoichiometric considerations. The hardness of the composites is in the range of 17-22 GPa.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to European Ceramic Society. |
| Keywords: | Borides; Carbides; Zirconium; Hot Pressing; Densification |
| ID Code: | 13683 |
| Deposited On: | 12 Nov 2010 15:07 |
| Last Modified: | 18 Feb 2011 08:43 |
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