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Materials 2011, 4(12), 2061-2072; doi:10.3390/ma4122061
Article

Characterization of the Materials Synthesized by High Pressure-High Temperature Treatment of a Polymer Derived t-BC2N Ceramic

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1 E6 Advanced Materials, Element Six (Production) (Pty) Ltd, 1 Debid Road Nuffield, Springs 1559, South Africa 2 School of Chemical & Metallurgical Engineering, University of the Witwatersrand, P.Bag 3, Johannesburg Wits 2050, South Africa 3 DST/NRF Centre of Excellence in Strong Materials, Physics Building, University of the Witwatersrand, Johannesburg 2000, South Africa 4 Fraunhofer Institute for Ceramic Technologies & Systems, Winterbergstr. 28, Dresden 01277, Germany 5 Bayerisches Geoinstitut, Universität Bayreuth, Universitätstr. 30, Bayreuth 95447, Germany 6 Materialphysik und Technologie, Lehrstuhl für Kristallographie, Universitüt Bayreuth, Universitätstr. 30, Bayreuth 95447, Germany 7 FG Disperse Feststoffe, Institut für Materialwissenschaft, Technische Universität Darmstadt, Petersenstr. 32, Darmstadt 64287, Germany
* Author to whom correspondence should be addressed.
Received: 11 October 2011 / Accepted: 10 November 2011 / Published: 29 November 2011
(This article belongs to the Special Issue Hard Materials: Advances in Synthesis and Understanding)
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Abstract

Bulk B-C-N materials were synthesized under static high thermobaric conditions (20 GPa and 2,000 °C) in a multianvil apparatus from a polymer derived t-BC1.97N ceramic. The bulk samples were characterised using X-ray synchrotron radiation and analytical transmission electron microscopy in combination with electron energy loss spectroscopy. Polycrystalline B-C-N materials with a cubic type structure were formed under the applied reaction conditions, but the formation of a ternary cubic diamond-like c-BC2N compound, could not be unambiguously confirmed.
Keywords: boron carbonitride; polymer-derived ceramics; sintering; spectroscopy; X-ray diffraction boron carbonitride; polymer-derived ceramics; sintering; spectroscopy; X-ray diffraction
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Matizamhuka, W.R.; Sigalas, I.; Herrmann, M.; Dubronvinsky, L.; Dubrovinskaia, N.; Miyajima, N.; Mera, G.; Riedel, R. Characterization of the Materials Synthesized by High Pressure-High Temperature Treatment of a Polymer Derived t-BC2N Ceramic. Materials 2011, 4, 2061-2072.

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