Abstract
It has been found by X-ray diffraction and structure analyses that in the reaction sintering of cubic boron nitride composites from the cBN+8 % Al+26 % TiC mixture at high pressure and temperature (4.2 GPa, 1750 K) in the binding ceramics composition in addition to AlN, there forms a Ti x Al1−x B2y N2(1−y) solid solution, in which titanium and aluminum atoms generate a skeleton, whose composition is close to the equimolar one and boron and nitrogen atoms are distributed randomly in graphite-like networks.
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Original Russian Text © M.P. Bezhenar, S.A. Bozhko, T.O. Garbuz, N.M. Bilyavyna, V.Ya. Markiv, 2008, published in Sverkhtverdye Materialy, 2008, Vol. 30, No. 5, pp. 40–50.
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Bezhenar, M.P., Bozhko, S.A., Garbuz, T.O. et al. Titanium/aluminum diborides in composites produced in the cBN-TiC-Al system by reaction sintering under high pressure. J. Superhard Mater. 30, 317–325 (2008). https://doi.org/10.3103/S1063457608050067
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DOI: https://doi.org/10.3103/S1063457608050067