S. Turan et Km. Knowles, INTERPHASE BOUNDARIES BETWEEN HEXAGONAL BORON-NITRIDE AND BETA-SILICON NITRIDE IN SILICON-NITRIDE SILICON-CARBIDE PARTICULATE COMPOSITES, Journal of the European Ceramic Society, 17(15-16), 1997, pp. 1849-1854
Interphase boundaries between hexagonal boron nitride and beta-Si3N4 i
n hot isostatically pressed Si3N4-SiC particulate composites, in which
boron nitride appears as a trace contaminant, have been examined usin
g high resolution transmission electron microscopy. A number of charac
teristic orientation relationships were observed between these two pha
ses. Significantly, high resolution transmission electron microscopy s
howed that the interphase boundaries tended not to contain any intergr
anular films. (C) 1997 Elsevier Science Limited.