Characterization of TiB2-Ti(CN)-Ni ceramics by transmission and analytical electron microscopy

The microstructure of TiB2-Ti(CN)-Ni ceramics was investigated using electron microscopy. TiB2 and Ti(CN) often grew together with a unique orientation relationship. Ti(CN) particles also precipitated in TiB2 crystals and a different orientation relationship between precipitated Ti(CN) particles and...

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Veröffentlicht in:	Materials letters 1993-06, Vol.16 (6), p.317-321
Hauptverfasser:	DAI, J. Y, LI, D. X, YE, H. Q, ZHANG, G. J, JIN, Z. Z
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Inorganic compounds Miscellaneous Physics Structure of solids and liquids crystallography Structure of specific crystalline solids
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Zusammenfassung:	The microstructure of TiB2-Ti(CN)-Ni ceramics was investigated using electron microscopy. TiB2 and Ti(CN) often grew together with a unique orientation relationship. Ti(CN) particles also precipitated in TiB2 crystals and a different orientation relationship between precipitated Ti(CN) particles and TiB2 crystals was observed. The TiB2/Ti(CN) interface was investigated using high-resolution electron microscopy. Hot pressed material was found to have two Ni-rich intergranular phases with Ni31Si12 and Ni16Ti6Si7 type structures and an amorphous phase on grain boundaries. 7 refs.
ISSN:	0167-577X 1873-4979
DOI:	10.1016/0167-577x(93)90200-h