Grain orientation in sol-gel derived Ln2Ti2O7 ceramics (Ln=La, Nd)

Sol-gel derived La2Ti2O7 and Nd2Ti2O7 exhibited preferential grain orientation on sintering. The extent of orientation in quantified in terms of the Lotgering orientation factor from the XRD intensities of pellets sintered at different temperatures. The microstructural studies indicated extensive or...

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Veröffentlicht in:	Materials letters 1991-12, Vol.12 (5), p.306-310
Hauptverfasser:	PRASADARAO, A. V, SELVARAJ, U, KOMARNENI, S, BHALLA, A. S
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Methods of crystal growth physics of crystal growth Physics Theory and models of crystal growth physics of crystal growth, crystal morphology and orientation
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Beschreibung
Zusammenfassung:	Sol-gel derived La2Ti2O7 and Nd2Ti2O7 exhibited preferential grain orientation on sintering. The extent of orientation in quantified in terms of the Lotgering orientation factor from the XRD intensities of pellets sintered at different temperatures. The microstructural studies indicated extensive orientation with sintering and also a change in morphology of the grains from acicular to large platelets. 15 refs.
ISSN:	0167-577X 1873-4979
DOI:	10.1016/0167-577X(91)90106-G