Low-energy interfaces in NiO-ZrO2(CaO) eutectic

Vinayak P. Dravid*, C. E. Lyman, M. R. Notis, A. Revcolevschi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Interphase interfaces in the directionally solidified eutectic (DSE) NiO-ZrO2(CaO) have been investigated using transmission electron microscopy (TEM) techniques. Arguments are presented, based on extensive experimental results, to show that the observed interface plane, (111) NiO//(100) ZrO2, corresponds to a minimum in interface energy. The possible relaxation events associated with this interface are identified with the aid of imaging and diffraction analyses. A recently introduced technique of convergent beam electron diffraction for a plan-view bicrystal is attempted in order to identify rigid body translation associated with this interface. Some of the difficulties associated with this technique are discussed.

Original languageEnglish (US)
Pages (from-to)2309-2315
Number of pages7
JournalMetallurgical Transactions A
Volume21
Issue number9
DOIs
StatePublished - Sep 1 1990

ASJC Scopus subject areas

  • Engineering(all)

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