Reaction mechanism in alumina/chromia (Al2O3-Cr2O3) solid solutions obtained by coprecipitation

Authors
Bondioli, F Ferrari, AM Leonelli, C Manfredini, T Linati, L Mustarelli, P
Citation
F. Bondioli et al., Reaction mechanism in alumina/chromia (Al2O3-Cr2O3) solid solutions obtained by coprecipitation, J AM CERAM, 83(8), 2000, pp. 2036-2040
Citations number
25
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science","Material Science & Engineering
Journal title
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN journal
00027820 → ACNP
Volume
83
Issue
8
Year of publication
2000
Pages
2036 - 2040
Database
ISI
SICI code
0002-7820(200008)83:8<2036:RMIA(S>2.0.ZU;2-O
Abstract
The aim of this work is to study the structural characteristics and propert ies of the solid solution (Al,Cr)(2)O-3. XRD analysis, Al-27 MAS-NMR measur ements, and microstructural characterization were used to determine the rel ationship between color and crystallochemical properties of the compounds f ormed, In particular, to determine more accurately the mechanism of solid s olution formation above the miscibility gap of the system, the marker techn ique was used. In order to define the behavior of the system for temperatur es below the miscibility gap at 1 bar pressure, the composition Al2O3:Cr2O3 1:1 was studied with high-temperature XRD.