Compositions: ceramic – Ceramic compositions – Refractory
Patent
1991-07-19
1993-11-30
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Refractory
501105, 501153, 501143, 501119, 501128, 428404, 428403, C04B 3510
Patent
active
052665364
ABSTRACT:
Green bodies suitable for use in manufacturing ceramic articles are provided. The bodies comprise a coherent mass of particles of aluminium oxide free of organic binder and having a fracture stress measured by a biaxial disc flexure test of at least 10 MPa. The particles of aluminium oxide are coated with at least one inorganic oxide or hydrous oxide.
The green body can be shaped by drilling, sawing etc. to a desired shape approximating to that of the ceramic article which it is used to produce. Generally such shaping is considerably easier than shaping the finished ceramic article.
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Bromley Anthony P.
Dransfield Graham P.
Egerton Terence A.
Riley Frank L.
Bell Mark L.
Bonner C. M.
Tioxide Group Services Limited
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