High temperature refractory of MgCr/sub 2/O/sub 4/ matrix and unstabilized ZrO/sub 2/ particles

Patent · Tue Mar 03 00:00:00 EST 1987

OSTI ID:7078396

Singh, J P; James, J J; Picciolo, J J

This patent describes a sintered refractory product consisting essentially of MgCr/sub 2/O/sub 4/ as a matrix and about 5-30 wt.% unstablized ZrO/sub 2/ formed from particles of ZrO/sub 2/ having an average size below about 5 microns and above about 0.6 microns.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4647547
• OSTI ID: 7078396
• Resource Relation: Patent File Date: Filed date 10 Dec 1985
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
REFRACTORIES
CHEMICAL PREPARATION
CHROMIUM OXIDES
MAGNESIUM OXIDES
MATRIX MATERIALS
PARTICLE SIZE
QUANTITY RATIO
SINTERED MATERIALS
TEMPERATURE DEPENDENCE
ZIRCONIUM OXIDES
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CHROMIUM COMPOUNDS
MAGNESIUM COMPOUNDS
MATERIALS
OXIDES
OXYGEN COMPOUNDS
SIZE
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication