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US 2021/0101835 A1Published application
Chromia-based brick
AssigneeTyk Corporation
InventorsYasushi IKEUCHI, Tomohiko NAKATANI
Life of this patent
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Abstract
A chromia-based brick, having chromia as a main component, includes: 70 to 95 mass % of Cr2O3; 0.5 to 15 mass % of ZrO2; 0.4 to 4.0 mass % of P2O5 derived from phosphate added as raw material; 10 or lower mass % of Al2O3; and a sintering aid component and unavoidable components.
Claims8
A chromia-based brick, having chromia as a main component, comprising:
- 70 to 95 mass % of Cr2O3;
- 0.5 to 15 mass % of ZrO2;
- 0.4 to 4.0 mass % of P2O5 derived from phosphate added as raw material;
- 10 or lower mass % of Al2O3;
- and
- a sintering aid component and unavoidable components.
3 more elements
A chromia-based brick, having chromia as a main component, comprising:
- 75 to 95 mass % of Cr2O3;
- 0.5 to 14 mass % of ZrO2;
- 1.5 to 3.0 mass % of P2O5 derived from phosphate added as raw material;
- 8 or lower mass % of Al2O3;
- and
- a sintering aid component and unavoidable components.
3 more elements
A chromia-based brick, having chromia as a main component, comprising:
- 88 to 98 mass % of Cr2O3;
- and
- 1.5 to 3.0 mass % of P2O5 derived from phosphate added as the raw material;
- 10 or lower mass % of Al2O3;
- and
- a sintering aid component and unavoidable components.
3 more elements
Dependencies are inferred from the claim text.