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US 2026/0274699 A1Published application
MgO POWDER, MgO SLURRY, AND METHODS OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
AssigneeNippon Steel Corporation
InventorsRyutaro YAMAGATA, Kazutoshi TAKEDA, Takafumi TAKAHASHI
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Abstract
This MgO powder has an MgO content of 90% or more, in which a mass of granular particles is 10% to 85% of a total mass of the MgO powder, and Lgave/Lfave is more than 1.00, where an average particle size of plate-like particles is indicated by Lfave and an average particle size of the granular particles is indicated by Lgave.
Claims7
An MgO powder comprising:
- MgO particles,
- wherein an Mg content of the MgO powder is 90% or more,
- a mass of MgO particles in which La/Lb is less than 1.50 is 10% to 85% of a total mass of the MgO powder, where a major axis length of the MgO particles is denoted by La and a minor axis length of the MgO particles is denoted by Lb among the MgO particles, and
- Lgave/Lfave is more than 1.00, where an average particle size of MgO particles in which the La/Lb is 1.50 or more is denoted by Lfave and an average particle size of the MgO particles in which the La/Lb is less than 1.50 is denoted by Lgave.
1 more element
Dependencies are inferred from the claim text.