Abrasive molten grains

The invention relates to molten grains having the following chemical composition in wt % in terms of oxides: Al2O3: balance to 100%; ZrO2+HfO2: 16-24%; MgO in an amount such that the weight ratio (ZrO2+HfO2)/MgO is between 25 and 65; other species: 0-2%. The grains can be used as abrasive grains.

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Bibliographische Detailangaben
Hauptverfasser:	PETIGNY SYLVAIN, MARLIN SAMUEL
Format:	Patent
Sprache:	eng
Schlagworte:	ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL ADHESIVES CHEMISTRY DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GRINDING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PERFORMING OPERATIONS POLISHES POLISHING POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH SKI WAXES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to molten grains having the following chemical composition in wt % in terms of oxides: Al2O3: balance to 100%; ZrO2+HfO2: 16-24%; MgO in an amount such that the weight ratio (ZrO2+HfO2)/MgO is between 25 and 65; other species: 0-2%. The grains can be used as abrasive grains.