Alumina powder for solid aluminizing agent, processing method thereof, and aluminizing technology using aluminizing agent of alumina powder

An alumina powder for a solid aluminizing agent selects industrial I grade alumina powder, the content of sodium oxide in the alumina powder is not greater than 0.55wt%, the content of alpha-Al2O3 in the alumina powder is not smaller than 80%, the granularity of the alumina powder is 100-320 meshes,...

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Bibliographische Detailangaben
Hauptverfasser:	HOU BINGMIN, GAO GUIZHONG, SUN XIAOXIA, CHANG YUTONG, LYU GANG, WANG BO, LI SHUWEN, LI WEIWEI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	An alumina powder for a solid aluminizing agent selects industrial I grade alumina powder, the content of sodium oxide in the alumina powder is not greater than 0.55wt%, the content of alpha-Al2O3 in the alumina powder is not smaller than 80%, the granularity of the alumina powder is 100-320 meshes, and the angle of repose of the alumina powder is not greater than 35DEG. The alumina powder for a solid aluminizing agent is selected as a filler for solid aluminizing, and can completely eliminate aluminizing defects caused by fillers.