Powder for film formation or sintering

Powder for film formation or sintering

A powder for coating or sintering has a peak assigned to cubic Y3Al5O12 and a peak assigned to orthorhombic YAlO3 exhibited in X-ray diffractometry, and the intensity ratio of the peak assigned to the (112) plane of the orthorhombic YAlO3 to the peak assigned to the (420) plane of the cubic Y3Al5O12...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Matsukura, Kento, Moriuchi, Seiji
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
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
DIFFUSION TREATMENT OF METALLIC MATERIAL
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
INORGANIC CHEMISTRY
METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:A powder for coating or sintering has a peak assigned to cubic Y3Al5O12 and a peak assigned to orthorhombic YAlO3 exhibited in X-ray diffractometry, and the intensity ratio of the peak assigned to the (112) plane of the orthorhombic YAlO3 to the peak assigned to the (420) plane of the cubic Y3Al5O12 is at least 0.01 and less than 1. Alternatively, a powder for coating or sintering includes a composite oxide of yttrium and aluminum, and the volume of pores with a pore size of from 0.1 to 1 μm of the powder is at least 0.16 mL/g. It is preferable that, in X-ray diffractometry using CuKα radiation with a scan range of 2θ=20° to 60°, a peak assigned to the cubic Y3Al5O12 is a peak that shows the highest peak intensity.