PRODUCTION OF DIAMOND COATED MEMBER

PURPOSE:To obtain diamond coated members having high performance and ensuring a long service life of tools by modifying the surfaces of various substrates and forming diamond films excellent in adhesion to the substrates and exfoliation resistance. CONSTITUTION:A substrate is surface-treated at 70-1...

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Bibliographische Detailangaben
1. Verfasser:	MASUDA ATSUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR ARTIFICIAL STONE BORING CEMENTS CERAMICS 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 COMBINED OPERATIONS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CRYSTAL GROWTH DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIME, MAGNESIA MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY OTHER WORKING OF METAL PERFORMING OPERATIONS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL REFRACTORIES SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH SLAG SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF NATURAL STONE TURNING UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain diamond coated members having high performance and ensuring a long service life of tools by modifying the surfaces of various substrates and forming diamond films excellent in adhesion to the substrates and exfoliation resistance. CONSTITUTION:A substrate is surface-treated at 70-100 deg.C with a mixed acid composed of hydrofluoric acid and nitric acid or the surface-treated substrate is further heat-treated at 1,000-1,400 deg.C under 5-3,000 atm pressure with this mixed acid. Diamond is then formed on the substrate by a vapor phase method.