DE2149294B2 - Verfahren zur Härtung und zum Korrosionsschutz der Oberfläche eines Stahlstücks sowie Anwendung des bei Durchführung des Verfahrens erhaltenen StahlstUcks - Google Patents

Verfahren zur Härtung und zum Korrosionsschutz der Oberfläche eines Stahlstücks sowie Anwendung des bei Durchführung des Verfahrens erhaltenen StahlstUcks

Info

Publication number
DE2149294B2
DE2149294B2 DE2149294A DE2149294A DE2149294B2 DE 2149294 B2 DE2149294 B2 DE 2149294B2 DE 2149294 A DE2149294 A DE 2149294A DE 2149294 A DE2149294 A DE 2149294A DE 2149294 B2 DE2149294 B2 DE 2149294B2
Authority
DE
Germany
Prior art keywords
chromium
steel
layer
hardening
carbide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE2149294A
Other languages
English (en)
Other versions
DE2149294A1 (de
DE2149294C3 (de
Inventor
Werner Neuchatel Haenni
Hans E. Anet Bern Hintermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of DE2149294A1 publication Critical patent/DE2149294A1/de
Publication of DE2149294B2 publication Critical patent/DE2149294B2/de
Application granted granted Critical
Publication of DE2149294C3 publication Critical patent/DE2149294C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/36—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including layers graded in composition or physical properties
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/32—Carbides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/34—Nitrides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/36—Carbonitrides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/38—Borides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/40—Oxides
    • C23C16/403—Oxides of aluminium, magnesium or beryllium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
    • C23C16/42—Silicides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/325—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with layers graded in composition or in physical properties
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/341—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one carbide layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/347—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with layers adapted for cutting tools or wear applications
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G04B37/223—Materials or processes of manufacturing pocket watch or wrist watch cases metallic cases coated with a nonmetallic layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/938—Vapor deposition or gas diffusion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12583—Component contains compound of adjacent metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611—Oxide-containing component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12674—Ge- or Si-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component
    • Y10T428/12757—Fe
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12778—Alternative base metals from diverse categories
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component
    • Y10T428/12854—Next to Co-, Fe-, or Ni-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Vapour Deposition (AREA)
  • Physical Vapour Deposition (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Heat Treatment Of Articles (AREA)

Description

in der Gasphase erzeugt. Das verwendete Metall 65 j
kann Chrom, Tantal, Aluminium, Silizium, Nickel Cr 4- CI2 —> CrCl2
sein, wobei das letztere jedoch nur in Betracht kommt,
wenn die abschließende, härtende Schicht nicht aus zu bilden.
3 4
Für die Abscheidung des Chroms läßt man das so direkt im gasförmigen Zustand eingeführt werden,
erhaltene Gemisch: Chromchlorid/Argon/Wasserstoff/ Dicyclopentadien muß vorher in 4en dampfförmigen
restliche Salzsäure sei es unmittelbar, sei es mit Zustand überführt werden.
Wasserstoff verdünnt, auf den Grundwerkstoff ein- Man läßt beispielsweise das gasförmige Gemisch
wirken. Man arbeitet unter atmosphärischem Druck 5 CH4: TiCl4: H2 in den Verhältnissen 1:1:100 bis
mit großen Gasmengen oder selbst im Vakuum (vor- 5: 5:100 auf den Grundwerkstoff in einem Reaktor
zugsweise 50 bis 100 Torr), um so schnell wie möglich einwirken, dessen wesentliche- Teile aus 80% Ni,
die gasförmigen Produkte zu entfernen, die normaler- 14% Cr, 6% Fe bestehen, indem man darauf achtet,
weise aus Salzsäure und Eisenchlorid bestehen. daß alle Eisenteile vermieden werden.
Man kann die Zwischenschicht ebenfalls mi* Hilfe io Nach der Gleichung
mehrerer Metalle verwirklichen, z. B. eine erste
Schicht aus Silizium und eine zweite aus Chrom ^x. _..„ H2 .„„. /irrv
niederschlagen. CH* + TllC* ~^ TlC + 4HCI (U1>
Es empfiehlt sich darauf zu achten, daß die Zwischenschicht nicht weniger hart ist als der Grundwerkstoff. 15 sind die Produkte voluminöser, und deshalb arbeitet
Die härtende Eudschicht, die an sich ebenso be- man in einem Vakujm von 10 bis 100 Torr (Tem-
kannt ist wie die für ihre Abscheidung verwendeten peratur von 800 bis 9000C).
Mittel, wird ebenso auf chemischem Wege in der Man kann die härtende Schicht ebenfalls in Form
Gasphase erzeugt Sie wird von einem Carbid, einem einer Aluminiumoxid-Schicht verwirklichen oder auch
Nitrid, einem Suizid oder einem Borid eines tempera- ao als kombinierte Schicht, z. B. aus Chromcarbid und
turfesten Metalls der Gruppen III bis VI des peri- Titancarbid oder aus Titancarbid und Titannitrid,
odischen Systems gebildet, vorzugsweise von Nickel- um Farbnuancen zwischen silberfarbig und goldfarbig
borid oder Tantal- oder Titancarbid. Beispielsweise zu erhalten.
im Falle des Titancarbids wird eine Titanverbindung, Das Verfahren nach der Erfindung gestattet, alle wie z. B. Titantetrachlorid, in einem Flüssigkeitsver- as harten und korrosionsfesten Stücke herzustellen, insdampfer verdampft und ständig dem Gasfluß zugefügt. besondere Teile von Uhrgehäusen, wie z. B. Gehäuse-Methan, Äthin oder Äthylen beispielsweise könnne mittelteile, Deckelringe, deren Abdeckungen usw.

Claims (2)

Titancarbid besteht Im Falle des Chroms hat die Patentansprüche: Erfahrung gezeigt, daß d*> niedergeschlagene Me'all mit dem Kohlenstoff des Stahls Chromcarbide bildet,
1. Verfahren zur Härtung und zum Korrosions- die sich besonders ^ ab C«*idtaÄ WtoJ. schutz der Oberfläche eines Stahlstücks durch Ab- 5 schließenden Niederschlag der hartenden T.tancarb.dscheidung einer härtenden Schicht auf einer auf Sc^\e;^omierung spielen sich die beiden nach-SLATSh*.el"?n?fe?ch ?S stehenÄ^* von denen entweder die ^ auf dem Stahlstich eine mmdesten? teilweise eine oder die andere überlegtje,nach der Art des in den Grundwerkstoff eindiffundierende Zwischen- »o gewählten Reduktionsmittels, se. es Wasv toff oder schicht aus mindestens einem der passivierbaren Metall: -,,,^i
Metalle Chrom, Tantal, Aluminium, Silicium und CrCl2 + H2 -> Cr T 2HCl (1)
Nickel aufbringt und darauf in bekannter Weise CrCl2 + Fe -* Cr + FeCI2 (11)
auf chemischem Wege in der Gasphase eine . rtmuinn»„M ·, d
härtende Schicht aus Titancarbid und/oder Titan- 15 Man geht aus von einem Chromhalogenid, ζ. Β nitrid, Chromcarbid, Tantalcarbid, Nickelborid von Chromtnchlond, das in die Gleichungen I und II oder Aluminiumoxid abscheidet. der Einfachheit halber als CrCl2 einge uhrtw.rd das
2. Anwendung des Verfahrens nach Anspruch 1 aber in Wirklichkeit al e (U)- und (lll)-Chrornhalcfür die Herstellung von harten und korrosion- genide in der Stufenfolge der Valenzen umfaßt. In festen Uhrengehäusetsilen. *« Gleichung 1 wird das Reduktionsmittel des Wasserstoffs allmählich dem Chromhalogenid zugefügt, während nach Gleichung H dies ein Metall ist, das
gewöhnlich mit dem Grundwerkstoff, gegebenenfalls
Eisen, übereinstimmt.
a5 Entsprechend den gewählten Parametern, Tem-
Die Erfindung betrifft ein Verfahren zur Härtung peratur, Druck, Gaskonzentration, Grundwerkstoff
und zum Korrosionsschutz der Oberfläche eines Stahl- usw. bildet sich an der Oberfläche der Probe eme voll-
•tücks durch Abscheidung einer härtenden Schicht auf ständig oder teilweise diffundierte Lhromschicnt.
einer auf dem Grundwerkstoff aufgetragenen Zwi- Die Niederschlagstemperaturtn liegen vorzugsweise
jchenschicht. 30 oberhalb von 85O°C, damit ein ausreichend hoher
Es sind Verfahren zur Herstellung von Überzügen Dampfdruck des Chromchlorids ausgeübt werden
auf Eisenwerkstoffen bekannt, bei denen eine härtende kann.
Schicht auf dem Werkstoff abgeschieden wird (DT-AS Es lassen sich große D»*usionszonen in einem min-1142 261, 1092 271 und 1 116 499). Es ist weiterhin destens 0/>5% Kohlenstoff enthaltenden Stahl erbekannt, auf chemischem Weg in der Gasphase eine 35 zielen. Stähle, die ferritreich sind, und Stahle, die härtende Schicht abzuscheiden (DT-AS 1 069 448). Elemente enthalten, welche die Ferntphase bilden. Diese Verfahren sind jedoch nur für legierte oder oder Kohlenstoff-Stabilisatoren, wie z. B. Cr, Mo. W, nicht legierte Kohlenstoffstähle geeignet, so daß die V, Ta, Ti, Zr, Al, Si und Nb, begünstigen die Diffusic n. derart gehärteten Stücke anfällig für Korrosions- Wenn man von Wasserstoff auf Chromhalogenide angriffe sind. 40 als Zusatz übergeht, vermindert man die Reaktion des
Der Erfindung liegt die Aufgabe zugrunde, unter Chromaustauschs (Gleichung II) und begünstigt die
Vermeidung der vorgenannten Mängel ein Verfahren Niederschlags-Reaktion (Gleichung I). Wenn man
bereitzustellen, daß die gleichzeitige Härtung und den Kohlenstoffstahl (C ä 0,2%), austenitischen Stahl
Korrosionsschutz ermöglicht. oder Stähle benutzt, die Elemente enthalten, welche
Diese Aufgabe wird erfindungsgemäß dadurch ge- 45 die austenitische Phase bilden, wie z. B. Ni, Mn, Cu löst, daß man auf dem Stahlstück eine mindestens teil- und N, vermindert man die Diffusion stark,
weise in den Grundwerkstoff eindiffundierende Zwi- Beim Niederschlag des Chroms bilden die Stähle schenschicht aus mindestens einem der passivierbaren mit der Werkstoffnummer 1.2000 bis 1.^00 auf der Metalle Chrom, Tantal, Aluminium, Silicium und Oberfläche mit dem Kohlenstoff des Stahls Chrom-Nickel aufbringt und darauf in bekannter Weise auf 50 carbidschichten von guter Haftung, die porenfrei, hart chemischem Wege in der Gasphase eine härtende und verschleißfest sind.
Schicht aus Titancarbid und/oder Titannitrid, Chrom- Man kann auch gasförmige Salzsäure auf metallicarbid, Tantalcarbid, Nickelborid oder Aluminium- sches Chrom einwirken lassen, um CrCl2 zu bilden, oxid abscheidet. das anschließend zu metallischem Chrom in Schichtin Weiterausbildung der Erfindung erfolgt die An- 55 form reduziert wird. Man läßt ein Gemisch von Argon wendung des Verfahrens für die Herstellung von harten und Salzsäure Ar: HCl 100: 1 bis 20: 1 bei Tem- und korrosionsfesten Uhrengehäuseteilen. peraturen Z 9000C (vorzugsweise 8500C) auf ge-
Die mit der Erfindung erzielten Vorteile bestehen körntes oder pulverisiertes Chrom einwirken, das
insbesondere darin, daß mit der als Überzug für Ver- gleichmäßig in einem ganz aus Aluminiumoxid be-
schleißteile vorgesehenen Doppelschicht eine ausge- 60 stehenden Behälter dispergiert ist; man nutzt also die
zeichnete Korrosionsfestigkeit erzielt wird. Gleichgewichtsreaktion (Gleichung 1) im entgegen-
Bei einer bevorzugten Verwirklichung der Erfindung gesetzten Sinn aus.
wird die aus mindestens einem passivierbaren Metall An Stelle der Salzsäure läßt sich elementares Chlor
bestehende Zwischenschicht wie die härtende Schicht verwenden, um CrCl2 nach der folgenden Gleichung:
DE2149294A 1970-10-02 1971-09-29 Verfahren zur Härtung und zum Korrosionsschutz der Oberfläche eines Stahlstücks sowie Anwendung des bei Durchführung des Verfahrens erhaltenen Stahlstücks Expired DE2149294C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1466870A CH600407B5 (de) 1970-10-02 1970-10-02

Publications (3)

Publication Number Publication Date
DE2149294A1 DE2149294A1 (de) 1972-04-06
DE2149294B2 true DE2149294B2 (de) 1975-02-20
DE2149294C3 DE2149294C3 (de) 1975-09-25

Family

ID=4402852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2149294A Expired DE2149294C3 (de) 1970-10-02 1971-09-29 Verfahren zur Härtung und zum Korrosionsschutz der Oberfläche eines Stahlstücks sowie Anwendung des bei Durchführung des Verfahrens erhaltenen Stahlstücks

Country Status (16)

Country Link
US (1) US3796588A (de)
JP (2) JPS5411779B1 (de)
AT (1) AT313018B (de)
AU (1) AU3412371A (de)
BE (1) BE773421A (de)
BR (1) BR7106533D0 (de)
CA (1) CA956216A (de)
CH (2) CH1466870A4 (de)
DE (1) DE2149294C3 (de)
ES (1) ES395606A1 (de)
FR (1) FR2110202B1 (de)
GB (1) GB1361427A (de)
IL (1) IL37832A0 (de)
IT (1) IT961073B (de)
NL (1) NL7113545A (de)
ZA (1) ZA716596B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953178A (en) * 1972-08-09 1976-04-27 Engel Niels N Coated metal product
US3951612A (en) * 1974-11-12 1976-04-20 Aerospace Materials Inc. Erosion resistant coatings
JPS5165037A (ja) * 1974-12-03 1976-06-05 Seiko Instr & Electronics Tokeibuhin
IT1123082B (it) * 1975-11-14 1986-04-30 Fulmer Res Inst Ltd Matrice migliorata per dare forma a metallo,costituita da un substrato d'acciaio rivestito di uno strato contenente fosfuro di nichel,metodo per la sua preparazione e suo impiego per l'estrusione di alluminio
CH640885A5 (de) * 1978-07-21 1984-01-31 Suisse Horlogerie Rech Lab Mit einem harten ueberzug versehene maschinenelemente.
FR2451949A1 (fr) * 1979-03-22 1980-10-17 Nl Vintage Procede pour revetir des objets d'une surface en matiere dure que l'on puisse exploiter commercialement et objets fabriques par ce procede
US4278708A (en) * 1979-10-31 1981-07-14 Ford Motor Company Conductive corrosion resistant material and alkali metal/polysulfide battery employing same
CH643421B (fr) * 1980-04-10 Asu Composants Sa Procede de depot d'un revetement dur d'un compose d'or, cible de depot pour un tel procede et piece de joaillerie comportant un tel revetement.
DE3318999A1 (de) * 1983-05-25 1984-11-29 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Beschichteter metallischer gegenstand sowie verfahren zu dessen herstellung
US5514482A (en) * 1984-04-25 1996-05-07 Alliedsignal Inc. Thermal barrier coating system for superalloy components
GB2178449B (en) * 1984-10-17 1988-10-19 Stanford Res Inst Int Method of coating ferrous subtrates with protective oxide, carbide, nitride or silicide coatings
EP0188057A1 (de) * 1984-11-19 1986-07-23 Avco Corporation Verschleissfeste Überzüge
EP0186266A1 (de) * 1984-11-19 1986-07-02 Avco Corporation Verschleissfestes Überzugssystem
FR2579997A1 (fr) * 1985-04-03 1986-10-10 Preci Coat Sa Procede de traitment de surface d'un objet et objet obtenu par ce procede
GB2285632B (en) * 1985-08-19 1996-02-14 Garrett Corp Thermal barrier coating system for superalloy components
US5217817A (en) * 1989-11-08 1993-06-08 U.S. Philips Corporation Steel tool provided with a boron layer
NL8902760A (nl) * 1989-11-08 1991-06-03 Philips Nv Werkwijze voor het aanbrengen van een boorlaag op een stalen substraat en gereedschap voorzien van een boorlaag.
EP0616050B1 (de) * 1993-03-16 1997-08-13 Balzers Aktiengesellschaft Verfahren zur Standzeiterhöhung von Werkzeugen und Verschleissschutz-beschichtetes Werkzeug
JP3203256B2 (ja) * 1996-01-31 2001-08-27 日本板硝子株式会社 光モジュールおよびその製造方法
EP1237058A1 (de) * 2001-02-28 2002-09-04 Eta SA Fabriques d'Ebauches Benutzung einer nichtmagnetischen Schicht zum Abdecken von Teilen in einem Uhrengangwerk
WO2013154930A1 (en) * 2012-04-11 2013-10-17 Ihi Ionbond Inc. Ceramic lining for a firearm barrel
CN116200726A (zh) * 2022-12-28 2023-06-02 无锡透平叶片有限公司 一种镍基高温合金表面化学气相沉积AlCr涂层方法

Also Published As

Publication number Publication date
DE2149294A1 (de) 1972-04-06
ES395606A1 (es) 1973-11-01
AU3412371A (en) 1973-04-05
FR2110202B1 (de) 1976-02-13
JPS5474286A (en) 1979-06-14
US3796588A (en) 1974-03-12
DE2149294C3 (de) 1975-09-25
ZA716596B (en) 1972-08-30
JPS5411779B1 (de) 1979-05-17
CH600407B5 (de) 1978-06-15
BE773421A (fr) 1972-01-31
FR2110202A1 (de) 1972-06-02
IT961073B (it) 1973-12-10
BR7106533D0 (pt) 1973-01-02
AT313018B (de) 1974-01-25
CH1466870A4 (de) 1977-08-15
CA956216A (en) 1974-10-15
NL7113545A (de) 1972-04-05
GB1361427A (de) 1974-07-24
IL37832A0 (en) 1971-12-29

Similar Documents

Publication Publication Date Title
DE2149294C3 (de) Verfahren zur Härtung und zum Korrosionsschutz der Oberfläche eines Stahlstücks sowie Anwendung des bei Durchführung des Verfahrens erhaltenen Stahlstücks
DE2727250C2 (de) Oberflächenbeschichteter Sintercarbidgegenstand und Verfahren zu dessen Herstellung
DE2253745C3 (de) Schneideinsätze
DE1521369C3 (de) Pulverförmige, selbstfließende Flammspritzmasse
DE69117385T2 (de) Verfahren zur Herstellung eines Überzugs aus Nitrid oder Karbonitrid
DE2851584B2 (de) Verbundkörper
DE2149914C3 (de) Verfahren zur Herstellung von Wolframcarbid und/oder Molydäncarbid
DE2525185A1 (de) Hartmetallkoerper
DE1959690C3 (de) Verfahren zur Herstellung einer Überzugsschicht auf Werkzeugen für die spanende und spanlose Formgebung
DE2517287A1 (de) Mit hartmetall bestueckte oder zur gaenze aus hartmetall bestehende walzrollen
DE3883857T2 (de) Verfahren zur Herstellung einer mit Aluminid dispergierten Ferrit-Diffusionsbeschichtung auf einem Substrat aus austenitischem rostfreiem Stahl.
EP1953004B1 (de) Spitzerklinge
DE3784139T2 (de) Verfahren zur herstellung eines ueberzugs aus nitriden oder carbonitriden.
DE2730355A1 (de) Verschleissteil aus hartmetall, insbesondere fuer werkzeuge
DE2007427A1 (de) Verfahren zum überziehen gesinterter Hartmetallkörper und Hartmetallkörper, die gemäß dem Verfahren überzogen worden sind
DE2113853C3 (de) Verfahren zur Herstellung von fest haftenden verschleißfesten Überzügen aus Metallnitrid oder karbonitnd auf Hartmetallteilen
CH639598A5 (de) Mit einer verschleiss- und korrosionsfesten wolframkarbid-schutzschicht versehener metallteil.
DE2303756A1 (de) Verfahren zur erzeugung einer extrem harten mischkarbidschicht auf eisenwerkstoffen zur erhoehung der verschleissfestigkeit
DE69518586T2 (de) Verfahren zur Passivierung von Werkstücken aus Eisen-Nickelbasis-Superlegierungen
DE2421131C2 (de) Verfahren zur Ablagerung einer Hartmetallegierung auf einem Substrat
DE3434616A1 (de) Oberflaechenschichten aus titan-bor-nitrid-verbindungen und herstellungsverfahren
DE2142601A1 (de) Verfahren zum Beschichten von ge sinterten Hartmetallkorpern mit einer Oberflächenschicht aus Karbid
DE3124872C2 (de) Verfahren zum Aufbringen verschleißfester Überzüge aus Titankarbid oder Titankarbonitrid auf Erzeugnisse aus gesinterten Hartlegierungen
DE3532733A1 (de) Verschleissfester ueberzug aus einem metallcarbid, -nitrid oder -carbonitrid
DE1621364B2 (de) Titankarbidueberzuege sowie verfahren zu seiner herstellung

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977