DE58903648D1 - METHOD FOR COATING METALLIC ITEMS AND ITEM COATED BY THIS METHOD. - Google Patents

METHOD FOR COATING METALLIC ITEMS AND ITEM COATED BY THIS METHOD.

Info

Publication number
DE58903648D1
DE58903648D1 DE8989115665T DE58903648T DE58903648D1 DE 58903648 D1 DE58903648 D1 DE 58903648D1 DE 8989115665 T DE8989115665 T DE 8989115665T DE 58903648 T DE58903648 T DE 58903648T DE 58903648 D1 DE58903648 D1 DE 58903648D1
Authority
DE
Germany
Prior art keywords
articles
coating
coating metallic
ions
metallic items
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.)
Expired - Fee Related
Application number
DE8989115665T
Other languages
German (de)
Inventor
Jochen O Dipl Ing Pauls
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.)
Boehler AG
Original Assignee
Boehler 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 Boehler AG filed Critical Boehler AG
Application granted granted Critical
Publication of DE58903648D1 publication Critical patent/DE58903648D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to a process for coating metallic articles in which an aqueous, acidic coating mixture containing phosphate ions and ions from the group comprising chromate or molybdate ions is applied to the articles, dried and hardened. It is provided according to the invention that the dried coating and/or a surface layer or near- surface layer of the metallic base material of the articles is (are) hardened in a gas nitration or gas carbonitration process.
DE8989115665T 1988-09-10 1989-08-25 METHOD FOR COATING METALLIC ITEMS AND ITEM COATED BY THIS METHOD. Expired - Fee Related DE58903648D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3830848A DE3830848C1 (en) 1988-09-10 1988-09-10

Publications (1)

Publication Number Publication Date
DE58903648D1 true DE58903648D1 (en) 1993-04-08

Family

ID=6362705

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3830848A Expired DE3830848C1 (en) 1988-09-10 1988-09-10
DE8989115665T Expired - Fee Related DE58903648D1 (en) 1988-09-10 1989-08-25 METHOD FOR COATING METALLIC ITEMS AND ITEM COATED BY THIS METHOD.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3830848A Expired DE3830848C1 (en) 1988-09-10 1988-09-10

Country Status (5)

Country Link
EP (1) EP0359002B1 (en)
AT (1) ATE86310T1 (en)
DE (2) DE3830848C1 (en)
ES (1) ES2038385T3 (en)
GR (1) GR3007211T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001158966A (en) * 1999-12-01 2001-06-12 Ebara Corp Method of manufacturing metal or metal compound thin film
JP2004162778A (en) * 2002-11-12 2004-06-10 Koyo Sealing Techno Co Ltd Friction damper and gear transmission using it
US8167995B2 (en) 2008-06-12 2012-05-01 Latitude 18, Inc. Inorganic phosphate resins and method for their manufacture
EP2510134B1 (en) 2009-12-11 2018-09-19 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
EP2509927B1 (en) 2009-12-11 2020-07-08 Latitude 18, Inc. Inorganic phosphate compositions and methods
US20130139930A1 (en) 2009-12-18 2013-06-06 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
CA2789156A1 (en) 2010-02-09 2011-08-18 Latitude 18, Inc. Phosphate bonded composites and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2057813A (en) * 1932-12-06 1936-10-20 Nitralloy Corp Process for hardening iron and steel alloys and article produced thereby
DE874007C (en) * 1943-03-19 1953-04-20 Boehler & Co Ag Geb Process to prevent nitrogen uptake at workpieces that should remain soft during the nitriding process
US4249964A (en) * 1980-03-31 1981-02-10 Huta Stalowa Wola-Kombinat Przemyslowy Process for the chemical and thermal treatment of steel parts to improve the strength properties thereof

Also Published As

Publication number Publication date
GR3007211T3 (en) 1993-07-30
EP0359002B1 (en) 1993-03-03
ATE86310T1 (en) 1993-03-15
DE3830848C1 (en) 1989-12-21
ES2038385T3 (en) 1993-07-16
EP0359002A1 (en) 1990-03-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee