ATE273404T1 - METHOD FOR APPLYING MANGANE PHOSPHATE LAYERS - Google Patents

METHOD FOR APPLYING MANGANE PHOSPHATE LAYERS

Info

Publication number
ATE273404T1
ATE273404T1 AT00972661T AT00972661T ATE273404T1 AT E273404 T1 ATE273404 T1 AT E273404T1 AT 00972661 T AT00972661 T AT 00972661T AT 00972661 T AT00972661 T AT 00972661T AT E273404 T1 ATE273404 T1 AT E273404T1
Authority
AT
Austria
Prior art keywords
ions
applying
nitroguanidine
mangane
manganese
Prior art date
Application number
AT00972661T
Other languages
German (de)
Inventor
Klaus-Dieter Nittel
Detlev Seifert
Ralf Stickler
Original Assignee
Chemetall Gmbh
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 Chemetall Gmbh filed Critical Chemetall Gmbh
Application granted granted Critical
Publication of ATE273404T1 publication Critical patent/ATE273404T1/en

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
    • 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
    • C23C22/05—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 using aqueous solutions
    • C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • 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
    • C23C22/05—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 using aqueous solutions
    • C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/18—Orthophosphates containing manganese cations
    • C23C22/188—Orthophosphates containing manganese cations containing also magnesium cations

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Materials For Medical Uses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

The invention relates to a method for applying manganese phosphate layers on iron or steel surfaces. The aim of the invention is to produce a manganese phosphate layer with a minimum thickness of 2 mu m and an average surface roughness (Rz) of 2.5 mu m measured after drying. To this end, a phosphatizing solution is used that contains 0.2 to 4 g/l ferrous ions, 10 to 25 g/l manganese ions, 25 to 50 g/l phosphate ions (calculated as P2O5), 3 to 35 g/l nitrate ions, 0.5 to 5 g/l nitroguanidine, and that has 7 to 24 free acid points, 50 to 140 total acid points and an S value of 0.2 to 1. The phosphatization solution preferably contains 0.5 to 2 g/l nitroguanidine and maximally 2.5 g/l ferrous ions and additionally 0.2 to 4 g/l nickel ions or 0.2 to 4 g/l magnesium ions. The inventive method is especially applied to work pieces that are subject to a sliding friction.
AT00972661T 1999-09-30 2000-09-20 METHOD FOR APPLYING MANGANE PHOSPHATE LAYERS ATE273404T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19947232A DE19947232A1 (en) 1999-09-30 1999-09-30 Process for applying manganese phosphate layers
PCT/EP2000/009193 WO2001023638A1 (en) 1999-09-30 2000-09-20 Method for applying manganese phosphate layers

Publications (1)

Publication Number Publication Date
ATE273404T1 true ATE273404T1 (en) 2004-08-15

Family

ID=7924098

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00972661T ATE273404T1 (en) 1999-09-30 2000-09-20 METHOD FOR APPLYING MANGANE PHOSPHATE LAYERS

Country Status (6)

Country Link
EP (1) EP1230423B1 (en)
AT (1) ATE273404T1 (en)
DE (2) DE19947232A1 (en)
ES (1) ES2223598T3 (en)
PL (1) PL196365B1 (en)
WO (1) WO2001023638A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017207594A1 (en) 2017-05-05 2018-11-08 Federal-Mogul Nürnberg GmbH Thermal insulation of a steel piston by means of a manganese phosphate and a polysilazane layer
CA3183541A1 (en) * 2020-07-01 2022-01-06 Ralf Schneider Improved activation agent for manganese phosphating processes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2375468A (en) * 1938-02-04 1945-05-08 Parker Rust Proof Co Phosphate coating of metals
DE1246356B (en) * 1963-07-30 1967-08-03 Metallgesellschaft Ag Process for the production of manganese phosphate coatings on iron and steel
US3860455A (en) * 1973-03-16 1975-01-14 Oxy Metal Finishing Corp Method for phosphatizing ferrous surfaces
DE3023479A1 (en) * 1980-06-24 1982-01-14 Metallgesellschaft Ag, 6000 Frankfurt PHOSPHATING PROCESS
DE4440300A1 (en) * 1994-11-11 1996-05-15 Metallgesellschaft Ag Process for applying phosphate coatings

Also Published As

Publication number Publication date
PL196365B1 (en) 2007-12-31
ES2223598T3 (en) 2005-03-01
DE19947232A1 (en) 2001-04-05
WO2001023638A1 (en) 2001-04-05
DE50007405D1 (en) 2004-09-16
EP1230423B1 (en) 2004-08-11
PL354447A1 (en) 2004-01-12
EP1230423A1 (en) 2002-08-14

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