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CA1026655A - Method of blackening ferrous metal surfaces - Google Patents

Method of blackening ferrous metal surfaces

Info

Publication number
CA1026655A
CA1026655A CA199,584A CA199584A CA1026655A CA 1026655 A CA1026655 A CA 1026655A CA 199584 A CA199584 A CA 199584A CA 1026655 A CA1026655 A CA 1026655A
Authority
CA
Canada
Prior art keywords
blackening
ferrous metal
metal surfaces
ferrous
metal
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
Application number
CA199,584A
Other languages
French (fr)
Inventor
John K. Howell (Jr.)
Lawrence J. Balash
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.)
Oxy Metal Finishing Corp
Original Assignee
Oxy Metal Finishing Corp
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 Oxy Metal Finishing Corp filed Critical Oxy Metal Finishing Corp
Application granted granted Critical
Publication of CA1026655A publication Critical patent/CA1026655A/en
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
    • 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
    • C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
    • C23C22/50—Treatment of iron or alloys based thereon

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)
CA199,584A 1973-05-10 1974-05-09 Method of blackening ferrous metal surfaces Expired CA1026655A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35914673A 1973-05-10 1973-05-10
US448168A US3920486A (en) 1973-05-10 1974-03-04 Method of blackening ferrous metal surfaces

Publications (1)

Publication Number Publication Date
CA1026655A true CA1026655A (en) 1978-02-21

Family

ID=27000354

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199,584A Expired CA1026655A (en) 1973-05-10 1974-05-09 Method of blackening ferrous metal surfaces

Country Status (8)

Country Link
US (1) US3920486A (en)
JP (1) JPS5344889B2 (en)
AR (1) AR204720A1 (en)
BR (1) BR7403786D0 (en)
CA (1) CA1026655A (en)
DE (1) DE2422569A1 (en)
FR (1) FR2228862B1 (en)
GB (1) GB1432750A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS607260Y2 (en) * 1979-06-27 1985-03-11 マツダ株式会社 Car steering wheel safety device
US4968362A (en) * 1986-10-08 1990-11-06 American Cyanamid Company Dark metallic product
US4881913A (en) * 1988-06-16 1989-11-21 General Motors Corporation Extended life spark plug/igniter
JP5721984B2 (en) * 2010-09-15 2015-05-20 株式会社東芝 Power plant anticorrosion management method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997141A (en) * 1931-05-23 1935-04-09 Guerini Berardo Improved process for bronzing articles and parts made of iron and alloys of iron and carbon
US2366796A (en) * 1941-02-28 1945-01-09 Solvay Process Co Preventing corrosion of ferrous metals by ammoniacal solutions of ammonium nitrate
US3011862A (en) * 1959-12-21 1961-12-05 Sinclair Refining Co Sodium carbonate as inhibitor against corrosion by ammonia-ammonium nitrate solutions
US3097117A (en) * 1961-06-14 1963-07-09 Macdermid Inc Method of and composition for producing electroless black nickel coatings
DE1933013C3 (en) * 1969-06-28 1978-09-21 Gerhard Collardin Gmbh, 5000 Koeln Process for the production of protective layers on aluminum, iron and zinc by means of solutions containing complex fluorides
US3677827A (en) * 1969-09-09 1972-07-18 Oxford Chem Composition and method for blackening metal articles

Also Published As

Publication number Publication date
JPS5344889B2 (en) 1978-12-02
GB1432750A (en) 1976-04-22
DE2422569A1 (en) 1974-11-28
BR7403786D0 (en) 1974-12-03
AU6792774A (en) 1975-10-16
AR204720A1 (en) 1976-02-27
FR2228862B1 (en) 1978-10-20
FR2228862A1 (en) 1974-12-06
JPS5030750A (en) 1975-03-27
US3920486A (en) 1975-11-18

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