CA1034847A - Compositions and methods for blackening hardened steel - Google Patents

Compositions and methods for blackening hardened steel

Info

Publication number
CA1034847A
CA1034847A CA227,901A CA227901A CA1034847A CA 1034847 A CA1034847 A CA 1034847A CA 227901 A CA227901 A CA 227901A CA 1034847 A CA1034847 A CA 1034847A
Authority
CA
Canada
Prior art keywords
blackening
compositions
methods
hardened steel
hardened
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
CA227,901A
Other languages
French (fr)
Inventor
Abraham J. Mitchell
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.)
Mitchell-Bradford Chemical Co
Original Assignee
Mitchell-Bradford Chemical Co
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 Mitchell-Bradford Chemical Co filed Critical Mitchell-Bradford Chemical Co
Application granted granted Critical
Publication of CA1034847A publication Critical patent/CA1034847A/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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8
    • C23C22/62—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)
CA227,901A 1974-10-24 1975-05-28 Compositions and methods for blackening hardened steel Expired CA1034847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US517485A US3899367A (en) 1974-10-24 1974-10-24 Compositions and methods for blackening hardened steel

Publications (1)

Publication Number Publication Date
CA1034847A true CA1034847A (en) 1978-07-18

Family

ID=24060010

Family Applications (1)

Application Number Title Priority Date Filing Date
CA227,901A Expired CA1034847A (en) 1974-10-24 1975-05-28 Compositions and methods for blackening hardened steel

Country Status (4)

Country Link
US (1) US3899367A (en)
JP (1) JPS5159036A (en)
CA (1) CA1034847A (en)
GB (1) GB1458644A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01118418A (en) * 1987-10-31 1989-05-10 Ikeda Bussan Co Ltd Method for foam-molding foam integral with skin material
US6309476B1 (en) 1999-05-24 2001-10-30 Birchwood Laboratories, Inc. Composition and method for metal coloring process
US6576346B1 (en) 1999-05-24 2003-06-10 Birchwood Laboratories, Inc. Composition and method for metal coloring process
US6695931B1 (en) 1999-05-24 2004-02-24 Birchwood Laboratories, Inc. Composition and method for metal coloring process
WO2003035942A2 (en) * 2001-08-03 2003-05-01 Elisha Holding Llc An electrolytic and electroless process for treating metallic surfaces and products formed thereby
US6899956B2 (en) 2002-05-03 2005-05-31 Birchwood Laboratories, Inc. Metal coloring process and solutions therefor
US7964044B1 (en) 2003-10-29 2011-06-21 Birchwood Laboratories, Inc. Ferrous metal magnetite coating processes and reagents
US7144599B2 (en) * 2004-07-15 2006-12-05 Birchwood Laboratories, Inc. Hybrid metal oxide/organometallic conversion coating for ferrous metals
CN101280427B (en) * 2007-04-06 2010-08-25 长春奥普光电技术股份有限公司 Constant temperature chemical oxidation blackening process for iron-nickel alloy for optical instrument
DE102007048750A1 (en) * 2007-10-11 2009-04-16 Schaeffler Kg Method for producing a metallic component, in particular a bearing component or precision component, and component produced according to the method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1723067A (en) * 1926-04-16 1929-08-06 Pacz Aladar Method and composition of matter for coating and coloring metal articles
US2557507A (en) * 1950-05-11 1951-06-19 Jr Victor Lang Adjustable joint structure for electric lamp supports
US2679475A (en) * 1952-01-21 1954-05-25 Joseph C Singler Metal blackening composition and method
US2960420A (en) * 1959-01-23 1960-11-15 Mitchell Bradford Chemical Co Method and composition for blackening metal articles

Also Published As

Publication number Publication date
JPS5159036A (en) 1976-05-22
GB1458644A (en) 1976-12-15
US3899367A (en) 1975-08-12

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