ATE115653T1 - TWO-STAGE CHEMICAL OR ELECTROCHEMICAL PROCESS FOR COATING MAGNESIUM. - Google Patents

TWO-STAGE CHEMICAL OR ELECTROCHEMICAL PROCESS FOR COATING MAGNESIUM.

Info

Publication number
ATE115653T1
ATE115653T1 AT92907909T AT92907909T ATE115653T1 AT E115653 T1 ATE115653 T1 AT E115653T1 AT 92907909 T AT92907909 T AT 92907909T AT 92907909 T AT92907909 T AT 92907909T AT E115653 T1 ATE115653 T1 AT E115653T1
Authority
AT
Austria
Prior art keywords
electrochemical process
magnesium
coating magnesium
stage chemical
solution
Prior art date
Application number
AT92907909T
Other languages
German (de)
Inventor
Duane E Bartak
Brian E Lemieux
Earl R Woolsey
Original Assignee
Technology Applic Group Inc
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 Technology Applic Group Inc filed Critical Technology Applic Group Inc
Application granted granted Critical
Publication of ATE115653T1 publication Critical patent/ATE115653T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/30—Anodisation of magnesium or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

A two-step process for coating magnesium and its alloys is disclosed. The first step comprises immersing the magnesium in an aqueous solution comprising about 0.2 to 5 molar ammonium fluoride at a temperature of about 40 to 100 DEG C. The second step is an electrochemical treatment in an aqueous electrolytic solution having a pH of at least about 12.5 and which solution comprises about 2 to 12 g/L of a soluble hydroxide, about 2 to 15 g/L of a fluoride-containing composition, and about 5 to 30 g/L of an alkali metal silicate.
AT92907909T 1991-02-26 1992-02-25 TWO-STAGE CHEMICAL OR ELECTROCHEMICAL PROCESS FOR COATING MAGNESIUM. ATE115653T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66150391A 1991-02-26 1991-02-26
CN92105170A CN1049701C (en) 1991-02-26 1992-06-26 Two-step chemical/electrochemical magnesium coating process

Publications (1)

Publication Number Publication Date
ATE115653T1 true ATE115653T1 (en) 1994-12-15

Family

ID=25742761

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92907909T ATE115653T1 (en) 1991-02-26 1992-02-25 TWO-STAGE CHEMICAL OR ELECTROCHEMICAL PROCESS FOR COATING MAGNESIUM.

Country Status (13)

Country Link
EP (1) EP0573585B1 (en)
JP (1) JP3183512B2 (en)
CN (1) CN1049701C (en)
AT (1) ATE115653T1 (en)
AU (1) AU1535392A (en)
BR (1) BR9205679A (en)
CA (1) CA2100168C (en)
DE (1) DE69200922T2 (en)
DK (1) DK0573585T3 (en)
ES (1) ES2068710T3 (en)
GR (1) GR3015377T3 (en)
NO (1) NO308907B1 (en)
WO (1) WO1992014868A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266412A (en) * 1991-07-15 1993-11-30 Technology Applications Group, Inc. Coated magnesium alloys
WO2003016596A1 (en) * 2001-08-14 2003-02-27 Magnesium Technology Limited Magnesium anodisation system and methods
US6916414B2 (en) * 2001-10-02 2005-07-12 Henkel Kommanditgesellschaft Auf Aktien Light metal anodization
US7578921B2 (en) 2001-10-02 2009-08-25 Henkel Kgaa Process for anodically coating aluminum and/or titanium with ceramic oxides
US7452454B2 (en) 2001-10-02 2008-11-18 Henkel Kgaa Anodized coating over aluminum and aluminum alloy coated substrates
US7569132B2 (en) 2001-10-02 2009-08-04 Henkel Kgaa Process for anodically coating an aluminum substrate with ceramic oxides prior to polytetrafluoroethylene or silicone coating
US6495267B1 (en) * 2001-10-04 2002-12-17 Briggs & Stratton Corporation Anodized magnesium or magnesium alloy piston and method for manufacturing the same
JP2007009319A (en) * 2005-06-01 2007-01-18 Meira Corp Composition for forming protective film, method for manufacturing metal-molded body, and metal-molded body
US8192801B2 (en) * 2008-04-25 2012-06-05 GM Global Technology Operations LLC Self-deposited coatings on magnesium alloys
US9701177B2 (en) 2009-04-02 2017-07-11 Henkel Ag & Co. Kgaa Ceramic coated automotive heat exchanger components
JP5595874B2 (en) * 2010-11-04 2014-09-24 三井金属鉱業株式会社 Magnesium alloy surface treatment method
CN103088385A (en) * 2012-12-01 2013-05-08 江门市华恒灯饰有限公司 Microarc oxidation electrolyte formula
WO2014203919A1 (en) * 2013-06-19 2014-12-24 堀金属表面処理工業株式会社 Method for manufacturing magnesium alloy product
WO2016010541A1 (en) * 2014-07-17 2016-01-21 Dolan Shawn E Electroceramic coating for magnesium alloys
JP6659961B2 (en) * 2016-08-10 2020-03-04 富士通株式会社 Magnesium alloy substrate, electronic device, and method of forming corrosion-resistant coating
CN106835227B (en) * 2016-12-05 2018-11-13 浙江工业大学 A method of titanium-base alloy high temperature oxidation resistance is improved based on halide effect and ceramic coating
CN106906505B (en) * 2016-12-31 2019-01-08 浙江工业大学 A method of ceramic coating is obtained based on halide effect and pretreatment and improves titanium-base alloy high temperature oxidation resistance
US11180832B2 (en) 2018-12-17 2021-11-23 Canon Kabushiki Kaisha Magnesium-lithium alloy member, manufacturing method thereof, optical apparatus, imaging apparatus, electronic apparatus and mobile object
JP7418117B2 (en) * 2018-12-17 2024-01-19 キヤノン株式会社 Magnesium-lithium alloy member and manufacturing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184926A (en) * 1979-01-17 1980-01-22 Otto Kozak Anti-corrosive coating on magnesium and its alloys
US4620904A (en) * 1985-10-25 1986-11-04 Otto Kozak Method of coating articles of magnesium and an electrolytic bath therefor
US4744872A (en) * 1986-05-30 1988-05-17 Ube Industries, Ltd. Anodizing solution for anodic oxidation of magnesium or its alloys
JPS63277793A (en) * 1987-05-08 1988-11-15 Ube Ind Ltd Anodic oxidizing solution for magnesium or alloy thereof

Also Published As

Publication number Publication date
WO1992014868A1 (en) 1992-09-03
GR3015377T3 (en) 1995-06-30
ES2068710T3 (en) 1995-04-16
CN1049701C (en) 2000-02-23
AU1535392A (en) 1992-09-15
CA2100168C (en) 2004-09-14
JP3183512B2 (en) 2001-07-09
NO308907B1 (en) 2000-11-13
DE69200922D1 (en) 1995-01-26
CA2100168A1 (en) 1992-08-27
EP0573585A1 (en) 1993-12-15
EP0573585B1 (en) 1994-12-14
NO933024D0 (en) 1993-08-25
CN1080671A (en) 1994-01-12
DE69200922T2 (en) 1995-05-04
JPH06504815A (en) 1994-06-02
BR9205679A (en) 1994-06-21
NO933024L (en) 1993-10-14
DK0573585T3 (en) 1995-03-06

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee