EP1274881A4 - Surface treatment method for magnesium alloys and magnesium alloy members thus treated - Google Patents

Surface treatment method for magnesium alloys and magnesium alloy members thus treated

Info

Publication number
EP1274881A4
EP1274881A4 EP01922818A EP01922818A EP1274881A4 EP 1274881 A4 EP1274881 A4 EP 1274881A4 EP 01922818 A EP01922818 A EP 01922818A EP 01922818 A EP01922818 A EP 01922818A EP 1274881 A4 EP1274881 A4 EP 1274881A4
Authority
EP
European Patent Office
Prior art keywords
magnesium
treated
surface treatment
treatment method
alloy members
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.)
Withdrawn
Application number
EP01922818A
Other languages
German (de)
French (fr)
Other versions
EP1274881A1 (en
Inventor
Kenichirou Ohshita
Masahiro Motozawa
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1274881A1 publication Critical patent/EP1274881A1/en
Publication of EP1274881A4 publication Critical patent/EP1274881A4/en
Withdrawn legal-status Critical Current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
    • C23C22/07—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
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/32—Alkaline compositions
    • C23F1/40—Alkaline compositions for etching other metallic material
    • 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
    • C23C22/12—Orthophosphates containing zinc 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
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • 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
    • C23C22/40—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 molybdates, tungstates or vanadates
    • C23C22/44—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 molybdates, tungstates or vanadates containing also fluorides or complex fluorides
    • 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
    • C23C22/73—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 characterised by the process
    • 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
    • C23C22/78—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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/22—Acidic compositions for etching magnesium or alloys thereof

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)
  • ing And Chemical Polishing (AREA)
EP01922818A 2000-03-31 2001-03-29 Surface treatment method for magnesium alloys and magnesium alloy members thus treated Withdrawn EP1274881A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000099399 2000-03-31
JP2000099399A JP2001288580A (en) 2000-03-31 2000-03-31 Surface treating method for magnesium alloy and magnesium alloy member
PCT/US2001/010031 WO2001075190A1 (en) 2000-03-31 2001-03-29 Surface treatment method for magnesium alloys and magnesium alloy members thus treated

Publications (2)

Publication Number Publication Date
EP1274881A1 EP1274881A1 (en) 2003-01-15
EP1274881A4 true EP1274881A4 (en) 2004-10-20

Family

ID=18613760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01922818A Withdrawn EP1274881A4 (en) 2000-03-31 2001-03-29 Surface treatment method for magnesium alloys and magnesium alloy members thus treated

Country Status (9)

Country Link
EP (1) EP1274881A4 (en)
JP (1) JP2001288580A (en)
KR (1) KR20010095051A (en)
CN (1) CN1317598A (en)
AU (1) AU2001249579A1 (en)
CA (1) CA2405288A1 (en)
MX (1) MXPA02009362A (en)
TW (1) TW544474B (en)
WO (1) WO2001075190A1 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4112219B2 (en) * 2001-12-07 2008-07-02 ミリオン化学株式会社 Surface treatment method for lithium-based magnesium alloy material
KR20020060945A (en) * 2002-06-29 2002-07-19 비씨엠 주식회사 Conversion Treatment Method for Magnesium Alloy's Electroplating.
JP2006169580A (en) * 2004-12-15 2006-06-29 Arrk Okayama Co Ltd Method for producing product composed of magnesium or magnesium alloy
US7695771B2 (en) * 2005-04-14 2010-04-13 Chemetall Gmbh Process for forming a well visible non-chromate conversion coating for magnesium and magnesium alloys
JP2007285513A (en) * 2006-03-22 2007-11-01 Tokai Rubber Ind Ltd Rubber member with metal fitting and method of fabricating the same
JP5201535B2 (en) * 2006-09-08 2013-06-05 住友電気工業株式会社 Magnesium alloy member and manufacturing method thereof
JP5103034B2 (en) * 2007-03-05 2012-12-19 川崎重工業株式会社 Method for forming a coating film of magnesium alloy
CN101451239B (en) * 2007-11-29 2010-12-22 比亚迪股份有限公司 Chemical conversion treatment fluid and treatment method of magnesium alloy surface
CN101463475A (en) 2007-12-19 2009-06-24 鸿富锦精密工业（深圳）有限公司 Magnesium alloy phosphating method and formation solution thereof
US20100243108A1 (en) * 2009-03-31 2010-09-30 Ppg Industries Ohio, Inc. Method for treating and/or coating a substrate with non-chrome materials
JP5292195B2 (en) * 2009-06-12 2013-09-18 大豊工業株式会社 Method for tin plating on magnesium alloy and etching solution for magnesium alloy
JP5431081B2 (en) * 2009-09-11 2014-03-05 ミリオン化学株式会社 Magnesium-lithium alloy and surface treatment method thereof
JP2011089162A (en) * 2009-10-21 2011-05-06 Sumitomo Electric Ind Ltd IMPLEMENT AND METHOD FOR SURFACE TREATMENT OF Mg MEMBER
KR101067744B1 (en) * 2009-11-23 2011-09-28 한국생산기술연구원 Method for conversion coating of surface to magnesium or magnesium alloy
CN101824614B (en) * 2010-04-15 2012-08-08 吉林大学 Magnesium alloy surface conversion coating treating fluid and treating process thereof
KR101242703B1 (en) 2010-12-28 2013-03-12 재단법인 포항산업과학연구원 Method for detecting inverse segregation of magnesium plate
CN102560491A (en) * 2010-12-30 2012-07-11 鸿富锦精密工业（深圳）有限公司 Aluminium and aluminium alloy surface antiseptic treatment method and product prepared by same
CN102517570A (en) * 2011-12-28 2012-06-27 南京工程学院 Environment-friendly magnesium and magnesium alloy chemical nickel phosphor plating process
CN102776540B (en) * 2012-07-11 2016-03-23 东莞市闻誉实业有限公司 A kind of magnesium alloy surface treatment process
UA112024C2 (en) 2012-08-29 2016-07-11 Ппг Індастріз Огайо, Інк. ZIRCONIUM PRE-PROCESSING COMPOSITIONS CONTAINING MOLYBDEN, APPROPRIATE METHODS OF METAL SUBSTRATE PROCESSING AND APPROPRIATE METALS
BR112015004364B1 (en) 2012-08-29 2021-06-01 Ppg Industries Ohio, Inc METHOD TO TREAT A METALLIC SUBSTRATE AND METHOD TO COATING A METALLIC SUBSTRATE
CN104046977B (en) * 2013-03-12 2017-02-22 富准精密工业(深圳)有限公司 Magnesium alloy forming method
JP2015094007A (en) * 2013-11-13 2015-05-18 富士通株式会社 Manufacturing method of casing, and film forming device
KR101559285B1 (en) * 2014-02-28 2015-10-08 주식회사 노루코일코팅 Conversion Coating Composition of Magnesium and Magnesium Alloy and Surface Treating Method Using The Same
CN104099592A (en) * 2014-06-19 2014-10-15 锐展(铜陵)科技有限公司 Surface treating agent for smooth foamless aluminum alloy
CN104451631A (en) * 2014-12-04 2015-03-25 常州大学 Simple coating method for magnesium and magnesium alloy surfaces
CN104775111B (en) * 2015-04-23 2017-09-12 西安四方超轻材料有限公司 A kind of method for preventing from corroding in magnesium lithium alloy mechanical processing process
CN106868486B (en) 2015-12-14 2019-07-23 宝山钢铁股份有限公司 A kind of agents for film forming treatment and film-forming process of compound chemical composition coating used for magnesium alloy
KR101751453B1 (en) * 2016-02-11 2017-07-11 주식회사 노루코일코팅 alkali Conversion Coating Composition of Magnesium and Magnesium Alloy and Surface Treating Method Using The Same
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
KR20190043155A (en) 2016-08-24 2019-04-25 피피지 인더스트리즈 오하이오 인코포레이티드 Alkaline compositions for treating metal substrates

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278343A (en) * 1963-03-12 1966-10-11 Amchem Prod Conversion coating of magnesium alloy surfaces
JPS602675A (en) * 1983-06-20 1985-01-08 Fujitsu Ltd Surface treatment of light alloy casting
WO1995012010A1 (en) * 1993-10-29 1995-05-04 Henkel Corporation Composition and process for treating magnesium-containing metals and product therefrom
WO2000070123A1 (en) * 1999-05-12 2000-11-23 Henkel Corporation Process for the surface treatment of magnesium alloys

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1765341A (en) * 1927-03-14 1930-06-17 Doherty Res Co Surface protection for magnesium alloys
US2322208A (en) * 1938-11-14 1943-06-22 Dow Chemical Co Method of providing a protective coating on magnesium and its alloys
US2983634A (en) * 1958-05-13 1961-05-09 Gen Am Transport Chemical nickel plating of magnesium and its alloys
US5683522A (en) * 1995-03-30 1997-11-04 Sundstrand Corporation Process for applying a coating to a magnesium alloy product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278343A (en) * 1963-03-12 1966-10-11 Amchem Prod Conversion coating of magnesium alloy surfaces
JPS602675A (en) * 1983-06-20 1985-01-08 Fujitsu Ltd Surface treatment of light alloy casting
WO1995012010A1 (en) * 1993-10-29 1995-05-04 Henkel Corporation Composition and process for treating magnesium-containing metals and product therefrom
WO2000070123A1 (en) * 1999-05-12 2000-11-23 Henkel Corporation Process for the surface treatment of magnesium alloys

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0091, no. 08 (C - 280) 11 May 1985 (1985-05-11) *
See also references of WO0175190A1 *

Also Published As

Publication number Publication date
JP2001288580A (en) 2001-10-19
EP1274881A1 (en) 2003-01-15
CN1317598A (en) 2001-10-17
KR20010095051A (en) 2001-11-03
AU2001249579A1 (en) 2001-10-15
MXPA02009362A (en) 2003-02-12
CA2405288A1 (en) 2001-10-11
WO2001075190A1 (en) 2001-10-11
TW544474B (en) 2003-08-01

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