GB9420295D0 - Method of increasing corrosion resistance of steels by treatment with cerium - Google Patents

Method of increasing corrosion resistance of steels by treatment with cerium

Info

Publication number
GB9420295D0
GB9420295D0 GB9420295A GB9420295A GB9420295D0 GB 9420295 D0 GB9420295 D0 GB 9420295D0 GB 9420295 A GB9420295 A GB 9420295A GB 9420295 A GB9420295 A GB 9420295A GB 9420295 D0 GB9420295 D0 GB 9420295D0
Authority
GB
United Kingdom
Prior art keywords
steels
cerium
treatment
corrosion resistance
increasing corrosion
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.)
Pending
Application number
GB9420295A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9420295A priority Critical patent/GB9420295D0/en
Publication of GB9420295D0 publication Critical patent/GB9420295D0/en
Priority to KR1019970702263A priority patent/KR970706422A/en
Priority to PCT/CA1995/000565 priority patent/WO1996011290A1/en
Priority to DE69522709T priority patent/DE69522709T2/en
Priority to EP95933276A priority patent/EP0797691B1/en
Priority to JP8512229A priority patent/JPH10506959A/en
Priority to AU36020/95A priority patent/AU3602095A/en
Priority to CA002201619A priority patent/CA2201619A1/en
Priority to US08/863,935 priority patent/US6068711A/en
Priority to US09/572,699 priority patent/US6406562B1/en
Pending 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
    • 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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/04—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
    • 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
    • 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
    • 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
    • C23C22/52—Treatment of copper or alloys based thereon
    • 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
    • C23C22/56—Treatment of aluminium or alloys based thereon
    • 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
    • C23C22/68—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 solutions with pH between 6 and 8
    • 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
GB9420295A 1994-10-07 1994-10-07 Method of increasing corrosion resistance of steels by treatment with cerium Pending GB9420295D0 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB9420295A GB9420295D0 (en) 1994-10-07 1994-10-07 Method of increasing corrosion resistance of steels by treatment with cerium
CA002201619A CA2201619A1 (en) 1994-10-07 1995-10-10 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements
EP95933276A EP0797691B1 (en) 1994-10-07 1995-10-10 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements
PCT/CA1995/000565 WO1996011290A1 (en) 1994-10-07 1995-10-10 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements
DE69522709T DE69522709T2 (en) 1994-10-07 1995-10-10 METHOD FOR INCREASING THE CORROSION RESISTANCE OF METAL AND ALLOY BY TREATING WITH RARE EARTH ELEMENTS
KR1019970702263A KR970706422A (en) 1994-10-07 1995-10-10 METHOD OF INCREASING CORROSION RESISTANCE OF METHALS AND ALLOYS BY TREATMENT WITH RATE EARTH ELEMENTS
JP8512229A JPH10506959A (en) 1994-10-07 1995-10-10 Method for enhancing the corrosion resistance of metals and alloys by treatment with rare earth elements
AU36020/95A AU3602095A (en) 1994-10-07 1995-10-10 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements
US08/863,935 US6068711A (en) 1994-10-07 1997-05-27 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements
US09/572,699 US6406562B1 (en) 1994-10-07 2000-05-16 Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9420295A GB9420295D0 (en) 1994-10-07 1994-10-07 Method of increasing corrosion resistance of steels by treatment with cerium

Publications (1)

Publication Number Publication Date
GB9420295D0 true GB9420295D0 (en) 1994-11-23

Family

ID=10762538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9420295A Pending GB9420295D0 (en) 1994-10-07 1994-10-07 Method of increasing corrosion resistance of steels by treatment with cerium

Country Status (8)

Country Link
EP (1) EP0797691B1 (en)
JP (1) JPH10506959A (en)
KR (1) KR970706422A (en)
AU (1) AU3602095A (en)
CA (1) CA2201619A1 (en)
DE (1) DE69522709T2 (en)
GB (1) GB9420295D0 (en)
WO (1) WO1996011290A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ74996A3 (en) 1993-09-13 1996-12-11 Commw Scient Ind Res Org Process of cleaning and coating metal surfaces and an acid aqueous solution containing rare earth ions for making the same
AUPM621194A0 (en) * 1994-06-10 1994-07-07 Commonwealth Scientific And Industrial Research Organisation Conversion coating and process for its formation
ATE213285T1 (en) * 1994-11-11 2002-02-15 Commw Scient Ind Res Org METHOD AND SOLUTION FOR PROVIDING A CONVERSION COATING ON A METAL SURFACE
GB2328447A (en) * 1997-08-16 1999-02-24 British Aerospace A desmutting solution for use prior to anodising
ES2151405B1 (en) * 1998-07-20 2001-07-01 Univ Sevilla PROCEDURE TO IMPROVE REFRACTORY BEHAVIOR OF STAINLESS STEEL.
WO2001029285A2 (en) * 1999-10-19 2001-04-26 Advanced Mechanical Technology, Inc. Corrosion protection of steel in ammonia/water heat pumps
AU774225B2 (en) * 2000-03-20 2004-06-17 Commonwealth Scientific And Industrial Research Organisation Process and solution for providing a conversion coating on metallic surface II
AUPQ633200A0 (en) * 2000-03-20 2000-04-15 Commonwealth Scientific And Industrial Research Organisation Process and solution for providing a conversion coating on a metallic surface I
AUPQ633300A0 (en) 2000-03-20 2000-04-15 Commonwealth Scientific And Industrial Research Organisation Process and solution for providing a conversion coating on a metallic surface ii
AU773837B2 (en) * 2000-03-20 2004-06-10 Commonwealth Scientific And Industrial Research Organisation Process and solution for providing a conversion coating on metallic surface
ES2193846B1 (en) * 2001-07-20 2005-03-01 Consejo Superior Investig. Cientificas. PROCEDURE FOR OBTAINING CERIO BASED PROTECTIVE COATINGS ON HOJALATA.
US10041176B2 (en) 2005-04-07 2018-08-07 Momentive Performance Materials Inc. No-rinse pretreatment methods and compositions
FR2981367B1 (en) * 2011-10-14 2013-11-08 Univ Toulouse 3 Paul Sabatier PROCESS FOR THE ANTICORROSIVE TREATMENT OF A SOLID METAL SUBSTRATE AND METALLIC SUBSTRATE WHICH CAN BE OBTAINED BY SUCH A METHOD
CN102586773A (en) * 2012-03-23 2012-07-18 上海大学 Passivating treatment method for stainless steel rare earth conversion coatings
JP6845317B2 (en) * 2016-10-19 2021-03-17 エーケー スティール プロパティ−ズ、インク． Surface modification of stainless steel
CN112666335A (en) * 2020-11-12 2021-04-16 西安交通大学 Method for representing performance of high-flux molybdenum alloy multi-scale micro-area
WO2022197358A1 (en) * 2021-03-19 2022-09-22 Ppg Industries Ohio, Inc. Systems and methods for treating a substrate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1292155C (en) * 1987-03-03 1991-11-19 Lance Wilson Method of forming a corrosion resistant coating
ES2053968T3 (en) * 1988-02-03 1994-08-01 British Petroleum Co Plc A PROCESS FOR THE TREATMENT OF A METALLIC OXIDE LAYER, A PROCESS TO JOIN A METALLIC OBJECT THAT INCLUDES A METALLIC OXIDE LAYER AND A STRUCTURE PRODUCED THEREOF.
GB8825482D0 (en) * 1988-11-01 1988-12-07 British Petroleum Co Plc Surface treatment of metals
US5194138A (en) * 1990-07-20 1993-03-16 The University Of Southern California Method for creating a corrosion-resistant aluminum surface
US5221371A (en) * 1991-09-03 1993-06-22 Lockheed Corporation Non-toxic corrosion resistant conversion coating for aluminum and aluminum alloys and the process for making the same
US5192374A (en) * 1991-09-27 1993-03-09 Hughes Aircraft Company Chromium-free method and composition to protect aluminum
US5362335A (en) * 1993-03-25 1994-11-08 General Motors Corporation Rare earth coating process for aluminum alloys
US5356492A (en) * 1993-04-30 1994-10-18 Locheed Corporation Non-toxic corrosion resistant conversion process coating for aluminum and aluminum alloys
CZ74996A3 (en) * 1993-09-13 1996-12-11 Commw Scient Ind Res Org Process of cleaning and coating metal surfaces and an acid aqueous solution containing rare earth ions for making the same

Also Published As

Publication number Publication date
DE69522709T2 (en) 2002-07-04
JPH10506959A (en) 1998-07-07
KR970706422A (en) 1997-11-03
EP0797691B1 (en) 2001-09-12
CA2201619A1 (en) 1996-04-18
WO1996011290A1 (en) 1996-04-18
AU3602095A (en) 1996-05-02
DE69522709D1 (en) 2001-10-18
EP0797691A1 (en) 1997-10-01

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