GB2230275A - Conversion composition and process - Google Patents
Conversion composition and process Download PDFInfo
- Publication number
- GB2230275A GB2230275A GB9004313A GB9004313A GB2230275A GB 2230275 A GB2230275 A GB 2230275A GB 9004313 A GB9004313 A GB 9004313A GB 9004313 A GB9004313 A GB 9004313A GB 2230275 A GB2230275 A GB 2230275A
- Authority
- GB
- United Kingdom
- Prior art keywords
- composition
- ions
- present
- amount
- forming
- 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- Withdrawn
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims description 18
- 238000006243 chemical reaction Methods 0.000 title claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 31
- -1 nitrate ions Chemical class 0.000 claims abstract description 19
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 11
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 9
- 229910017604 nitric acid Inorganic materials 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 7
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 5
- 229910000151 chromium(III) phosphate Inorganic materials 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 3
- 235000011149 sulphuric acid Nutrition 0.000 claims description 3
- 239000001117 sulphuric acid Substances 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- IKZBVTPSNGOVRJ-UHFFFAOYSA-K chromium(iii) phosphate Chemical compound [Cr+3].[O-]P([O-])([O-])=O IKZBVTPSNGOVRJ-UHFFFAOYSA-K 0.000 claims description 2
- 238000007739 conversion coating Methods 0.000 abstract description 3
- 238000000151 deposition Methods 0.000 abstract description 2
- 208000035478 Interatrial communication Diseases 0.000 description 6
- 206010003664 atrial septal defect Diseases 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 235000011007 phosphoric acid Nutrition 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001096 P alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- C25D11/38—Chromatising
-
- 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
- C23C22/24—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 hexavalent chromium compounds
-
- 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
- C23C22/24—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 hexavalent chromium compounds
- C23C22/33—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 hexavalent chromium compounds containing also phosphates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/09—Wave forms
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemically Coating (AREA)
- Chemical Treatment Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB898904434A GB8904434D0 (en) | 1989-02-27 | 1989-02-27 | Conversion composition and process |
| GB898921788A GB8921788D0 (en) | 1989-09-27 | 1989-09-27 | Conversion composition and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9004313D0 GB9004313D0 (en) | 1990-04-25 |
| GB2230275A true GB2230275A (en) | 1990-10-17 |
Family
ID=26295026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9004313A Withdrawn GB2230275A (en) | 1989-02-27 | 1990-02-27 | Conversion composition and process |
Country Status (9)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2249319B (en) * | 1990-10-04 | 1994-11-30 | Hitachi Metals Ltd | R-TM-B permanent magnet member having improved corrosion resistance and method of producing same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB502678A (en) * | 1937-06-22 | 1939-03-22 | Robert Walton Buzzard | Bath for and method of coating magnesium and its alloys |
| GB631237A (en) * | 1939-01-31 | 1949-10-31 | Herbert Manfred Freud | Improvements in process for obtaining by galvanic means a coating for protecting magnesium from corrosion |
| JPS5041942A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-01 | 1975-04-16 | ||
| GB1435518A (en) * | 1972-10-12 | 1976-05-12 | Int Nickel Ltd | Electrolytic treatment of chromium-containing alloys and electro lytes for use therein |
| DD136980A1 (de) * | 1978-06-07 | 1979-08-08 | Heidrun Below | Elektrolyt zur abscheidung schwarzer chromschichten |
| JPS58189393A (ja) * | 1982-04-26 | 1983-11-05 | Kobe Steel Ltd | 黒色Ｃｒめつき太陽熱集熱板の製造方法 |
| EP0094127A1 (en) * | 1982-05-06 | 1983-11-16 | Koninklijke Philips Electronics N.V. | Article having a layer of a nickel-phosphorous alloy and coated with a protective layer |
| JPS59211598A (ja) * | 1984-04-05 | 1984-11-30 | Kawasaki Heavy Ind Ltd | 黒色クロムめつき方法 |
| GB2196988A (en) * | 1986-02-19 | 1988-05-11 | Licencia Talalmanyokat | Electrolytic bath for forming a glossy black chromium coating layer |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2975073A (en) * | 1958-02-06 | 1961-03-14 | Dow Chemical Co | Corrosion resistance of electroless nickel plate |
| US3088846A (en) * | 1962-01-24 | 1963-05-07 | Gen Am Transport | Processes of treating nickel-phosphorus alloy coatings and the resulting modified coatings |
| US3400021A (en) * | 1967-03-15 | 1968-09-03 | Oakite Prod Inc | Conversion coating compositions and method |
| FR2139750A1 (en) * | 1971-06-03 | 1973-01-12 | Sev Marchal | Metal surface treatment - for obtaining a low uniform reflectivity |
| US3982951A (en) * | 1971-09-16 | 1976-09-28 | Stauffer Chemical Company | Aluminum chromate protective coatings for aluminum |
| FR2220600B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-03-09 | 1976-09-10 | Mecano Bundy Gmbh | |
| US3876435A (en) * | 1973-10-01 | 1975-04-08 | Amchem Prod | Chromate conversion coating solutions having chloride, sulfate, and nitrate anions |
| US3998601A (en) * | 1973-12-03 | 1976-12-21 | Yates Industries, Inc. | Thin foil |
| GB1531056A (en) * | 1976-06-01 | 1978-11-01 | Bnf Metals Tech Centre | Electrolytic production of chromium conversion coatings |
| US4591416A (en) * | 1983-01-04 | 1986-05-27 | Ebara-Udylite Co., Ltd. | Chromate composition and process for treating zinc-nickel alloys |
| CA1274754A (en) * | 1985-09-06 | 1990-10-02 | Gary A. Reghi | Passivation process and composition for zinc-aluminum alloys |
-
1990
- 1990-02-09 NL NL9000310A patent/NL9000310A/nl not_active Application Discontinuation
- 1990-02-16 US US07/482,116 patent/US4983262A/en not_active Expired - Fee Related
- 1990-02-17 DE DE4005089A patent/DE4005089A1/de active Granted
- 1990-02-21 ES ES9000521A patent/ES2021948A6/es not_active Expired - Lifetime
- 1990-02-23 IT IT47672A patent/IT1240777B/it active IP Right Grant
- 1990-02-23 BE BE9000203A patent/BE1003584A5/fr not_active IP Right Cessation
- 1990-02-27 JP JP2047103A patent/JPH02270968A/ja active Pending
- 1990-02-27 GB GB9004313A patent/GB2230275A/en not_active Withdrawn
- 1990-02-27 CH CH610/90A patent/CH680003A5/de not_active IP Right Cessation
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB502678A (en) * | 1937-06-22 | 1939-03-22 | Robert Walton Buzzard | Bath for and method of coating magnesium and its alloys |
| GB631237A (en) * | 1939-01-31 | 1949-10-31 | Herbert Manfred Freud | Improvements in process for obtaining by galvanic means a coating for protecting magnesium from corrosion |
| GB1435518A (en) * | 1972-10-12 | 1976-05-12 | Int Nickel Ltd | Electrolytic treatment of chromium-containing alloys and electro lytes for use therein |
| JPS5041942A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-06-01 | 1975-04-16 | ||
| DD136980A1 (de) * | 1978-06-07 | 1979-08-08 | Heidrun Below | Elektrolyt zur abscheidung schwarzer chromschichten |
| JPS58189393A (ja) * | 1982-04-26 | 1983-11-05 | Kobe Steel Ltd | 黒色Ｃｒめつき太陽熱集熱板の製造方法 |
| EP0094127A1 (en) * | 1982-05-06 | 1983-11-16 | Koninklijke Philips Electronics N.V. | Article having a layer of a nickel-phosphorous alloy and coated with a protective layer |
| JPS59211598A (ja) * | 1984-04-05 | 1984-11-30 | Kawasaki Heavy Ind Ltd | 黒色クロムめつき方法 |
| GB2196988A (en) * | 1986-02-19 | 1988-05-11 | Licencia Talalmanyokat | Electrolytic bath for forming a glossy black chromium coating layer |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2021948A6 (es) | 1991-11-16 |
| IT1240777B (it) | 1993-12-17 |
| IT9047672A0 (it) | 1990-02-23 |
| NL9000310A (nl) | 1990-09-17 |
| CH680003A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-05-29 |
| GB9004313D0 (en) | 1990-04-25 |
| JPH02270968A (ja) | 1990-11-06 |
| US4983262A (en) | 1991-01-08 |
| DE4005089A1 (de) | 1990-08-30 |
| IT9047672A1 (it) | 1990-08-28 |
| BE1003584A5 (fr) | 1992-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |