CH229616A - Verfahren zur Herstellung korrosionsverhindernder Schutzschichten auf Werkstücken aus Magnesiumlegierungen. - Google Patents
Verfahren zur Herstellung korrosionsverhindernder Schutzschichten auf Werkstücken aus Magnesiumlegierungen.Info
- Publication number
- CH229616A CH229616A CH229616DA CH229616A CH 229616 A CH229616 A CH 229616A CH 229616D A CH229616D A CH 229616DA CH 229616 A CH229616 A CH 229616A
- Authority
- CH
- Switzerland
- Prior art keywords
- nitric acid
- solution
- addition
- chromate
- corrosion
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 10
- 229910000861 Mg alloy Inorganic materials 0.000 title claims description 8
- 239000011241 protective layer Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 150000001805 chlorine compounds Chemical class 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 238000005554 pickling Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical class [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C23C22/24—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
-
- 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
- C23C22/34—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
- C23C22/37—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 containing also 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE229616X | 1940-12-31 | ||
| DEI68564D DE735241C (de) | 1940-12-31 | 1941-01-01 | Beizloesungen fuer die Oberflaechenbehandlung von Werkstuecken aus Magnesiumlegierungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH229616A true CH229616A (de) | 1943-11-15 |
Family
ID=61187013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH229616D CH229616A (de) | 1940-12-31 | 1941-10-15 | Verfahren zur Herstellung korrosionsverhindernder Schutzschichten auf Werkstücken aus Magnesiumlegierungen. |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE443089A (en:Method) |
| CH (1) | CH229616A (en:Method) |
| DE (1) | DE735241C (en:Method) |
| FR (1) | FR875990A (en:Method) |
| NL (1) | NL58758C (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2613165A (en) * | 1950-07-03 | 1952-10-07 | Aluminum Co Of America | Surface treatment of magnesium and magnesium alloy articles |
| US2727841A (en) * | 1950-11-30 | 1955-12-20 | Poor & Co | Method and composition for improving corrosion resistance of zinc |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844496A (en) * | 1957-02-25 | 1958-07-22 | Newell Isaac Laird | Formation of corrosion resistant films on aluminum |
| DE1220700B (de) * | 1963-03-29 | 1966-07-07 | Knapsack Ag | Loesung zum Blankbeizen von Magnesiumlegierungen |
| PL1813441T3 (pl) † | 2006-01-25 | 2009-06-30 | Kum Ltd | Artykuł biurowy albo kosmetyczny z materiału magnezowego |
-
1941
- 1941-01-01 DE DEI68564D patent/DE735241C/de not_active Expired
- 1941-10-11 NL NL103218A patent/NL58758C/xx active
- 1941-10-14 FR FR875990D patent/FR875990A/fr not_active Expired
- 1941-10-15 CH CH229616D patent/CH229616A/de unknown
- 1941-10-17 BE BE443089D patent/BE443089A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2613165A (en) * | 1950-07-03 | 1952-10-07 | Aluminum Co Of America | Surface treatment of magnesium and magnesium alloy articles |
| US2727841A (en) * | 1950-11-30 | 1955-12-20 | Poor & Co | Method and composition for improving corrosion resistance of zinc |
Also Published As
| Publication number | Publication date |
|---|---|
| FR875990A (fr) | 1942-10-09 |
| NL58758C (en:Method) | 1947-01-15 |
| DE735241C (de) | 1943-05-10 |
| BE443089A (en:Method) | 1941-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE972727C (de) | Verfahren zur Behandlung von Metalloberflaechen vor dem Aufbringen von UEberzuegen | |
| DE1279424B (de) | Bad zum galvanischen UEberziehen von Metallen mit Iridium | |
| EP0240943B1 (de) | Verfahren zur Erzeugung von Konversionsüberzügen auf Zink- oder Zinklegierungsoberflächen | |
| DE861184C (de) | Verfahren zur Bildung von UEberzuegen auf rostfreien Staehlen | |
| DE2856765A1 (de) | Verfahren zur herstellung von eisenphosphatueberzuegen auf metallen | |
| CH229616A (de) | Verfahren zur Herstellung korrosionsverhindernder Schutzschichten auf Werkstücken aus Magnesiumlegierungen. | |
| EP0059994B1 (de) | Verfahren zur Herstellung von Phosphatüberzügen auf Metalloberflächen | |
| DE853695C (de) | Verfahren zur Herstellung von Phosphatueberzuegen auf Metallen | |
| DE734859C (de) | Verfahren zur Erzeugung von Schichten auf Eisen und Eisenlegierungen | |
| DE891171C (de) | Verfahren zur Aufbringung von UEberzuegen auf Chrom und Legierungen des Chroms | |
| DE2239581C3 (de) | Lösung und Verfahren zum Aufbringen von Überzügen auf Zink oder Zinklegierungen | |
| DE717183C (de) | Verfahren zur Herstellung von schwarz gefaerbten korrosionsbestaendigen Schutzschichten auf der Oberflaeche von Gegenstaenden aus Aluminium oder Aluminiumlegierungen | |
| DE1152591B (de) | Verfahren zur Herstellung von UEberzuegen auf Zink und Zinklegierungen und Konzentrat zur Durchfuehrung des Verfahrens | |
| DE1088311B (de) | Verfahren zur Herstellung festhaftender Schutzueberzuege auf Oberflaechen aus Titan,Zirkon oder Legierungen derselben | |
| DE2106626A1 (de) | Verfahren zur Herstellung eines Phosphatüberzuges auf Metalloberflächen | |
| DE641933C (de) | Verfahren zur Erhoehung der Haftfaehigkeit und Lebensdauer von UEberzuegen von Farbe, Lack u. dgl. auf korrosionsfaehigen Schwermetalloberflaechen, insbesondere solcher von Eisen und Eisenlegierungen | |
| DE883545C (de) | Verfahren zur Verbesserung der Korrosionsbestaendigkeit von Eisen und Stahl | |
| DE1521879B2 (de) | Verfahren zum Aufbringen von Phosphatüberzügen auf Eisen und Stahl | |
| DE827791C (de) | Verfahren zur Verbesserung des Ziehens von Draehten und Profilen aus Eisen und Stahl | |
| DE1287891B (de) | Verfahren zum Aufbringen eines PhosphatÜberzuges auf Oberflächen aus Eisen oder Zink | |
| AT200879B (de) | Verfahren zur Verbesserung der Korrosionsbeständigkeit von Metallen | |
| DE891649C (de) | Verfahren zur Herstellung von UEberzuegen auf Nickel und Nickellegierungen | |
| DE1771554A1 (de) | Verfahren zum Verzinnen von Eisen | |
| DE1211466B (de) | Waessrige nickel-beschleunigte Phosphatierungs-loesungen und Verfahren zu ihrer Anwendung | |
| DE1621467B2 (de) | Verfahren zum nachbehandeln von oxidschutzschichten oder anderen umwandlungsueberzuegen auf metalloberflaechen |