ES423677A1 - Formation of phosphate coatings - Google Patents
Formation of phosphate coatingsInfo
- Publication number
- ES423677A1 ES423677A1 ES423677A ES423677A ES423677A1 ES 423677 A1 ES423677 A1 ES 423677A1 ES 423677 A ES423677 A ES 423677A ES 423677 A ES423677 A ES 423677A ES 423677 A1 ES423677 A1 ES 423677A1
- Authority
- ES
- Spain
- Prior art keywords
- weight ratio
- presenting
- free
- formation
- total
- 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.)
- Expired
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
- C23C22/34—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
- C23C22/36—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 phosphates
- C23C22/362—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 phosphates containing also zinc cations
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)
Abstract
Phosphating procedure of iron and steel, by the soaking method, using acidic aqueous solutions containing oxidants, based on zinc phosphate, for the preparation of the pieces with a view to cold forming without chip removal, characterized by using bath solutions containing 4 to 20 g/l Zn ++, 3 to 20 g/l P2O5, 50 g/l NO3-, 0.001 to 0.5 Ni ++, 001 to 0.050 g/l of Cu ++, 0.1 to 2.0 g/l of F- and 0.01 to 0.5 g/l of NO2-, presenting a weight ratio between free P2O5 and total P2O5 of (0.30 aO, 65): 1, and a weight ratio between Zn: P2O5: NO3 of (1 to 3.5): 1: (1.5 to 6.0), at a temperature of from 50 to 80ºC, with the bath solutions rising in the weight ratio Zn: P2O5: NO3: Ni: Cu: F of (0.4 to 0, 8): 1: (0.4 to 0.9): (0.0001 to 0.05): (0.0005 to 0.003): (0.005 to 0.1) and presenting a weight ratio between free P2O5 and the total P2O5 of (0.4 to 0.8): 1. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2333049A DE2333049C3 (en) | 1973-06-29 | 1973-06-29 | Process for phosphating iron and steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES423677A1 true ES423677A1 (en) | 1976-05-01 |
Family
ID=5885409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES423677A Expired ES423677A1 (en) | 1973-06-29 | 1974-02-27 | Formation of phosphate coatings |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT335249B (en) |
| BE (1) | BE811221A (en) |
| BR (1) | BR7405296D0 (en) |
| CH (1) | CH593348A5 (en) |
| DE (1) | DE2333049C3 (en) |
| ES (1) | ES423677A1 (en) |
| FR (1) | FR2235203B1 (en) |
| GB (1) | GB1413464A (en) |
| IT (1) | IT1015364B (en) |
| NL (1) | NL178520C (en) |
| SE (1) | SE391200B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0612217B2 (en) * | 1985-04-30 | 1994-02-16 | 日本電装株式会社 | Aluminum heat exchanger and its manufacturing method |
| DE3636390A1 (en) * | 1986-10-25 | 1988-04-28 | Metallgesellschaft Ag | METHOD FOR PRODUCING PHOSPHATE COATINGS ON METALS |
| ES2058464T3 (en) * | 1988-02-03 | 1994-11-01 | Metallgesellschaft Ag | PROCEDURE FOR THE GENERATION OF PHOSPHATE COATING ON METALS. |
-
1973
- 1973-06-29 DE DE2333049A patent/DE2333049C3/en not_active Expired
-
1974
- 1974-01-30 FR FR7403091A patent/FR2235203B1/fr not_active Expired
- 1974-02-18 BE BE141086A patent/BE811221A/en not_active IP Right Cessation
- 1974-02-27 ES ES423677A patent/ES423677A1/en not_active Expired
- 1974-04-22 AT AT333074A patent/AT335249B/en not_active IP Right Cessation
- 1974-05-27 NL NLAANVRAGE7407062,A patent/NL178520C/en not_active IP Right Cessation
- 1974-06-25 IT IT24378/74A patent/IT1015364B/en active
- 1974-06-27 GB GB2855774A patent/GB1413464A/en not_active Expired
- 1974-06-27 BR BR5296/74A patent/BR7405296D0/en unknown
- 1974-06-27 CH CH884674A patent/CH593348A5/xx not_active IP Right Cessation
- 1974-06-28 SE SE7408597A patent/SE391200B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2235203A1 (en) | 1975-01-24 |
| NL178520C (en) | 1986-04-01 |
| BR7405296D0 (en) | 1975-01-07 |
| DE2333049B2 (en) | 1977-02-10 |
| AT335249B (en) | 1977-02-25 |
| BE811221A (en) | 1974-06-17 |
| FR2235203B1 (en) | 1976-10-08 |
| NL178520B (en) | 1985-11-01 |
| IT1015364B (en) | 1977-05-10 |
| SE391200B (en) | 1977-02-07 |
| CH593348A5 (en) | 1977-11-30 |
| ATA333074A (en) | 1975-02-15 |
| DE2333049A1 (en) | 1975-01-23 |
| SE7408597L (en) | 1974-12-30 |
| DE2333049C3 (en) | 1980-09-25 |
| GB1413464A (en) | 1975-11-12 |
| NL7407062A (en) | 1974-12-31 |
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