JPH0561358B2 - - Google Patents
Info
- Publication number
- JPH0561358B2 JPH0561358B2 JP26825188A JP26825188A JPH0561358B2 JP H0561358 B2 JPH0561358 B2 JP H0561358B2 JP 26825188 A JP26825188 A JP 26825188A JP 26825188 A JP26825188 A JP 26825188A JP H0561358 B2 JPH0561358 B2 JP H0561358B2
- Authority
- JP
- Japan
- Prior art keywords
- plated steel
- corrosion resistance
- chromate
- steel sheets
- bath
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 30
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
- 229910003899 H2ZrF6 Inorganic materials 0.000 claims 1
- 238000005260 corrosion Methods 0.000 description 26
- 230000007797 corrosion Effects 0.000 description 26
- 238000000576 coating method Methods 0.000 description 15
- 239000011701 zinc Substances 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 229910052725 zinc Inorganic materials 0.000 description 9
- 229910001335 Galvanized steel Inorganic materials 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 239000008397 galvanized steel Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000007747 plating Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 239000011651 chromium Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000010422 painting Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910000680 Aluminized steel Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000001263 FEMA 3042 Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000002087 whitening effect Effects 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26825188A JPH02118099A (ja) | 1988-10-26 | 1988-10-26 | 金属メッキ鋼板用電解クロメート浴 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26825188A JPH02118099A (ja) | 1988-10-26 | 1988-10-26 | 金属メッキ鋼板用電解クロメート浴 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02118099A JPH02118099A (ja) | 1990-05-02 |
| JPH0561358B2 true JPH0561358B2 (nl) | 1993-09-06 |
Family
ID=17455985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26825188A Granted JPH02118099A (ja) | 1988-10-26 | 1988-10-26 | 金属メッキ鋼板用電解クロメート浴 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118099A (nl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02145797A (ja) * | 1988-11-28 | 1990-06-05 | Nippon Steel Corp | 金属表面処理鋼板の電解クロメート処理方法 |
| JP3105322B2 (ja) * | 1991-12-27 | 2000-10-30 | 日産自動車株式会社 | 光輝性アルミホイールの無色クロメート皮膜形成方法 |
-
1988
- 1988-10-26 JP JP26825188A patent/JPH02118099A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02118099A (ja) | 1990-05-02 |
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