DE2204276A1 - Verfahren zur elektrochemischen Ermittlung der Korrosionsschutzwerte von organischen Schutzschichten - Google Patents
Verfahren zur elektrochemischen Ermittlung der Korrosionsschutzwerte von organischen SchutzschichtenInfo
- Publication number
- DE2204276A1 DE2204276A1 DE19722204276 DE2204276A DE2204276A1 DE 2204276 A1 DE2204276 A1 DE 2204276A1 DE 19722204276 DE19722204276 DE 19722204276 DE 2204276 A DE2204276 A DE 2204276A DE 2204276 A1 DE2204276 A1 DE 2204276A1
- Authority
- DE
- Germany
- Prior art keywords
- test
- resistance
- corrosion protection
- current
- changes
- 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
Links
- 238000005260 corrosion Methods 0.000 title claims description 32
- 230000007797 corrosion Effects 0.000 title claims description 31
- 238000000034 method Methods 0.000 title claims description 28
- 239000011241 protective layer Substances 0.000 title claims description 28
- 230000008569 process Effects 0.000 title description 16
- 238000012360 testing method Methods 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000005259 measurement Methods 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000012085 test solution Substances 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims 1
- 239000011148 porous material Substances 0.000 description 27
- 230000005764 inhibitory process Effects 0.000 description 19
- 239000010408 film Substances 0.000 description 18
- 239000010410 layer Substances 0.000 description 15
- 230000001681 protective effect Effects 0.000 description 13
- 238000002161 passivation Methods 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- 230000010287 polarization Effects 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000010889 donnan-equilibrium Methods 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000840 electrochemical analysis Methods 0.000 description 2
- 238000002848 electrochemical method Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000005370 electroosmosis Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 206010037888 Rash pustular Diseases 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000003246 corticosteroid Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 208000029561 pustule Diseases 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15291571A DD95811A3 (enExample) | 1971-02-05 | 1971-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2204276A1 true DE2204276A1 (de) | 1972-09-14 |
Family
ID=5483421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722204276 Pending DE2204276A1 (de) | 1971-02-05 | 1972-01-29 | Verfahren zur elektrochemischen Ermittlung der Korrosionsschutzwerte von organischen Schutzschichten |
Country Status (2)
| Country | Link |
|---|---|
| DD (1) | DD95811A3 (enExample) |
| DE (1) | DE2204276A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2459469A1 (fr) * | 1979-06-21 | 1981-01-09 | Fiat Ricerche | Procede pour la determination rapide de la resistance a la corrosion d'un revetement depose par electrophorese, et dispositif pour mettre en oeuvre ce procede |
| CN115326697A (zh) * | 2022-08-29 | 2022-11-11 | 格力电器(南京)有限公司 | 一种有机涂层耐腐蚀性快速检测装置及方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3143780B2 (ja) * | 1996-06-10 | 2001-03-07 | 本田技研工業株式会社 | 金属素材と塗膜とよりなる試験体の耐食試験法および電解試験機 |
| JP3062807B2 (ja) * | 1997-05-06 | 2000-07-12 | 本田技研工業株式会社 | 金属素材と塗膜とよりなる試験体の耐食試験法 |
-
1971
- 1971-02-05 DD DD15291571A patent/DD95811A3/xx unknown
-
1972
- 1972-01-29 DE DE19722204276 patent/DE2204276A1/de active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2459469A1 (fr) * | 1979-06-21 | 1981-01-09 | Fiat Ricerche | Procede pour la determination rapide de la resistance a la corrosion d'un revetement depose par electrophorese, et dispositif pour mettre en oeuvre ce procede |
| CN115326697A (zh) * | 2022-08-29 | 2022-11-11 | 格力电器(南京)有限公司 | 一种有机涂层耐腐蚀性快速检测装置及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DD95811A3 (enExample) | 1973-02-20 |
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