JPS5454093A - Metal corrosion rate meter - Google Patents
Metal corrosion rate meterInfo
- Publication number
- JPS5454093A JPS5454093A JP12078077A JP12078077A JPS5454093A JP S5454093 A JPS5454093 A JP S5454093A JP 12078077 A JP12078077 A JP 12078077A JP 12078077 A JP12078077 A JP 12078077A JP S5454093 A JPS5454093 A JP S5454093A
- Authority
- JP
- Japan
- Prior art keywords
- potential
- corrosion rate
- metal strip
- correct
- output
- 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
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
PURPOSE: To accurately obtain the corrosion rate by analyzing the fluctuations in potential before and after supply of a constant current with the use of a calculation controller so as to obtain the correct polarizing value.
CONSTITUTION: A cell 1, in which a corrosive system to be measured is accommodated, has a sample metal strip 2, a reference electrode 3 and a opposite electrode 4 in or in the vicinity of a corrosive liquid. The metal strip 2 and the opposite electrode are connected with the output terminal of a constant current power source 5, and the metal strip 2 and the electrode 3 are connected with the input terminal of a potential measuring device 6. The output of the power source 5 is controlled by a calculation controller 7 so that the output of the potential measuring device 6 is fed to the controller 7. And, the influence of the liquid resistance is eliminated from the difference in the rate in potential change, and the portion, where the time change of the potential can be judged to be linear, is detected. By extrapolating that portion, the influence of the change of second order of the surface condition on the metal is elminated to obtain the correct polarized value, so that the desired correct corrosion rate can be deduced
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12078077A JPS5454093A (en) | 1977-10-07 | 1977-10-07 | Metal corrosion rate meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12078077A JPS5454093A (en) | 1977-10-07 | 1977-10-07 | Metal corrosion rate meter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5454093A true JPS5454093A (en) | 1979-04-27 |
Family
ID=14794811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12078077A Pending JPS5454093A (en) | 1977-10-07 | 1977-10-07 | Metal corrosion rate meter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5454093A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101209821B1 (en) | 2010-11-29 | 2012-12-07 | 한국전력공사 | Measurement Method of Corrosion Rate of Metal in Water Solution |
-
1977
- 1977-10-07 JP JP12078077A patent/JPS5454093A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101209821B1 (en) | 2010-11-29 | 2012-12-07 | 한국전력공사 | Measurement Method of Corrosion Rate of Metal in Water Solution |
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