CN104792692A - Corrosive working electrode - Google Patents
Corrosive working electrode Download PDFInfo
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- CN104792692A CN104792692A CN201510166564.7A CN201510166564A CN104792692A CN 104792692 A CN104792692 A CN 104792692A CN 201510166564 A CN201510166564 A CN 201510166564A CN 104792692 A CN104792692 A CN 104792692A
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- electrode
- casing
- working electrode
- wire
- corrosive
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
A corrosive working electrode comprises a casing, an electrode, a wire and a filling layer, wherein the casing is made of a PVC (polyvinyl chloride) pipe, and a hole is formed in a circumferential surface of the casing; the electrode is arranged in the casing; one end of the wire is fixed on the outer surface of the electrode in a surrounding welding manner, and the other end of the wire penetrates through the hole and extends to the outside of the casing; the filling layer is located in space between the casing and the electrode and is formed through curing of epoxy resin. The corrosive working electrode can be widely applied to a large number of experiments and has good conductivity, sealing property and testability; the material of the casing is stable and has no influence on the surrounding environment in the testing process; the corrosive working electrode has played a crucial role in the corrosive experiments about stray current corrosion, electrochemical corrosion, cathode protection and the like; besides, the corrosive working electrode is not affected by environmental climate and geographic location; different types of electrodes can be adopted, so that good universality is realized.
Description
Technical field
The invention belongs to galvanic corrosion technical field of measurement and test, particularly relate to a kind of corrosivity working electrode.
Background technology
Current corrosion problems is key subjects, concern the development of national economy, although country and relevant departments attach great importance to problems, but still the problems such as some such as pipe explosions occur sometimes, one of most important reason causing this kind of problem is exactly corrosive pipeline.So corrosion research is very important problem always, wherein the research and development of electrode are important foundations of this research.
The corrosivity working electrode price of selling in the market is high, poor performance, and kind is few, and can not meet the needs of all kinds of difference research.For this reason, independent research is very necessary with making working electrode.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of corrosivity working electrode.
In order to achieve the above object, corrosivity working electrode provided by the invention comprises shell, electrode, wire and packed layer; Its housing is made up of pvc pipe, its periphery is formed with a perforate; Electrode is arranged on enclosure; Wire one end is to be fixed on electrode outer surface around welding manner, and the other end runs through perforate and extends to housing exterior; In the space of packed layer between shell and electrode, it is formed by after epoxy resin cure.
Described electrode is X70 steel, X80 steel or AL-Mg alloy electrode, and it is cylindrical, and arranges with shell is concentric.
Corrosivity working electrode provided by the invention can be widely used in great many of experiments, has good electric conductivity, sealing and testability, and sheathing material is stablized, on environment residing for test process without impact.Now in the corrosion tests such as stray current corrosion, galvanic corrosion, cathodic protection, serve key effect.In addition, this device is not subject to the impact in amblent air temperature and geographic position, and can adopt different types of electrode, so have good versatility.In addition, by the packed layer formed after epoxy resin cure, there is good physics, chemical property, it has excellent bonding strength to the surface of metal and nonmetallic materials, dielectric properties are good, deformation retract rate is little, product size good stability, and hardness is high, pliability is better, stable in properties in soda acid and most of solvent.
Accompanying drawing explanation
Fig. 1 is corrosivity working electrode structure stereographic map provided by the invention.
Fig. 2 is corrosivity working electrode housing structural perspective provided by the invention.
Fig. 3 is electrode and conductor structure stereographic map in corrosivity working electrode provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, corrosivity working electrode provided by the invention is described in detail.
As shown in Fig. 1-Fig. 3, corrosivity working electrode provided by the invention comprises shell 1, electrode 2, wire 3 and packed layer 4; Its housing 1 is made up of pvc pipe, its periphery is formed with a perforate 5; It is inner that electrode 2 is arranged on shell 1; Wire 3 one end is to be fixed on electrode 2 outside surface around welding manner, the other end runs through perforate 5 and extends to shell 1 outside; In the space of packed layer 4 between shell 1 and electrode 2, it is formed by after epoxy resin cure.
Described electrode 2 is X70 steel, X80 steel or AL-Mg alloy electrode, and it is cylindrical, and arranges with shell 1 is concentric.
Now corrosivity working electrode using method provided by the invention is described below:
Now be described for the coal microorganisms corrosion experiment that navigates:
Test medium solution is the electrolytic solution of aviation kerosene and water stratification structure, and is immersed in by electrode in the aqueous phase under water-oil interface and studies.Get the beaker of 12 250mL, add the pure boat coal of 150mL and 50mL distilled water respectively, form medium solution.Respectively with 4 DEG C, 15 DEG C, 30 DEG C three different thermogrades are condition, X70 steel and AL-Mg alloy electrode are immersed in respectively containing constant temperature culture in bacterium and aseptic medium solution one week, carry out electro-chemical test experiment.
Electro-chemical test adopts CHI660D electro-chemical systems, measures and adopts three-electrode system: auxiliary electrode is area is 1cm
2platinum plate electrode, contrast electrode adopt saturated calomel electrode (SCE), Electrode is X70 steel electrode and AL-Mg alloy electrode.Ac impedance measurement frequency range is 1Hz ~ 100000Hz, amplitude 5mV, and carries out matching parsing with ZSimpWin software to impedance spectrogram.Before electrochemical measurement, measuring system is stablized about 20min, make to measure and carry out under corrosion potential.
Claims (2)
1. a corrosivity working electrode, is characterized in that: it comprises shell (1), electrode (2), wire (3) and packed layer (4); Its housing (1) is made up of pvc pipe, its periphery is formed with a perforate (5); It is inner that electrode (2) is arranged on shell (1); Wire (3) one end is to be fixed on electrode (2) outside surface around welding manner, the other end runs through perforate (5) and extends to shell (1) outside; Packed layer (4) is arranged in the space between shell (1) and electrode (2), and it is formed by after epoxy resin cure.
2. corrosivity working electrode according to claim 1, is characterized in that: described electrode (2) is X70 steel, X80 steel or AL-Mg alloy electrode, and it is cylindrical, and arranges with shell (1) is concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166564.7A CN104792692A (en) | 2015-04-09 | 2015-04-09 | Corrosive working electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166564.7A CN104792692A (en) | 2015-04-09 | 2015-04-09 | Corrosive working electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104792692A true CN104792692A (en) | 2015-07-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510166564.7A Pending CN104792692A (en) | 2015-04-09 | 2015-04-09 | Corrosive working electrode |
Country Status (1)
| Country | Link |
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| CN (1) | CN104792692A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167501A (en) * | 2017-04-21 | 2017-09-15 | 上海电力学院 | A kind of preparation method of electrochemical working electrode, the device for preparing electrode and electrode |
| CN110006813A (en) * | 2019-04-08 | 2019-07-12 | 贵州师范大学 | A kind of production method of amorphous metal strip corroding electrode |
| CN113551975A (en) * | 2021-07-29 | 2021-10-26 | 苏州热工研究院有限公司 | Sample clamping device suitable for erosion performance test, preparation method thereof and rotary disc type erosion equipment |
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2015
- 2015-04-09 CN CN201510166564.7A patent/CN104792692A/en active Pending
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| US20100086838A1 (en) * | 2007-01-22 | 2010-04-08 | Commissariat A L'energie Atomique | Reference electrode, manufacturing method and battery comprising same |
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| CN201514395U (en) * | 2009-07-30 | 2010-06-23 | 张榕 | Ruhende electrode with mercury-saving device |
| CN101776636A (en) * | 2010-01-22 | 2010-07-14 | 福州大学 | Magnetic working electrode and preparation method thereof |
| CN102087241A (en) * | 2010-11-17 | 2011-06-08 | 哈尔滨工业大学 | Method for preparing all-solid-state reference electrode (RE) based on EB-PVD (electron beam physical vapor deposition) and Sol-Gel |
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| 崔艳雨等: "X70钢在含硫酸盐还原菌喷气燃料中的腐蚀行为", 《腐蚀与防护》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167501A (en) * | 2017-04-21 | 2017-09-15 | 上海电力学院 | A kind of preparation method of electrochemical working electrode, the device for preparing electrode and electrode |
| CN107167501B (en) * | 2017-04-21 | 2019-08-16 | 上海电力学院 | A kind of electrochemical working electrode prepares the device of electrode and the preparation method of electrode |
| CN110006813A (en) * | 2019-04-08 | 2019-07-12 | 贵州师范大学 | A kind of production method of amorphous metal strip corroding electrode |
| CN113551975A (en) * | 2021-07-29 | 2021-10-26 | 苏州热工研究院有限公司 | Sample clamping device suitable for erosion performance test, preparation method thereof and rotary disc type erosion equipment |
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Application publication date: 20150722 |
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| RJ01 | Rejection of invention patent application after publication |