CN105004770A - Electrochemical sensor used for atmosphere corrosive monitoring, and application method thereof - Google Patents
Electrochemical sensor used for atmosphere corrosive monitoring, and application method thereof Download PDFInfo
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- 239000002184 metal Substances 0.000 claims abstract description 83
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 238000005260 corrosion Methods 0.000 claims abstract description 24
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- 238000009413 insulation Methods 0.000 claims abstract description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 24
- 239000012212 insulator Substances 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052725 zinc Inorganic materials 0.000 claims description 17
- 239000011701 zinc Substances 0.000 claims description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 15
- 238000011160 research Methods 0.000 claims description 13
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- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
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- 239000007787 solid Substances 0.000 claims description 5
- NFAOATPOYUWEHM-UHFFFAOYSA-N 2-(6-methylheptyl)phenol Chemical compound CC(C)CCCCCC1=CC=CC=C1O NFAOATPOYUWEHM-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 239000000080 wetting agent Substances 0.000 claims description 4
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
The invention discloses an electrochemical sensor used for atmosphere corrosive monitoring, and an application method thereof. According to the electrochemical sensor, lines of first metal electrodes and lines of second metal electrodes are arranged alternately and closely, and are packaged with epoxy resin; on the back side of the electrochemical sensor, the metal electrodes of the same kind are connected via wire welding so as to obtain two connection ends; the two connection ends of the electrochemical sensor are connected with RVVP, and are led up to a current measuring device. Preparation materials of the electrochemical sensor are easily available, are low in cost, and possess a promising application prospect; thickness control of inter-electrode insulation layers depends on preparation technology of copper varnished wire, and precision is higher compared with thin film interlayers adopted by other electrochemical sensors; different insulation layer thickness can be chosen based on the difference of atmosphere conditions so as to provide the electrochemical sensor with appropriate service life, widen application range of the electrochemical sensor, and realize application of the electrochemical sensor in natural atmosphere environment, working condition atmosphere environment, and accelerated atmosphere corrosion test chambers.
Description
Technical field
The present invention relates to electrochemical sensor technology field, particularly relate to a kind of atmospheric corrosiveness monitoring electrochemical sensor and using method thereof.
Background technology
The corrosion of metal material in atmospheric environment, metal material surface is coated with the important behaviour form that metal erosion under organic coating aging and coating is in an atmosphere all material failure process.For predicting and evaluating material is at the Corrosion developing of a certain environment, classifying to environmental corrosion grade is to one of effective way that the material military service life-span is predicted.The main method that tradition carries out atmospheric corrosiveness assessment has the corrosion weight loss method of standard metal material (carbon steel, copper, aluminium, zinc), the essential environmental factors appraisal procedure (GB/T 19292.1-2003) of impact corrosion, not only data obtaining time is long, and data acquisition is more difficult, therefore, carry out Real-Time Atmospheric corrosivity monitoring and evaluation, significant to the extent of corrosion understanding atmospheric corrosiveness and material.
The corrosion failure of metal material is a kind of spontaneous electrochemical process in essence, and the micro-electric current produced by monitoring material corrosion, can effectively understand corrosion process information.The present invention adopts metal material to form galvanic couple to making dual-electrode sensor as electrode, assesses atmospheric corrosiveness by monitoring galvanic couple to the Galvanic Current flow through between bipolar electrode.
Atmospheric corrosion electrochemical monitoring method conventional is at present Kelvin probe (Kelvin), resistance probe technology, reluctance probe technology etc., Kelvin probe (Kelvin) is by the vibration of monitoring inert metal (gold, platinum etc.) probe, and the change of metal surface current potential is measured in the alternation induction current change produced, at present also just with atmospheric corrosiveness assessment in laboratory conditions; Detect in atmospheric corrosiveness at employing resistance probe and reluctance probe and all carried out a large amount of research work both at home and abroad, but they are applied to and change atmospheric corrosion slowly and monitor its sensitivity and be restricted.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of electrochemical sensor and using method thereof of monitoring atmospheric corrosiveness newly, real-time sensitive rapid reaction can go out the galvanic corrosion behavior of outdoor atmospheric environment and corrosion test casing atmosphere; Especially for the long-term field monitoring continued, effectively can produce electrochemical signals, and prepare material be easy to obtain, prepare simple, with low cost.
For achieving the above object, the present invention takes following technical scheme:
A kind of electrochemical sensor of monitoring atmosphere environment corrosion, adopt bipolar electrode system, when actings in conjunction such as pollutant factor, meteorologic factor, metal surface Depositional salts in atmospheric environment, thin electrolyte film, condensation, rainwater and snow etc. are formed at sensor surface, make the lower metal electrode of current potential in galvanic series produce corrosion current because of bimetallic corrosion, this corrosion current can be monitored by Galvanic Current measuring instrument, zero instrument such as resistance reometer or high sensitivity current measuring instrument etc.
A kind of atmospheric corrosiveness monitoring electrochemical sensor, is characterized in that: it comprises multiple first metal electrode, the second metal electrode, organic insulator, wire and epoxy resins insulation matrix; It is outer that described organic insulator is arranged on the first metal electrode; First metal electrode and the second metal electrode ranked first metal electrode and according to one and ranked second metal electrode interlayer and to interlock close-packed arrays, and adopt epoxy encapsulation, same metal electrode connects by wire bonds at the back side of electrochemical sensor and draws link.Wherein the first metal electrode is copper wire, and organic insulator is the outer field organic insulator of copper enameled wire.Wherein the second metal electrode is any one in zinc silk, iron wire, aluminium wire.The wherein equal diameters of two kinds of metal electrodes or close.Distance wherein between two kinds of metal electrodes is the thickness of copper enamelled wire surface organic insulator.Wherein keep open circuit between two kinds of metal electrodes in the dry state.Two links of described sensor connect shielded cable and cause current measuring instrument.
The method for making of described a kind of atmospheric corrosiveness monitoring electrochemical sensor, step is as follows: the first metal electrode and the second metal electrode that are enclosed with organic insulator are staggered according to the mode interlayer of one deck first metal electrode one deck second metal electrode, for ensureing close-packed arrays between two kinds of metal electrodes, mould can be adopted to be compressed by the sensor after arrangement, and adopt epoxy encapsulation, after epoxy resin is done solid work, the same metal electrode wire bonds at the electrochemical sensor back side is coupled together, and draw link, sensor another side is research face, silicon carbide paper is adopted to polish successively in research face, and use metallurgical polishing cloth polishing, washed with de-ionized water, alcohol is cleaned, cold wind dries up.
The using method of described a kind of atmospheric corrosiveness monitoring electrochemical sensor, step is as follows:
A. function confirms: at room temperature condition, when humidity is less than or equal to 50%RH, measure two interelectrode offresistances, this resistance value should be greater than 100M Ω; Described sensor is soaked in 1h in the solution of NaCl containing 10mg/L and 1% ethanol, sensor can produce obvious potential difference (PD) and bimetallic corrosion behavior; Sensor rinses with distilled water after confirming by function, and dry;
B. pre-service: dripping the several solubility containing 1% alcohol dampening agent or 0.1% isooctyl phenol polyoxyethylene ether wetting agent at freshly prepd sensor surface is the NaCl solution of 10mg/L, and makes it spread apart at sensor surface; Then sensor is exposed to >=95%RH environment in a week; Then sensor is stored in exsiccator, until use.
C. using method: sensor is installed in outdoor atmospheric environment, its research towards on towards Due South to placement, be 30 ~ 60 ° of angles with horizontal direction, overhead apart from 0.5 ~ 2m; Around sensor placing position in 10m without obvious shelter, ensure can directly to land rainwater and cause surface area water without other structures in installation site; Sensor two input ends are connected shielded cable and cause current measuring instrument, the power supply of turn-on current measuring equipment, and starts current monitoring according to current measure device instructions.
The present invention has the following advantages:
(1) sensor of the present invention prepare material be easy to obtain, cost is low, has a extensive future;
(2) sensor of the present invention, the THICKNESS CONTROL of its inter-electrode dielectric layer depends on the preparation technology of copper enameled wire, compared with the thin film sandwich adopted, has higher precision with other electrochemical sensors;
(3) sensor of the present invention can be different according to used Atmospheric Condition, select different thickness of insulating layer, sensor is made to have suitable serviceable life, the range of application of expansion electrochemical sensor, makes it can apply in natural atmosphere environment, operating mode atmospheric environment and accelerated exposure test case.
Accompanying drawing
Fig. 1 adopts package assembly schematic diagram of the present invention;
Fig. 2 is the electrochemical sensor structural representation adopting copper enameled wire-zinc silk metal electrode to prepare;
Fig. 3 is the 24 hours current versus time curve adopting the copper electrochemical sensor that enameled wire-prepared by zinc silk metal electrode to obtain.
Embodiment
Technical scheme for a better understanding of the present invention, describes technical scheme provided by the invention in detail below in conjunction with embodiment.
A kind of atmospheric corrosiveness monitoring electrochemical sensor, is characterized in that: it comprises multiple first metal electrode, the second metal electrode, organic insulator, wire and epoxy resins insulation matrix; It is outer that described organic insulator is arranged on the first metal electrode; First metal electrode and the second metal electrode ranked first metal electrode and according to one and ranked second metal electrode interlayer and to interlock close-packed arrays, and adopt epoxy encapsulation, same metal electrode connects by wire bonds at the back side of electrochemical sensor and draws link.Wherein the first metal electrode is copper wire, and organic insulator is the outer field organic insulator of copper enameled wire.Wherein the second metal electrode is any one in zinc silk, iron wire, aluminium wire.The wherein equal diameters of two kinds of metal electrodes or close.Distance wherein between two kinds of metal electrodes is the thickness of copper enamelled wire surface organic insulator.Wherein keep open circuit between two kinds of metal electrodes in the dry state.Two links of described sensor connect shielded cable and cause current measuring instrument.
The method for making of described a kind of atmospheric corrosiveness monitoring electrochemical sensor, step is as follows: the first metal electrode and the second metal electrode that are enclosed with organic insulator are staggered according to the mode interlayer of one deck first metal electrode one deck second metal electrode, for ensureing close-packed arrays between two kinds of metal electrodes, mould can be adopted to be compressed by the sensor after arrangement, and adopt epoxy encapsulation, after epoxy resin is done solid work, the same metal electrode wire bonds at the electrochemical sensor back side is coupled together, and draw link, sensor another side is research face, silicon carbide paper is adopted to polish successively in research face, and use metallurgical polishing cloth polishing, washed with de-ionized water, alcohol is cleaned, cold wind dries up.
The using method of described a kind of atmospheric corrosiveness monitoring electrochemical sensor, step is as follows:
A. function confirms: at room temperature condition, when humidity is less than or equal to 50%RH, measure two interelectrode offresistances, this resistance value should be greater than 100M Ω; Described sensor is soaked in 1h in the solution of NaCl containing 10mg/L and 1% ethanol, sensor can produce obvious potential difference (PD) and bimetallic corrosion behavior; Sensor rinses with distilled water after confirming by function, and dry;
B. pre-service: dripping the several solubility containing 1% alcohol dampening agent or 0.1% isooctyl phenol polyoxyethylene ether wetting agent at freshly prepd sensor surface is the NaCl solution of 10mg/L, and makes it spread apart at sensor surface; Then sensor is exposed to >=95%RH environment in a week; Then sensor is stored in exsiccator, until use.
C. using method: sensor is installed in outdoor atmospheric environment, its research towards on towards Due South to placement, be 30 ~ 60 ° of angles with horizontal direction, overhead apart from 0.5 ~ 2m; Around sensor placing position in 10m without obvious shelter, ensure can directly to land rainwater and cause surface area water without other structures in installation site; Sensor two input ends are connected shielded cable and cause current measuring instrument, the power supply of turn-on current measuring equipment, and starts current monitoring according to current measure device instructions.
Wherein the first metal electrode is copper enameled wire, and organic insulator is the outer field organic insulator of copper enameled wire.Its diameter is selected to determine according to required thickness of insulating layer; Under environment as lower in lower at pollutant load, average annual humiture, the enameled wire of thickness of insulating layer 20 ~ 50 microns can be selected, when atmosphere in test simulation accelerated test case, thickness of insulating layer can be selected to be the enameled wire of 150 ~ 200 microns.Wherein the second metal electrode is the one in zinc silk, iron wire or aluminium wire, and organic insulator is the outer field organic insulator of copper enameled wire, and its diameter is identical with selected copper enameled wire.Described electrochemical sensor working electrode be by the first metal electrode and the second metal electrode stretching, and intercept into the long segment of some 2cm; Described electrochemical sensor working electrode is that the long copper enameled wire of some 2cm and some 2cm other tinsels long are formed, and the quantity of copper enameled wire and dissimilar metal section is determined according to selected diameter.Cross section metal surface wiry is the workplace of electrode generation current, and each electrode is in parallel by several cross sections and forms, and makes the sectional area of often kind of working electrode more than 3cm
2.
In the inventive solutions, two kinds of metal materials are studied working electrode, are used for producing the response to atmosphere environment corrosion.Two kinds of metal materials are staggered according to the mode interlayer of one deck first metal electrode one deck second metal electrode, for ensureing close-packed arrays between two kinds of metal electrodes, mould can be adopted to be compressed by the sensor after arrangement, and adopt epoxy encapsulation.After epoxy resin is done solid work, the same metal electrode wire bonds at the electrochemical sensor back side is coupled together, and draws link.Sensor another side is research face, and adopt silicon carbide paper to polish successively in research face, and use metallurgical polishing cloth polishing, washed with de-ionized water, alcohol is cleaned, and cold wind dries up.
After prepared by described electrochemical sensor, need to carry out sensor function confirmation: when sensor surface is dry (room temperature condition, humidity be 50%RH or lower time), two interelectrode offresistances should more than 100M Ω; Sensor is soaked in 1h in the solution of NaCl containing 10mg/L and 1% ethanol, sensor can produce obvious potential difference (PD) and bimetallic corrosion behavior.Sensor rinses with distilled water after confirming by function, and dry.
After described electrochemical sensor function has confirmed, need to carry out following pre-service:
(1) activated sensors.Drip several NaCl solution (10mg/L NaCl, containing 1% alcohol dampening agent or 0.1% isooctyl phenol polyoxyethylene ether wetting agent) at freshly prepd sensor surface and make it spread apart at sensor surface;
(2) sensor of activation is exposed to >=95%RH environment in (moisture exsiccator) week.The final corrosion products film formed makes the activity of sensor keep constant, is then stored in exsiccator by sensor, until use.
When laboratory operation, containing likely affecting the pollutant of sensor sheet surface state (as HCl, SO in many Laboratory air
2gas, finger contact, not easily moistening organic substance etc.), if observe pollutant effects, should again polish and processes sensor again.
Embodiment
Be described in detail below by concrete case study on implementation.This electrochemical sensor is used in outdoor natural atmosphere environment, has sensitive atmospheric corrosiveness monitoring capability.
As shown in Figure 2, be the electrochemical sensor structural representation that a kind of embodiment of the present invention adopts copper enameled wire-zinc silk metal electrode to prepare.
Select copper enameled wire and zinc silk to be the right working electrode of galvanic couple, wherein copper enameled wire diameter is 2.5mm, and magnet wire insulation layer thickness is 150 microns; Wherein zinc filament diameter is 3mm.By copper enameled wire with zinc silk is stretching and to be cut into 2cm long some sections, (sectional area is about 2.0cm to get 39 sections of copper enameled wires
2) and 42 sections of zinc silks (sectional area is about 3.0cm
2), according to the mode of one deck copper enameled wire one deck zinc silk in the steel grinding tool of suitable width, be staggered each three layers, adopt bench vice the metal electrode array after arrangement to be compressed to make to keep close-packed arrays between tinsel, keep impaction state, use epoxy resin by electrode package, keep impaction state at least 24 hours, from bench vice, electrode is taken off together with mould.
Soldering and a copper conductor is adopted to weld in copper enameled wires all for encapsulation sample one end, and reserve 30cm long lead and be used as incoming end, use the same method at the same face and process zinc silk, remain in operation and be not directly electrically connected between two kinds of different metals, then use acetone oil removing, cold wind dries up.
The weld of encapsulation sample and other non-package edge are adopted epoxy encapsulation, after epoxy resin is done solid work, non-face of weld adopted coarse particle silicon carbide paper first to roughly grind to all metal electrodes and all expose xsect, and till clear-cut margin, then with polishing with silicon carbide paper successively, and metallurgical polishing cloth polishing is used, washed with de-ionized water, alcohol is cleaned, and cold wind dries up.
Sensor function confirms.In room temperature, humidity is under 50%RH condition, adopts the digit-type volt-ohm-milliammeter offresistance measured between two input ends to be greater than 100M Ω, without being directly electrically connected between two kinds of metals of expression sensor; Sensor is soaked in 1h in the solution of NaCl containing 10mg/L and 1% ethanol, sensor electrical potential difference be greater than 200mV and and current measurement value is greater than 30 μ A, show that sensor has the function of response external environmental change.Sensor rinses with distilled water after confirming by function, and dry.
Sensor pre-service.Drip several NaCl solution (10mg/L NaCl, containing 1% alcohol dampening agent) at freshly prepd sensor surface and make it spread apart at sensor surface; The sensor of activation is exposed to >=95%RH environment in (moisture exsiccator) week.Then sensor is stored in exsiccator.
Carry out atmospheric corrosiveness monitoring time, sensor is installed in outdoor atmospheric environment, its research towards on towards Due South to placement, be 45° angle with horizontal direction, overhead distance 1.2m.Around sensor placing position, 10m is interior without obvious shelter, and the rainwater and can directly land in installation site, causes surface area water without other structures.
Sensor two input ends are connected shielded cable and cause current measuring instrument, wherein connect copper electrode one end access positive pole, connect zinc electrode one end access negative pole (in copper-zinc electrode system, copper is negative electrode, zinc is anode, the wherein positive pole of negative electrode access current measure device, the negative pole of anode access measuring equipment).The power supply of turn-on current measuring equipment, and start current monitoring according to its instructions.24 hours current versus time curve that the present embodiment adopts the electrochemical sensor that copper-prepared by zinc metal electrode and obtains as shown in Figure 3.
The present invention can the corrosivity of effective Real-Time Monitoring atmospheric environment, and this sensor has high sensitivity and long life, and its starting material are easy to obtain, cost is low, preparation is simple.
The present invention has the following advantages:
(1) sensor of the present invention prepare material be easy to obtain, cost is low, has a extensive future;
(2) sensor of the present invention, the THICKNESS CONTROL of its inter-electrode dielectric layer depends on the preparation technology of copper enameled wire, compared with the thin film sandwich adopted, has higher precision with other electrochemical sensors;
(3) sensor of the present invention can be different according to used Atmospheric Condition, select different thickness of insulating layer, sensor is made to have suitable serviceable life, the range of application of expansion electrochemical sensor, makes it can apply in natural atmosphere environment, operating mode atmospheric environment and accelerated exposure test case.
The foregoing is only the detailed description of specific embodiment of the invention scheme, do not limit the present invention with this, all do in mentality of designing of the present invention any amendment, equivalent to replace and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an atmospheric corrosiveness monitoring electrochemical sensor, is characterized in that: it comprises multiple first metal electrode, the second metal electrode, organic insulator, wire and epoxy resins insulation matrix; It is outer that described organic insulator is arranged on the first metal electrode; First metal electrode and the second metal electrode ranked first metal electrode and according to one and ranked second metal electrode interlayer and to interlock close-packed arrays, and adopt epoxy encapsulation, same metal electrode connects by wire bonds at the back side of electrochemical sensor and draws link.
2. a kind of atmospheric corrosiveness monitoring electrochemical sensor according to claim 1, it is characterized in that: wherein the first metal electrode is copper wire, organic insulator is the outer field organic insulator of copper enameled wire.
3. a kind of atmospheric corrosiveness monitoring electrochemical sensor according to claim 1, is characterized in that: wherein the second metal electrode is any one in zinc silk, iron wire, aluminium wire.
4. a kind of atmospheric corrosiveness monitoring electrochemical sensor according to claim 1, is characterized in that: the wherein equal diameters of two kinds of metal electrodes or close.
5. a kind of atmospheric corrosiveness monitoring electrochemical sensor according to claim 1, is characterized in that: the distance wherein between two kinds of metal electrodes is the thickness of copper enamelled wire surface organic insulator.
6. a kind of atmospheric corrosiveness monitoring electrochemical sensor according to claim 1, is characterized in that: wherein keep open circuit between two kinds of metal electrodes in the dry state.
7. a kind of atmospheric corrosiveness monitoring electrochemical sensor according to claim 1, is characterized in that: two links of described sensor connect shielded cable and cause current measuring instrument.
8. the method for making of a kind of atmospheric corrosiveness monitoring electrochemical sensor as claimed in claim 1, step is as follows: the first metal electrode and the second metal electrode that are enclosed with organic insulator are staggered according to the mode interlayer of one deck first metal electrode one deck second metal electrode, for ensureing close-packed arrays between two kinds of metal electrodes, mould can be adopted to be compressed by the sensor after arrangement, and adopt epoxy encapsulation, after epoxy resin is done solid work, the same metal electrode wire bonds at the electrochemical sensor back side is coupled together, and draw link, sensor another side is research face, silicon carbide paper is adopted to polish successively in research face, and use metallurgical polishing cloth polishing, washed with de-ionized water, alcohol is cleaned, cold wind dries up.
9. the using method of a kind of atmospheric corrosiveness monitoring electrochemical sensor as claimed in claim 1, step is as follows:
A. function confirms: at room temperature condition, when humidity is less than or equal to 50%RH, measure two interelectrode offresistances, this resistance value should be greater than 100M Ω; Described sensor is soaked in 1h in the solution of NaCl containing 10mg/L and 1% ethanol, sensor can produce obvious potential difference (PD) and bimetallic corrosion behavior; Sensor rinses with distilled water after confirming by function, and dry;
B. pre-service: dripping the several solubility containing 1% alcohol dampening agent or 0.1% isooctyl phenol polyoxyethylene ether wetting agent at freshly prepd sensor surface is the NaCl solution of 10mg/L, and makes it spread apart at sensor surface; Then sensor is exposed to >=95%RH environment in a week; Then sensor is stored in exsiccator, until use;
C. using method: sensor is installed in outdoor atmospheric environment, its research towards on towards Due South to placement, be 30 ~ 60 ° of angles with horizontal direction, overhead apart from 0.5 ~ 2m; Around sensor placing position in 10m without obvious shelter, ensure can directly to land rainwater and cause surface area water without other structures in installation site; Sensor two input ends are connected shielded cable and cause current measuring instrument, the power supply of turn-on current measuring equipment, and starts current monitoring according to current measure device instructions.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468651A (en) * | 2016-09-22 | 2017-03-01 | 国网山东省电力公司电力科学研究院 | A kind of atmospheric corrosiveness on-line monitoring system and its method |
| CN107727703A (en) * | 2017-09-12 | 2018-02-23 | 南方电网科学研究院有限责任公司 | A kind of atmospheric corrosion monitoring system and its monitoring method |
| CN108169297A (en) * | 2017-12-12 | 2018-06-15 | 广西电网有限责任公司电力科学研究院 | A kind of atmospheric corrosiveness monitoring sensor and preparation method thereof |
| CN108872049A (en) * | 2018-06-21 | 2018-11-23 | 浙江钱浪智能信息科技有限公司 | A kind of flexible sensor and monitoring method suitable for big data monitoring corrosiveness of the environment |
| CN109283129A (en) * | 2017-07-21 | 2019-01-29 | 宝山钢铁股份有限公司 | Electrode and its monitoring method for carbon steel cold-rolled steel sheet atmospheric environment corrosion monitoring |
| CN109520920A (en) * | 2018-12-07 | 2019-03-26 | 国网山东省电力公司电力科学研究院 | Intelligent atmospheric corrosion detector |
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| CN109612919A (en) * | 2018-12-07 | 2019-04-12 | 国网山东省电力公司电力科学研究院 | A method of for detecting galvanic couple type atmospheric corrosion sensor |
| CN109856486A (en) * | 2019-03-04 | 2019-06-07 | 南方电网科学研究院有限责任公司 | A kind of high voltage electric equipment accelerated corrosion tests device |
| CN109900630A (en) * | 2019-01-31 | 2019-06-18 | 中国科学院金属研究所 | It is a kind of to evaluate complicated metal pair to the test device and method of galvanic corrosion |
| CN114144666A (en) * | 2019-05-16 | 2022-03-04 | 拉筹伯大学 | Systems and methods for analyte determination |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106468651A (en) * | 2016-09-22 | 2017-03-01 | 国网山东省电力公司电力科学研究院 | A kind of atmospheric corrosiveness on-line monitoring system and its method |
| CN109283129A (en) * | 2017-07-21 | 2019-01-29 | 宝山钢铁股份有限公司 | Electrode and its monitoring method for carbon steel cold-rolled steel sheet atmospheric environment corrosion monitoring |
| CN107727703A (en) * | 2017-09-12 | 2018-02-23 | 南方电网科学研究院有限责任公司 | A kind of atmospheric corrosion monitoring system and its monitoring method |
| CN107727703B (en) * | 2017-09-12 | 2019-08-02 | 南方电网科学研究院有限责任公司 | A kind of atmospheric corrosion monitoring system and its monitoring method |
| CN108169297A (en) * | 2017-12-12 | 2018-06-15 | 广西电网有限责任公司电力科学研究院 | A kind of atmospheric corrosiveness monitoring sensor and preparation method thereof |
| CN108872049A (en) * | 2018-06-21 | 2018-11-23 | 浙江钱浪智能信息科技有限公司 | A kind of flexible sensor and monitoring method suitable for big data monitoring corrosiveness of the environment |
| CN109612918A (en) * | 2018-12-07 | 2019-04-12 | 国网山东省电力公司电力科学研究院 | Atmospheric corrosion sensor and preparation method thereof |
| CN109612919A (en) * | 2018-12-07 | 2019-04-12 | 国网山东省电力公司电力科学研究院 | A method of for detecting galvanic couple type atmospheric corrosion sensor |
| CN109520920A (en) * | 2018-12-07 | 2019-03-26 | 国网山东省电力公司电力科学研究院 | Intelligent atmospheric corrosion detector |
| CN109612919B (en) * | 2018-12-07 | 2021-06-18 | 国网山东省电力公司电力科学研究院 | Method for detecting galvanic couple type atmospheric corrosion sensor |
| CN109612918B (en) * | 2018-12-07 | 2021-06-22 | 国网山东省电力公司电力科学研究院 | Atmospheric corrosion sensor and manufacturing method thereof |
| CN109900630A (en) * | 2019-01-31 | 2019-06-18 | 中国科学院金属研究所 | It is a kind of to evaluate complicated metal pair to the test device and method of galvanic corrosion |
| CN109856486A (en) * | 2019-03-04 | 2019-06-07 | 南方电网科学研究院有限责任公司 | A kind of high voltage electric equipment accelerated corrosion tests device |
| CN109856486B (en) * | 2019-03-04 | 2021-07-16 | 南方电网科学研究院有限责任公司 | Accelerated corrosion experimental device for high-voltage electrical equipment |
| CN114144666A (en) * | 2019-05-16 | 2022-03-04 | 拉筹伯大学 | Systems and methods for analyte determination |
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