CN110208341A - Electrolytic cell device for deep-sea simulated environment - Google Patents
Electrolytic cell device for deep-sea simulated environment Download PDFInfo
- Publication number
- CN110208341A CN110208341A CN201910526818.XA CN201910526818A CN110208341A CN 110208341 A CN110208341 A CN 110208341A CN 201910526818 A CN201910526818 A CN 201910526818A CN 110208341 A CN110208341 A CN 110208341A
- Authority
- CN
- China
- Prior art keywords
- electrode
- electrolytic cell
- deep
- cell device
- sea
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (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)
Abstract
The present invention provides a kind of electrolytic cell devices for deep-sea simulated environment comprising electrolysis tank main body and electrode assembly；Electrolysis tank main body includes the upper cover body and lower case that sealing cover closed and formed accommodating space, and accommodating space is for accommodating electrolyte solution, and electrolyte solution is full of accommodating space；Electrode assembly includes the reference electrode, auxiliary electrode and working electrode that sealing wears at least one of upper cover body and lower case respectively, the first end of reference electrode, auxiliary electrode and working electrode is located in accommodating space, and the second end of reference electrode, auxiliary electrode and working electrode is located at outside accommodating space and for connecting with external electrochemical test system；At least part of the upper cover body and at least one of lower case that are electrolysed tank main body is fabricated from a flexible material.Electrolytic cell device for deep-sea simulated environment of the invention can be used in quickly ensuring the pressure balance inside and outside electrolytic cell device in simulated deep-sea environment and always, and electrolytic cell device is enable to resist high pressure.
Description
Technical field
The present invention relates to the technical field of experiment equipment of simulated deep-sea environment, more particularly to one kind to be used for deep-sea simulated environment
Electrolytic cell device.
Background technique
With the sharply consumption of land resource, the new energy of people's urgent need searching comes should be sustainable to energy crisis and progress
Development.Due to enriching for marine resources, especially containing in deep-sea has a large amount of petroleum, natural gas and mineral resources, and exploitation is deep
Sea has become the research emphasis of 21 century world ocean science and technology and engineering development.Along with the exploitation of deep-sea resources, at deep-sea
The severe etching problem that material or equipment used in environment are faced must be resolved.Therefore, research material or equipment exist
Etching problem in deep-sea has highly important research significance.
Deep-sea corrosion research at present mainly has two kinds of test methods of deep-marine-environment lacing film and indoor simulation.Wherein, deep-sea is hung
The observation of piece test method is difficult, can not carry out on-line testing, and the data type of acquisition is single, and acquisition time is longer, and cost is larger,
Inefficiency, therefore simulation laboratory test is at current research deep-sea material or the major way of equipment corrosion behavior.
The major way of simulated deep-sea environment research material or equipment corrosion behavior is electro-chemical test, electricity indoors at present
Test chemical method is simple and convenient, and the test period is short, high-efficient, can be carried out on-line testing, therefore also has developed many interiors
Simulate deep-sea method and corresponding electrolytic cell device.In known technology, such as one kind directly utilizes electrolytic cell room bottom piston
Formula partition generates the electrolytic cell device of the high pressure of simulated deep-sea environment in electrolytic cell room, which being capable of simulated deep-sea environment item
Part carries out electro-chemical test, and testing efficiency is high, and data are accurate, but its pressing speed is relatively slow and highest pressure resistance is only 10MPa.Example again
Such as a kind of electrolytic cell device that electrolytic cell room is made using pressure tight metal material, by pressurization hole being arranged in battery chamber to connect
Pressurized equipment can fast implement the condition of simulated deep-sea environment, and test operation is simple, time-consuming short and economical and efficient, but its work
The installation matching component quantity of electrode is more and installation method is complicated.It is quickly boosted there are also a kind of using external high-pressure system
Electrolytic cell device, leakproofness is fine, and electro-chemical test, but electrolytic cell device top can be carried out under the conditions of simulated deep-sea environment
It is metal material that lid, which designs relatively complicated and its making material, is used for a long time perishable.
The common feature of these above-mentioned electrolytic cell devices is pressurizeed by inside of the various means to electrolytic cell.Although
Electrolytic cell device can simulated deep-sea environment condition, but this will make the inside and outside differential pressure of electrolytic cell device huge, it is understood that there may be electricity
The risk that solution pool device is destroyed because not withstand pressure, to make the electrolytic cell device applied to simulated deep-sea environment fail, therefore
To electrolytic cell prepare material and sealing requirements are high, make electrolytic cell device structure is complicated and is inconvenient.
Summary of the invention
In view of the existing technical defect, the purpose of the present invention is to provide a kind of electrolysis for deep-sea simulated environment
Pool device, it can be used to quickly ensure that the pressure inside and outside electrolytic cell device is flat in the deep-sea simulated environment of high pressure and always
Weighing apparatus.
To achieve the goals above, the present invention provides a kind of electrolytic cell devices for deep-sea simulated environment comprising
It is electrolysed tank main body and electrode assembly；Electrolysis tank main body includes the upper cover body and lower case that sealing cover closes, upper cover body and the lower casing bodily form
At accommodating space, accommodating space is formed for accommodating electrolyte solution, and electrolyte solution is full of accommodating space；Electrode assembly packet
Reference electrode, auxiliary electrode and working electrode are included, reference electrode, auxiliary electrode and working electrode seal wear upper cover respectively
The first end of at least one of body and lower case, reference electrode, auxiliary electrode and working electrode is located in accommodating space, ginseng
Second end than electrode, auxiliary electrode and working electrode is located at outside accommodating space and for the electrochemical test system with outside
Connection；At least part of the upper cover body and at least one of lower case that are electrolysed tank main body is fabricated from a flexible material.
In one embodiment, flexible material is insulating polymer material.
In one embodiment, flexible material is plastics or rubber.
In one embodiment, reference electrode is Ag/AgCl reference electrode.
In one embodiment, auxiliary electrode is platinum electrode.
In one embodiment, it is sealed at the lid conjunction between upper cover body and lower case by sealing ring.
In one embodiment, at least one in reference electrode, auxiliary electrode and working electrode and upper cover body and lower case
It is sealed between a by epoxy resin cure or is sealed by sealing ring.
Beneficial effects of the present invention are as follows:
In the electrolytic cell device for deep-sea simulated environment of the invention, it is electrolysed in the upper cover body and lower case of tank main body
At least part of at least one be fabricated from a flexible material, when the electrolytic cell device for deep-sea simulated environment of the invention is set
In the deep-sea simulated environment of high pressure, since flexible material has the characteristic of highly flexible, elastically deformable, so that hyperbaric environment
Pressure energy conduct to electrolytic cell device electrolysis tank main body inside, and due to be electrolysed tank main body the intracorporal electrolysis of lower casing
Matter solution is incompressible liquid, so the reaction force for acting on electrolytic cell body exterior of sizes such as can generate, so that the beginning
Quickly ensure electrolytic cell device internal and external pressure balance eventually, so that electrolytic cell device is enable to resist high pressure and be not easy to be destroyed, and
Electrolytic cell device structure is simple and easily operated.
Detailed description of the invention
Fig. 1 is the schematic diagram of the electrolytic cell device for deep-sea simulated environment of the invention.
Fig. 2 is to carry out electrochemistry friendship in the electrolytic cell device for deep-sea simulated environment of the invention using No. 45 steel
The Bode spectrogram that flow impedance is tested.
Fig. 3 is to carry out electrokinetic potential pole in the electrolytic cell device for deep-sea simulated environment of the invention using No. 45 steel
Change the polarization curve of curve test.
Wherein, the reference numerals are as follows:
1 electrolysis 2 electrode assembly of tank main body
11 upper cover body, 21 reference electrode
12 lower case, 22 auxiliary electrode
23 working electrode of S sealing ring
Specific embodiment
Attached drawing shows the embodiment of the present invention, and will be appreciated that the disclosed embodiments are only example of the invention,
The present invention can be implemented in a variety of manners, and therefore, detail disclosed herein is not necessarily to be construed as limiting, but only as power
Basis that benefit requires and as the basis of representative for instructing those of ordinary skill in the art to implement the present invention in various ways.
It is described in detail the electrolytic cell device according to the present invention for deep-sea simulated environment with reference to the accompanying drawings.
Referring to Fig.1, the electrolytic cell device for deep-sea simulated environment of the invention includes electrolysis tank main body 1 and electrode assembly
2.Being electrolysed tank main body 1 includes the upper cover body 11 and lower case 12 that sealing cover closes, and upper cover body 11 and lower case 12 form accommodating space
C, accommodating space C are for accommodating electrolyte solution, and electrolyte solution is full of accommodating space C.Electrode assembly 2 includes reference electrode
21, auxiliary electrode 22 and working electrode 23, reference electrode 21, auxiliary electrode 22 and working electrode 23 seal wear respectively
The first end of at least one of lid 11 and lower case 12, reference electrode 21, auxiliary electrode 22 and working electrode 23 is located at
In accommodating space C, the second end of reference electrode 21, auxiliary electrode 22 and working electrode 23 is located at outside accommodating space C and is used for
It is connect with external electrochemical test system (not shown).At least one be electrolysed in the upper cover body 11 and lower case 12 of tank main body 1
A at least part is fabricated from a flexible material, that is to say, that can be the upper cover body 11 of electrolysis tank main body 1 by flexible material system
It is fabricated from a flexible material at, lower case 12 or upper cover body 11 and lower case 12 is fabricated from a flexible material, can also be upper cover body 11
A part, a part of lower case 12 or upper cover body 11 and a part of lower case 12 be fabricated from a flexible material.Wherein, reference
The first end of electrode 21, auxiliary electrode 22 and working electrode 23 is the working end for carrying out electro-chemical test, reference electrode
21, the second end of auxiliary electrode 22 and working electrode 23 is the connecting pin connecting with external electrochemical test system.Make electricity
Electrolyte solution is full of accommodating space C to prevent air from entering accommodating space C, to prevent from carrying out electrification with electrolytic cell device
When learning testing experiment, the accuracy of test result is influenced.
In the electrolytic cell device for deep-sea simulated environment of the invention, it is electrolysed the upper cover body 11 and lower casing of tank main body 1
At least part of at least one of body 12 is fabricated from a flexible material, when the electrolytic cell for deep-sea simulated environment of the invention
Device is placed in the deep-sea simulated environment of high pressure, since flexible material has the characteristic of highly flexible, elastically deformable, so that high
The pressure energy in pressure ring border is conducted to the inside of the electrolysis tank main body 1 of electrolytic cell device, and the lower case due to being electrolysed tank main body 1
Electrolyte solution in 12 is incompressible liquid, so the sizes such as can generate acts on the anti-work being electrolysed outside tank main body 1
Firmly, so that quickly ensuring electrolytic cell device internal and external pressure balance always, so that electrolytic cell device be enable to resist high pressure and be not easy
It is destroyed, and electrolytic cell device structure is simple and easily operated.Flexible material is insulating polymer material, and flexible material is for example
For the macromolecules electrically non-conductive material such as plastics or rubber.Guarantee that all charges are in electrolysis tank main body 1 in Electrochemical Test Procedure
Portion's circulation can ensure that the accuracy of the Electrochemical results of work sample so that electrolysis 1 External Insulation of tank main body is good.
Referring to Fig.1, in order to guarantee that the leakproofness for being electrolysed tank main body 1 is good, the upper cover body 11 and lower case of tank main body 1 are electrolysed
It is sealed at lid conjunction between 12 by sealing ring S.
In order to which electrode assembly 2 is easy for installation, electrode mounting hole (not shown) can be preset in upper cover body 11, so that ginseng
Corresponding electrode mounting hole is worn than electrode 21, auxiliary electrode 22 and working electrode 23 to be seal-installed on upper cover body 11.For
Guarantee that the leakproofness of electrolysis tank main body 1 is good, and ensures with the electrolytic cell device for deep-sea simulated environment of the invention
Carry out electrochemical corrosion performance testing test result it is accurate, reference electrode 21, auxiliary electrode 22 and working electrode 23 with it is upper
It is sealed between at least one of lid 11 and lower case 12 by epoxy resin cure, naturally it is also possible to close by sealing ring
Envelope.
In electrode assembly 2, reference electrode 21 can be Ag/AgCl reference electrode (as silver-colored silver chloride reference electrode), but
It is without being limited thereto, it according to actual needs can also be other solid state reference electrodes.Auxiliary electrode 22 can be the electricity made of inert material
Pole, such as platinum electrode or carbon electrode.The material of working electrode 23 can be No. 45 steel, can also be needed according to actual tests for any gold
Belong to material.Reference electrode 21 and auxiliary electrode 22 are the electrode with high pressure resistance, guarantee reference during electrochemical measurement
The stability of electrode 21 and auxiliary electrode 22 can ensure that the test result of work sample is accurate.
Specifically, external electrochemical test system can be electrochemical workstation.
Specifically, electrolyte solution is natural sea-water or simulated seawater.Electrolyte solution may be, for example, sodium chloride solution.Mould
Quasi- seawater be deployed in proportion using specific electrolyte solution with the approximate electrolyte solution of natural sea-water ingredient.
Referring to Fig. 2 and Fig. 3, No. 45 steel are carried out using the electrolytic cell device for deep-sea simulated environment of the invention and are distinguished
Electrochemical AC impedance test and linear polarization after impregnating 3.5h, 10.5h and 32.5h under the conditions of the deep-marine-environment of simulation
Test.In test, reference electrode 21 is Ag/AgCl reference electrode, and auxiliary electrode 22 is platinum electrode, and working electrode 23 is No. 45
Steel, to as work sample.Electrochemical test system is electrochemical workstation.
The sealing of reference electrode 21, auxiliary electrode 22 and working electrode 23 was worn first before on-test and is installed on electrolysis
The upper cover body 11 of tank main body 1 regulates the salinity, pH value and dissolved oxygen content of electrolyte solution, then injects electrolyte solution
It is electrolysed in the lower case 12 of tank main body 1, upper cover body 11 is tightened in lower case 12 to seal, electrolytic cell device is placed in external
High pressure is in the deep-sea simulated environment of 15MPa.By electrochemical workstation (not shown) and reference electrode 21, auxiliary electrode 22 and
Working electrode 23 is connected by lead (not shown), after a period of stabilisation, starts the test for carrying out electrochemical AC impedance, resistance
Anti- test terminates followed by carry out potentiodynamic polarization measurement.After electro-chemical test, external high pressure is removed, electrolytic cell device is made
Locating ambient exterior atmospheric pressure is restored to normal pressure.No. 45 steel carry out electrochemical AC impedance under the conditions of the deep-marine-environment of simulation
Obtained Bode spectrogram is tested as shown in Fig. 2, No. 45 steel carry out dynamic potential polarization curve under the conditions of the deep-marine-environment of simulation
It is as shown in Figure 3 to test obtained polarization curve.Table 1 is that electrochemical AC impedance of No. 45 steel in the case where stablizing different time is surveyed
The result of the polarization resistance value of examination and dynamic potential polarization curve test.
Table 1
Referring to Fig. 2 and Fig. 3, No. 45 steel stablize the different time in the environment at simulation deep-sea, and electro-chemical test can
It is steady to carry out, illustrate that the leakproofness of electrolytic cell device is good, can be used for the test of simulated deep-sea environment.
The pole obtained according to 1 result of table by electrochemical AC impedance test and dynamic potential polarization curve measuring and calculation
Change that different resistive values are little, thus explanation it is measured data it is reasonable, while illustrating of the invention for deep-sea simulated environment
Electrolytic cell device can be used in electrochemical measurement, the research for simulated deep-sea environment corrosion behavior and mechanism.
Detailed description describes multiple exemplary embodiments above, but is not intended to be limited to clearly disclosed combination herein.
Therefore, unless otherwise indicated, various features disclosed herein can be combined and be formed and not shown for clarity and
Multiple other combinations out.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (7)
1. a kind of electrolytic cell device for deep-sea simulated environment, which is characterized in that including electrolysis tank main body (1) and electrode assembly
(2)；
Electrolysis tank main body (1) includes the upper cover body (11) and lower case (12) that sealing cover closes, upper cover body (11) and lower case (12)
It is formed accommodating space (C), accommodating space (C) is for accommodating electrolyte solution, and electrolyte solution is full of accommodating space (C)；
Electrode assembly (2) includes reference electrode (21), auxiliary electrode (22) and working electrode (23), reference electrode (21), auxiliary
It helps electrode (22) and working electrode (23) to seal respectively and wears at least one of upper cover body (11) and lower case (12), reference
The first end of electrode (21), auxiliary electrode (22) and working electrode (23) is located in accommodating space (C), reference electrode (21),
The second end of auxiliary electrode (22) and working electrode (23) is located at accommodating space (C) outside and for the electro-chemical test with outside
System connection；
The upper cover body (11) of tank main body (1) and at least part of at least one of lower case (12) are electrolysed by flexible material system
At.
2. the electrolytic cell device according to claim 1 for deep-sea simulated environment, which is characterized in that flexible material is exhausted
Edge high molecular material.
3. the electrolytic cell device according to claim 2 for deep-sea simulated environment, which is characterized in that flexible material is modeling
Material or rubber.
4. the electrolytic cell device according to claim 1 for deep-sea simulated environment, which is characterized in that reference electrode (21)
For Ag/AgCl reference electrode.
5. the electrolytic cell device according to claim 1 for deep-sea simulated environment, which is characterized in that auxiliary electrode (22)
For platinum electrode.
6. the electrolytic cell device according to claim 1 for deep-sea simulated environment, which is characterized in that upper cover body (11) with
It is sealed at lid conjunction between lower case (12) by sealing ring (S).
7. the electrolytic cell device according to claim 1 for deep-sea simulated environment, which is characterized in that reference electrode
(21), pass through between auxiliary electrode (22) and working electrode (23) and at least one of upper cover body (11) and lower case (12)
Epoxy resin cure sealing is sealed by sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526818.XA CN110208341A (en) | 2019-06-18 | 2019-06-18 | Electrolytic cell device for deep-sea simulated environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526818.XA CN110208341A (en) | 2019-06-18 | 2019-06-18 | Electrolytic cell device for deep-sea simulated environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110208341A true CN110208341A (en) | 2019-09-06 |
Family
ID=67793368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910526818.XA Pending CN110208341A (en) | 2019-06-18 | 2019-06-18 | Electrolytic cell device for deep-sea simulated environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110208341A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323387A (en) * | 2013-06-25 | 2013-09-25 | 沈阳建筑大学 | Electro-chemical corrosion simulator with in-situ loading |
| CN103792182A (en) * | 2014-02-26 | 2014-05-14 | 中国石油大学(华东) | Double-electrolytic tank for simulating under-deposit corrosion and application |
| CN105547987A (en) * | 2015-12-17 | 2016-05-04 | 中国船舶重工集团公司第七二五研究所 | Deep sea environment-simulation miniature electrolysis test device |
| CN105588800A (en) * | 2015-12-17 | 2016-05-18 | 中国船舶重工集团公司第七二五研究所 | Electrochemistry electrolytic cell for deep sea simulation environment tests |
| WO2016116772A2 (en) * | 2015-01-21 | 2016-07-28 | Imk Laboratórium Kft. | Cathode arrangement, energy cell comprising the same, method for manufacturing the cathode arrangement, and arrangement for processing hydrogen gas |
| CN106501168A (en) * | 2016-11-17 | 2017-03-15 | 中国船舶重工集团公司第七二五研究所 | A kind of deep-sea simulated environment local corrosion test device and its method of testing |
| CN106644917A (en) * | 2016-08-22 | 2017-05-10 | 中国船舶重工集团公司第七二五研究所 | Electrolytic bath apparatus used for simulating deep-sea environment for electrochemical testing |
| CN207588093U (en) * | 2017-11-29 | 2018-07-06 | 中国船舶工业系统工程研究院 | A kind of electrical general connector of underwater wet-type of pressure self-balancing |
-
2019
- 2019-06-18 CN CN201910526818.XA patent/CN110208341A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323387A (en) * | 2013-06-25 | 2013-09-25 | 沈阳建筑大学 | Electro-chemical corrosion simulator with in-situ loading |
| CN103792182A (en) * | 2014-02-26 | 2014-05-14 | 中国石油大学(华东) | Double-electrolytic tank for simulating under-deposit corrosion and application |
| WO2016116772A2 (en) * | 2015-01-21 | 2016-07-28 | Imk Laboratórium Kft. | Cathode arrangement, energy cell comprising the same, method for manufacturing the cathode arrangement, and arrangement for processing hydrogen gas |
| CN105547987A (en) * | 2015-12-17 | 2016-05-04 | 中国船舶重工集团公司第七二五研究所 | Deep sea environment-simulation miniature electrolysis test device |
| CN105588800A (en) * | 2015-12-17 | 2016-05-18 | 中国船舶重工集团公司第七二五研究所 | Electrochemistry electrolytic cell for deep sea simulation environment tests |
| CN106644917A (en) * | 2016-08-22 | 2017-05-10 | 中国船舶重工集团公司第七二五研究所 | Electrolytic bath apparatus used for simulating deep-sea environment for electrochemical testing |
| CN106501168A (en) * | 2016-11-17 | 2017-03-15 | 中国船舶重工集团公司第七二五研究所 | A kind of deep-sea simulated environment local corrosion test device and its method of testing |
| CN207588093U (en) * | 2017-11-29 | 2018-07-06 | 中国船舶工业系统工程研究院 | A kind of electrical general connector of underwater wet-type of pressure self-balancing |
Non-Patent Citations (2)
| Title |
|---|
| 刘杰 等: "在模拟深海高压环境中人工破损涂层的电化学阻抗谱响应特征", 《腐蚀科学与防护技术》 * |
| 张海兵 等: "深海牺牲阳极模拟环境电化学性能研究", 《材料开发与应用》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106644917B (en) | A kind of electrolytic cell device for simulated deep-sea environment electro-chemical test | |
| CN105547987A (en) | Deep sea environment-simulation miniature electrolysis test device | |
| CN104897744B (en) | A kind of device and method for studying metal hydrogen permeation behavior | |
| CN104568727B (en) | High temperature and high pressure corrosion hydrogen permeation testing device and method | |
| CN103293094B (en) | A kind of electro-chemical measuring apparatus and using method thereof that quantitatively can change thickness of liquid film | |
| CN106198375A (en) | A kind of deep-sea multichannel corrosion electrochemistry in-situ testing device and method of testing thereof | |
| CN106153441A (en) | The material fracture toughness test system and method being flushed with hydrogen under environment based on controllable temperature electrochemistry | |
| CN106918545A (en) | The quick corrosion tests and device for realizing stainless steel spot corrosion occurrence and development | |
| CN103792182B (en) | A kind of double-electrolyzer and application of simulating underdeposit corrosion | |
| CN103175774A (en) | Corrosion test device for simulating environment alternation | |
| CN205826490U (en) | A kind of electrochemical experimental device measuring band rusty scale material corrosion resistance | |
| CN103398942A (en) | Experimental device for hydrogen permeation behaviors of local areas of metal | |
| CN206208642U (en) | A kind of simulated seawater Environmental Concrete resistance to compression loading device | |
| CN103712907A (en) | Deep-sea field erosion electrochemical testing device and testing method thereof | |
| CN103630480A (en) | Corrosion testing device for metal inside gaps under stripped coatings | |
| CN109813594A (en) | A kind of deep-sea hydrogen causes the small jumper bar test device and method of stress cracking behavior | |
| CN109030336A (en) | Study the device of acid gas well Special threading connector torque shoulder face corrosion damage | |
| CN114486712B (en) | Device and method for simulating dynamic corrosion of metal in deep geological treatment environment | |
| CN107782662A (en) | The method of cathode protection testing probe, device and evaluation metal cathodic protection effect in the seawater | |
| CN107796752A (en) | Method for measuring hydrogen induced cracking performance of steel in hydrogen sulfide corrosion environment | |
| CN206671248U (en) | A kind of electrochemical testing device | |
| CN105717040B (en) | A kind of fluid-guiding type dynamic galvanic corrosion test fixture device | |
| CN110208341A (en) | Electrolytic cell device for deep-sea simulated environment | |
| CN202214419U (en) | Multifunctional cathode protection test probe | |
| CN207528605U (en) | Concrete chloride ion permeability resistance measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190906 |