CN110044806A - Image, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device - Google Patents
Image, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device Download PDFInfo
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- CN110044806A CN110044806A CN201910415233.0A CN201910415233A CN110044806A CN 110044806 A CN110044806 A CN 110044806A CN 201910415233 A CN201910415233 A CN 201910415233A CN 110044806 A CN110044806 A CN 110044806A
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- 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
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
A kind of image, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device.It includes stress corrosion loading system, digital picture associated test system, Acoustic Emission Testing System, electrochemical test system and computer；Stress corrosion loading system includes slow strained tensile testing machine, stretching clamp and etchant solution pond；Digital picture associated test system includes industrial CCD camera, tripod and image pick-up card；Acoustic Emission Testing System includes acoustic emission probe, amplifier harmony transmission cards；Electrochemical test system includes tensile test specimen, reference electrode, auxiliary electrode and electrochemical workstation.Effect of the present invention: having the characteristics that structure is simple, flexible operation, sample dimensions are adjustable, loading environment is variable, corrosive medium is replaceable, can be widely applied to the influence of research different loads condition, different corrosive mediums to metal material stress corrosion cracking behavior.
Description
Technical field
The invention belongs to Experimental Mechanics, stress corrosion technical field more particularly to a kind of image, sound emission, electrochemistry one
Body stress corrosion cracking in-situ testing device.
Background technique
The stress corrosion cracking of material is the important of the engineering structures such as petroleum transportation pipeline, nuclear power plant equipment, aircaft configuration
One of failure mode carrys out very big hidden danger to structure safety belt, is that the fields such as petroleum works, nuclear power, aeronautical engineering are concerned
Multi-crossed disciplines matter of science and technology.A set of in-situ test system is developed for the stress corrosion cracking problem of engineering material, it is real
The Simultaneous Monitoring of the multi-source informations such as existing mechanics, optics (image), acoustics, electrochemistry, analysis of material Fatigue crack initiation rule,
It is of great significance for the failure of prevention engineering structure, improvement corrosion management method, raising structure service life.
For material stress corrosion cracking behaviors, existing in-situ testing device is in the majority with electro-chemical test, such as discloses
Number " stress corrosion under the conditions of slow strain rate and hydrogen electrochemical in-situ measurement dress is surveyed for the Chinese patent of CN 105300874
Set ", which monitors the glucose current equation variation of metal specimen in slow rate drawing process by three electrodes, realizes that test specimen stress is rotten
The electrochemical in-situ of erosion is tested.Although electrochemical in-situ test method can be from electrochemistry angle analysis material in stress corrosion
Corrosion and cracking behaviors in journey, but the space-time that single Electrochemistry Information still can not fully and effectively describe material damage is drilled
Change feature, such as the information such as surface of test piece crack initiation position, direction of crack propagation, internal injury evolution Feature can not be provided.
It can be seen that the in-situ testing device of simple function limits the further understanding to material stress corrosion cracking behaviors, urgently
Need to develop the in-situ testing device of multifunctional all.
Digital picture correlation (DIC) is a kind of optical measurement method based on digital image gray level analysis, has the non-contact, whole audience
The advantages that overall process, high measurement accuracy is the effective ways for monitoring material surface Fatigue crack initiation.Acoustic emission (AE)
The occurrence and development for detecting material corrosion and crackle due to the elastic wave of energy release generation by monitoring material internal, can have
Effect ground characterization material internal damage development information.By digital picture, related, sound emission is combined with electrochemical method, is used for material
The in-situ test of stress corrosion cracking can provide the multi-source experiment information that mechanics, optics (image), acoustics, electrochemistry combine,
Material damage evolution is fully and effectively described in time scale and space scale, is facilitated deep understanding material stress corrosion and is split
Line germinating and propagation law.But still lack the experimental provision of above-mentioned function integration at present.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of image, sound emission, electrochemistry integrated stress
Corrosion cracking in-situ testing device.
In order to achieve the above object, image provided by the invention, sound emission, electrochemistry integrated stress corrosion cracking are former
Bit test device includes stress corrosion loading system, digital picture associated test system, Acoustic Emission Testing System, electro-chemical test
System and computer；Wherein, the stress corrosion loading system includes that slow strained tensile testing machine, stretching clamp and corrosion are molten
Liquid pool；The top and the bottom of slow strained tensile testing machine are respectively equipped with a stretching clamp；The setting of etchant solution pond is pressed from both sides in two stretchings
It is the cuboid body structure made of transparent organic glass between tool, inside fills etchant solution, and there are for outer for side wall
The water inlet and water outlet of liquid circulating apparatus are connect, top surface and bottom surface are equipped with rectangular opening, for being inserted into tensile sample, and bottom surface
Rectangular opening and tensile sample between gap using it is general plug be sealed, with prevent experiment when etchant solution leakage；Tensile sample
Middle part be located inside etchant solution pond, upper and lower side is clamped by two stretching clamps respectively；
The digital picture associated test system includes industrial CCD camera, tripod and image pick-up card；Industrial CCD
Camera is fixed by tripod, and the front surface of camera lens face tensile sample, therefore can be through the organic of etchant solution pond
The surface image of glass and etchant solution shooting tensile sample；Image pick-up card is embedded in computer-internal, passes through conducting wire and work
Industry CCD camera is connected；
The Acoustic Emission Testing System includes acoustic emission probe, amplifier harmony transmission cards；Two acoustic emission probes point
The upper and lower side of tensile test specimen is not set, is connected respectively by conducting wire with an amplifier；Sound emission card is embedded in computer
Portion is connected by conducting wire with amplifier；
Electrochemical test system includes the tensile test specimen as working electrode, reference electrode, auxiliary electrode and electrochemistry work
It stands；Middle part, reference electrode and the auxiliary electrode of tensile test specimen are both placed in etchant solution pond, and tensile test specimen, reference
Electrode and auxiliary electrode pass through conducting wire respectively and are connected with electrochemical workstation.
The tensile sample is dumb-bell shape plate structure, and both ends are equipped with the through-hole for connecting stretching clamp.
The reference electrode uses calomel electrode, and end is capillary glass tube, and nozzle is close to tensile test specimen.
The auxiliary electrode is made of carbon-point, with tensile test specimen keeping parallelism state.
Image provided by the invention, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device have following
Effect: material multi-source informations such as mechanics, optics (image), acoustics, electrochemistry during stress corrosion can be achieved and synchronize original
Position monitoring provides macro-mechanical property, compressive strength temporal-spatial evolution characteristics, internal injury accumulation, glucose current equation
The experiment informations such as variation are measured, analysis of material damage evolution law based on multidisciplinary collaboration.The present apparatus is simple with structure, grasps
Make the features such as flexible, sample dimensions are adjustable, loading environment is variable, corrosive medium is replaceable, can be widely applied to study different loads
The influence of lotus condition, different corrosive mediums to metal material stress corrosion cracking behavior.
Detailed description of the invention
Fig. 1 is image provided by the invention, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device structure
Schematic diagram.
Fig. 2 is image provided by the invention, sound emission, draws in electrochemistry integrated stress corrosion cracking in-situ testing device
Stretch test specimen schematic diagram.
Specific embodiment
It is rotten to image provided by the invention, sound emission, electrochemistry integrated stress in the following with reference to the drawings and specific embodiments
Erosion cracking in-situ testing device is described in detail.
As shown in Figure 1 and Figure 2, image provided by the invention, sound emission, electrochemistry integrated stress corrosion cracking are in situ
Test device includes stress corrosion loading system, digital picture associated test system, Acoustic Emission Testing System, electro-chemical test system
System and computer 6；Wherein, the stress corrosion loading system includes slow strained tensile testing machine 1, stretching clamp 2 and corrosion
Solution pool 3；The top and the bottom of slow strained tensile testing machine 1 are respectively equipped with a stretching clamp 2；Etchant solution pond 3 is arranged at two
It is the cuboid body structure made of transparent organic glass between stretching clamp 2, inside fills etchant solution, and side wall stays
There are the water inlet and water outlet for external liquid circulating apparatus, top surface and bottom surface are equipped with rectangular opening, for being inserted into tensile sample
4, and the gap between the rectangular opening of bottom surface and tensile sample 4 is sealed using general plug, and etchant solution is let out when preventing experiment
Dew；The middle part of tensile sample 4 is located inside etchant solution pond 3, and upper and lower side is clamped by two stretching clamps 2 respectively；
The digital picture associated test system includes industrial CCD camera 5, tripod and image pick-up card；Industrial CCD
Camera 5 is fixed by tripod, and the front surface of camera lens face tensile sample 4, therefore being capable of having through etchant solution pond 3
The surface image of machine glass and etchant solution shooting tensile sample 4；Image pick-up card is embedded in inside computer 6, passes through conducting wire
It is connected with industrial CCD camera 5；
The Acoustic Emission Testing System includes acoustic emission probe 7,8 harmony transmission cards of amplifier；Two acoustic emission probes 7
It is separately positioned on the upper and lower side of tensile test specimen 4, is connected respectively by conducting wire with an amplifier 8；Sound emission card is embedded in calculating
Inside machine 6, it is connected by conducting wire with amplifier 8；
Electrochemical test system includes the tensile test specimen 4 as working electrode, reference electrode 9, auxiliary electrode 10 and electrification
Learn work station 11；Middle part, reference electrode 9 and the auxiliary electrode 10 of tensile test specimen 4 are both placed in etchant solution pond 3, and are drawn
Test specimen 4, reference electrode 9 and auxiliary electrode 10 is stretched to be connected by conducting wire with electrochemical workstation 11 respectively.
The tensile sample 4 is dumb-bell shape plate structure, and both ends are equipped with the through-hole for connecting stretching clamp 2.
The reference electrode 9 uses calomel electrode, and end is capillary glass tube, and nozzle is close to tensile test specimen 4.
The auxiliary electrode 10 is made of carbon-point, with 4 keeping parallelism state of tensile test specimen.
Now image provided by the invention, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device are made
It is described below with method:
Experimenter sprays one layer of dumb light based white primer in the front surface of tensile test specimen 4 first, and it is black then to spray one layer of dumb light
Paint, is consequently formed chequered with black and white random speckle image.Then each component in the present apparatus, Zhi Houkai are set by above structure
Beginning is tested.When experiment, slow strain rate is carried out to tensile test specimen 4 by stretching clamp 2 using slow strained tensile testing machine 1
It stretches, test specimen stretches 4 and is in quasi-static with etchant solution pond 3 when load, utilizes slow strained tensile testing machine 1 record load song
Line.In stress corrosion loading procedure, the electricity of tensile test specimen 4 is monitored using the electrochemical workstation 11 in electrochemical test system
Chemical data；Acoustic emission signal is obtained by the transmitting probe 7 in acoustic emission system, is then transferred to after the amplification of amplifier 8
Sound emission card simultaneously stores, and is finally analyzed and processed by computer 6；Utilize the industrial CCD camera 5 in digital picture test macro
The surface image of continuous acquisition tensile test specimen 4 is then transferred to image pick-up card, is finally analyzed and processed, is obtained by computer 6
Obtain the experiments such as macro-mechanical property, compressive strength temporal-spatial evolution characteristics, internal injury accumulation, glucose current equation variation
Information, be achieved in mechanics, optics (image), acoustics, electrochemistry cooperative in situ.
Claims (4)
1. a kind of image, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device, it is characterised in that: described
Stress corrosion cracking in-situ testing device include stress corrosion loading system, digital picture associated test system, sound emission survey
Test system, electrochemical test system and computer (6)；Wherein, the stress corrosion loading system includes slow strained tensile examination
Test machine (1), stretching clamp (2) and etchant solution pond (3)；The top and the bottom of slow strained tensile testing machine (1) are respectively equipped with a drawing
Stretch fixture (2)；Etchant solution pond (3) is arranged between two stretching clamps (2), is the cuboid made of transparent organic glass
Shape body structure, inside fill etchant solution, and there are the water inlet and water outlet for external liquid circulating apparatus, top surfaces for side wall
It is equipped with rectangular opening with bottom surface, for being inserted into tensile sample (4), and the gap between the rectangular opening of bottom surface and tensile sample (4)
It is sealed using general plug, etchant solution is revealed when preventing experiment；The middle part of tensile sample (4) is located in etchant solution pond (3)
Portion, upper and lower side are clamped by two stretching clamps (2) respectively；
The digital picture associated test system includes industrial CCD camera (5), tripod and image pick-up card；Industrial CCD phase
Machine (5) is fixed by tripod, and the front surface of camera lens face tensile sample (4), therefore can penetrate etchant solution pond (3)
Organic glass and etchant solution shooting tensile sample (4) surface image；Image pick-up card is embedded in computer (6) inside,
It is connected by conducting wire with industrial CCD camera (5)；
The Acoustic Emission Testing System includes acoustic emission probe (7), amplifier (8) harmony transmission cards；Two acoustic emission probes
(7) it is separately positioned on the upper and lower side of tensile test specimen (4), is connected respectively by conducting wire with an amplifier (8)；Sound emission card is embedded
It is internal in computer (6), it is connected by conducting wire with amplifier (8)；
Electrochemical test system includes the tensile test specimen (4) as working electrode, reference electrode (9), auxiliary electrode (10) and electricity
Chem workstation (11)；Middle part, reference electrode (9) and the auxiliary electrode (10) of tensile test specimen (4) are both placed in etchant solution pond
(3) in, and tensile test specimen (4), reference electrode (9) and auxiliary electrode (10) pass through conducting wire and electrochemical workstation (11) respectively
It is connected.
2. stress corrosion cracking in-situ testing device according to claim 1, it is characterised in that: the tensile sample
It (4) is dumb-bell shape plate structure, both ends are equipped with the through-hole for connecting stretching clamp (2).
3. stress corrosion cracking in-situ testing device according to claim 1, it is characterised in that: the reference electrode
(9) calomel electrode is used, end is capillary glass tube, and nozzle is close to tensile test specimen (4).
4. stress corrosion cracking in-situ testing device according to claim 1, it is characterised in that: the auxiliary electrode
(10) it is made of carbon-point, with tensile test specimen (4) keeping parallelism state.
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| CN201910415233.0A CN110044806A (en) | 2019-05-13 | 2019-05-13 | Image, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device |
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| CN201910415233.0A CN110044806A (en) | 2019-05-13 | 2019-05-13 | Image, sound emission, electrochemistry integrated stress corrosion cracking in-situ testing device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702788A (en) * | 2019-10-19 | 2020-01-17 | 常州大学 | Acoustic test platform and method capable of representing microscopic metal damage change |
| CN111289395A (en) * | 2020-02-24 | 2020-06-16 | 天津商业大学 | Metal stress corrosion image testing method |
| CN111398023A (en) * | 2020-03-25 | 2020-07-10 | 中国船舶重工集团公司第七二五研究所 | Device and method for simultaneously realizing compact tensile loading sample corrosive solution environment and cathodic protection test environment and application |
| CN112748007A (en) * | 2020-12-29 | 2021-05-04 | 长沙理工大学 | Corrosion-resistant fatigue performance testing device based on acoustic emission |
| CN112834330A (en) * | 2019-11-22 | 2021-05-25 | 上海梅山钢铁股份有限公司 | Method for measuring deformation resistance of enamel layer on surface of enameled steel plate |
| CN112964788A (en) * | 2021-01-30 | 2021-06-15 | 江苏省特种设备安全监督检验研究院 | Acoustic emission and visualization combined pipeline dynamic pitting process monitoring experiment device |
| CN112964791A (en) * | 2021-02-09 | 2021-06-15 | 常州大学 | Pipeline pitting acoustic simulation testing device and method based on visualization constant load effect |
| CN112964793A (en) * | 2021-02-09 | 2021-06-15 | 常州大学 | Intelligent pipeline pitting damage identification method based on image identification and acoustic identification |
| CN112964790A (en) * | 2021-02-09 | 2021-06-15 | 常州大学 | Pipeline pitting acoustic simulation testing device and method based on visualization fatigue load effect |
| CN113008678A (en) * | 2021-03-02 | 2021-06-22 | 浙江工业大学之江学院 | Corrosive environment tensile tester with control function |
| CN113504111A (en) * | 2021-05-27 | 2021-10-15 | 天津大学 | Chemical stress corrosion stretching system for preventing sample from bubbling and strain measurement method |
| CN113945583A (en) * | 2021-12-20 | 2022-01-18 | 武汉武桥检测工程有限公司 | Underwater detection device for offshore wind farm |
| CN114441432A (en) * | 2021-12-27 | 2022-05-06 | 北京科技大学 | Stress corrosion crack tip monitoring device |
| CN116952826A (en) * | 2023-09-19 | 2023-10-27 | 江苏乔科科技有限公司 | PCB corrosion resistance detection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288536A (en) * | 2011-07-01 | 2011-12-21 | 中国科学院金属研究所 | Electrochemical corrosion testing device for realizing multiple types of in-situ monitoring |
| CN103226091A (en) * | 2013-04-12 | 2013-07-31 | 中国石油天然气集团公司 | High temperature high pressure acoustic emission electrochemistry simulation experiment apparatus capable of loading stress |
| CN103630488A (en) * | 2012-08-28 | 2014-03-12 | 中国科学院金属研究所 | In situ observation experiment apparatus for electrochemical corrosion measurement |
| CN104007058A (en) * | 2014-06-13 | 2014-08-27 | 东南大学 | Portable type metal wire stretching stress corrosion testing device |
| CN109580473A (en) * | 2019-01-03 | 2019-04-05 | 中国民航大学 | The electrochemical in-situ test device of DIC is combined under the conditions of slow strain rate tension |
-
2019
- 2019-05-13 CN CN201910415233.0A patent/CN110044806A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288536A (en) * | 2011-07-01 | 2011-12-21 | 中国科学院金属研究所 | Electrochemical corrosion testing device for realizing multiple types of in-situ monitoring |
| CN103630488A (en) * | 2012-08-28 | 2014-03-12 | 中国科学院金属研究所 | In situ observation experiment apparatus for electrochemical corrosion measurement |
| CN103226091A (en) * | 2013-04-12 | 2013-07-31 | 中国石油天然气集团公司 | High temperature high pressure acoustic emission electrochemistry simulation experiment apparatus capable of loading stress |
| CN104007058A (en) * | 2014-06-13 | 2014-08-27 | 东南大学 | Portable type metal wire stretching stress corrosion testing device |
| CN109580473A (en) * | 2019-01-03 | 2019-04-05 | 中国民航大学 | The electrochemical in-situ test device of DIC is combined under the conditions of slow strain rate tension |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702788A (en) * | 2019-10-19 | 2020-01-17 | 常州大学 | Acoustic test platform and method capable of representing microscopic metal damage change |
| CN112834330A (en) * | 2019-11-22 | 2021-05-25 | 上海梅山钢铁股份有限公司 | Method for measuring deformation resistance of enamel layer on surface of enameled steel plate |
| CN112834330B (en) * | 2019-11-22 | 2022-10-14 | 上海梅山钢铁股份有限公司 | Method for measuring deformation resistance of enamel layer on surface of enameled steel plate |
| CN111289395A (en) * | 2020-02-24 | 2020-06-16 | 天津商业大学 | Metal stress corrosion image testing method |
| CN111398023A (en) * | 2020-03-25 | 2020-07-10 | 中国船舶重工集团公司第七二五研究所 | Device and method for simultaneously realizing compact tensile loading sample corrosive solution environment and cathodic protection test environment and application |
| CN111398023B (en) * | 2020-03-25 | 2023-06-23 | 中国船舶重工集团公司第七二五研究所 | Device, method and application for simultaneously realizing compact tensile loading sample corrosion solution environment and cathode protection test environment |
| CN112748007B (en) * | 2020-12-29 | 2022-06-07 | 长沙理工大学 | Corrosion-resistant fatigue performance testing device based on acoustic emission |
| CN112748007A (en) * | 2020-12-29 | 2021-05-04 | 长沙理工大学 | Corrosion-resistant fatigue performance testing device based on acoustic emission |
| US11714035B2 (en) | 2020-12-29 | 2023-08-01 | Changsha University Of Science And Technology | Device for testing corrosion fatigue resistance on the basis of acoustic emission |
| WO2022141873A1 (en) * | 2020-12-29 | 2022-07-07 | 长沙理工大学 | Acoustic emission-based apparatus for testing corrosion resistance fatigue performance |
| CN112964788A (en) * | 2021-01-30 | 2021-06-15 | 江苏省特种设备安全监督检验研究院 | Acoustic emission and visualization combined pipeline dynamic pitting process monitoring experiment device |
| CN112964790A (en) * | 2021-02-09 | 2021-06-15 | 常州大学 | Pipeline pitting acoustic simulation testing device and method based on visualization fatigue load effect |
| CN112964793A (en) * | 2021-02-09 | 2021-06-15 | 常州大学 | Intelligent pipeline pitting damage identification method based on image identification and acoustic identification |
| CN112964791A (en) * | 2021-02-09 | 2021-06-15 | 常州大学 | Pipeline pitting acoustic simulation testing device and method based on visualization constant load effect |
| CN112964793B (en) * | 2021-02-09 | 2024-01-09 | 常州大学 | Intelligent pipeline pitting damage identification method based on image identification and acoustic identification |
| CN113008678A (en) * | 2021-03-02 | 2021-06-22 | 浙江工业大学之江学院 | Corrosive environment tensile tester with control function |
| CN113504111A (en) * | 2021-05-27 | 2021-10-15 | 天津大学 | Chemical stress corrosion stretching system for preventing sample from bubbling and strain measurement method |
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