CN206114426U - In situ test system of can high low power observing deformation of sample gauge length section and damage on line - Google Patents
In situ test system of can high low power observing deformation of sample gauge length section and damage on line Download PDFInfo
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- CN206114426U CN206114426U CN201621117413.9U CN201621117413U CN206114426U CN 206114426 U CN206114426 U CN 206114426U CN 201621117413 U CN201621117413 U CN 201621117413U CN 206114426 U CN206114426 U CN 206114426U
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Abstract
The utility model relates to a multidisciplinary cross -over experiment fields such as microstructure sign, mechanics, fatigue, corruption, stress corrosion, corrosion fatigue and failure analysis specifically are in situ test system of can high low power observing deformation of sample gauge length section and damage on line. This system includes: electrochemistry workstation, electrochemistry workstation control panel, micro -force fatigue testing machine, micro -force fatigue testing machine control panel, long -focus non -contact optics straingauging appearance, high low power optical microscope, adj. Tabular sample, high low power optical microscope control panel, circulating pump, external heating or refrigeration cycle looks micro -force 0, micro -force 1 platform. The utility model is used for the plate material sample deform under different mechanics and the mutual condition of A corrosive environment with the damage dynamic development process the observation, can stress corrosion cracking and the corrosion fatigue damage process of high low power normal position in situ observation material under temperature, A corrosive environment and load three interaction condition.
Description
Technical field
This utility model is related to microstructure sign, mechanics, fatigue, burn into stress corrosion, corrosion fatigue and failure analysis
Deng multi-discipline coordinated experiment field, specifically it is a kind of can high low power online observation sample marking distance section deformation and damage in-situ test
System and its using method, for board-like material sample, deformation and damage are dynamic under the conditions of different mechanics and corrosive environment interaction
The observation of evolution process.
Background technology
At present, with regard to the report of alloy corrosion fatigue failure mechanism the follow-up sight to the sample that fails is depended on mostly both at home and abroad
Examine result.Because the whole corrosion-fatigue failure process of material is dynamic, the factor of impact is a lot, and these factors are in failure
The different phase of process can also change because of high localized on different structure level, so only focusing on ending experiment
The analysis of state is difficult the inefficacy mechanism for really reflecting alloy.
In consideration of it, so far both at home and abroad the experimental result and correlation analysiss of report is difficult truly explaining material microcosmic
The internal relation existed between structure and its corrosion-fatigue failure mechanism, this also significantly limit the tissue of these alloy materials
Improve and performance optimization.In view of the geometry problem of vertical Fatigue equipment, needs to have been carried out using horizontal fatigue experiment equipment
It is kind.On horizontal fatigue machine, it is easy to which optical microphotograph camera lens is realized to fatigue crack dynamic expansion process through corrosion case
Observation.Meanwhile, also realize carrying out strain controlling to the fatigue of sample using laser noncontact extensometer, and can be by optical microphotograph
The high low power optical lens of mirror are placed on sample marking distance fragment position to realize carrying out original position in fact to material deformation and damage process
When monitor.The acquisition of these data and physics picture is undoubtedly to furtheing investigate tired and fatigue of the alloy material in corrosion process
The corrosion of process is very crucial.However, the micro- power fatigue tester of the corrosion for adopting at this stage is difficult simultaneously to these data
It is acquired with signal.
Therefore, it is a kind of can high low power online observation material deformation and damage in-situ test system development to study alloy material
Stress corrosion cracking and corrosion fatigue mechanism of the material under temperature, corrosive environment and load three's Interaction Condition is quite weighed
Will, to improving China's material deformation and damage measure technical merit, promote the exploitation of Domestic New high performance structures material, meaning
It is great.
Utility model content
The purpose of this utility model be provide it is a kind of can high low power online observation sample marking distance section deformation and damage original
Bit test system and its using method, can high low power original position Real Time Observation material hand in temperature, corrosive environment and load three
Stress corrosion cracking and corrosion fatigue destructive process under the conditions of interaction, solves current material in mechanics and chemical interaction
Under the conditions of cannot high power observation local microcell in situ failure mechanism and monitor strain and the electrification of sample marking distance fragment position simultaneously
The difficult problems such as response pattern are learned, high flux property energy parameter measurement of the same sample in failure procedure is realized.
The technical solution of the utility model is：
It is a kind of can high low power online observation sample marking distance section deformation and damage in-situ test system, the system includes：Electricity
Chem workstation, electrochemical workstation control panel, micro- power fatigue tester, micro- power fatigue tester control panel, long-focus
Non-contact optical strain gauge, high low power optical microscope, plate tensile sample, high low power optical microscope control panel, circulation
Pump, external heat or kind of refrigeration cycle phase solution pool, Experiments of Machanics platform, concrete structure is as follows：
Reference electrode and plate tensile sample are set in the etching tank of electrochemical workstation, and reference electrode and plate tensile sample lead to respectively
Cross wire connection electrochemical workstation control panel；The top of etching tank arranges long-focus non-contact optical strain gauge, height
Low power optical microscope, long-focus non-contact optical strain gauge, high low power optical microscope are relative with plate tensile sample respectively,
Long-focus non-contact optical strain gauge connects micro- power fatigue tester control panel, high low power optical microscope by wire
High low power optical microscope control panel is connected by wire；
External heat or kind of refrigeration cycle phase solution pool are connected by pipeline with etching tank, and circulation is arranged on the pipeline
Pump, the two ends of plate tensile sample are installed on the fixture of micro- power fatigue tester, and the outside of etching tank two be arranged in parallel micro- with plate tensile sample
The leading screw of power fatigue tester, leading screw is connected by connector with fixture.
It is described can high low power online observation sample marking distance section deformation and damage in-situ test system, plate tensile sample sealing
In etching tank, plate tensile sample upper surface need to be less than 5mm, plate tensile sample two ends difference self-corrosion groove with the distance at the top of etching tank
Areole in stretch out.
It is described can high low power online observation sample marking distance section deformation and damage in-situ test system, plate tensile sample with it is rotten
Erosion groove connection end is sealed by silica gel.
It is described can high low power online observation sample marking distance section deformation and damage in-situ test system, high low power optics shows
Micro mirror carries out metallographic observation to plate tensile sample under 25～2500 times, and can carry out three-dimensional imaging to viewing area；High low power light
The high power camera lens operating distance for learning microscope original position Real Time Observation is 6.5mm, and amplification is 250～2500；High low power optics
The low power lens operating distance of microscope original position Real Time Observation is 20mm, and amplification is 25～250.
It is described can high low power online observation sample marking distance section deformation and damage in-situ test system, Experiments of Machanics platform exists
It is rotatable in 180 degree, bear the weight no less than 10kg.
Advantage of the present utility model and beneficial effect are：
1st, while this utility model to sample marking distance section by realizing that high low power is observed, moreover it is possible to synchronous monitoring sample
Strain and electrochemical response, truly realize many flux datas of the same sample under various factors coupling action condition
Measurement.
2nd, this utility model utilizes circulating pump and external heat or kind of refrigeration cycle phase solution pool, to realize ambient temperature to material
The impact of material mechanochemistry interbehavior.
3rd, test system of the present utility model can simulate the usage environment of nearly operating mode, and the experimental data for measuring can be engineering
The biometry of material and performance boost provide more applicable reference.
4th, system design of the present utility model is ingenious, simple to operation, can be on existing horizontal micro- power fatigue tester
Deformation and the damage mechanisms of Real Time Observation plate tensile sample gauge length section in situ are realized, the synchronous letter of same Specimen Determination is increased substantially
Breath amount.
Description of the drawings
Fig. 1 for it is of the present utility model can high low power online observation material deformation and damage in-situ test system mainly configure knot
Composition.
Fig. 2 high low power online observation material deformation and can damage in-situ test system equipment and illustrate for of the present utility model
Figure.
Fig. 3 is this utility model plate tensile sample size shape schematic diagram.
Fig. 4 is the sample and etching tank connection end position view of silica gel sealing.
In figure, 1 etching tank；2 reference electrodes；3 electrochemical workstation control panels；4 micro- power fatigue tester control panels；
5 long-focus non-contact optical strain gauges；6 high low power optical microscopes；7 plate tensile samples；8 high low power optical microscope controls
Panel；9 leading screws；10 fixtures；11 circulating pumps；12 external heat or kind of refrigeration cycle phase solution pool；13 silica gel sealing samples and corrosion
Groove connection end；14 Experiments of Machanics platforms.
Specific embodiment
In specific implementation process, this utility model combines high low power optical microscope, micro- power fatigue tester and electrification
Work station is learned, the sample that two ends clamp is placed in different liquid etching tanks, by the two ends silicon being connected with etching tank
Glue is sealed, can under the conditions of 25～2500 amplifications home position observation sample deformation and corrode it is mutual with microstructure
Association, different phase that can be in real time to developing carries out image acquisition, and is capable of achieving the three-dimensional appearance imaging of viewing area.Electrochemistry
Work station is capable of achieving corrosion electric current density when plate tensile sample under the conditions of certain externally-applied potential static in corrosive liquid and dynamic stand under load
Dynamic monitoring.External heat or kind of refrigeration cycle phase solution pool and circulating pump, are capable of achieving material in temperature (0～70 DEG C), load
With the interactive home position observation of corrosive environment and test.The system can realize static and dynamic load under corrosion working conditions
Experiments of Machanics, while providing the in-situ test and viewing system of material deformation and damage under different loading environments, Observable is simultaneously
The dynamic process of recording materials failure, can carry out the stress corrosion under temperature, corrosive environment and load three's Interaction Condition
Cracking and corrosion fatigue experiment, can monitor the situation of change of material corrosion behavior under dynamic load conditions.
This utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1-Figure 3, this utility model high low power online observation material deformation and can damage in-situ test system, main
Including：Electrochemical workstation (including etching tank 1, reference electrode 2 etc.), electrochemical workstation control panel 3, the fatigue examination of micro- power
Test machine (including leading screw 9, fixture 10 etc.), micro- power fatigue tester control panel 4, long-focus non-contact optical strain gauge 5,
High low power optical microscope 6, plate tensile sample 7, high low power optical microscope control panel 8, circulating pump 11, external heat or refrigeration
Circulation phase solution pool 12, Experiments of Machanics platform 14 etc., concrete structure is as follows：
Reference electrode 2 and plate tensile sample 7 are set in etching tank 1, and reference electrode 2 and plate tensile sample 7 are connected respectively by wire
Connect electrochemical workstation control panel 3；The top of etching tank 1 arranges long-focus non-contact optical strain gauge 5, high low power light
Microscope 6 is learned, long-focus non-contact optical strain gauge 5, high low power optical microscope 6 are relative with plate tensile sample 7 respectively, it is long
Focal length non-contact optical strain gauge 5 connects micro- power fatigue tester control panel 4, high low power optical microscope by wire
6 connect high low power optical microscope control panel 8 by wire.External heat or kind of refrigeration cycle phase solution pool 12 by pipeline with
Etching tank 1 is connected, and circulating pump 11 is arranged on the pipeline, and the two ends of plate tensile sample 7 are installed on fixture 10, and 1 liang of etching tank is outer
Side and plate tensile sample 7 be arranged in parallel leading screw 9, and leading screw 9 is connected by connector with fixture 10, to tabular under the driving of leading screw 9
Sample 7 carries out micro- fatigue test.
As shown in Fig. 2 plate tensile sample 7 is sealed in etching tank 1, the distance at the upper surface of plate tensile sample 7 and the top of etching tank 1
5mm need to be less than, the two ends of plate tensile sample 7 are stretched out in the areole of self-corrosion groove 1 respectively.In order to prevent plate tensile sample 7 and etching tank 1
Spilling for connection end corrosive liquid, the position is sealed with silica gel, plate tensile sample 7 and the connection end of etching tank 1 of silica gel sealing
Fig. 4 is seen at place (silica gel sealing sample and etching tank connection end 13).High low power optical microscope 6 is positioned on specimen surface to be seen
Side, focusing is carried out to high low power optical microscope 6 until being capable of sample marking distance section surface microstructure visible in detail.
As shown in figure 3, gauge length section thickness 2mm, width 4mm, the long 25mm of plate tensile sample 7；The clamping segment length of plate tensile sample 7
30.4mm, width 10mm, sample overall length 100mm.
In this utility model, the own wt of micro- power fatigue tester is less than 10kg, and maximum load range is not less than
4000N, dynamic displacement stroke is at least 50mm, and load precision can be entered less than 0.3%, least resolution 0.001N of full scale
The unidirectional tension and compression of row and fatigue experiment, can as needed work out loading spectrum carries out Experiments of Machanics, obtains material in static and dynamic force
Corresponding stress and/or the response pattern of strain under the conditions of/chemical interaction.
In this utility model, high low power optical microscope 6 can to height for 80mm plate tensile sample 7 under 25～2500 times
Metallographic observation is carried out, and three-dimensional imaging can be carried out to viewing area, Experiments of Machanics platform 14 can be rotated in 180 degree, can be held
By the weight no less than 10kg.The high power camera lens operating distance of the Real Time Observation in situ of high low power optical microscope 6 is 6.5mm, is put
Big multiple is 250～2500；The low power lens operating distance of the Real Time Observation in situ of high low power optical microscope 6 is 20mm, is amplified
Multiple is 25～250.
In this utility model, in electrochemical workstation etching tank 1 groove pressure be ± 15V, electric potential scanning scope for ±
12.8V, minimum level increment 0.0125mV, control of Electric potentials precision is less than ± 0.5mV.
In this utility model, long-focus non-contact optical strain gauge 5 can be carried out to the strain during mechanical test
Measurement in real time, records the strain-responsive rule in mechanical process, and macroscopic deformation can be recorded a video.
In this utility model, the temperature of liquid in etching tank 1 can be by the way that circulating pump 11 is externally heated or kind of refrigeration cycle phase
The circulation suction heating of solution pool 12 or the liquid for freezing, realize the regulation and control in the range of 0～70 DEG C.
As Figure 1-Figure 4, this utility model high low power online observation material deformation and can damage in-situ test system
Using method is as follows：
1st, standard strain patch is bonded in the gauge length section of plate tensile sample 7, then plate tensile sample is sealed into etching tank 1, will
The two ends that plate tensile sample 7 is connected with etching tank 1 are sealed with silica gel, are air-dried；
The 2nd, the outside two ends of sealing to plate tensile sample 7 in etching tank 1 are clamped in respectively the fixture of micro- power fatigue tester
On 10, tightened with fixing bolt；
3rd, the micro- power fatigue tester that will be equipped with plate tensile sample 7 is placed on Experiments of Machanics platform 14, aobvious to high low power optics
The camera lens of micro mirror 6 is focused, until being capable of the gauge length section surface microstructure of plate tensile sample visible in detail 7；
4th, the strain of the alignment criteria of long-focus non-contact optical strain gauge 5 is pasted, realizes the monitor in real time of strain；
The 5th, the reference electrode 2 of electrochemical workstation is put in etching tank 1 fixed, the monitoring electrochemical data of plate tensile sample 7
Change；
6th, by circulating pump 11 is externally heated or kind of refrigeration cycle phase solution pool 12 in suction extract heating or the liquid for freezing out
Body, realizes that temperature of liquid regulates and controls in the range of 0～70 DEG C in the etching tank 1 that the system is included；
7th, start loading to sample, carry out the deformation to sample marking distance section and damage home position observation and monitoring.
Embodiment result shows, this utility model high low power online observation material deformation and can damage in-situ test system,
Stress corrosion of the high low power original position Real Time Observation material under temperature, corrosive environment and load three's Interaction Condition can be realized
Cracking and corrosion fatigue destructive process.This utility model can be in 25～2500 amplification conditions by high low power optical microscope
The deformation and corrosion of lower home position observation sample is interrelated with microstructure, and different phase that can be in real time to developing carry out image
Collection, and it is capable of achieving the three-dimensional appearance imaging of viewing area.This utility model passes through long-focus non-contact optical strain gauge
Alignment criteria strain patch position carries out real-time monitoring, can obtain material under the conditions of static and dynamic mechanical/chemical interaction
Corresponding strain-responsive rule.This utility model is capable of achieving tabular examination under the conditions of certain externally-applied potential by configuring reference electrode
Sample static dynamic monitoring with corrosion electric current density during dynamic stand under load in corrosive liquid.This utility model is by configuring external heat
Or kind of refrigeration cycle phase solution pool and circulating pump, temperature of liquid is in 0～70 DEG C of scope in the etching tank that the system of being capable of achieving is included
Interior regulation and control.
Claims (5)
1. it is a kind of can high low power online observation sample marking distance section deformation and damage in-situ test system, it is characterised in that this is
System includes：Electrochemical workstation, electrochemical workstation control panel, micro- power fatigue tester, micro- power fatigue tester chain of command
Plate, long-focus non-contact optical strain gauge, high low power optical microscope, plate tensile sample, the control of high low power optical microscope
Panel, circulating pump, external heat or kind of refrigeration cycle phase solution pool, Experiments of Machanics platform, concrete structure is as follows：
Reference electrode and plate tensile sample are set in the etching tank of electrochemical workstation, and reference electrode and plate tensile sample are respectively by leading
Line connects electrochemical workstation control panel；The top of etching tank arranges long-focus non-contact optical strain gauge, high low power
Optical microscope, long-focus non-contact optical strain gauge, high low power optical microscope are relative with plate tensile sample respectively, focal length
Micro- power fatigue tester control panel is connected by wire away from non-contact optical strain gauge, high low power optical microscope passes through
Wire connects high low power optical microscope control panel；
External heat or kind of refrigeration cycle phase solution pool are connected by pipeline with etching tank, and circulating pump, plate are arranged on the pipeline
The two ends of shape sample are installed on the fixture of micro- power fatigue tester, and the outside of etching tank two and plate tensile sample be arranged in parallel micro- power fatigue
The leading screw of testing machine, leading screw is connected by connector with fixture.
2. according to described in claim 1 can high low power online observation sample marking distance section deformation and damage in-situ test system,
Characterized in that, plate tensile sample is sealed in etching tank, plate tensile sample upper surface need to be less than 5mm with the distance at the top of etching tank,
Stretch out in the areole of self-corrosion groove respectively at plate tensile sample two ends.
3. according to described in claim 1 can high low power online observation sample marking distance section deformation and damage in-situ test system,
Characterized in that, plate tensile sample is sealed with etching tank connection end by silica gel.
4. according to described in claim 1 can high low power online observation sample marking distance section deformation and damage in-situ test system,
Characterized in that, high low power optical microscope carries out metallographic observation to plate tensile sample under 25～2500 times, and can be to observation area
Domain carries out three-dimensional imaging；The high power camera lens operating distance of high low power optical microscope original position Real Time Observation is 6.5mm, amplification
For 250～2500；The low power lens operating distance of high low power optical microscope original position Real Time Observation is 20mm, and amplification is 25
～250.
5. according to described in claim 1 can high low power online observation sample marking distance section deformation and damage in-situ test system,
Characterized in that, Experiments of Machanics platform is rotatable in 180 degree, the weight no less than 10kg is born.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117413.9U CN206114426U (en) | 2016-10-12 | 2016-10-12 | In situ test system of can high low power observing deformation of sample gauge length section and damage on line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117413.9U CN206114426U (en) | 2016-10-12 | 2016-10-12 | In situ test system of can high low power observing deformation of sample gauge length section and damage on line |
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| CN206114426U true CN206114426U (en) | 2017-04-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192660A (en) * | 2017-05-27 | 2017-09-22 | 中国科学院上海技术物理研究所 | It is a kind of to be used for the apparatus and method that dynamic observes Cdl-x_Znx_Te chemical attack hole |
| CN109459473A (en) * | 2018-12-27 | 2019-03-12 | 南京工业大学 | Passivating material membrane damage repairs in-situ monitoring device |
| CN111141612A (en) * | 2020-01-21 | 2020-05-12 | 鞍钢股份有限公司 | Device and method for testing hydrogen sulfide stress corrosion resistance of oil well pipe |
| CN112505286A (en) * | 2019-09-16 | 2021-03-16 | 中国科学院上海光学精密机械研究所 | Detection device and method for zinc-induced liquid metal crack formation condition |
-
2016
- 2016-10-12 CN CN201621117413.9U patent/CN206114426U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192660A (en) * | 2017-05-27 | 2017-09-22 | 中国科学院上海技术物理研究所 | It is a kind of to be used for the apparatus and method that dynamic observes Cdl-x_Znx_Te chemical attack hole |
| CN107192660B (en) * | 2017-05-27 | 2023-09-12 | 中国科学院上海技术物理研究所 | Device and method for dynamically observing tellurium-zinc-cadmium material chemical corrosion pits |
| CN109459473A (en) * | 2018-12-27 | 2019-03-12 | 南京工业大学 | Passivating material membrane damage repairs in-situ monitoring device |
| CN109459473B (en) * | 2018-12-27 | 2023-12-22 | 南京工业大学 | Material passivation film damage repair in-situ monitoring device |
| CN112505286A (en) * | 2019-09-16 | 2021-03-16 | 中国科学院上海光学精密机械研究所 | Detection device and method for zinc-induced liquid metal crack formation condition |
| CN112505286B (en) * | 2019-09-16 | 2023-08-11 | 中国科学院上海光学精密机械研究所 | Detection device and method for zinc-induced liquid metal crack formation condition |
| CN111141612A (en) * | 2020-01-21 | 2020-05-12 | 鞍钢股份有限公司 | Device and method for testing hydrogen sulfide stress corrosion resistance of oil well pipe |
| CN111141612B (en) * | 2020-01-21 | 2022-05-13 | 鞍钢股份有限公司 | Device and method for testing hydrogen sulfide stress corrosion resistance of oil well pipe |
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