CN206132586U - Fixed electrochemistry test sample's device - Google Patents
Fixed electrochemistry test sample's device Download PDFInfo
- Publication number
- CN206132586U CN206132586U CN201621131819.2U CN201621131819U CN206132586U CN 206132586 U CN206132586 U CN 206132586U CN 201621131819 U CN201621131819 U CN 201621131819U CN 206132586 U CN206132586 U CN 206132586U
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- hole
- packaging part
- test sample
- test button
- 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.)
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 230000005518 electrochemistry Effects 0.000 title abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000005538 encapsulation Methods 0.000 claims abstract 2
- 238000000840 electrochemical analysis Methods 0.000 claims description 20
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 21
- 229910052802 copper Inorganic materials 0.000 description 21
- 239000010949 copper Substances 0.000 description 21
- 239000000463 material Substances 0.000 description 17
- 239000004020 conductor Substances 0.000 description 16
- 239000007769 metal material Substances 0.000 description 12
- 239000003822 epoxy resin Substances 0.000 description 10
- 229920000647 polyepoxide Polymers 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229950000845 politef Drugs 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Abstract
The utility model discloses a fixed electrochemistry test sample's device, including pipe fitting, packaging part and metal specimen, the packaging part is installed the upper end of pipe fitting, set up the hole on the wall of pipe fitting, the packaging part is equipped with the recess, the shape of recess is unanimous with metal specimen's appearance, metal specimen installs in the recess, makes the packaging part can encapsulate metal specimen, and awaiting measuring of metal specimen is showed out, the through -hole is offered to the recess bottom, and welding metal specimen's the contralateral wire of the face that awaits measuring is drawn outside the pipe fitting through the through -hole of recess and the hole on the pipe fitting wall, the up end of pipe fitting makes with the terminal surface is parallel down the device can be erect at the sample bench. Adopt the packaging part with the upper end of metal specimen encapsulation at the pipe fitting to go up the welding with metal specimen and draw forth outside the pipe fitting through the through -hole of recess and the hole on the pipe fitting wall at the wire at the back of the face of awaiting measuring, thereby reduced the wire to metal specimen fixing at the sample bench.
Description
Technical field
This utility model belongs to electrochemical metal test equipment or engineering device technique field, and in particular to a kind of fixed electrochemistry
The device of test sample.
Background technology
Metal material is one of most important engineering material, and by metallurgical technology, metal material can be divided into casting forging material, powder
Powder metallurgy material and metal-base composites.Casting forging material is divided into ferrous material and nonferrous materials again.Ferrous metal
Material includes steel, cast iron and various ferroalloys.Non-ferrous metal is to point out all Metal Substrates its alloy beyond ferrous metal, such as aluminum
And aluminium alloy, copper and copper alloy etc..In engineering structure, metal material more than 90% used is ferrous materials.
Metal material has many premium properties, is current national economy every profession and trade, the most widely used engineering of all departments
One of material, particularly in the manufacture of the industry such as vehicle, lathe, heat energy, chemical industry, Aero-Space, building various parts and part
In played irreplaceable effect.
Metal material is easily damaged by the effect of surrounding medium, during corrosion, there occurs chemistry on the interface of metal
Or electrochemistry heterogeneous reaction, make metal proceed to oxidation (ion) state.It is intensity that this can significantly reduce metal material, plasticity, tough
Property etc. mechanical property, destroy the geometry of hardware, increase the abrasion between part, deteriorate the physical property such as electrical and optical
Can, shorten the service life of equipment, or even cause the catastrophic failures such as fire, blast.U.S. 1975 cause because of metal erosion
Economic loss be 70,000,000,000 dollars, account for the 4.2% of national economy total output value then.According to statistics, every year as metal erosion is made
Into iron and steel loss account for the 10～20% of output of steel then.The indirect losses such as stopping production that metal erosion accident causes, power failure are just
Cannot more calculate.
To lose caused by preventing metallic material corrosion, just the decay resistance of metal material must be had gained some understanding.Cause
And in the scientific research and production of metal material, it is often necessary to the decay resistance of metal material is entered by electrochemical means
Row test, needs to coordinate the analysis such as pattern, composition, the Corrosion developing process of research material in process of the test.
During electro-chemical test test button, generally using ultramicroscope or optical profilometer etc. to test button
Carry out composition and morphology analysis.But test button one side, used as face to be tested, another side welding lead, the wire of welding are usual
Affect, limit fixation of the test button on sample stage, metal is tried so as to hamper ultramicroscope or optical profilometer etc.
Composition and morphology analysis that sample is carried out.
Utility model content
To overcome the defect of prior art, this utility model to provide a kind of device of fixed electro-chemical test sample.From
And solving welding lead affects fixation problem of the test button on sample stage.
For achieving the above object, the technical solution of the utility model is：
A kind of device of fixed electro-chemical test sample, including pipe fitting, packaging part and test button, the packaging part are installed
Hole is opened up on the upper end of the pipe fitting, the wall of the pipe fitting, the packaging part is provided with groove, the shape and metal of the groove
The profile of sample is consistent, and the test button is arranged in groove, enables the packaging part to be packaged test button, gold
The tested surface of category sample exposes, and the bottom portion of groove opens up through hole, and the wire of the tested surface offside of welding metal sample is by recessed
Hole on the through hole and pipe wall of groove is led to outside pipe fitting, and the upper surface of the pipe fitting is parallel with lower surface, enables described device
Enough it is erected on sample stage.
The packaging part is the element that can be packaged metal specimen.
Test button is encapsulated in this utility model the upper end of pipe fitting using packaging part, and is treated being welded on test button
Hole on through hole and pipe wall of the wire at the back side in survey face by groove is led to outside pipe fitting, so as to reduce wire to metal
Fixation of the sample on sample stage.
Preferably, the cross section of the pipe fitting is circular, oval or rectangle.Circular, oval or rectangle pipe fitting adds
Work facilitates, is readily available.
Preferably, the generally circular in shape or rectangle in the hole for opening up in pipe wall.
Preferably, the material of the pipe fitting is PVC.
Preferably, the material of the packaging part is epoxy resin, politef or phenolic resin.
Preferably, the material of the wire is copper.
Preferably, the packaging part is plugged on the upper end of the pipe fitting.Test button more firm can be fixed on pipe
In part, so as to improve fixation of the test button on sample stage.
Preferably, the pipe fitting inner wall is provided with the flange for preventing test button from gliding.It is prevented from being erected at sample stage
On device in sample glide, so as to ensure detect metal sample accuracy.
Preferably, the inwall of the pipe fitting upper end is provided with female thread, and the packaging part is provided with and the screw-internal thread fit
External screw thread.The effect sealed by pressure can be screwed by screw thread to the position outside test button tested surface.
Preferably, the lower end mounting seat of the pipe fitting.As pipe fitting is less with the contact surface of sample stage, it is to improve device
Steadiness on sample stage, so that mounting seat.
It is further preferred that the base grafting or being threaded in the lower end of the pipe fitting.Facilitate device dismounting and
Install, to improve the adaptability of device.
It is further preferred that the upper surface of the base is connected to the lower end of the pipe fitting, the face of the base upper surface
Area of the product less than the base lower surface.Further increase the contact area of device and sample stage, so that device is improved in sample
Stability in sample platform.
It is further preferred that sucker is installed in the lower surface of base.Device is fixed on sample stage by sucker, so as to carry
Stability of the high device on sample stage.
The beneficial effects of the utility model are：
1. device of the present utility model in addition to it can be used for electro-chemical test can also pass through ultramicroscope or contourograph is regular
The surface morphology and composition distribution of analysis test button, is fully understood by Corrosion developing process and the influence factor of metal material.
2. this utility model simple structure, fixed, easy to connect, it is easy to processing and manufacturing, low cost of manufacture.
Description of the drawings
Structural representations of the Fig. 1 for this utility model embodiment 1；
Structural representations of the Fig. 2 for this utility model embodiment 2；
Structural representations of the Fig. 3 for this utility model embodiment 4；
Structural representations of the Fig. 4 for this utility model embodiment 5；
Wherein, 1. test button, 2. pipe fitting, 3. packaging part, 4. wire, 5. flange, 6. base, 7. sucker.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.
Embodiment 1
A kind of device of fixed electro-chemical test sample, as shown in figure 1, including pipe fitting 2, packaging part 3 and test button 1,
The packaging part 3 is arranged on the upper end of the pipe fitting 2, and hole is opened up on the wall of the pipe fitting 2, and the packaging part 3 is provided with groove, institute
The shape for stating groove is consistent with the profile of test button 1, and the test button 1 is arranged in groove, enables the packaging part 3
Test button 1 is packaged, the tested surface of test button 1 exposes, the bottom portion of groove opens up through hole, welding metal sample 1
Tested surface offside through hole and pipe fitting 2 wall of the wire 4 by groove on hole lead to outside pipe fitting 2, the upper end of the pipe fitting 2
Face is parallel with lower surface, allows the devices to be erected on sample stage.
The pipe fitting 2 is pvc pipe, is shaped as cylindrical shape.The wire 4 is copper conductor.Hole on 2 wall of pipe fitting is rectangle
Hole.
The test button 1, is simultaneously tested surface, welds copper conductor on the face relative with tested surface.
The other parts outside 1 tested surface of test button are encapsulated using epoxy resin, by copper conductor and metal
The copper material that 1 welding position of sample is exposed is packaged, and the epoxy resin after encapsulating to test button 1 forms packaging part 3.Copper conductor
One end is welded on the back side of sample tested surface, through epoxy resin, through the rectangular opening of pvc pipe, stretches out from the side of pvc pipe.
Embodiment 2
A kind of device of fixed electro-chemical test sample, as shown in Fig. 2 including pipe fitting 2, packaging part 3 and test button 1,
The packaging part 3 is arranged on the upper end of the pipe fitting 2, and hole is opened up on the wall of the pipe fitting 2, and the packaging part 3 is provided with groove, institute
The shape for stating groove is consistent with the profile of test button 1, and the test button 1 is arranged in groove, enables the packaging part 3
Test button 1 is packaged, the tested surface of test button 1 exposes, the bottom portion of groove opens up through hole, welding metal sample 1
Tested surface offside through hole and pipe fitting 2 wall of the wire 4 by groove on hole lead to outside pipe fitting 2, the upper end of the pipe fitting 2
Face is parallel with lower surface, allows the devices to be erected on sample stage.
The inwall of 2 upper end of the pipe fitting is provided with the flange 5 for preventing test button 1 from gliding, and inwall is provided with female thread, institute
State packaging part 3 and be provided with the external screw thread with the screw-internal thread fit.
The pipe fitting 2 is pvc pipe, is shaped as cylindrical shape.The wire 4 is copper conductor.Hole on 2 wall of pipe fitting is rectangle
Hole.
The test button 1, is simultaneously tested surface, welds copper conductor on the face relative with tested surface.
The material of the packaging part 3 is phenolic resin.
Embodiment 3
A kind of device of fixed electro-chemical test sample, as shown in Fig. 2 including pipe fitting 2, packaging part 3 and test button 1,
The packaging part 3 is arranged on the upper end of the pipe fitting 2, and hole is opened up on the wall of the pipe fitting 2, and the packaging part 3 is provided with groove, institute
The shape for stating groove is consistent with the profile of test button 1, and the test button 1 is arranged in groove, enables the packaging part 3
Test button 1 is packaged, the tested surface of test button 1 exposes, the bottom portion of groove opens up through hole, welding metal sample 1
Tested surface offside through hole and pipe fitting 2 wall of the wire 4 by groove on hole lead to outside pipe fitting 2, the upper end of the pipe fitting 2
Face is parallel with lower surface, allows the devices to be erected on sample stage.
The inwall of 2 upper end of the pipe fitting is provided with the flange 5 for preventing test button 1 from gliding, and inwall is provided with female thread, institute
State packaging part 3 and be provided with the external screw thread with the screw-internal thread fit.
The pipe fitting 2 is pvc pipe, is shaped as cylindrical shape.The wire 4 is copper conductor.Hole on 2 wall of pipe fitting is circular hole.
The test button 1, is simultaneously tested surface, welds copper conductor on the face relative with tested surface.
The material of the packaging part 3 is politef.
Embodiment 4
A kind of device of fixed electro-chemical test sample, as shown in figure 3, including pipe fitting 2, packaging part 3 and test button 1,
The packaging part 3 is arranged on the upper end of the pipe fitting 2, and hole is opened up on the wall of the pipe fitting 2, and the packaging part 3 is provided with groove, institute
The shape for stating groove is consistent with the profile of test button 1, and the test button 1 is arranged in groove, enables the packaging part 3
Test button 1 is packaged, the tested surface of test button 1 exposes, the bottom portion of groove opens up through hole, welding metal sample 1
Tested surface offside through hole and pipe fitting 2 wall of the wire 4 by groove on hole lead to outside pipe fitting 2, the upper end of the pipe fitting 2
Face is parallel with lower surface, allows the devices to be erected on sample stage.
The lower end mounting seat 6 of the pipe fitting 2, the base 6 are plugged on the lower end of the pipe fitting 2, the base 6 it is upper
End face is connected to the lower end of the pipe fitting 2, and the area of 6 upper surface of the base is less than the area of 6 lower surface of the base.
The pipe fitting 2 is pvc pipe, is shaped as cylindrical shape.The wire 4 is copper conductor.Hole on 2 wall of pipe fitting is rectangle
Hole.
The test button 1, is simultaneously tested surface, welds copper conductor on the face relative with tested surface.
The other parts outside 1 tested surface of test button are encapsulated using epoxy resin, by copper conductor and metal
The copper material that 1 welding position of sample is exposed is packaged, and the epoxy resin after encapsulating to test button 1 forms packaging part 3.Copper conductor
One end is welded on the back side of sample tested surface, through epoxy resin, through the rectangular opening of pvc pipe, stretches out from the side of pvc pipe.
Embodiment 5
A kind of device of fixed electro-chemical test sample, as shown in figure 4, including pipe fitting 2, packaging part 3 and test button 1,
The packaging part 3 is arranged on the upper end of the pipe fitting 2, and hole is opened up on the wall of the pipe fitting 2, and the packaging part 3 is provided with groove, institute
The shape for stating groove is consistent with the profile of test button 1, and the test button 1 is arranged in groove, enables the packaging part 3
Test button 1 is packaged, the tested surface of test button 1 exposes, the bottom portion of groove opens up through hole, welding metal sample 1
Tested surface offside through hole and pipe fitting 2 wall of the wire 4 by groove on hole lead to outside pipe fitting 2, the upper end of the pipe fitting 2
Face is parallel with lower surface, allows the devices to be erected on sample stage.
The lower end mounting seat 6 of the pipe fitting 2, the base 6 are threaded in the lower end of the pipe fitting 2, the base 6
Upper surface be connected to the lower end of the pipe fitting 2, the area of the area of 6 upper surface of the base less than 6 lower surface of the base,
The lower surface of base is installed by sucker 7.
The pipe fitting 2 is pvc pipe, is shaped as cylindrical shape.The wire 4 is copper conductor.Hole on 2 wall of pipe fitting is rectangle
Hole.
The test button 1, is simultaneously tested surface, welds copper conductor on the face relative with tested surface.
The other parts outside 1 tested surface of test button are encapsulated using epoxy resin, by copper conductor and metal
The copper material that 1 welding position of sample is exposed is packaged, and the epoxy resin after encapsulating to test button 1 forms packaging part 3.Copper conductor
One end is welded on the back side of sample tested surface, through epoxy resin, through the rectangular opening of pvc pipe, stretches out from the side of pvc pipe.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not to utility model
The restriction of protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, this area
Various modifications or deform still in protection domain of the present utility model that technical staff is made by need not paying creative work
It is interior.
Claims (10)
1. a kind of device of fixed electro-chemical test sample, is characterized in that, including pipe fitting, packaging part and test button, the envelope
Piece installing is arranged on the upper end of the pipe fitting, and hole is opened up on the wall of the pipe fitting, and the packaging part is provided with groove, the shape of the groove
Shape is consistent with the profile of test button, and the test button is arranged in groove, enables the packaging part to enter test button
Row encapsulation, the tested surface of test button exposes, the bottom portion of groove opens up through hole, and the tested surface offside of welding metal sample is led
Hole on through hole and pipe wall of the line by groove is led to outside pipe fitting, and the upper surface of the pipe fitting is parallel with lower surface, makes institute
State device to be erected on sample stage.
2. a kind of device of fixed electro-chemical test sample as claimed in claim 1, is characterized in that, the cross section of the pipe fitting
For circular, oval or rectangle.
3. a kind of device of fixed electro-chemical test sample as claimed in claim 1, is characterized in that, the hole opened up in pipe wall
Generally circular in shape or rectangle.
4. a kind of device of fixed electro-chemical test sample as claimed in claim 1, is characterized in that, the packaging part is plugged on
The upper end of the pipe fitting.
5. a kind of device of fixed electro-chemical test sample as claimed in claim 1, is characterized in that, set on the pipe fitting inner wall
There is the flange for preventing test button from gliding.
6. a kind of device of fixed electro-chemical test sample as claimed in claim 1, is characterized in that, the pipe fitting upper end it is interior
Wall is provided with female thread, and the packaging part is provided with the external screw thread with the screw-internal thread fit.
7. a kind of device of fixed electro-chemical test sample as claimed in claim 1, is characterized in that, the lower end peace of the pipe fitting
Dress base.
8. a kind of device of fixed electro-chemical test sample as claimed in claim 7, is characterized in that, the base grafting or spiral shell
Stricture of vagina is connected to the lower end of the pipe fitting.
9. a kind of device of fixed electro-chemical test sample as claimed in claim 7, is characterized in that, the upper surface of the base
The lower end of the pipe fitting is connected to, the area of the base upper surface is less than the area of the base lower surface.
10. a kind of device of fixed electro-chemical test sample as claimed in claim 7, is characterized in that, the lower surface peace of base
Dress sucker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131819.2U CN206132586U (en) | 2016-10-17 | 2016-10-17 | Fixed electrochemistry test sample's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131819.2U CN206132586U (en) | 2016-10-17 | 2016-10-17 | Fixed electrochemistry test sample's device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132586U true CN206132586U (en) | 2017-04-26 |
Family
ID=58574550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621131819.2U Active CN206132586U (en) | 2016-10-17 | 2016-10-17 | Fixed electrochemistry test sample's device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132586U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831108A (en) * | 2017-11-24 | 2018-03-23 | 北京科技大学 | A kind of electrochemical test method and device based on automatic film covering Yu micro- liquid pool |
| CN107941687A (en) * | 2017-11-24 | 2018-04-20 | 北京科技大学 | Electrochemistry high pass weight testing method and device based on photo etched mask Yu micro- liquid pool |
| CN110296932A (en) * | 2019-07-25 | 2019-10-01 | 佛山科学技术学院 | A kind of electro-chemical test sample and preparation method thereof |
| CN110470519A (en) * | 2019-09-06 | 2019-11-19 | 四川轻化工大学 | Detect sample of porous metals corrosion behavior and preparation method thereof and detection method |
-
2016
- 2016-10-17 CN CN201621131819.2U patent/CN206132586U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831108A (en) * | 2017-11-24 | 2018-03-23 | 北京科技大学 | A kind of electrochemical test method and device based on automatic film covering Yu micro- liquid pool |
| CN107941687A (en) * | 2017-11-24 | 2018-04-20 | 北京科技大学 | Electrochemistry high pass weight testing method and device based on photo etched mask Yu micro- liquid pool |
| CN110296932A (en) * | 2019-07-25 | 2019-10-01 | 佛山科学技术学院 | A kind of electro-chemical test sample and preparation method thereof |
| CN110470519A (en) * | 2019-09-06 | 2019-11-19 | 四川轻化工大学 | Detect sample of porous metals corrosion behavior and preparation method thereof and detection method |
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