CN106969993A - Hydrogen in metal diffusion coefficients device - Google Patents
Hydrogen in metal diffusion coefficients device Download PDFInfo
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- CN106969993A CN106969993A CN201611197369.1A CN201611197369A CN106969993A CN 106969993 A CN106969993 A CN 106969993A CN 201611197369 A CN201611197369 A CN 201611197369A CN 106969993 A CN106969993 A CN 106969993A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N2013/003—Diffusion; diffusivity between liquids
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Abstract
The present invention discloses a kind of hydrogen in metal diffusion coefficients device.Hydrogen in metal diffusion coefficients device includes:First container, its liquid of internal reservoir first of first container;Second container, the second container is arranged on the top of the first container and storage second liquid;Metal testing plate, between the metal testing plate is set between the first vessel and second vessel and is arranged to one side and another side contacts the first liquid and second liquid respectively;Reaction electrode, the reaction electrode is arranged on the inside of second container;Power supply unit, said supply unit is powered to metal testing plate and reaction electrode, to produce hydrogen from the inside of lateral first liquid of metal testing plate;3rd container, the 3rd container is connected with the first container, and a part for the first liquid is moved to the 3rd container after production hydrogen;And weighing cell, the weight of the 3rd container of the weighing cell measure.
Description
Technical field
The present invention relates to it is a kind of can Accurate Determining hydrogen diffusion coefficient hydrogen in metal diffusion coefficients device.
Background technology
Generally, the method for determining hydrogen in metal diffusion coefficient uses electrochemical process, observation method of naked eye, image analytical method, gas
Phase chromatography, capillary tube method or capacitance method etc..
Electrochemical process refers to the method for determining the electric current that hydrogen atom is produced when the permeable face of test piece causes ionization reaction.This
Accurate hydrogen amount can be measured by planting electrochemical process, but the test pieces such as palladium (Pd) pretreatment is plated on strip and is prepared very multiple
It is miscellaneous.
Observation method of naked eye refers to directly to detect by an unaided eye the method for bubble that the hydrogen being released formed.It is this to visually observe
The advantage of method is that the manufacturing expense of measure device is cheap, but there is the problem of repeatability based on observer is low.
Image analytical method determines bubble hydrogen to improve the repeatability based on observer using appropriate illumination and video camera, but
It is fundamentally the presence of the problem of larger error is occurred according to bubble hydrogen shape hydrogen amount measured value when estimating hydrogen amount with bubble hydrogen amount.
It is the method analyzed with gas-chromatography the hydrogen amount being released using the method for gas-chromatography, it can be estimated that accurate
True hydrogen yield.However, it is very long due to determining the cycle using the method for gas-chromatography, therefore oozed to hydrogen occurs in the short time
Saturating thin plate is difficult to determine.
The content of the invention
Technical problem
One embodiment of the invention provides a kind of metal that hydrogen in metal diffusion coefficient is easily determined using simple structure
Middle hydrogen diffusion coefficient determines device.
Technical scheme
The hydrogen in metal diffusion coefficients device of one embodiment of the invention includes:First container, first container its
The liquid of internal reservoir first;Second container, the second container is arranged on the top of the first container and storage second liquid;Metal
Test piece, between the metal testing plate is set between the first vessel and second vessel and is arranged to one side and another side contacts first respectively
Liquid and second liquid;Reaction electrode, the reaction electrode is arranged on the inside of second container;Power supply unit, the power supply list
Member is powered to metal testing plate and reaction electrode, to produce hydrogen from the inside of lateral first liquid of metal testing plate;3rd container, institute
State the 3rd container to be connected with the first container, a part for the first liquid is moved to the 3rd container after production hydrogen;And check weighing list
Member, the weighing cell determines the weight of the 3rd container.
First liquid can be distilled water or glycerine, and second liquid can be electrolyte.
Part that can be with reservoir volume equivalent to the first liquid of hydrogen volume in 3rd container.
First container can form the first opening that oriented side is opened, and can be respectively arranged with the of the first liquid of injection
The discharge opeing unit of a part for the first liquid of one injection unit and discharge.
First container can set the first sealing unit on the part contacted with metal testing plate.
Second container can form the second opening that oriented side is opened, and the second note for having injection second liquid can be set
Enter unit.
Second container can set the second sealing unit on the part contacted with metal testing plate.
Second liquid can be set on second container and exceed the overflow pipe that predetermined altitude is just discharged.
Metal testing plate can be negative electrode, and reaction electrode can be anode.
Invention effect
According to one embodiment of the invention, the hydrogen by metal testing plate is determined using corresponding to the liquid discharge rate of bubble hydrogen
Permeability, so as to determine hydrogen in metal diffusion coefficient exactly, and then gold is determined exactly using simple structure
Hydrogen diffusion coefficient in category.
Brief description of the drawings
Fig. 1 is that the major part for the hydrogen in metal diffusion coefficients device for schematically showing one embodiment of the invention is stood
Body figure.
Fig. 2 is the main portion sectional view for the hydrogen in metal diffusion coefficients device for schematically showing Fig. 1.
Embodiment
Below, embodiments of the invention are described in detail referring to the drawings, so that those skilled in the art can
Easily implement the present invention.But, the present invention can be implemented using various different modes, be not limited to embodiment described herein.In order to clear
Illustrate to Chu the present invention, the part unrelated with explanation is eliminated in the accompanying drawings, to same or similar structure in specification in the whole text
Part employs identical reference.
Fig. 1 is that the major part for the hydrogen in metal diffusion coefficients device for schematically showing one embodiment of the invention is stood
Body figure, Fig. 2 is the main portion sectional view for the hydrogen in metal diffusion coefficients device for schematically showing Fig. 1.
As shown in Figures 1 and 2, the hydrogen in metal diffusion coefficients device 100 of one embodiment of the invention includes:First holds
Device 10, first container 10 is formed with the first storage area 13, its first liquid of internal reservoir 11;Second container 20, it is described
Second container 20 is arranged on the top of the first container 10 and is formed with the second storage area 23, its internal reservoir second liquid 21;
Metal testing plate 40, the metal testing plate 40 is arranged between the first container 10 and second container 20 and is arranged to one side contact first
Liquid 11 and another side contact second liquid 21;Reaction electrode 30, the reaction electrode 30 is arranged on the second of second container 20
The inside of storage area 23;Power supply unit 50, said supply unit 50 is powered to metal testing plate 40 and reaction electrode 30, with from gold
Belong to the inside production hydrogen of lateral first liquid 11 of test piece 40;3rd container 60, the 3rd container 60 connects with the first container 10
Connect, a part for the first liquid 11 is moved to the 3rd container 60 after production hydrogen;And weighing cell 70, the weighing cell 70
Measure the weight of the 3rd container 60.
First container 10 can be set to the state of top opening.That is, the first liquid 11 of storage is formed with the first container 10
The first storage area 13, the top of the first storage area 13 can be set to open state.
It is that hydrogen solubility is small under normal temperature to be stored in the first liquid 11 of the first storage area 13 of first container 10
Distilled water or glycerine can be used in liquid, the present embodiment.
As described above, the first liquid 11 passes through metal using the small liquid of hydrogen solubility under the normal temperature such as distilled water or glycerine
The hydrogen discharged after test piece can be included in the inside of the first liquid 11.In this regard, being explained in further detail below.
The first injection unit 15 for injecting the first liquid 11 to the first storage area 13 can be set on first container 10.
For the first injection unit 15, it is internally formed the inside that the first liquid 11 is injected to the first storage area 13
Flow in pipes, and switching manipulation is carried out by switch valve 15a, so that the first liquid 11 optionally is fed into the first storage
The inside in space 13.
The top of first container 10 sets second container 20.
Second container 20 is arranged on the top of the first container 10 and is formed as with same or similar with the first container 10
Size, the inside of the second container 20 can form the second storage area 23.The second liquid is stored in this second storage area 23
Body 21.
Electrolyte can be used in second liquid 21.As described above, second liquid 21 is to apply in power supply using electrolyte
Hydrogen is set easily to produce during to following reaction electrodes 30.In this regard, being explained in further detail below.
The second injection unit 25 for injecting second liquid 21 can be set on second container 20.
Second injection unit 25 can be set to protrude towards the top of second container 20 and be connected with the second storage area 23.Cause
This, second liquid 21 can be injected into the inside of the second storage area 23 by the second injection unit 25.This second injection unit
25 can optionally be switched by switch valve.
Reaction electrode 30 can be set in the inside of this second container 20.In addition, overflow pipe 27 can be set on second container 20,
Discharged with being filled in second liquid 21 when the second storage area 23 reaches more than predetermined altitude.
By the startup of power supply unit 50, reaction electrode 30 can apply electricity in the inside of second container 20 to second liquid 21
Stimulate to produce hydrogen.As described above, the hydrogen produced with the inside for being operated in second container 20 of reaction electrode 30 can be by metal
Test piece 40 enters the inside of the first container 10.
Metal testing plate 40 is arranged between the first container 10 and second container 20, and can be set to one side the first liquid of contact
Body 11 and another side contact second liquid 21.
That is, metal testing plate 40 can be set to separate the first storage area 13 of the first container 10 and second container 20
With the connected component of the second storage area 23.Part and second container 20 and gold between the first container and metal testing plate 40
Belong to and sealing unit 41 can be set on the part between test piece 40 respectively.
Sealing unit 41 may include the first sealing unit 41a being arranged between the first container 10 and metal testing plate 40 and
It is arranged on the second sealing unit 41b between second container 20 and metal testing plate 40.Therefore, sealing unit 41 can be carried out stably
Sealing is in order to avoid the first liquid 11 and second liquid 21 leak into outside.
Metal testing plate 40 is conductive material, is attached to power supply unit 50 and plays cathode function.Also, it is arranged on
Reaction electrode 30 inside second storage area 23 of two containers 20 is attached to power supply unit 50 and plays anode function.
As described above, the two sides of metal testing plate 40 is contacted with across the liquid 11 of metal testing plate 40 first and second liquid 21,
The hydrogen produced by the startup of power supply unit 50 in electrolyte is second liquid 21 can be diffused into the inside of metal testing plate 40.Connect
, hydrogen is diffused into behind the inside of metal testing plate 40, can be discharged towards the direction of the first liquid 11 of the first container 10.
As described above, when hydrogen release is put into the inside of the first container 10, it is molecule shape to be discharged into the hydrogen inside the first container 10
Formula, bubble hydrogen can be produced in the inside of the first liquid 11.Because bubble hydrogen is discharged into the inside of the first container 10, the first liquid
Body 11 can be discharged to the outside of the first container 10, and the amount of discharge is equivalent to bubble hydrogen volume.First discharged from the first container 10
Liquid 11 can be stored into the 3rd container 60 by discharging tube 61.
3rd container 60 is located remotely from the lower section of the first container 10, optionally storage discharged by discharging tube 61 the
One liquid 11.The 3rd container 60 is illustrated in the present embodiment and is arranged on the lower section of the first container 10, but is not limited thereto,
Position can also suitably be changed, the liquid level of the 3rd container 60 is located at lower section than the liquid level of the first container 10.Make discharge opeing
Tapping valve is opened in the end of pipe 61 in the state of being located at the inside of the 3rd container 60, is added the first liquid by the first injection unit
To the 3rd container 60, submerged in the end of discharging tube 61 in the state of first liquid of the 3rd container 60, implement power supply with regard to that can enter
Row hydrogen permeability test.
Tapping valve 61a is set on discharging tube 61, and as tapping valve 61a is opened, the first liquid 11 of the first container 10 can
It is moved to the 3rd container 60.
That is, when tapping valve 61a is opened, if adding the first liquid 11, first by the first injection unit 15
The inside of pressure from the first container 10 produced by the bubble hydrogen that liquid 11 is produced by metal testing plate 40 passes through discharging tube 61
Extrude and enter the 3rd container 60.
In addition, the 3rd container 60 can carry out weight survey by weighing cell 70 in the state of the first liquid 11 is stored
It is fixed.
Weighing cell 70 is arranged on the lower section of the 3rd container 60, can the container 60 of the real time measure the 3rd weight, so as to
Confirm that the first liquid 11 discharge the amount of the 3rd container 60 from the first container 10.Therefore, hydrogen can be determined to press by metal testing plate 40
Time is discharged to the amount inside the first container 10, so as to determine the hydrogen permeability of metal.
As described above, the hydrogen that the measure of hydrogen in metal diffusion coefficients device 100 of the present invention passes through metal testing plate 40
Permeability, hydrogen in metal diffusion coefficient can be determined exactly with this.
Preferred embodiments of the present invention have been disclosed for illustrative above, but the invention is not limited in this, in claims
With in the range of specification and accompanying drawing can deformation implementation in a variety of ways, these fall within the scope of the present invention.
Symbol description
10:First container 11:First liquid
13:First storage area 15:First injection unit
15a:Switch valve 20:Second container
21:Second liquid 23:Second storage area
25:Second injection unit 27:Overflow pipe
30:Reaction electrode 40:Metal testing plate
50:Power supply unit 60:3rd container
61:Discharging tube 61a:Tapping valve
70:Weighing cell
Claims (9)
1. a kind of hydrogen in metal diffusion coefficients device, including:
First container, its liquid of internal reservoir first of first container;
Second container, the second container is arranged on the top of the first container and storage second liquid;
Metal testing plate, the metal testing plate is arranged between first container and the second container and is arranged to one side and another
First liquid and the second liquid are simultaneously contacted respectively;
Reaction electrode, the reaction electrode is arranged on the inside of the second container;
Power supply unit, said supply unit is powered to the metal testing plate and the reaction electrode, with from the metal testing plate
The inside production hydrogen of one lateral first liquid;
3rd container, the 3rd container is connected with first container, the part shifting of first liquid after the production hydrogen
Move the 3rd container;And
Weighing cell, the weighing cell determines the weight of the 3rd container.
2. hydrogen in metal diffusion coefficients device according to claim 1, wherein,
First liquid is distilled water or glycerine, and the second liquid is electrolyte.
3. hydrogen in metal diffusion coefficients device according to claim 2, wherein,
A part of the reservoir volume equivalent to first liquid of the hydrogen volume in 3rd container.
4. hydrogen in metal diffusion coefficients device according to claim 1, wherein,
First container forms the first opening that oriented side is opened, and is respectively arranged with the of injection first liquid
The discharge opeing unit of a part for one injection unit and discharge first liquid.
5. hydrogen in metal diffusion coefficients device according to claim 4, wherein,
First container is provided with the first sealing unit on the part contacted with the metal testing plate.
6. hydrogen in metal diffusion coefficients device according to claim 5, wherein,
The second container forms the second opening that oriented side is opened, and is provided with the second note for injecting the second liquid
Enter unit.
7. hydrogen in metal diffusion coefficients device according to claim 6, wherein,
The second container is provided with the second sealing unit on the part contacted with the metal testing plate.
8. hydrogen in metal diffusion coefficients device according to claim 6, wherein,
The second liquid is provided with the second container and exceedes the overflow pipe that predetermined altitude is just discharged.
9. hydrogen in metal diffusion coefficients device according to claim 1, wherein,
The metal testing plate is negative electrode, and the reaction electrode is anode.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20150186279 | 2015-12-24 | ||
KR10-2015-0186279 | 2015-12-24 |
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CN106969993A true CN106969993A (en) | 2017-07-21 |
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CN201611197369.1A Pending CN106969993A (en) | 2015-12-24 | 2016-12-22 | Hydrogen in metal diffusion coefficients device |
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LU (1) | LU93400B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109813634A (en) * | 2019-01-01 | 2019-05-28 | 中国人民解放军63653部队 | For obtaining the improvement electromigration experimental technique of nuclein migration parameter |
CN110687019A (en) * | 2019-10-30 | 2020-01-14 | 华中科技大学 | Device and method for electrochemical hydrogen permeation measurement in high-temperature environment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109813634A (en) * | 2019-01-01 | 2019-05-28 | 中国人民解放军63653部队 | For obtaining the improvement electromigration experimental technique of nuclein migration parameter |
CN110687019A (en) * | 2019-10-30 | 2020-01-14 | 华中科技大学 | Device and method for electrochemical hydrogen permeation measurement in high-temperature environment |
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LU93400B1 (en) | 2018-08-24 |
LU93400A1 (en) | 2018-07-24 |
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Application publication date: 20170721 |