CN107238612B - A kind of the fixation device and its fixing means of high-temperature particle irradiation sample - Google Patents
A kind of the fixation device and its fixing means of high-temperature particle irradiation sample Download PDFInfo
- Publication number
- CN107238612B CN107238612B CN201710382407.9A CN201710382407A CN107238612B CN 107238612 B CN107238612 B CN 107238612B CN 201710382407 A CN201710382407 A CN 201710382407A CN 107238612 B CN107238612 B CN 107238612B
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- China
- Prior art keywords
- sample
- copper sheet
- guide rail
- fixing means
- clamp
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
Abstract
The invention discloses a kind of fixation device of high-temperature particle irradiation sample and its fixing means, including the sample clamp being fixed by the bracket in irradiation apparatus, the sample clamp is vertical slab construction, plate face is equipped with the multiple arcs hollow out guide rail being centrosymmetric with face plate center, and the radian of the arc hollow out guide rail deviates from plate face center curvature；Each arc hollow out guide rail is passed through for screw and screw screws with compatible nut and locks matched gasket, one copper sheet is pressed in the plate face of sample clamp by the gasket, the copper sheet pushes down the edge of sample, and sample is fixed on sample clamp by the corresponding copper sheet mutual cooperation of each arc hollow out guide rail.The fixing means that the fixed device of the present invention is combined using screw, copper sheet, the problem of conduction adhesiveness reduces when can effectively avoid high temperature, it is not influenced by sample surfaces finish, offset the influence of gravity suffered by sample itself, the unfavorable factor that conducting resinl caking ability reduces when overcoming high temperature, improve test efficiency, saved research cost, more securely, efficiently, environmental protection.
Description
Technical field
The present invention relates to a kind of particle irradiation experimental facilities, and in particular to a kind of fixation device of particle irradiation sample and its
Fixing means.
Background technique
In recent years, high energy particle irradiation technique starts more and more to be applied to investigation of materials field.Currently used spoke
Include ion, neutron and proton according to particle, high energy particle irradiation test is carried out to material using different particles, in investigation of materials
Field has obtained wide application, especially in the simulation radiation research field of nuclear power metal material.
No matter which kind of particle irradiation is used, cannot all avoid " how material is placed in and irradiates terminal to realize particle irradiation "
This critical issue.Under normal circumstances, for irradiation test under room temperature, can be met with common conductive glue to sample
It is fixed to require.Conducting resinl is a kind of adhesive for being provided simultaneously with electric conductivity and adhesive property, it can be by a variety of conductive materials
It links together, makes to be connected the access that storeroom forms electricity.But (such as high temperature) carries out particle spoke under certain harsh conditions
When according to research, need to consider following influence factor:
(1) adhesion strength of conducting resinl at high temperature is relatively low, and as the temperature rises, and adhesive property also can be with
Reduction；
(2) adhesion strength is influenced by sample surfaces finish, be unable to satisfy rough surface, complex-shaped sample it is viscous
Knot requires；
(3) sample clamp is placed in irradiation terminal, gravity suffered by sample itself, in high temperature together with samples vertical when testing
Under particle impacting, sample is easy to fall off；
(4) particle irradiation is carried out for a long time, under harsh conditions, the adhesion strength of conducting resinl can also reduce.
During high-temperature particle irradiation test, when there is one of the above or a variety of elements, conductive gluing knot is used
Sample will loosen or fall off, and directly result in test failure, make test without repetitive operation.So in hot conditions
When lower development particle irradiation test, this common fixation methods of conductive gluing knot will will cause that test efficiency is low, cost improves,
Largely be no longer satisfied the requirement of high-temperature particle irradiation test.
Summary of the invention
Goal of the invention: in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of secured, efficient, environmental protection
The fixation device and its fixing means of high-temperature particle irradiation sample, to realize the radiation research of different shape, dimension test sample
Fixation work, can be widely applied to high-temperature particle irradiation test field.
Technical solution: the present invention provides a kind of fixation devices of high-temperature particle irradiation sample, including are fixed by the bracket
Sample clamp in irradiation apparatus, the sample clamp be vertical slab construction, and plate face, which is equipped with face plate center, is in
The radian of the symmetrical multiple arcs hollow out guide rail of the heart, the arc hollow out guide rail deviates from plate face center curvature；
Each arc hollow out guide rail is passed through for screw and there is screw compatible nut to screw matched gasket
Locked, a copper sheet is pressed in the plate face of sample clamp by the gasket, and the copper sheet pushes down the edge of sample, each arc hollow out
Sample is fixed on sample clamp by the corresponding copper sheet mutual cooperation of guide rail.
Further, the arc hollow out guide rail shares 4.
Further, the width of the arc hollow out guide rail is 2.0mm, and radian is pi/2.
Further, the quadrangle of the sample clamp is 45 ° of chamferings of polishing, and the upper and lower end of the sample clamp is long
4.0cm high 3.5cm, thick 0.8cm.
Further, the specification of the screw is M2.3, maximum outside diameter 2.28mm, maximum line footpath 1.98mm.
Further, the one side that the copper sheet is contacted with sample keeps bright and clean.
Further, it is 2.0-4.0mm, with a thickness of 0.5-1.0mm, length 2.0- that the copper sheet, which includes a series of width,
The copper sheet of 8.0mm, fixing in sample needs to be chosen according to sample actual size.
Further, the bracket is the pillar of diameter 0.8cm.
A kind of fixing means of high-temperature particle irradiation sample, comprising the following steps:
(1) sample clamp is made using high -pressure water cutting method, and cut out on sample clamp about sample clamp center
The hollow out arc-shaped guide rail that point is centrosymmetric, determination process are as follows: the central point for finding sample clamp by measurement first is set as
Origin establishes rectangular coordinate system, determines the center location coordinate points of each guide rail and the interior arc radius of guide rail, finds guide rail pair
The both ends coordinate for the center of arc's line answered；
(2) sample clamp is fixed in irradiation apparatus, determines practical irradiation position of the particle beam spot on sample clamp；
(3) sample clamp is taken out, sample is gently placed on the irradiating beam spot corresponding position on sample clamp；
(4) it is inserted into screw respectively on each guide rail of sample clamp, suitable copper sheet, wiping is selected according to sample size
Copper sheet one end is gently pushed down the edge of sample, the gasket of screw is pushed down the copper sheet other end, is tightened by copper sheet to ensure that copper sheet cleans
The fixation work of the complete paired samples of nut.
The utility model has the advantages that the fixing means that the fixed device of the present invention is combined using screw, copper sheet, leads when can effectively avoid high temperature
The problem of electric adhesiveness reduces, is not influenced by sample surfaces finish, is offset the influence of gravity suffered by sample itself, is overcome
When high temperature conducting resinl caking ability reduce unfavorable factor, improve test efficiency, saved research cost, more securely, efficiently,
Environmental protection；Meanwhile the present invention can be by alignment jig screw position, the various sizes of copper sheet of selection to realize different shape, size
The fixation of test specimen can be widely applied to high-temperature particle irradiation test field.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sample clamp and bracket；
Fig. 2 is the structural schematic diagram after the completion of embodiment 1 is fixed；
Fig. 3 is the structural schematic diagram after the completion of embodiment 2 is fixed.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
Embodiment:
Embodiment 1: being fixed to having a size of 18mm × 18mm × 1mm sample 4, irradiates sample using a kind of high-temperature particle
The fixation device of product, as shown in Figure 1, including the sample clamp 2 being fixed in irradiation apparatus by bracket 1, bracket 1 is diameter
The pillar of 0.8cm.Sample clamp 2 is vertical slab construction, and the quadrangle of sample clamp 2 is 45 ° of chamferings of polishing, sample clamp
2 upper and lower end long 4.0cm, high 3.5cm, thick 0.8cm.It is engraved there are four being set in plate face with the arc that face plate center is centrosymmetric
The radian of empty guide rail 3, guide rail 3 is bent outwardly away from plate face center.Specifically, the width of arc hollow out guide rail 3 is 2.0mm, radian
For pi/2.
Arc hollow out guide rail 3 passes through for screw 6 and cooperates nut for fixing sample 4.Firstly, the edge of sample 4 is by copper
One end of piece 5 is pushed down, and the other end of copper sheet 5 is pressed together in the plate face of sample clamp 2 by gasket, and 6 spiral shell of screw by screwing
Sample 4 is fixed on sample clamp 2 by the locked gasket of mother.The one side that copper sheet 5 is contacted with sample 4 keeps bright and clean, avoids pollution sample
Product 4.The specification of screw 6 is M2.3, maximum outside diameter 2.28mm, maximum line footpath 1.98mm.Select length be 2mm, width 3mm,
With a thickness of the copper sheet 5 of 1mm.
The fixing means of above-mentioned fixed device the following steps are included:
Step 1: making sample clamp 2, cutting accuracy 0.1mm using high -pressure water cutting method, and cut out on fixture
Four hollow out arc-shaped guide rails 3 being centrosymmetric about 2 central point of sample clamp, determination process are as follows: looked for first by measurement
To the central point of fixture, be set as origin (0,0), establish rectangular coordinate system, the center location of four guide rails 3 be respectively (12.0mm,
12.0mm), (- 12.0mm, 12.0mm), (- 12.0mm, -12.0mm), (12.0mm, -12.0mm), interior arc radius are 5.0mm,
The both ends coordinate of corresponding four 3 center of arc's lines of guide rail be respectively (6.0mm, 12.0mm), (12.0mm, 6.0mm), (- 6.0mm,
12.0mm)、(-12.0mm,6.0mm)、(-12.0mm,-6.0mm)、(-6.0mm,-12.0mm)、(6.0mm,-12.0mm)、
(12.0mm,-6.0mm)；
Step 2: fixture is fixed in irradiation apparatus, practical irradiation position of the particle beam spot on fixture is determined；
Step 3: taking out fixture, sample 4 is gently placed on the irradiating beam spot corresponding position on fixture；
Step 4: being inserted into four screws 6 respectively on four guide rails 3 of fixture, suitable four are selected according to 4 size of sample
Piece copper sheet 5 wipes copper sheet 5 to ensure that copper sheet 5 cleans, 5 one end of copper sheet is gently pushed down to the edge of sample 4, by the gasket of screw 6
5 other end of copper sheet is pushed down, the fixation work of the complete paired samples 4 of nut is tightened.
Irradiation temperature is more than or equal to 300 DEG C, tolerance ± 5 DEG C.4 surface size of test specimen no more than 20mm ×
20mm, thickness are not more than 1.0mm, and 4 surface of sample is handled through mechanical polishing and chemical polishing.
Embodiment 2: pair radius is that the wafer sample 4 of 3.0mm is fixed, roughly the same with embodiment 1, except that
The copper sheet 5 of selection is the copper sheet 5 that length is 8mm.
Claims (8)
1. a kind of fixing means of high-temperature particle irradiation sample, it is characterised in that: fixed device includes being fixed by the bracket in spoke
According to the sample clamp in equipment, the sample clamp is vertical slab construction, and it is in center pair that plate face, which is equipped with face plate center,
The radian of the multiple arcs hollow out guide rail of title, the arc hollow out guide rail deviates from plate face center curvature；
Each arc hollow out guide rail is passed through for screw and screw screws with compatible nut and locks matched gasket,
One copper sheet is pressed in the plate face of sample clamp by the gasket, and the copper sheet pushes down the edge of sample, each arc hollow out guide rail
Sample is fixed on sample clamp by corresponding copper sheet mutual cooperation；
Fixing means the following steps are included:
(1) sample clamp is made using high -pressure water cutting method, and is cut out on sample clamp and is in about sample clamp central point
Centrosymmetric hollow out arc-shaped guide rail, determination process are as follows: the central point for finding sample clamp by measurement first is set as former
Point, establishes rectangular coordinate system, determines the center location coordinate points of each guide rail and the interior arc radius of guide rail, and it is corresponding to find guide rail
Center of arc's line both ends coordinate；
(2) sample clamp is fixed in irradiation apparatus, determines practical irradiation position of the particle beam spot on sample clamp；
(3) sample clamp is taken out, sample is gently placed on the irradiating beam spot corresponding position on sample clamp；
(4) it is inserted into screw respectively on each guide rail of sample clamp, suitable copper sheet is selected according to sample size, wipes copper sheet
To ensure that copper sheet cleans, copper sheet one end is gently pushed down to the edge of sample, the gasket of screw is pushed down into the copper sheet other end, tightens nut
The fixation work of complete paired samples.
2. the fixing means of high-temperature particle irradiation sample according to claim 1, it is characterised in that: the arc hollow out is led
Rail shares 4.
3. the fixing means of high-temperature particle irradiation sample according to claim 1, it is characterised in that: the arc hollow out is led
The width of rail is 2.0mm, and radian is pi/2.
4. the fixing means of high-temperature particle irradiation sample according to claim 1, it is characterised in that: the sample clamp
Quadrangle is 45 ° of chamferings of polishing, the upper and lower end of the sample clamp long 4.0cm, high 3.5cm, thick 0.8cm.
5. the fixing means of high-temperature particle irradiation sample according to claim 1, it is characterised in that: the specification of the screw
For M2.3, maximum outside diameter 2.28mm, maximum line footpath 1.98mm.
6. the fixing means of high-temperature particle irradiation sample according to claim 1, it is characterised in that: the copper sheet and sample
The one side of contact keeps bright and clean.
7. the fixing means of high-temperature particle irradiation sample according to claim 1 or 6, it is characterised in that: the copper sheet packet
Include a series of copper sheet that width are 2.0-4.0mm, are 2.0-8.0mm with a thickness of 0.5-1.0mm, length.
8. the fixing means of high-temperature particle irradiation sample according to claim 1, it is characterised in that: the bracket is diameter
The pillar of 0.8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382407.9A CN107238612B (en) | 2017-05-26 | 2017-05-26 | A kind of the fixation device and its fixing means of high-temperature particle irradiation sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382407.9A CN107238612B (en) | 2017-05-26 | 2017-05-26 | A kind of the fixation device and its fixing means of high-temperature particle irradiation sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107238612A CN107238612A (en) | 2017-10-10 |
| CN107238612B true CN107238612B (en) | 2019-08-20 |
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ID=59985706
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710382407.9A Active CN107238612B (en) | 2017-05-26 | 2017-05-26 | A kind of the fixation device and its fixing means of high-temperature particle irradiation sample |
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| Country | Link |
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| CN (1) | CN107238612B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285141B (en) * | 2020-10-21 | 2022-09-13 | 中国核动力研究设计院 | Preparation method of irradiated reactor structural material SEM sample and sample box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788453A (en) * | 2010-01-06 | 2010-07-28 | 中国科学院近代物理研究所 | High-temperature and stress energetic ion irradiation device |
| CN204725016U (en) * | 2015-05-28 | 2015-10-28 | 南京南车浦镇城轨车辆有限责任公司 | A kind of fixture for laser welding for thin plate |
| CN205786358U (en) * | 2016-07-04 | 2016-12-07 | 苏州阿特斯阳光电力科技有限公司 | A kind of laser microscope Sample testing device |
-
2017
- 2017-05-26 CN CN201710382407.9A patent/CN107238612B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788453A (en) * | 2010-01-06 | 2010-07-28 | 中国科学院近代物理研究所 | High-temperature and stress energetic ion irradiation device |
| CN204725016U (en) * | 2015-05-28 | 2015-10-28 | 南京南车浦镇城轨车辆有限责任公司 | A kind of fixture for laser welding for thin plate |
| CN205786358U (en) * | 2016-07-04 | 2016-12-07 | 苏州阿特斯阳光电力科技有限公司 | A kind of laser microscope Sample testing device |
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| Publication number | Publication date |
|---|---|
| CN107238612A (en) | 2017-10-10 |
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