CN107238612A - The fixing device and its fixing means of a kind of high-temperature particle irradiation sample - Google Patents
The fixing device and its fixing means of a kind of high-temperature particle irradiation sample Download PDFInfo
- Publication number
- CN107238612A CN107238612A CN201710382407.9A CN201710382407A CN107238612A CN 107238612 A CN107238612 A CN 107238612A CN 201710382407 A CN201710382407 A CN 201710382407A CN 107238612 A CN107238612 A CN 107238612A
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- sample
- copper sheet
- guide rail
- clamp
- fixing device
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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
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- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of fixing device of high-temperature particle irradiation sample and its fixing means, including the sample clamp being fixed on by support in irradiation apparatus, the sample clamp is vertical slab construction, plate face is provided 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 that there is the nut being adapted to screw is locked by supporting pad, one copper sheet is pressed in the plate face of sample clamp by the pad, the copper sheet pushes down the edge of sample, and the corresponding copper sheet of each arc hollow out guide rail, which cooperates, is fixed on sample on sample clamp.The fixing means that fixing device of the present invention is combined using screw, copper sheet, the problem of conductive adhesiveness is reduced when can be prevented effectively from high temperature, do not influenceed by sample surfaces finish, offset the influence of gravity suffered by sample itself, the unfavorable factor that conducting resinl caking ability is reduced when overcoming high temperature, improve test efficiency, saved research cost, more firmly, 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 fixing device of particle irradiation sample and its
Fixing means.
Background technology
In recent years, high energy particle irradiation technique starts more and more to be applied to investigation of materials field.The spoke commonly used at present
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 the simulation radiation research field in nuclear power metal material.
No matter which kind of particle irradiation is used, can not all avoided " how material being inserted irradiation terminal to realize particle irradiation "
This key issue.Generally, for the irradiation test under room temperature condition, it can be met to sample with common conductive glue
It is fixed to require.Conducting resinl is a kind of adhesive for being provided simultaneously with electric conductivity and adhesive property, and it can be by a variety of conductive materials
Link together, make to be connected the path that storeroom forms electricity.But (such as high temperature) carries out particle spoke under some harsh conditions
, it is necessary to consider following influence factor during according to research：
(1) adhesion strength of conducting resinl at high temperature is relatively low, and with the rise of temperature, and its adhesive property also can be with
Reduction；
(2) adhesion strength is influenceed by sample surfaces finish, it is impossible to meet rough surface, complex-shaped sample it is viscous
Knot is required；
(3) sample clamp inserts irradiation terminal, Action of Gravity Field 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 under long-time, harsh conditions, the adhesion strength of conducting resinl can also be reduced.
During high-temperature particle irradiation test, when there is one of the above or a variety of key elements, bonded using conducting resinl
Sample will loosen or come off, and directly result in test failure, make experiment must not be without repeating.So, in hot conditions
During lower development particle irradiation test, conducting resinl, which bonds this common fixation methods, will cause that test efficiency is low, cost is improved,
It largely can not meet the requirement of high-temperature particle irradiation test.
The content 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 firm, efficient, environmental protection
The fixing device and its fixing means of high-temperature particle irradiation sample, with realize different shape, dimension test sample radiation research
Fixation work, can be widely applied to high-temperature particle irradiation test field.
Technical scheme：Fixed the invention provides a kind of fixing device of high-temperature particle irradiation sample, including by support
Sample clamp in irradiation apparatus, the sample clamp is vertical slab construction, and plate face provided with being in face plate center
The symmetrical multiple arcs hollow out guide rail of the heart, 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 there is screw the nut being adapted to screw supporting pad
Locked, a copper sheet is pressed in the plate face of sample clamp by the pad, and the copper sheet pushes down the edge of sample, each arc hollow out
The corresponding copper sheet of guide rail, which cooperates, is fixed on sample on sample clamp.
Further, the arc hollow out guide rail has 4.
Further, a width of 2.0mm of the arc hollow out guide rail, radian is pi/2.
Further, the corner 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, the copper sheet is that 2.0-4.0mm, thickness are that 0.5-1.0mm, length are 2.0- including a series of width
Need to be chosen according to sample actual size in 8.0mm copper sheet, fixed sample.
Further, the support is diameter 0.8cm pillar.
A kind of fixing means of high-temperature particle irradiation sample, comprises the following steps：
(1) sample clamp is made using high -pressure water cutting method, and cut out on sample clamp on sample clamp center
The hollow out arc-shaped guide rail being centrosymmetric is put, its determination process is：The central point of sample clamp is found by measurement first, is set to
Origin, sets up rectangular coordinate system, determines the home position coordinate points of each guide rail and the interior arc radius of guide rail, finds guide rail pair
The two ends coordinate for the center of arc's line answered；
(2) sample clamp is fixed in irradiation apparatus, determines actual 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 correspondence position on sample clamp；
(4) screw is inserted respectively on each guide rail of sample clamp, suitable copper sheet is selected according to sample size, wipe
Copper sheet one end is gently pushed down the edge of sample, the pad of screw is pushed down into the copper sheet other end, tightened by copper sheet to ensure that copper sheet is cleaned
The fixation work of the complete paired samples of nut.
Beneficial effect：The fixing means that fixing device of the present invention is combined using screw, copper sheet, leads when can be prevented effectively from high temperature
The problem of electric adhesiveness is reduced, is not influenceed by sample surfaces finish, is offset the influence of gravity suffered by sample itself, is overcome
During high temperature conducting resinl caking ability reduce unfavorable factor, improve test efficiency, saved research cost, more firmly, efficiently,
Environmental protection；Meanwhile, the present invention can realize different shape, size by alignment jig screw position, the various sizes of copper sheet of selection
The fixation of test specimen, can be widely applied to high-temperature particle irradiation test field.
Brief description of the drawings
Fig. 1 is the structural representation of sample clamp and support；
Fig. 2 is the structural representation after the completion of embodiment 1 is fixed；
Fig. 3 is the structural representation after the completion of embodiment 2 is fixed.
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：Size is fixed for 18mm × 18mm × 1mm sample 4, sample is irradiated using a kind of high-temperature particle
The fixing device of product, as shown in figure 1, including the sample clamp 2 being fixed on by support 1 in irradiation apparatus, support 1 is diameter
0.8cm pillar.Sample clamp 2 is vertical slab construction, and the corner 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.Plate face is engraved provided with four arcs being centrosymmetric with face plate center
Empty guide rail 3, the radian of guide rail 3 is bent outwardly away from plate face center.Specifically, a width of 2.0mm of arc hollow out guide rail 3, radian
For pi/2.
Arc hollow out guide rail 3 passes through for screw 6 and coordinates nut to be used to fix sample 4.First, 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 on by pad in the plate face of sample clamp 2, and the spiral shell of screw 6 by screwing
Sample 4 is fixed on sample clamp 2 by female locked pad.The one side that copper sheet 5 is contacted with sample 4 keeps bright and clean, it is to avoid pollution sample
Product 4.The specification of screw 6 is M2.3, maximum outside diameter 2.28mm, maximum line footpath 1.98mm.From length be 2mm, width be 3mm,
Thickness is 1mm copper sheet 5.
The fixing means of above-mentioned fixing device comprises the following steps：
The first step：Sample clamp 2 is made using high -pressure water cutting method, cutting accuracy is 0.1mm, and cut out on fixture
Four hollow out arc-shaped guide rails 3 for being centrosymmetric on the central point of sample clamp 2, its determination process is：Looked for first by measurement
To the central point of fixture, be set to origin (0,0), set up rectangular coordinate system, the home positions 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,
Correspondence four center of arc's lines of guide rail 3 two ends coordinate 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)；
Second step：Fixture is fixed in irradiation apparatus, actual irradiation position of the particle beam spot on fixture is determined；
3rd step：Fixture is taken out, sample 4 is gently placed on the irradiating beam spot correspondence position on fixture；
4th step：Four screws 6 are inserted respectively on four guide rails 3 of fixture, and suitable four are selected according to the size of sample 4
Piece copper sheet 5, wipes copper sheet 5 to ensure that copper sheet 5 is cleaned, the one end of copper sheet 5 is gently pushed down to the edge of sample 4, by the pad of screw 6
The other end of copper sheet 5 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, it is allowed to deviation ± 5 DEG C.The surface size of test specimen 4 be not more than 20mm ×
20mm, thickness is not more than 1.0mm, and the surface of sample 4 is handled through mechanical polishing and chemical polishing.
Embodiment 2：Pair radius is fixed for 3.0mm wafer sample 4, roughly the same with embodiment 1, except that
The copper sheet 5 of selection is the copper sheet 5 that length is 8mm.
Claims (9)
1. a kind of fixing device of high-temperature particle irradiation sample, it is characterised in that：Including being fixed on by support in irradiation apparatus
Sample clamp, the sample clamp be vertical slab construction, plate face be provided with face plate center be centrosymmetric it is multiple
Arc hollow out guide rail, 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 that there is the nut being adapted to screw is locked by supporting pad,
One copper sheet is pressed in the plate face of sample clamp by the pad, and the copper sheet pushes down the edge of sample, each arc hollow out guide rail
Corresponding copper sheet cooperates and sample is fixed on sample clamp.
2. the fixing device of high-temperature particle irradiation sample according to claim 1, it is characterised in that：The arc hollow out is led
Rail has 4.
3. the fixing device of high-temperature particle irradiation sample according to claim 1, it is characterised in that：The arc hollow out is led
A width of 2.0mm of rail, radian is pi/2.
4. the fixing device of high-temperature particle irradiation sample according to claim 1, it is characterised in that：The sample clamp
Corner is 45 ° of chamferings of polishing, the upper and lower end long 4.0cm, high 3.5cm, thick 0.8cm of the sample clamp.
5. the fixing device 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 device 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 device of the high-temperature particle irradiation sample according to claim 1 or 6, it is characterised in that：The copper sheet bag
It is that 2.0-4.0mm, thickness are the copper sheet that 0.5-1.0mm, length are 2.0-8.0mm to include a series of width.
8. the fixing device of high-temperature particle irradiation sample according to claim 1, it is characterised in that：The support is diameter
0.8cm pillar.
9. the fixing means of high-temperature particle irradiation sample according to claim 1, it is characterised in that：Comprise the following steps：
(1) sample clamp is made using high -pressure water cutting method, and is cut out on sample clamp and be on sample clamp central point
Centrosymmetric hollow out arc-shaped guide rail, its determination process is：The central point of sample clamp is found by measurement first, is set to former
Point, sets up rectangular coordinate system, determines the home position coordinate points of each guide rail and the interior arc radius of guide rail, finds guide rail correspondence
Center of arc's line two ends coordinate；
(2) sample clamp is fixed in irradiation apparatus, determines actual 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 correspondence position on sample clamp；
(4) screw is inserted respectively on each guide rail of sample clamp, suitable copper sheet is selected according to sample size, wipe copper sheet
To ensure that copper sheet is cleaned, copper sheet one end is gently pushed down to the edge of sample, the pad of screw is pushed down into the copper sheet other end, nut is tightened
The fixation work of complete paired samples.
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 true CN107238612A (en) | 2017-10-10 |
| CN107238612B CN107238612B (en) | 2019-08-20 |
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ID=59985706
Family Applications (1)
| 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285141A (en) * | 2020-10-21 | 2021-01-29 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285141A (en) * | 2020-10-21 | 2021-01-29 | 中国核动力研究设计院 | Preparation method of irradiated reactor structural material SEM sample and sample box |
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| Publication number | Publication date |
|---|---|
| CN107238612B (en) | 2019-08-20 |
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