CN107966462A - A kind of aircraft small sample X-ray tomography in-situ testing device - Google Patents
A kind of aircraft small sample X-ray tomography in-situ testing device Download PDFInfo
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- CN107966462A CN107966462A CN201711156028.4A CN201711156028A CN107966462A CN 107966462 A CN107966462 A CN 107966462A CN 201711156028 A CN201711156028 A CN 201711156028A CN 107966462 A CN107966462 A CN 107966462A
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 21
- 238000003325 tomography Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 230000007613 environmental effect Effects 0.000 claims abstract description 29
- 150000003839 salts Chemical class 0.000 claims abstract description 28
- 230000005469 synchrotron radiation Effects 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000008399 tap water Substances 0.000 claims description 7
- 235000020679 tap water Nutrition 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002196 Pyroceram Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012512 characterization method Methods 0.000 abstract description 5
- 238000003384 imaging method Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010429 evolutionary process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- -1 stress corrosion Substances 0.000 description 1
Classifications
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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
- G01N23/02—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 by transmitting the radiation through the material
- G01N23/04—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 by transmitting the radiation through the material and forming images of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
A kind of small sample X-ray tomography in-situ testing device, based on synchrotron radiation X-ray chromatographic imaging system and industry CT, mounting and clamping system is loaded by designing high-temperature salt bath environmental chamber, heating condenser system and sample, the three-dimensional dynamic characterization measurement in situ of stress, temperature, the lower small sample of high salinity coupling ring border effect is realized, simultaneously because synchrotron radiation X-ray tomography large scientific facilities have micron to the spatial resolution of nanometer scale.
Description
Technical field
The present invention relates to reliability test measuring technology, particularly a kind of aircraft small sample X-ray tomography is in situ
Test device.
Background technology
The aircraft such as carrier rocket, military satellite, various guided missile apply a large amount of intelligent miniature devices, develop, production,
Its quality testing, accident analysis, accurate reparation etc. propose high-precision three-dimensional non-destructive testing technology very high during military service
It is required that while intelligent miniature device occurs that local corrosion, crackle are sprouted under the environment coupled actions such as stress, temperature, high salinity
The environment sensitive failure phenomenon such as raw, there is an urgent need for a kind of high-precision non-destructive testing technology that can be used under multiple environmental conditions and instrument to set
It is standby.On the other hand, aircraft component material such as aluminium alloy, stainless steel, height under the extreme environmental conditions such as complicated sea situation, near space
The easily generation failure fracture such as Qiang Gang, composite material, such as stress corrosion, hydrogen embrittlement, fatigue, and the micromechanism of these failure fractures
Particularly three-dimensional dynamic process in situ is unclear, and a kind of original is also required to from the failure mechanism of minute yardstick parsing engineering material in situ
Bit test technology.At present, X-ray tomography in-situ characterization technology is applied to the fields such as room temperature uniaxial tension, high temperature founding,
Used experiment test system includes the microtensile based on synchrotron radiation X-ray tomography large scientific facilities or industry CT
Machine, form high temperature furnace etc., but it is three-dimensional former to be also difficult to realize stress, temperature, the lower aircraft small sample of high salinity coupling ring border effect
Position characterization measurement.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides one kind can be in stress, temperature, the effect of high salinity coupling ring border
The dynamic test in situ three-dimensional with nonmetallic sample of lower micro metal and the skill of aircraft intelligent miniature device defects high-acruracy survey
Art, solve existing small sample in-situ test system three-dimensional imaging and structure cannot answer in the case where high temperature stress fused salt couples environmental activity
Miscellaneous, unhandy deficiency.
Based on synchrotron radiation X-ray chromatographic imaging system and industry CT, by designing high-temperature salt bath environmental chamber, heating
Condenser system and sample loading mounting and clamping system, it is three-dimensional in situ to realize stress, temperature, the lower small sample of high salinity coupling ring border effect
Dynamic characterization measures, simultaneously because synchrotron radiation X-ray tomography large scientific facilities have micron to the space of nanometer scale
Resolution ratio, measuring technology described in this patent can realize that detection and failure are accurate in high precision to aircraft intelligent miniature device defects
Analyzing and positioning.
Technical solution is used by the device：Aircraft small sample X-ray tomography in-situ testing device include with
Loading system that synchrotron radiation X-ray tomography large scientific facilities or industry CT turntable are connected by fastening bolt, temperature control
System, condenser system, sample mounting and clamping system and salt bath environmental chamber.
The loading system is made of fixed plate, fixed link, spring, nut and force application rod, wherein upper force application rod is by screw thread
Part and smooth part composition, threaded portion are connected with nut, and compressing spring by turn-knob nut makes upper force application rod generation upward
Pulling force, smooth part is connected with fixed link, rotates to avoid force application rod during turn-knob nut, and lower force application rod and fixed plate
Connection, plays fixation；
The temperature-controlling system is made of resistance heating coil, temperature controller and thermometer, is preset by temperature controller
Experimental temperature keeps the temperature at experiment setting value, wherein thermometer to control the resistance heating coil being electrically connected with 220V cities
Play calibration function；
The condenser system is made of condenser pipe and water inlet pipe and water outlet pipe, water inlet pipe and room temperature tap water below condenser pipe
Tap is connected, and the outlet pipe above condenser pipe is connected with laboratory drainage system, to ensure that room temperature tap water makes high temperature
The salt bath steam condensing reflux of evaporation is to salt bath solution；
The sample mounting and clamping system passes through spiral shell by force application rod and small sample sample composition, wherein force application rod with small sample sample
Line is fastenedly connected；
The salt bath environmental chamber is made of circular environmental chamber and rubber stopper, wherein circular environmental chamber is by pyroceram system
Into, and the gap between circular environmental chamber and force application rod, thermometer is by rubber stopper seal.
Compared with prior art, the application has following marked improvement：
It is three-dimensional in situ to realize stress, temperature, the lower micro metal of high salinity coupling ring border effect and nonmetallic sample X-ray
Dynamic test and aircraft intelligent miniature device defects high-acruracy survey, apply stress, temperature, salinity and adjust, and maximum carries
Lotus reaches 180N, and temperature range is room temperature to 200 DEG C, saturated salt angle value of the maximum salt angle value corresponding to each temperature；Surveyed lab scale
Sample can be the intelligent miniature devices such as pole type, prismatic, sheet and smooth, notch metal and nonmetallic sample, disclosure satisfy that multiple
Precisely detection characterizes different shape aircraft device fault with small sample microcell three-dimensional appearance dynamic in-situ under heterocycle border.This patent
The test system manufacture cost is low, and structural principle is simple, miniature portable, easy to operate, securely and reliably, has very big generalization
And universality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is aircraft small sample X-ray tomography in-situ testing device schematic diagram
Fig. 2 is aircraft small sample X-ray tomography in-situ testing technique schematic diagram
Embodiment
The present invention is further described with reference to embodiment.
Embodiment 1
As shown in Figs. 1-2, a kind of aircraft small sample X-ray tomography in-situ testing device, including with synchrotron radiation X
It is loading system that ray path tomography large scientific facilities or industry CT turntable 8 are connected by fastening bolt 6, temperature-controlling system, cold
Solidifying system, sample mounting and clamping system and salt bath environmental chamber 3, it is characterised in that the loading system is by fixed plate 7, fixed link 11, bullet
Spring 12, nut 13 and force application rod composition, the force application rod are divided into force application rod 21 and lower force application rod 22, are filled between upper and lower force application rod
Sample 16 is pressed from both sides, wherein upper force application rod 21 is made of threaded portion and smooth part, threaded portion is connected with nut 13, passes through turn-knob
Nut compression spring makes force application rod 21 produce upward pulling force, and smooth part is connected with fixed link 11, to avoid turn-knob nut
When force application rod rotate, and lower force application rod 22 is connected with fixed plate 7, plays fixation；The temperature-controlling system is by resistance heating
Coil 4, temperature controller 5 and thermometer 10 form, and thermometer 10 is placed in salt bath environmental chamber 3, is preset by temperature controller
Experimental temperature keeps the temperature at experiment setting value, the condensed system to control the resistance heating coil being electrically connected with 220V cities
System is made of condenser pipe 1 and water inlet pipe and water outlet pipe 2, and the water inlet pipe 2 below condenser pipe is connected with room temperature tap water tap, is located at
Outlet pipe 23 above condenser pipe is connected with laboratory drainage system, to ensure that room temperature tap water makes the salt bath steam of high temperature evaporation
Condensing reflux is to salt bath solution.
The sample mounting and clamping system passes through spiral shell by force application rod and small sample sample composition, wherein force application rod with small sample sample
Line is fastenedly connected.
The salt bath environmental chamber 3 is made of circular environmental chamber and rubber stopper 15, wherein circular environmental chamber is by pyroceram
It is made, and the gap between circular environmental chamber and force application rod, thermometer is by rubber stopper seal.
The implementation of this in-situ testing device is as follows：
1) by 16 clamping of small sample on lower force application rod, lower force application rod connects rubber stopper seal salt bath environmental chamber, and fixed
In the fixed plate being connected with synchrotron radiation X-ray imaging large scientific facilities or industry CT turntable；
2) upper force application rod is connected with small sample clamping, upper force application rod connects rubber stopper seal salt bath environmental chamber, upper force
Bar is connected to avoid rotating by fixed link with salt bath environmental chamber；
3) spring is inserted in upper force application rod, by force application rod in nut precession and pretensioned spring；
4) the salt bath solution that injection is prepared；
5) thermometer is inserted into salt bath solution and sealing salt bath environmental chamber is connected with rubber stopper；
6) water inlet pipe of condenser pipe lower part is connected into room temperature running water tap, the outlet pipe connection experiment on condenser pipe top
Room drainage system is simultaneously continually fed into room temperature tap water cooling；
7) temperature value is set as by experimental temperature by temperature controller and starts heating schedule；
8) when the constant temperature of salt bath solution in salt bath environmental chamber is in experimental temperature, knob nut compression spring starts to add
Carry, the equivalent load of the compressed deflection of spring is to apply load；
9) under experiment setting stress, temperature, salinity coupling environmental activity, synchrotron radiation X-ray tomography big science
Device or industry CT open work, i.e., beam of x-rays passes through is rotated lab scale under salt bath environmental activity by 0 ° to 180 ° of constant load
Sample, per 17 acquisition and recording of precession certain angle CCD camera, one frame perspective view 18,180 ° of rotation records one group of perspective view 18, warp
Business software carries out three-dimensionalreconstruction to small sample microcell and obtains small sample three-dimensional structure pattern 19, thus completes a small sample
X-ray tomography is tested.
10) test of X-ray tomography as above, is repeated several times, you can characterization constant temperature perseverance salinity constant load environment
The lower aircraft small sample microcell three-dimensional appearance original position evolutionary process of effect and multi-environment coupling mechanism, while can knob nut
Apply stepping load, characterize with load change aircraft small sample microcell three-dimensional appearance original position evolutionary process and stress machine
System.
Claims (3)
1. a kind of aircraft small sample X-ray tomography in-situ testing device, including it is big with synchrotron radiation X-ray tomography
Science apparatus or industry CT turntable (8) pass through the connected loading system of fastening bolt (6), temperature-controlling system, condenser system, sample
Mounting and clamping system and salt bath environmental chamber (3), it is characterised in that the loading system is by fixed plate (7), fixed link (11), spring
(12), nut (13) and force application rod composition, the force application rod are divided into force application rod (21) and lower force application rod (22), upper and lower force application rod
Between clamping sample (16), wherein upper force application rod (21) is made of threaded portion and smooth part, threaded portion and nut (13)
Connection, compressing spring by turn-knob nut makes upper force application rod (21) produce upward pulling force, smooth part and fixed link (11) phase
Even, rotate to avoid force application rod during turn-knob nut, and lower force application rod (22) is connected with fixed plate (7), plays fixation；Institute
State temperature-controlling system to be made of resistance heating coil (4), temperature controller (5) and thermometer (10), thermometer (10) is placed in salt bath
In environmental chamber (3), experimental temperature is preset to control the resistance heating coil being electrically connected with 220V cities by temperature controller, makes temperature
Degree is maintained at experiment setting value, and the condenser system is made of condenser pipe (1) and water inlet pipe and water outlet pipe (2), below condenser pipe
Water inlet pipe (2) is connected with room temperature tap water tap, the outlet pipe (23) above condenser pipe and laboratory drainage system phase
Even, to ensure that room temperature tap water makes the salt bath steam condensing reflux of high temperature evaporation to salt bath solution.
2. aircraft small sample X-ray tomography in-situ testing device according to claim 1, it is characterised in that：Institute
Sample mounting and clamping system is stated by force application rod and small sample sample composition, wherein force application rod with small sample sample by screw threads for fastening to be connected
Connect.
3. aircraft small sample X-ray tomography in-situ testing device according to claim 2, it is characterised in that：Institute
Salt bath environmental chamber (3) is stated to be made of circular environmental chamber and rubber stopper (15), wherein circular environmental chamber is made of pyroceram, and
Gap between circular environmental chamber and force application rod, thermometer is by rubber stopper seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156028.4A CN107966462A (en) | 2017-11-20 | 2017-11-20 | A kind of aircraft small sample X-ray tomography in-situ testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156028.4A CN107966462A (en) | 2017-11-20 | 2017-11-20 | A kind of aircraft small sample X-ray tomography in-situ testing device |
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| Publication Number | Publication Date |
|---|---|
| CN107966462A true CN107966462A (en) | 2018-04-27 |
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ID=62001372
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711156028.4A Pending CN107966462A (en) | 2017-11-20 | 2017-11-20 | A kind of aircraft small sample X-ray tomography in-situ testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760500A (en) * | 2018-06-12 | 2018-11-06 | 哈尔滨工业大学 | A kind of drawing stand for synchrotron radiation light source CT imagings |
| CN109975106A (en) * | 2019-04-09 | 2019-07-05 | 大连理工大学 | A kind of radioprotector of pair of CT scan rock joint shear test |
| CN111413360A (en) * | 2020-05-22 | 2020-07-14 | 南京力变仪器有限公司 | In-situ stress corrosion test device for X-ray microscope |
| CN112213340A (en) * | 2020-10-16 | 2021-01-12 | 郑州大学 | Sample table for on-line determination of crystal structure and determination method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760500A (en) * | 2018-06-12 | 2018-11-06 | 哈尔滨工业大学 | A kind of drawing stand for synchrotron radiation light source CT imagings |
| CN109975106A (en) * | 2019-04-09 | 2019-07-05 | 大连理工大学 | A kind of radioprotector of pair of CT scan rock joint shear test |
| CN111413360A (en) * | 2020-05-22 | 2020-07-14 | 南京力变仪器有限公司 | In-situ stress corrosion test device for X-ray microscope |
| CN112213340A (en) * | 2020-10-16 | 2021-01-12 | 郑州大学 | Sample table for on-line determination of crystal structure and determination method thereof |
| CN112213340B (en) * | 2020-10-16 | 2023-07-21 | 郑州大学 | Sample stage for on-line determination of crystal structure and determination method thereof |
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Application publication date: 20180427 |