CN105388074B - A kind of in-situ temperature loading device for neutron diffraction - Google Patents
A kind of in-situ temperature loading device for neutron diffraction Download PDFInfo
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- CN105388074B CN105388074B CN201510872056.0A CN201510872056A CN105388074B CN 105388074 B CN105388074 B CN 105388074B CN 201510872056 A CN201510872056 A CN 201510872056A CN 105388074 B CN105388074 B CN 105388074B
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Abstract
The invention provides a kind of in-situ temperature loading device for neutron diffraction, described device includes body of heater cavity, base, entrance window oralia, exit window oralia, high-temperature extensometer, leg A fenestrated membranes, leg B fenestrated membranes, left side fixture, right side fixture, left side fixture packing ring, right side fixture packing ring, left side cooling jacket, right side cooling jacket, top cooling jacket.The features of the present invention be neutron entrance aperture is opened up on body of heater cavity, neutron perforation hole, two fixture holes, two extensometers measure leg probe holes, it is allowed to measure neutron directly by that while can be measured in real time sample deformation amount.The present invention coordinates Neutron diffractometer to use, combine the neutron diffraction in-situ mechanical temperature combinational environment loading experiment for the national standard for carrying out meeting high temperature tension test to sample with neutron diffraction in-situ mechanical device, help to recognize temperature, mechanics compound condition to the mechanism of action of the internal microstructure of specimen material.
Description
Technical field
Environment loading technique field in being applied the invention belongs to neutron diffraction, and in particular to a kind of for neutron diffraction
In-situ temperature loading device.
Background technology
Neutron diffraction techniques have Non-Destructive Testing and deep penetration characteristic, can carry out interior microscopic to the metal material of Centimeter Level
Structure and stress distribution carry out direct measurement.In research temperature, mechanics combinational environment to the internal microstructure of specimen material
During influencing mechanism, temperature need to be carried out to sample according to the national standard of high temperature tension test using in-situ temperature, mechanical loading unit
Degree, mechanical environment loading, recycle Neutron diffractometer to measure the microstructure of sample interior.At present, domestic neutron
Diffractive technology is in the starting stage, and the design of in situ environment equipment is also less.It is entitled《It is a kind of for neutron diffraction techniques
In-situ stress-temperature loading device》Chinese patent（The patent No.：201310032334）Disclose a kind of for neutron diffraction
In-situ stress-temperature loading device, the reserved extensometer of high temperature furnace module in the device use space, in turn result in development reality
Can not direct measurement sample deformation amount during testing, it is impossible to meet the national standard of tensile test at high temperature.
The content of the invention
In order to overcome the state that the fault of construction of device in the prior art causes measurement process to meet tensile test at high temperature
The deficiency of family's standard, the invention provides a kind of in-situ temperature loading device of neutron diffraction, can realize and outside original position
Mechanical loading unit is used in combination, while carries out direct measurement to the deformation quantity of sample using high-temperature extensometer.
Realize that technical scheme is as follows
A kind of in-situ temperature loading device for neutron diffraction, it is characterised in that：Described device includes body of heater cavity, bottom
Seat, entrance window oralia, exit window oralia, high-temperature extensometer, leg A fenestrated membranes, leg B fenestrated membranes, left side fixture, right side fixture, a left side
Side fixture packing ring, right side fixture packing ring, left side cooling jacket, right side cooling jacket, top cooling jacket；Described body of heater cavity
On open up neutron entrance aperture, neutron perforation hole, two fixture holes, two extensometers measurement leg probe holes；Its annexation is,
Described body of heater cavity is fixed on base；Described entrance window oralia, exit window oralia, left side fixture packing ring, right side fixture
Packing ring, leg A fenestrated membranes, leg B fenestrated membranes are sequentially coated on the outside of the neutron entrance aperture of body of heater cavity, neutron outgoing using screw
The outside in hole, the outside in the fixture hole in left side, right side fixture hole outside, left side extensometer measurement leg probe hole outside,
The outside of right side extensometer measurement leg probe hole；Described left side cooling jacket, right side cooling jacket are separately fixed at left side
On fixture, right side fixture, top cooling jacket is fixed on above body of heater cavity, water inlet and the outside of left side cooling jacket
The delivery port of water supply pump is connected using rubber water pipe, and the delivery port of left side cooling jacket utilizes with the water inlet of right side cooling jacket
Rubber water pipe is connected, and the delivery port of right side cooling jacket is connected with the water inlet of top cooling jacket using rubber water pipe, top
The delivery port of cooling jacket is connected with the water return outlet of the water supply pump of outside using rubber water pipe；One end of described left side fixture,
One end of right side fixture is connected respectively to using screw thread on two loading ends of the in-situ mechanical stretching device of outside, left side fixture
The other end, the other end of right side fixture is connected with sample；Described high-temperature extensometer is fixed on base, its two measurement branch
Pin is touched on sample；Described base is fixed on the base of the mechanical loading unit of outside.
The measurement leg of described high-temperature extensometer is the cylindrical rod of high-temperature ceramic materials, and contact sample end is edge of a knife shape,
It is clamped in using the cordage with spring on base.
The extensometer measurement leg probe hole of described body of heater cavity is rounded rectangle shape, the diameter of fillet and rectangle
Wide size is identical；The diameter dimension in the fixture hole of described body of heater cavity is bigger 2mm than fixture diameter dimension；Described body of heater cavity
Neutron entrance aperture, neutron perforation hole, fixture hole, extensometer measurement leg probe hole outer rim open up screwed hole.
Described body of heater inside cavity laying heater strip, and fill insulation fibre material.
Described entrance window oralia, exit window oralia use fine aluminium or fabricated from sapphire, incident when neutron source is cold neutrons
Window board, exit window oralia are made using sapphire material, and entrance window oralia, exit window oralia use when neutron source is thermal neutron
Pure aluminum material.
Described leg A fenestrated membranes, leg B fenestrated membranes are made of having springy rubber, and center opens up cross crotch and opened
Mouthful.
Described left side fixture, the cylinder that right side fixture is nickel-base high-temperature alloy material, left side fixture, right side fixture
Diameter dimension is four times of sample diameter size, opens up the interior of neutron diffraction in-situ mechanical loading device outside connection and sample
Screw thread.
Described left side cooling jacket, right side cooling jacket, pagoda joint is installed on the cooling jacket of top, facilitates rubber
Water pipe being built and dismantling.
Described left side fixture packing ring, the circular thin slice that right side fixture packing ring is high-temperature ceramic fibre material, internal diameter chi
It is very little identical with fixture diameter dimension.
It is characteristic of the invention that body of heater cavity, which uses, opens up neutron entrance window, the structure design of neutron exit window, and use
Fine aluminium or sapphire material are as entrance window oralia, exit window oralia so that device allow measure neutron it is substantially lossless by,
It is effectively isolated cool exterior air simultaneously.Body of heater cavity has opened up extensometer measurement leg probe hole so that adds in temperature and mechanics
High-temperature extensometer is allowed to measure sample deformation amount information in real time during load so that measurement process meets the state of high temperature tension test
Family's standard, finally ensure that the reliability of measurement result；Leg A fenestrated membranes, leg B fenestrated membranes are covered on body of heater outer cover and extended simultaneously
Outside meter measurement leg probe hole, and select the springy elastomeric material of tool, center to open up the design of cross crotch opening, make to draw
Stretch meter leg smoothly to enter and move freely when measuring deformation quantity, while prevent extraneous air from entering, this design effectively avoids
Problem interfered to the uniformity of Heating Zone Temperature during the loading of extensometer and use.Left side, the right side of body of heater cavity
Side, top are fitted with cooling jacket, avoid in-situ temperature loading device and the mechanics of outside is added in temperature loading procedure
Carry put had an impact with neutron spectrometer or degree of impairment occur；Fixture is used with the connection of sample and is threadedly coupled so that body of heater
Inwall and sample can be close proximity to so that the general structure size of in-situ temperature loading device is smaller, is advantageous to temperature in situ
Degree loading device supports the use with different size of mechanical loading unit.
The beneficial benefit of the present invention is：A kind of in-situ temperature loading device for neutron diffraction of the present invention, it is described
Device opens up neutron entrance window, neutron exit window so that device can carry out In Situ Heating in neutron diffraction experiment to sample；
Described device opens up fixture hole, extensometer measurement leg probe hole so that and device can be used cooperatively with in-situ mechanical device, and
Neutron diffraction in-situ mechanical-temperature combinational environment the loading experiment for the national standard for meeting high temperature tension test can be realized.
Brief description of the drawings
Fig. 1 is the front view of the in-situ temperature loading device for neutron diffraction of the present invention；
Fig. 2 is the right view of the in-situ temperature loading device for neutron diffraction of the present invention；
Fig. 3 is the front view of the structure of the body of heater cavity in the present invention；
Fig. 4 is the right view of the structure of body of heater cavity in the present invention；
Fig. 5 is leg A fenestrated membranes, the structural representation of leg B fenestrated membranes in the present invention；
In figure, the high-temperature extensometer 6. of 1. body of heater cavity, 2. base, 3. entrance window oralia, 4. exit window oralia 5.
The right side fixture of 7. 10. left side fixture packing ring of leg B 8. left side fixture of fenestrated membrane, 9. right side fixtures of leg A fenestrated membranes 11.
The top cooling jacket of 12. left side cooling jacket of packing ring, 13. right side cooling jacket 14..
Embodiment
Most preferred embodiment is described in detail below in conjunction with the accompanying drawings.
The detailed content and its embodiment of the present invention is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
Fig. 1 is the front view of the in-situ temperature loading device for neutron diffraction of the present invention；Fig. 2 is being used for for the present invention
The right view of the in-situ temperature loading device of neutron diffraction；Fig. 3 is the front view of the structure of the body of heater cavity in the present invention；Fig. 4
It is the right view of the structure of body of heater cavity in the present invention.In Fig. 1 into Fig. 5, a kind of original for neutron diffraction in the present invention
Position temperature loading device includes body of heater cavity 1, base 2, entrance window oralia 3, exit window oralia 4, high-temperature extensometer 5, leg A windows
Film 6, leg B fenestrated membranes 7, left side fixture 8, right side fixture 9, left side fixture packing ring 10, right side fixture packing ring 11, left side cooling jacket
12nd, right side cooling jacket 13, top cooling jacket 14.Opened up on described body of heater cavity 1 neutron entrance aperture, neutron perforation hole,
Two fixture holes, two extensometer measurement leg probe holes.
Described body of heater cavity 1 is fixed on base 2；Described entrance window oralia 3, exit window oralia 4, left side fixture pad
The neutron that circle 10, right side fixture packing ring 11, leg A fenestrated membranes 6, leg B fenestrated membranes 7 are sequentially coated on body of heater cavity 1 using screw enters
The outside of perforation, the outside of neutron perforation hole, the outside in fixture hole in left side, the outside in fixture hole on right side, left side extensometer
Measure outside leg probe hole, the outside of right side extensometer measurement leg probe hole；Described left side cooling jacket 12, right side are cold
But water jacket 13 is separately fixed at left side fixture 8, on right side fixture 9, and top cooling jacket 14 is fixed on above body of heater cavity 1,
The water inlet of left side cooling jacket 12 is connected with the delivery port of the water supply pump of outside using rubber water pipe, left side cooling jacket 12
Delivery port is connected with the water inlet of right side cooling jacket 13 using rubber water pipe, and the delivery port of right side cooling jacket 13 and top are cold
But the water inlet of water jacket 14 is connected using rubber water pipe, the water return outlet of the delivery port of top cooling jacket 14 and outside water supply pump
Connected using rubber water pipe；One end, one end of right side fixture 9 of described left side fixture 8 are connected respectively to outside using screw thread
In-situ mechanical stretching device two loading ends on, the other end of left side fixture 8, the other end of right side fixture 9 and sample connect
Connect；Described high-temperature extensometer 5 is fixed on base 2, and its two measurement legs are touched on sample；Described base 2 is fixed
On the base of the mechanical loading unit of outside；
The measurement leg of described high-temperature extensometer 5 is the cylindrical rod of high-temperature ceramic materials, and contact sample end is edge of a knife shape,
It is clamped in using the cordage with spring on base 2；
The extensometer measurement leg probe hole of described body of heater cavity 1 is rounded rectangle shape, the diameter and rectangle of fillet
Wide size it is identical；The diameter dimension in the fixture hole of described body of heater cavity 1 is bigger 2mm than fixture diameter dimension；Described body of heater
Neutron entrance aperture, neutron perforation hole, fixture hole, the extensometer measurement leg probe hole outer rim of cavity 1 open up screwed hole；
The described laid inside heater strip of body of heater cavity 1, and fill insulation fibre material；
Described entrance window oralia 3, exit window oralia 4 use fine aluminium or fabricated from sapphire, and neutron source enters when being cold neutrons
Penetrate window board 3, exit window oralia 4 is made using sapphire material, entrance window oralia 3, exit window when neutron source is thermal neutron
Plate 4 uses pure aluminum material；
Described leg A fenestrated membranes 6, leg B fenestrated membranes 7 are made of having springy rubber, and center opens up cross crotch
Opening；
Described left side fixture 8, the cylinder that right side fixture 9 is nickel-base high-temperature alloy material, left side fixture 8, right side folder
The diameter dimension of tool 9 is four times of sample diameter size, opens up neutron diffraction in-situ mechanical loading device and sample outside connection
The internal thread of product；
Described left side cooling jacket 12, right side cooling jacket 13, pagoda joint is installed on top cooling jacket 14, side
Just rubber water pipe being built and dismantles；
Described left side fixture packing ring 10, the circular thin slice that right side fixture packing ring 11 is high-temperature ceramic fibre material, it is interior
Footpath size is identical with fixture diameter dimension；
The material selection sapphire material of entrance window oralia 3, exit window oralia 4 in the present embodiment；Left side fixture 8, the right side
A diameter of 20mm of side fixture 9, both sides open up a diameter of 10mm of internal thread；Two fixture holes of body of heater cavity 1 it is a diameter of
22mm, the internal diameter of body of heater cavity 1 is 25mm.
After above-mentioned implementation, the present invention can the bar-shaped standard sample of the micro metal to a diameter of 5mm enter trip temperature loading,
Together with the in-situ mechanical stretching device of outside, it is multiple neutron diffraction in-situ temperature-mechanics can be carried out on cold neutrons diffraction screen
Neutron measurement experiment under cyclization border.
Embodiment 2
The present embodiment is identical with the structure of embodiment 1, is a difference in that the material choosing of entrance window oralia 3, exit window oralia 4
With fine aluminium material, left side fixture 8, a diameter of 40mm of right side fixture 9, both sides open up a diameter of 20mm of internal thread；Body of heater chamber
A diameter of 42mm in two fixture holes of body 1, the internal diameter of body of heater cavity 1 is 45mm.
After above-mentioned implementation, the present invention can the bar-shaped standard sample of the relatively large metal to a diameter of 10mm enter trip temperature and add
Carry, together with the in-situ mechanical stretching device of outside, neutron diffraction in-situ temperature-mechanics can be carried out on thermal neutron diffraction screen
Neutron measurement experiment under combinational environment.
Embodiment 3
The present embodiment is identical with the structure of embodiment 2, is a difference in that one end, the right side fixture 9 of described left side fixture 8
One end using screw thread be connected respectively to outside fixed support on, the other end, the other end of right side fixture 9 of left side fixture 8
It is connected with sample.
After above-mentioned implementation, the present invention can the bar-shaped standard sample of the relatively large metal to a diameter of 10mm enter trip temperature and add
Carry, the neutron measurement experiment under neutron diffraction in-situ temperature environment can be carried out on thermal neutron diffraction screen.
Claims (7)
1. a kind of in-situ temperature loading device for neutron diffraction, including body of heater cavity（1）, base（2）, entrance window oralia
（3）, exit window oralia（4）, left side fixture（8）, right side fixture（9）, left side cooling jacket（12）, right side cooling jacket（13）；
It is characterized in that：Described device also includes high-temperature extensometer（5）, leg A fenestrated membranes（6）, leg B fenestrated membranes（7）, left side fixture packing ring
（10）, right side fixture packing ring（11）, top cooling jacket（14）；Described body of heater cavity（1）On open up neutron entrance aperture, neutron
Perforation hole, two fixture holes, two extensometer measurement leg probe holes；Its annexation is described body of heater cavity（1）It is fixed
In base（2）On；Described entrance window oralia（3）, exit window oralia（4）, left side fixture packing ring（10）, right side fixture packing ring
（11）, leg A fenestrated membranes（6）, leg B fenestrated membranes（7）Body of heater cavity is sequentially coated on using screw（1）Neutron entrance aperture it is outer
Portion, the outside of neutron perforation hole, the outside in fixture hole in left side, the outside in fixture hole on right side, left side extensometer measurement leg
Outside probe hole, right side extensometer measurement leg probe hole outside；Described left side cooling jacket（12）, right side cooling jacket
（13）It is separately fixed at left side fixture（8）, right side fixture（9）On, top cooling jacket（14）It is fixed on body of heater cavity（1）It is upper
Face, left side cooling jacket（12）Water inlet be connected with the delivery port of water supply pump of outside using rubber water pipe, left side cooling water
Set（12）Delivery port and right side cooling jacket（13）Water inlet utilize rubber water pipe connection, right side cooling jacket（13）Go out
The mouth of a river and top cooling jacket（14）Water inlet utilize rubber water pipe connection, top cooling jacket（14）Delivery port with it is outside
Water supply pump water return outlet utilize rubber water pipe connection；Described left side fixture（8）One end, right side fixture（9）One end profit
It is connected respectively to screw thread on two loading ends of the in-situ mechanical stretching device of outside, left side fixture（8）The other end, right side
Fixture（9）The other end be connected with sample；Described high-temperature extensometer（5）It is fixed on base（2）On, its two measurement legs connect
Contact on sample；
Described high-temperature extensometer（5）Measurement leg be high-temperature ceramic materials cylindrical rod, contact sample end is edge of a knife shape, sharp
It is clamped in base with the cordage with spring（2）On；
Described leg A fenestrated membranes（6）, leg B fenestrated membranes（7）It is made of rubber, center opens up cross crotch opening.
2. the in-situ temperature loading device according to claim 1 for neutron diffraction, it is characterised in that：Described body of heater
Cavity（1）Extensometer measurement leg probe hole be round rectangle.
3. the in-situ temperature loading device according to claim 1 for neutron diffraction, it is characterised in that：Described body of heater
Cavity（1）Inside it is provided with heater strip and insulation fibre material.
4. the in-situ temperature loading device according to claim 1 for neutron diffraction, it is characterised in that：Described enters
Penetrate window board（3）, exit window oralia（4）Using fine aluminium or fabricated from sapphire, entrance window oralia when neutron source is cold neutrons（3）、
Exit window oralia（4）Made using sapphire material, entrance window oralia when neutron source is thermal neutron（3）, exit window oralia（4）Adopt
Use pure aluminum material.
5. the in-situ temperature loading device according to claim 1 for neutron diffraction, it is characterised in that：Described left side
Fixture（8）, right side fixture（9）The respectively cylinder of nickel-base high-temperature alloy material, left side fixture（8）, right side fixture（9）It is straight
Footpath is four times of sample diameter.
6. the in-situ temperature loading device according to claim 1 for neutron diffraction, it is characterised in that：Described left side
Cooling jacket（12）, right side cooling jacket（13）, top cooling jacket（14）On pagoda joint is installed, facilitate rubber water pipe
Build and dismantle.
7. the in-situ temperature loading device according to claim 1 for neutron diffraction, it is characterised in that：Described left side
Fixture packing ring（10）, right side fixture packing ring（11）For the circular thin slice of high-temperature ceramic fibre material.
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| CN201510872056.0A CN105388074B (en) | 2015-12-03 | 2015-12-03 | A kind of in-situ temperature loading device for neutron diffraction |
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| CN201510872056.0A CN105388074B (en) | 2015-12-03 | 2015-12-03 | A kind of in-situ temperature loading device for neutron diffraction |
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| CN105388074B true CN105388074B (en) | 2018-02-06 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106841254A (en) * | 2017-01-06 | 2017-06-13 | 中国工程物理研究院核物理与化学研究所 | A kind of temperature loading device for neutron scattering experiment |
| CN106706443A (en) * | 2017-03-09 | 2017-05-24 | 中国工程物理研究院核物理与化学研究所 | In-situ heating device for neutron diffraction |
| CN107290221B (en) * | 2017-06-02 | 2023-08-04 | 中国工程物理研究院核物理与化学研究所 | High-temperature high-pressure loading device for in-situ neutron diffraction |
| CN107063872A (en) * | 2017-06-02 | 2017-08-18 | 中国工程物理研究院核物理与化学研究所 | It is a kind of to be used for the room temperature mechanical loading unit of metallic beryllium in neutron scattering experiment |
| CN107270712B (en) * | 2017-07-25 | 2020-08-14 | 电子科技大学 | In-situ atmosphere-temperature loading special tubular furnace for neutron diffraction |
| CN108414552B (en) * | 2018-03-30 | 2020-10-23 | 中国工程物理研究院核物理与化学研究所 | Method for detecting thermal stability of polymer bonded explosive |
| CN112763341A (en) * | 2020-12-24 | 2021-05-07 | 中国工程物理研究院核物理与化学研究所 | In-situ induction heating device for neutron diffraction measurement |
| CN113218978A (en) * | 2021-05-10 | 2021-08-06 | 上海大学 | In-situ diffraction experiment method and device |
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