CN205538440U - Material low temperature mechanical properties testing arrangement - Google Patents
Material low temperature mechanical properties testing arrangement Download PDFInfo
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- CN205538440U CN205538440U CN201620065795.9U CN201620065795U CN205538440U CN 205538440 U CN205538440 U CN 205538440U CN 201620065795 U CN201620065795 U CN 201620065795U CN 205538440 U CN205538440 U CN 205538440U
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Abstract
The utility model relates to a mechanical properties of materials tests technical field, especially relates to a material low temperature mechanical properties testing arrangement, including universal testing machine, refrigerator, gas holder, sample chamber, vacuum pump, vacuum insulation bucket with locate the thermal radiation prevention bucket in the vacuum insulation bucket, universal testing machine includes the base and locates the support frame on the base, and the vacuum insulation bucket is equipped with the mechanics support that is used for and awaits measuring sample rigid connection on locating the base on the support frame, and the mechanics support is located confined sample intracavity, and the mechanics support can reciprocate, the one end in sample chamber is located the thermal radiation prevention bucket, and the cold head of refrigerator stretches into in the airtight thermal radiation prevention bucket and to link to each other with the outer wall in sample chamber, the gas holder pass through intake pipe and sample chamber intercommunication, the one end and gas holder intercommunication, the other end of vacuum pump communicate with the sample chamber. The utility model discloses a material low temperature mechanical properties testing arrangement helium can cyclic utilization, has avoided a large amount of wastes of helium resource.
Description
Technical field
This utility model relates to material mechanical performance technical field of measurement and test, particularly relates to a kind of material
Cryogenic mechanics performance test device.
Background technology
Now with China's hydrogen energy source, nuclear fusion energy, Aero-Space, application superconduction, gas work
The development in the fields such as industry and some big science engineerings, relates to the project of cryogenic engineering increasingly
Many.Increasing to the demand of cryogenic material in industry and scientific research field, to cryogenic material property
Energy data demand is more and more comprehensive.Material works at low ambient temperatures, and its low-temperature physical property leads to
Very different from room temperature performance.Wherein, material or one of workpiece during material mechanical performance is engineering
Important performance indexes.Test material mechanical property at low temperatures, to material at low temperature performance study
Having great importance with optimizing modification, design and safe handling to cryogenic components are also to closing weight
Want.And minimum temperature to be realized is to the Mechanics Performance Testing of 4.2K, it is necessary to have and can arrive 4.2K
The low-temperature receiver of temperature.Current domestic material at low temperature Mechanics Performance Testing device all uses cryogenic liquid (liquid
Nitrogen 77K or liquid helium four .2K) as low-temperature receiver；By the cryogenic liquid in cryogenic liquid vessel during work
(liquid nitrogen 77K or liquid helium four .2K) is input in vacuum interlayer Dewar, and cryogenic liquid is by low temperature power
Learn support and testing sample cooling, then pass through temperature controller and low temp liquid evaporator with the use of control
Cryomechanics support processed and the temperature of testing sample.Cryogenic liquid becomes gas from gas outlet subsequently
Middle discharge.Therefore, this test device busy can consume substantial amounts of liquid nitrogen or liquid helium；Every time
Carry out the test of below 77K warm area material mechanical performance and all must consume substantial amounts of liquid helium, e.g., carry out
4.2K temperature environment tensile property is tested and is needed to consume 20 liters of liquid heliums, and 4.2K compression,
The liquid helium that bending property test then consumes because fixture is complicated is more than 30 liters.Helium is on the earth
Valuable non-renewable resources, it is therefore desirable to provide one can reduce liquid nitrogen or liquid helium consumable material
Cryogenic mechanics performance test device.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is: existing material at low temperature Mechanics Performance Testing
Device substantial amounts of use liquid nitrogen or liquid helium resource, cost height, operation complexity, cause helium resource
Waste.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of material at low temperature mechanical property
Device can be tested, including universal testing machine, refrigeration machine, air accumulator, sample chamber, vacuum
Pump, vacuum insulation pail and the thermal radiation resistant bucket being located in vacuum insulation pail, described universal material tries
The machine of testing includes base and the bracing frame being located on base, and described vacuum insulation pail is located at described base
On, support frame as described above is provided with for mechanics support rigidly connected with sample to be tested, described power
Learn support and be positioned at the described sample chamber of closing, and described mechanics support can move up and down；Institute
The one end stating sample chamber is positioned at described thermal radiation resistant bucket, and the cold head of described refrigeration machine stretches into airtight
Is connected with the outer wall of sample chamber in thermal radiation resistant bucket, described air accumulator by air inlet pipe and sample
Chamber connects, and one end of described vacuum pump connects with air accumulator, and the other end connects with sample chamber.
Preferably, support frame as described above includes be arranged in parallel two be vertical on described base
Support bar, the lower end of described support bar is connected with base, is additionally provided with between two described support bars
At least one crossbeam, the two ends of described crossbeam are connected respectively at described two described support bars, institute
The crossbeam stating mechanics support and be positioned at lower side is rigidly connected, and described crossbeam can be two at individual
Slide up and down between strut.
Preferably, the two ends of described crossbeam are provided with chute, and two described support bars are correspondingly provided with
The slide rail coordinated with described chute.
Preferably, described air accumulator is provided with Pressure gauge.
Preferably, mechanics sensor, displacement transducer and the temperature control being located in sample chamber are also included
Mechanical signal and the displacement signal of sample to be tested are passed to by device, described mechanics and displacement transducer
Universal testing machine, described temperature controller is for detecting the temperature in sample chamber, and will detect
Temperature signal pass to controller, described controller is for the temperature of Control Assay intracavity.
Preferably, described temperature controller is ring-type temperature controller.
Preferably, described refrigeration machine is provided with multiple stage, and refrigeration machine described in multiple stage is in parallel.
Preferably, described refrigeration machine is G-M refrigeration machine, pulse tube refrigerating machine or stirling refrigeration
Machine.
Preferably, described cold head includes one-level cold head and two grades of cold heads, and described one-level cold head is with anti-
Metal flange on heat radiation bucket is connected, and described two grades of cold heads are by heat conduction heat bridge and described sample
The outer wall in chamber is connected.
Preferably, described vacuum pump is dry pump.
(3) beneficial effect
Technique scheme of the present utility model has the advantage that this utility model provides one
Plant material at low temperature Mechanics Performance Testing device, using refrigeration machine as low-temperature receiver, the helium in sample chamber
As heat transfer medium, itself not producing cold, helium can recycle, and therefore helium is almost
Will not lose, it is to avoid a large amount of wastes of helium resource, and between sample chamber and air accumulator
Be additionally provided with vacuum pump, can by vacuum pump by the helium recovery in sample chamber to air accumulator, by
Temperature in sample chamber can not be reduced to 4.2K in the simple refrigeration machine that uses, therefore pass through
The pressure that vacuum pump reduces in sample chamber reduces the temperature in sample chamber, further with satisfied temperature
The demand of degree.
Accompanying drawing explanation
This utility model is above-mentioned and/or the advantage of additional aspect is from combining accompanying drawings below to embodiment
Description will be apparent from easy to understand, wherein:
Fig. 1 is that described in this utility model embodiment, cryogenic mechanics performance test device is in test shape
The structural representation of state；
Fig. 2 is that the cryogenic mechanics performance test device described in this utility model embodiment is in and does not surveys
Structural representation during examination.
Wherein in Fig. 1 and Fig. 2, corresponding relation between reference and component names is:
1, bracing frame, 11, support bar, 12, crossbeam, 13, mechanics support, 2, base,
21, vacuum insulation pail, 22, thermal radiation resistant bucket, 3, refrigeration machine, 31, one-level cold head, 32,
Two grades of cold heads, 4, sample chamber, 5, air accumulator, 51, air inlet pipe, 52, dry pump, 53, go out
Trachea, 6, sample to be tested, 7, temperature controller, 8, Pressure gauge.
Detailed description of the invention
In description of the present utility model, it should be noted that term " " center ", " longitudinally ",
" laterally ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ",
" push up ", " end ", " " interior ", " outward " etc. instruction orientation or position relationship for based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of description this utility model and simplifying and do not describe, and not
It is to indicate or imply that the device of indication or element must have specific orientation, with specific orientation
Structure and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second " be only used for describe purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clear and definite regulation and
Limiting, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be
Fixing connection, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected,
It can also be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, permissible
Concrete condition understands above-mentioned term concrete meaning in this utility model.Additionally, in this practicality
In novel description, except as otherwise noted, " multiple " are meant that two or more.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below
The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this
It is every other that field those of ordinary skill is obtained on the premise of not making creative work
Embodiment, broadly falls into the scope of this utility model protection.
As depicted in figs. 1 and 2, this utility model provides a kind of material at low temperature mechanical property survey
Electricity testing device, including universal testing machine, refrigeration machine, air accumulator, sample chamber, vacuum pump,
Vacuum insulation pail and the thermal radiation resistant bucket being located in vacuum insulation pail, described universal testing machine
It is located on described base with the bracing frame being located on base, described vacuum insulation pail including base,
Support frame as described above is provided with for mechanics support rigidly connected with sample to be tested, and described mechanics props up
Frame is positioned at the described sample chamber of closing, and described mechanics support can move up and down；Described examination
The one end in sample chamber is positioned at described thermal radiation resistant bucket, and the cold head of described refrigeration machine stretches into airtight solar heat protection
It is connected with the outer wall of sample chamber in radiation bucket, being connected with sample chamber by air inlet pipe of described air accumulator
Logical, one end of described vacuum pump connects with air accumulator, and the other end connects with sample chamber.
The material at low temperature Mechanics Performance Testing device that this utility model provides, uses refrigeration machine to do cold
Source, the helium in sample chamber, as heat transfer medium, itself will not produce cold, and helium is hardly
Can consume, helium can recycle, and therefore helium loses hardly, it is to avoid helium money
A large amount of wastes in source, and between sample chamber and air accumulator, it is additionally provided with vacuum pump, can be by true
Empty pump is by the helium recovery in sample chamber to air accumulator, owing to simple use refrigeration machine can not
Enough the temperature in sample chamber is reduced to 4.2K, therefore reduces the pressure in sample chamber by vacuum pump
Come by force to reduce the temperature in sample chamber further, to meet the demand of temperature.
Embodiment one
As depicted in figs. 1 and 2, material at low temperature Mechanics Performance Testing device is comprising: omnipotent material
Material testing machine, mechanics support 13, Cryo Refrigerator 3, vacuum insulation pail 21, thermal radiation resistant bucket
22, sample chamber 4, temperature controller 7；Wherein said universal testing machine provides for sample to be tested 6
Mechanics power source (i.e. loading force), universal testing machine includes base 2 and is located on base 2
Bracing frame 1, described vacuum insulation pail 21 is located on described base 2, on support frame as described above 1
Being provided with for mechanics support 13 rigidly connected with sample to be tested 6, wherein said bracing frame 1 wraps
Include be arranged in parallel two support bars 11 being vertical on described base 2, described support bar 11
Lower end be connected with base 2, be additionally provided with at least one crossbeam 12 between two described support bars 11,
Its effect is to support sample to be tested 6, and transmits the active force of sample testing process, by active force from
Room temperature is delivered in low temperature environment, acts on sample to be tested 6；Specifically, cryomechanics props up
The mechanics power source of universal testing machine is passed to sample to be tested 6, sample to be tested 6 by frame 13
Being contained in the measured material of cryomechanics support 13, what cryomechanics support 13 was carried can be
Different measured material, to install such as static stretch, Static Compression, static buckling, static state
Shearing, drawingand pressing fatigue, tensile fatigue, compression fatigue, flexural fatigue or fracture mechanics (Kic,
Jic) test sample.
The two ends of described crossbeam 12 are connected respectively at described two described support bars 11, described power
Learn support 13 be rigidly connected with the crossbeam 12 being positioned at lower side, and described crossbeam 12 can two
Slide up and down between individual support bar 11；Preferably, the two ends of described crossbeam 12 are provided with chute,
The slide rail coordinated with described chute, such crossbeam 12 it is correspondingly provided with on two described support bars 11
Slip between support bar 11 is more prone to；And on mechanics support 13, it is additionally provided with mechanics
Sensor and displacement transducer, alternatively, described mechanics sensor and displacement transducer are located at
On sample to be tested 6, mechanics sensor is applied to sample to be tested 6 loading force size in order to measure,
Displacement transducer is in order to measure the deformational displacement of sample to be tested 6；
Described mechanics support 13 is positioned at the described sample chamber 4 of closing, and described mechanics support 13
Can move up and down；One end of described sample chamber 4 is positioned at described thermal radiation resistant bucket 22, described
The cold head of refrigeration machine 3 is connected with the outer wall of sample chamber 4 in stretching into airtight thermal radiation resistant bucket 22, institute
State being connected by air inlet pipe 51 of air accumulator 5, one end of described vacuum pump and storage with sample chamber 4
Gas tank 5 connects, and the other end connects with sample chamber 4.
Wherein, vacuum insulation pail 21 is located on fixed base 2, described thermal radiation resistant bucket
22 are located in vacuum insulation pail 21, and sample to be tested 6 is positioned at sample chamber 4, simultaneously sample chamber 4
One end stretch in thermal radiation resistant bucket 22, and some is positioned at vacuum insulation pail 21, very
It is covered with, on empty heat-preserving container 21, the opening passed for described sample chamber 4, described sample chamber 4
Outside wall surface is provided with flange, after sample chamber 4 sets as precalculated position, can pass through flange seal
Vacuum insulation pail 21, makes vacuum insulation pail 21 form an airtight vacuum environment, refrigeration machine 3
One-level cold head 31 insert in vacuum barrel, and be connected with the metal flange of thermal radiation resistant cylinder, by cold
Amount passes to thermal radiation resistant cylinder, and 3 two grades of cold heads of refrigeration machine 32 are by heat conduction heat bridge and sample chamber 4
Outer wall be connected, cold is passed to sample chamber 4, wherein said heat conduction heat bridge is thermal conductive metal plate,
Preferably, described thermal conductive metal plate is copper sheet；Certainly, described thermal conductive metal plate can also be by
Other Heat Conduction Materials such as ferrum, conjunction gold, silver are made, and also are able to realize the purpose of the application equally.
When mechanics support 13 moves down setup test, the flange of mechanics support 13 can be with examination
Sample chamber 4 is formed and seals, thus provides close for mechanics support 13, temperature controller 7, sample to be tested 6
The heat-transfer environment of envelope, wherein said temperature controller 7 is treated for detection monitoring in being located at sample chamber 4
Ambient temperature around test specimens 6, and the temperature signal detected is passed to the control of outside
Device, the most described controller is computer；Computer receives the letter that temperature controller 7 detects
Number, operator can realize the real-time prison to the ambient temperature around sample by outer computer
Control；It addition, the outside also diffraction of described sample chamber 4 has a circle electrical heating wire, anti-by program
Feedback regulation refrigeration machine and heater strip, the temperature of Control Assay intracavity of constantly adjusting, it is achieved
Under temperature range (4.2-300K) a certain temperature value keep constant temperature, with meet material can be at each
Stable warm area carries out Mechanics Performance Testing.Use the most in the present embodiment and be arranged on sample chamber 4
Ring-type temperature controller 7 around, the shape of certain described temperature controller 7 is also limited only to above-mentioned shape
Shape, it is possible to use the temperature controller 7 of other shapes, the most bar-shaped temperature controller 7 etc..
Wherein air accumulator 5 is used for storing helium or nitrogen (due to can reduce in sample chamber 4
Minimum temperature is to be determined by the heat-conducting medium in sample chamber 4, it is therefore desirable to according to sample chamber 4
Interior temperature determines which kind of gas of employing), it is arranged on outside universal testing machine, gas storage
Tank 5 is connected with sample chamber 4 by air inlet pipe 51, inputs heat-conducting medium in sample chamber 4, with
Time vacuum pump two ends connect with sample chamber 4 respectively at air accumulator 5, can by vacuum pump will examination
Gas in sample chamber 4 can be regained in air accumulator 5, to reduce the pressure in sample chamber 4, due to
The simple temperature using refrigeration machine 3 can not reach 4.2k, it is therefore desirable to seek reduction sample chamber
Pressure in 4 reduces the temperature in sample chamber 4 further, to meet temperature requirements.Preferably,
Described vacuum pump is dry pump 52, and dry pump 52 intracavity is without any lubricating oil, and use dry pump 52 can
The helium to reclaiming is avoided to pollute；Pressure gauge 8, described pressure it is additionally provided with in described dry pump 52
Power table 8 is used for by the volume of the change calculations input helium of gas pressure in record tank, and then
Ensure the amount of helium in sample chamber 4, make sample chamber 4 remain low in pumped down temperature-fall period
Time long enough under Wen.
It should be noted that refrigeration machine 3 described herein can arrange one, it is also possible to set
Putting multiple stage, refrigeration machine 3 described in multiple stage is in parallel, to meet the demand of bigger refrigerating capacity.
Illustrate the material mechanical performance test dress that this utility model provides below in conjunction with the accompanying drawings
The work process put:
First sample to be tested 6 is arranged on cryomechanics support 13, by universal testing machine
Crossbeam 12 rises together with cryomechanics support 13, true by with refrigeration machine 3 and sample chamber 4
Empty heat-preserving container 21 is placed on described base 2, by universal testing machine crossbeam 12 together with power
Learn support 13 to land, make mechanics support 13 be in sample chamber 4 (as shown in Figure 1), available
Sample chamber 4 is fixed by bolt with cryomechanics support 13, makes cryomechanics support 13 lower face
Divide and be sealed in sample chamber 4, air inlet pipe 51 one end is connected air accumulator 5, when cooling, storage
Helium in gas tank 5 by air inlet pipe 51 automatic transport in sample chamber 4, in blood pressure lowering cooling and
During intensification, through escape pipe 53, the helium in sample chamber 4 is drawn back to gas storage by dry pump 52
Tank 5.Open refrigeration machine 3, cold is transferred to sample chamber 46 again by the gas in sample chamber 4
Cold is transferred on cryomechanics support 13 and sample to be tested 6 by body.Temperature is controlled by computer
Control device 7, controls the ambient temperature around sample and sample, after reaching predetermined temperature and stablizing,
Open universal testing machine, carry out Mechanics Performance Testing.
As can be seen here, refrigeration machine 3 of the present utility model does low-temperature receiver, the material that circulated helium utilizes
Cryogenic mechanics performance test device, based on universal testing machine, utilizes refrigeration machine 3 to make cold
Source coordinates with temperature controller 7, it is achieved material mechanical performance data under low temperature environment (4.2～300K)
Measure.Therefore, this utility model is mainly used under low temperature (4.2～300K) environment to be measured
Sample 6 (material sample or workpiece) carries out mechanical property measurement, measures with traditional mechanical property
Device is compared, and refrigeration machine 3 of the present utility model does low-temperature receiver, the mechanics of materials that circulated helium utilizes
Performance testing device has, it is not necessary to consumes liquid helium or liquid nitrogen, can measure 4.2～300K warm areas
The material sample of interior arbitrary temp environment or the feature of workpiece mechanical property, and temperature control is accurate,
Simple in construction, reliability are high, simple to operate, efficiency is high.
In sum, this utility model provides a kind of material at low temperature Mechanics Performance Testing device,
Using refrigeration machine to do low-temperature receiver, the helium in sample chamber is as heat transfer medium, and itself does not produce heat
Amount, helium can recycle, therefore helium loses hardly, it is to avoid helium resource
A large amount of wastes, and between sample chamber and air accumulator, it is additionally provided with vacuum pump, vacuum pump can be passed through
By in the helium recovery in sample chamber to air accumulator, owing to simple use refrigeration machine can not be by
Temperature in sample chamber is reduced to 4.2K, therefore reduces the pressure in sample chamber by vacuum pump and comes
Reduce the temperature in sample chamber further, to meet the demand of temperature.
It is last it is noted that above example is only in order to illustrate the technical solution of the utility model,
It is not intended to limit；Although this utility model being described in detail with reference to previous embodiment,
It will be understood by those within the art that: it still can be to described in foregoing embodiments
Technical scheme modify, or wherein portion of techniques feature is carried out equivalent；And this
A little amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model and respectively implement
The spirit and scope of example technical scheme.
Claims (10)
1. a material at low temperature Mechanics Performance Testing device, it is characterised in that: include universal material
Testing machine, refrigeration machine, air accumulator, sample chamber, vacuum pump, vacuum insulation pail and be located at vacuum
Thermal radiation resistant bucket in heat-preserving container, described universal testing machine includes base and is located on base
Bracing frame, described vacuum insulation pail is located on described base, support frame as described above be provided with for
Mechanics support rigidly connected with sample to be tested, described mechanics support is positioned at the described sample of closing
Intracavity, and described mechanics support can move up and down；One end of described sample chamber is positioned at described anti-
In heat radiation bucket, in the cold head of described refrigeration machine stretches into airtight thermal radiation resistant bucket and outside sample chamber
Wall is connected, being connected with sample chamber by air inlet pipe of described air accumulator, one end of described vacuum pump
Connecting with air accumulator, the other end connects with sample chamber.
Material at low temperature Mechanics Performance Testing device the most according to claim 1, its feature exists
In: support frame as described above includes be arranged in parallel two support bars being vertical on described base,
The lower end of described support bar is connected with base, is additionally provided with at least one between two described support bars
Crossbeam, the two ends of described crossbeam are connected respectively at described two described support bars, and described mechanics props up
Frame and the crossbeam being positioned at lower side are rigidly connected, and described crossbeam can be two between individual support bar
Slide up and down.
Material at low temperature Mechanics Performance Testing device the most according to claim 2, its feature exists
In: the two ends of described crossbeam are provided with chute, and two described support bars are correspondingly provided with and described cunning
The slide rail of slot fit.
Material at low temperature Mechanics Performance Testing device the most according to claim 1, its feature exists
In: described air accumulator is provided with Pressure gauge.
Material at low temperature Mechanics Performance Testing device the most according to claim 1, its feature exists
In: also include mechanics sensor, displacement transducer and the temperature controller being located in sample chamber, described
Mechanical signal and the displacement signal of sample to be tested are passed to universal material by mechanics and displacement transducer
Testing machine, described temperature controller is for detecting the temperature in sample chamber, and the temperature letter that will detect
Number passing to controller, described controller is for the temperature of Control Assay intracavity.
Material at low temperature Mechanics Performance Testing device the most according to claim 5, its feature exists
In: described temperature controller is ring-type temperature controller.
Material at low temperature Mechanics Performance Testing device the most according to claim 1, its feature exists
In: described refrigeration machine is provided with multiple stage, and refrigeration machine described in multiple stage is in parallel.
Material at low temperature Mechanics Performance Testing device the most according to claim 1, its feature exists
In: described refrigeration machine is G-M refrigeration machine, pulse tube refrigerating machine or sterlin refrigerator.
Material at low temperature Mechanics Performance Testing device the most according to claim 1, its feature exists
In: described cold head includes one-level cold head and two grades of cold heads, described one-level cold head and thermal radiation resistant bucket
On metal flange be connected, the described two grades of cold heads outer wall by heat conduction heat bridge and described sample chamber
It is connected.
Material at low temperature Mechanics Performance Testing device the most according to claim 1, its feature
It is: described vacuum pump is dry pump.
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| CN201620065795.9U CN205538440U (en) | 2016-01-22 | 2016-01-22 | Material low temperature mechanical properties testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620065795.9U CN205538440U (en) | 2016-01-22 | 2016-01-22 | Material low temperature mechanical properties testing arrangement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769595A (en) * | 2016-12-06 | 2017-05-31 | 中南大学 | A kind of engineering material resists the mechanical property test and evaluation method of temperature change |
| CN106802308A (en) * | 2017-03-30 | 2017-06-06 | 中国科学院理化技术研究所 | A kind of material bullet heat performance testing device |
| CN106996894A (en) * | 2016-01-22 | 2017-08-01 | 中国科学院理化技术研究所 | A kind of material at low temperature Mechanics Performance Testing device |
| CN108614007A (en) * | 2018-06-08 | 2018-10-02 | 中国科学院理化技术研究所 | Multilayer insulant and composite insulation material performance testing device |
| CN108871969A (en) * | 2018-06-28 | 2018-11-23 | 合肥科烨电物理设备制造有限公司 | The device and method of bellows fatigue at low temperatures test |
| CN114136802A (en) * | 2021-11-26 | 2022-03-04 | 沪东中华造船(集团)有限公司 | Ultralow-temperature tensile test device and method for ship material |
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2016
- 2016-01-22 CN CN201620065795.9U patent/CN205538440U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996894A (en) * | 2016-01-22 | 2017-08-01 | 中国科学院理化技术研究所 | A kind of material at low temperature Mechanics Performance Testing device |
| CN106769595A (en) * | 2016-12-06 | 2017-05-31 | 中南大学 | A kind of engineering material resists the mechanical property test and evaluation method of temperature change |
| CN106802308A (en) * | 2017-03-30 | 2017-06-06 | 中国科学院理化技术研究所 | A kind of material bullet heat performance testing device |
| CN108614007A (en) * | 2018-06-08 | 2018-10-02 | 中国科学院理化技术研究所 | Multilayer insulant and composite insulation material performance testing device |
| CN108614007B (en) * | 2018-06-08 | 2020-08-25 | 中国科学院理化技术研究所 | Multilayer heat-insulating material and composite heat-insulating material performance testing device |
| CN108871969A (en) * | 2018-06-28 | 2018-11-23 | 合肥科烨电物理设备制造有限公司 | The device and method of bellows fatigue at low temperatures test |
| CN114136802A (en) * | 2021-11-26 | 2022-03-04 | 沪东中华造船(集团)有限公司 | Ultralow-temperature tensile test device and method for ship material |
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