CN207456931U - A kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material - Google Patents
A kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material Download PDFInfo
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- CN207456931U CN207456931U CN201721562164.9U CN201721562164U CN207456931U CN 207456931 U CN207456931 U CN 207456931U CN 201721562164 U CN201721562164 U CN 201721562164U CN 207456931 U CN207456931 U CN 207456931U
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Abstract
The utility model is related to a kind of test devices for 1100 DEG C of mechanicals behavior under high temperature of graphite material, by universal testing machine, high temperature furnace, high-temperature clamp, temp measuring system, software analysis system, circulating water cooling system, vacuum pump, inert gas bottle etc. assembles, sample is carried out by high-temperature clamp to grip up and down, high temperature furnace is carried out again to vacuumize logical inert gas, prevent sample from being aoxidized in high temperature environments, utility fixture captures mechanics performance parameter, high temperature (room temperature is to 1100 DEG C) compressive resistance can be carried out to graphite material, flexural strength, tensile strength, the Mechanics Performance Testings such as fracture toughness intensity, it is simple in structure, it is easy to use, with higher reliability and stability.
Description
Technical field
The utility model is related to material mechanical performance technical field of measurement and test, are specially that one kind is used for 1100 DEG C of height of graphite material
The test device of warm mechanical property.
Background technology
Graphite material is since the excellent properties such as its intensity height, heat resistance, stable chemical performance are widely used in photovoltaic, have
The fields such as non-ferrous metal continuous casting, electric spark, high temperature gas cooled reactor, chemical industry, metallurgy, machinery, aerospace.In view of high-technology field and national defence
The graphite material of equipment build-up bears the environment such as complicated heat/power/oxidation coupling with structure needs, to being used for extreme environment
The design of superhigh temperature component when carrying out service safety evaluation, it is necessary to Knowing material fundamental forces such as intensity in a high temperauture environment
Learn performance parameter.With the rise of temperature, the mechanical performance index of carbon material can change, choosing of this variation to device
There is vital influence with precision with safety and instrument etc., understanding graphite material physical property is played important
Directive function.
Current measuring apparatus or device in measurement graphite material mechanical property at room temperature and 800 DEG C of temperature below still can
It meets the requirements, but the method also prematurity when measuring graphite material mechanical behavior under high temperature to 1100 DEG C of high temperature.
In addition, it is disclosed in the Chinese patent of Patent No. CN102944466A a kind of under superhigh temperature oxidation environment
Mechanics Performance Testing device, by the electric cabinet of control, loads fixture, load control and deformation sensing measurement system, furnace body, non-contact change
Shape measuring system, display record system etc. assemble.This method is to realize to carry out stove internal oxidition environment by calandria
Even stable heating and heat preservation make it to realize that room temperature to 1800 degree of Mechanics Performance Testing, utilizes sensing contact and non-contact survey
Measure the mechanical properties parameters such as system acquisition stretching, compression, bending, the intensity of shearing and strain.
Utility model content
In view of the above problems, the utility model aim is to provide a kind of high-temperature mechanics available at 1100 DEG C of graphite material
Performance testing device carries out sample by high-temperature clamp gripping up and down, then high temperature furnace is carried out to vacuumize logical indifferent gas
Body prevents sample from being aoxidized in high temperature environments, solves in room temperature to 1100 DEG C of temperature the flexural strength of graphite material, resistance to
The technical issues of mechanics such as Compressive Strength, tensile strength basic parameter is tested, and measuring accuracy is high, it is highly reliable.
To achieve the above object, the utility model provides following technical solution：
A kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material, including：
Universal testing machine, the universal testing machine is the stent of frame plate structure, internal to form installation space, side stand
On guide rail is installed, and horizontal symmetrical is equipped with upper beam and bottom end rail on its side stand；
High temperature furnace, the high temperature furnace are installed on the guide rail of the universal testing machine side stand, and it is empty to be located at the installation
In, including furnace body, arrangement is provided with several ceramic heating elements in the furnace body, and is symmetrically opened up on its left and right sides furnace wall
There are several through holes；
High-temperature clamp, the high-temperature clamp include the upper fixture that is respectively arranged on the upper beam and be installed on it is described under
Sample clamp on crossbeam is used to fix sample to be tested；
Temp measuring system, the temp measuring system is electrically connected by the through hole with the high temperature furnace, including sample thermocouple
And temperature-control heat couple；
Software analysis system, the software analysis system are computer system, and institute is may be contained with the temp measuring system
On the tables for stating the outer one side of universal testing machine；
Recirculating cooling water system, the recirculating cooling water system are located at the one side outside the universal testing machine, pass through pipe
Road is connected with the high temperature furnace；
Vacuum pump, the vacuum pump are located at another outside the universal testing machine compared with the recirculating cooling water system
Side is connected by pipeline with the high temperature furnace；And
Inert gas bottle, the inert gas bottle are arranged at the same side with the vacuum pump, pass through pipeline and the height
Warm stove connection.
As an improvement, the upper fixture includes the ceramic clamp head and the ceramic connecting rod that are fixedly connected, institute with sample clamp
State the inside that ceramic clamp head is located at the high temperature furnace, the ceramic connecting rod by clamp nut respectively with the upper beam and under
Crossbeam is fastenedly connected.
It, can be along vertical as an improvement, the upper beam and bottom end rail are slideably positioned on the universal testing machine
It slides in direction.
As an improvement, the ceramic connecting rod is arranged to telescopic rod, sensing device is installed thereon.
As an improvement, the through hole includes the hole a being symmetrically arranged and hole b and hole c and hole d.
As an improvement, the temp measuring system is electrically connected by hole a with the high temperature furnace；The recirculating cooling water system passes through
Hole c is connected with high temperature furnace；The vacuum pump is connected by hole b with high temperature furnace；The inert gas bottle is connected by hole d and high temperature furnace
It connects.
As an improvement, the high temperature furnace is vacuum atmosphere high temperature furnace.
The utility model additionally provides a kind of test method of graphite material high-temperature mechanics intensity, comprises the following steps：
Step 1：Sample is loaded, by sample setup on sample clamp, upper beam position is adjusted, makes upper fixture just not
Touch sample；
Step 2：Sample thermocouple location is regulated, it is made close to sample, to close fire door as far as possible；
Step 3：High temperature furnace is vacuumized, leads to inert gas, cycles this operation 3 times, afterwards logical inert gas to positive pressure
And it keeps；
Step 4：The temperature program of high temperature furnace is set, and furnace body is started to warm up to treating testing temperature；
Step 5：Mechanical property measurement is proceeded by, force value is recorded, and calculates.
The beneficial effects of the utility model are：
(1) the utility model carries out sample to grip up and down by high-temperature clamp, then high temperature furnace is vacuumized
Logical inert gas prevents sample from being aoxidized in high temperature environments, it can be achieved that testing graphite material in room temperature to 1100 DEG C of temperature
The mechanics basic parameter such as flexural strength, compressive resistance, tensile strength, and testing precision is high, highly reliable, experiment repeats
Property is strong；
(2) the utility model effectively prevents carbon by being vacuumized in the stove to high temperature furnace and leading to inert gas
Material aoxidizes at high temperature, ensure that the accuracy of experimental result；
(3) the utility model by upper fixture and sample clamp is coordinated and sample is clamped up and down, and upper fixture and sample
Spacing between product fixture is adjustable, can carry out Mechanics Performance Testing to various sizes of sample, practicability is good.
In conclusion the utility model have it is simple in structure, it is easy to use, it is reliable and stable the advantages that, be particularly suitable for material
Expect mechanics performance testing technology field.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model partial structural diagram；
Fig. 3 is the utility model high temperature furnace structure diagram；
Fig. 4 is enlarged structure schematic diagram at A in Fig. 3；
Fig. 5 is two structure diagram of the utility model embodiment.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for
Convenient for description the utility model and simplify description rather than instruction or imply signified equipment or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
Embodiment one
As shown in Figure 1, Figure 2 with shown in Fig. 3, a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material, including：
Universal testing machine 1, the universal testing machine 1 is the stent of frame plate structure, internal to form installation space 10, side
Guide rail is installed on stent, and horizontal symmetrical is equipped with upper beam 11 and bottom end rail 12 on its side stand, which is
Loading movement is completed during experiment, and support and operating space are provided for fixed component；
High temperature furnace 2, the high temperature furnace 2 are installed on the guide rail of 1 side stand of universal testing machine, are located at the installation
In space 10, by guide rail it is made to move to the center of universal testing machine 1 when high temperature is tested, including furnace body 21, the furnace body
Arrangement is provided with several ceramic heating elements 210 in 21, realizes that the uniform of temperature adds in furnace body 21 by the ceramic heating element 210
It carries, and several through holes 211 is symmetrically offered on its left and right sides furnace wall；
High-temperature clamp 3, the high-temperature clamp 3 include the upper fixture 31 being respectively arranged on the upper beam 11 and are installed on
Sample clamp 32 on the bottom end rail 12, is used to fix sample to be tested；3 material of high-temperature clamp is special high temperature-resistant
Alloy material, the test available for mechanical property under 1100 DEG C of high temperature；And the high-temperature clamp 3 includes flexural strength, pressure-resistant
The performances fixture such as intensity, tensile strength, is respectively applied to different Mechanics Performance Testings.
Temp measuring system 4, the temp measuring system 4 is electrically connected by the through hole 211 with the high temperature furnace 2, including sample
Thermocouple and temperature-control heat couple, for measuring sample actual temperature, temperature-control heat couple is used to measure furnace body 21 sample thermocouple
Actual control temperature, and the sample thermocouple and temperature-control heat couple are preferably arranged to the Type B platinum rhodium heat with ceramic protective sleeve
Galvanic couple；
Software analysis system 5, the software analysis system 5 are computer system, be may be contained with the temp measuring system 4
On the tables 41 of the 1 outer one side of universal testing machine, and with the loading velocity during its software Control experiment, display force value is bent
Line simultaneously calculates intensity；
Recirculating cooling water system 6, the recirculating cooling water system 6 are located at the one side outside the universal testing machine 1, pass through
Pipeline is connected with the high temperature furnace 2；
Vacuum pump 7, the vacuum pump 7 are located at another outside the universal testing machine 1 compared with the recirculating cooling water system 6
One side is connected by pipeline with the high temperature furnace 2；And
Inert gas bottle 8, the inert gas bottle 8 and the vacuum pump 7 are arranged at the same side, by pipeline with it is described
High temperature furnace 2 connects.
It should be noted that specimen holder is handled using high-temperature clamp 3, close high temperature furnace 2, by guide rail by high temperature
Stove 2 is transferred to the center of universal testing machine 1, and vacuum pump 7 works carries out vacuumize process to high temperature furnace 2, then inert gas bottle 8
Inert gas is passed through into high temperature furnace 2, prevents sample from being aoxidized in high temperature environments, is carried out in 210 working furnace of ceramic heating element
Stablize heating, data at each temperature are recorded by temp measuring system 4 and software analysis system 5.
As shown in figure 4, as a preferred embodiment, the upper fixture 31 includes fixed connect with sample clamp 32
The ceramic clamp head 311 and ceramic connecting rod 312 connect, the ceramics clamp head 311 are located at the inside of the high temperature furnace 2, the pottery
Porcelain connecting rod 312 is fastenedly connected by clamp nut with the upper beam 11 and bottom end rail 12 respectively.
Wherein, the upper beam 11 and bottom end rail 12 are slideably positioned on the universal testing machine 1, can be along vertical
It slides in direction.
It should be noted that after sample is positioned on sample clamp 32,11 slide downward of upper beam makes upper fixture
31, just not in contact with to sample, coordinate sample clamp 32 to be clamped fixation to sample.
Embodiment is preferably as one kind, the through hole 211 includes the hole a being symmetrically arranged and hole b and hole c
With hole d.
As a preferred embodiment, the temp measuring system 4 is electrically connected by hole a with the high temperature furnace 2；It is described to follow
Ring cooling water system 6 is connected by hole c with high temperature furnace 2；The vacuum pump 7 is connected by hole b with high temperature furnace 2；The indifferent gas
Body bottle 8 is connected by hole d with high temperature furnace 2.
As a preferred embodiment, the high temperature furnace 2 is vacuum atmosphere high temperature furnace, it can be achieved that vacuumizing, being logical lazy
Property gas function, temperature-controlled precision reaches ± 0.5 DEG C, more preferably reliable by the accurate control experimental result to temperature.
Embodiment two
Fig. 5 is a kind of embodiment two of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material of the utility model
A kind of structure diagram；As shown in figure 5, it is wherein used with a kind of identical or corresponding component of embodiment corresponding with embodiment one
Reference numeral, for simplicity, hereafter only description and the distinctive points of embodiment one, the embodiment two and implementation shown in FIG. 1
Example one the difference is that：
As a preferred embodiment, the ceramic connecting rod 312 is arranged to telescopic rod, sensing dress is installed thereon
It puts, when ceramic connecting rod 312 extends, after ceramic clamp head 311 is contacted with sample, the signal sent by sensing device stops continuing
Clamping work is completed in elongation.
Embodiment three
The utility model additionally provides a kind of test method of graphite material high-temperature mechanics intensity, comprises the following steps：
Step 1：Sample is loaded, by sample setup on sample clamp 32,11 position of upper beam is adjusted, makes upper fixture 31
Just not in contact with to sample；
Step 2：Sample thermocouple location is regulated, it is made close to sample, to close fire door as far as possible；
Step 3：High temperature furnace 2 is vacuumized, leads to inert gas, cycles this operation 3 times, logical inert gas is to just afterwards
It presses and keeps；
Step 4：The temperature program of high temperature furnace is set, and furnace body is started to warm up to treating testing temperature, and keeps 10min；
Step 5：Mechanical property measurement is proceeded by, force value is recorded, and calculates.
The utility model utilizes above-mentioned test device and method, clamps graphite using flexural strength performance fixture and captures
Mechanical property parameter measures the high temperature break resistant intensity of graphite, temperature range control for room temperature to 1100 DEG C, every 200
DEG C corresponding flexural strength value of measurement.
The utility model utilizes above-mentioned test device and method, clamps graphite using tensile strength properties fixture and captures
Mechanical property parameter measures the high temperature tensile strength of graphite, temperature range for room temperature to 1100 DEG C, every 200 DEG C survey
Measure corresponding tensile strength values.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material, which is characterized in that including：
Universal testing machine (1), the universal testing machine (1) is the stent of frame plate structure, internal to form installation space (10),
Guide rail is installed, and horizontal symmetrical is equipped with upper beam (11) and bottom end rail (12) on its side stand on side stand；
High temperature furnace (2), the high temperature furnace (2) are installed on the guide rail of the universal testing machine (1) side stand, are located at the peace
It fills in space (10), arranges including furnace body (21), in the furnace body (21) and be provided with several ceramic heating elements (210), and its
Several through holes (211) are symmetrically offered on the furnace wall of the left and right sides；
High-temperature clamp (3), the high-temperature clamp (3) include the upper fixture (31) being respectively arranged on the upper beam (11) and peace
Loaded on the sample clamp (32) on the bottom end rail (12), it is used to fix sample to be tested；
Temp measuring system (4), the temp measuring system (4) are electrically connected by the through hole (211) with the high temperature furnace (2), including
Sample thermocouple and temperature-control heat couple；
Software analysis system (5), the software analysis system (5) are computer system, are respectively provided with the temp measuring system (4)
In on the tables (41) of the universal testing machine (1) outer one side；
Recirculating cooling water system (6), the recirculating cooling water system (6) are located at the one side of the universal testing machine (1) outside, lead to
Piping is connected with the high temperature furnace (2)；
Vacuum pump (7), the vacuum pump (7) are located at the universal testing machine (1) outside compared with the recirculating cooling water system (6)
Opposite side, be connected by pipeline with the high temperature furnace (2)；And
Inert gas bottle (8), the inert gas bottle (8) are arranged at the same side with the vacuum pump (7), pass through pipeline and institute
State high temperature furnace (2) connection.
2. a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material according to claim 1, feature
It is, the upper fixture (31) includes the ceramic clamp head (311) and the ceramic connecting rod that are fixedly connected with sample clamp (32)
(312), the ceramic clamp head (311) is located at the inside of the high temperature furnace (2), and the ceramic connecting rod (312) is by fastening spiral shell
Mother stock is not fastenedly connected with the upper beam (11) and bottom end rail (12).
3. a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material according to claim 2, feature
It is, the upper beam (11) is slideably positioned in bottom end rail (12) on the universal testing machine (1), can be along vertical side
To slip.
4. a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material according to claim 2, feature
It is, the ceramic connecting rod (312) is arranged to telescopic rod, is equipped with sensing device thereon.
5. a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material according to claim 1, feature
It is, the through hole (211) includes the hole a being symmetrically arranged and hole b and hole c and hole d.
6. a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material according to claim 5, feature
It is, the temp measuring system (4) is electrically connected by hole a with the high temperature furnace (2)；The recirculating cooling water system (6) passes through hole c
It is connected with high temperature furnace (2)；The vacuum pump (7) is connected by hole b with high temperature furnace (2)；The inert gas bottle (8) passes through hole d
It is connected with high temperature furnace (2).
7. a kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material according to claim 1, feature
It is, the high temperature furnace (2) is vacuum atmosphere high temperature furnace.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562164.9U CN207456931U (en) | 2017-11-21 | 2017-11-21 | A kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721562164.9U CN207456931U (en) | 2017-11-21 | 2017-11-21 | A kind of test device for 1100 DEG C of mechanicals behavior under high temperature of graphite material |
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| CN207456931U true CN207456931U (en) | 2018-06-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627678A (en) * | 2018-06-27 | 2018-10-09 | 深圳供电局有限公司 | A kind of compound earthing material resistivity measurement fixture of graphite |
| CN109001046A (en) * | 2018-07-03 | 2018-12-14 | 华北水利水电大学 | Test the pilot system and method for deep rock mass I type fracture toughness |
| CN109269877A (en) * | 2018-11-02 | 2019-01-25 | 航天特种材料及工艺技术研究所 | A kind of ultra-temperature mechanical performance test high temperature furnace and its heating means |
| CN109342212A (en) * | 2018-10-15 | 2019-02-15 | 西北工业大学 | Superhigh temperature fatigue experimental device and its fixture |
| CN110108574A (en) * | 2019-05-27 | 2019-08-09 | 南京工业大学 | A kind of assembled high temperature loading test platform |
| CN111812143A (en) * | 2020-07-17 | 2020-10-23 | 贵州理工学院 | Method and device for testing temperature-rising sintering characteristic of solid continuous casting covering slag |
| CN112179265A (en) * | 2020-09-25 | 2021-01-05 | 大连理工大学 | Device and method for calibrating static performance of high-temperature strain sensor |
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2017
- 2017-11-21 CN CN201721562164.9U patent/CN207456931U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627678A (en) * | 2018-06-27 | 2018-10-09 | 深圳供电局有限公司 | A kind of compound earthing material resistivity measurement fixture of graphite |
| CN109001046A (en) * | 2018-07-03 | 2018-12-14 | 华北水利水电大学 | Test the pilot system and method for deep rock mass I type fracture toughness |
| CN109342212A (en) * | 2018-10-15 | 2019-02-15 | 西北工业大学 | Superhigh temperature fatigue experimental device and its fixture |
| CN109269877A (en) * | 2018-11-02 | 2019-01-25 | 航天特种材料及工艺技术研究所 | A kind of ultra-temperature mechanical performance test high temperature furnace and its heating means |
| CN110108574A (en) * | 2019-05-27 | 2019-08-09 | 南京工业大学 | A kind of assembled high temperature loading test platform |
| CN111812143A (en) * | 2020-07-17 | 2020-10-23 | 贵州理工学院 | Method and device for testing temperature-rising sintering characteristic of solid continuous casting covering slag |
| CN112179265A (en) * | 2020-09-25 | 2021-01-05 | 大连理工大学 | Device and method for calibrating static performance of high-temperature strain sensor |
| CN112179265B (en) * | 2020-09-25 | 2021-08-10 | 大连理工大学 | Device and method for calibrating static performance of high-temperature strain sensor |
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Address after: 313100 9 Zhonggang Avenue, Chicheng Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Sinosteel new materials Co.,Ltd. Address before: 313100 9 Zhonggang Avenue, Chicheng Town, Changxing County, Huzhou City, Zhejiang Province Patentee before: SINOSTEEL CORPORATION NEW MATERIAL (ZHEJIANG) Co.,Ltd. |
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Address after: 313100 9 Zhonggang Avenue, Chicheng Town, Huzhou City, Zhejiang Province Patentee after: Symantec Advanced Materials Co.,Ltd. Address before: 313100 9 Zhonggang Avenue, Chicheng Town, Changxing County, Huzhou City, Zhejiang Province Patentee before: Sinosteel new materials Co.,Ltd. |