CN111521491A - Temperature-strain high-flux aging test device - Google Patents
Temperature-strain high-flux aging test device Download PDFInfo
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- CN111521491A CN111521491A CN202010319901.2A CN202010319901A CN111521491A CN 111521491 A CN111521491 A CN 111521491A CN 202010319901 A CN202010319901 A CN 202010319901A CN 111521491 A CN111521491 A CN 111521491A
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 230000032683 aging Effects 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000012671 ceramic insulating material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
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- 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
- G01N3/18—Performing tests at high or low temperatures
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- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- 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
- G01N2203/0017—Tensile
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- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- 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
- G01N2203/0226—High temperature; Heating means
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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
- G01N2203/0647—Image analysis
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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0694—Temperature
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Abstract
The invention discloses a temperature-strain high-flux aging test device, which comprises: the multi-temperature loading unit comprises a temperature control module and a temperature loading device, the temperature control module is electrically connected with the temperature loading device, the temperature loading device comprises a plurality of heating contacts, and the heating temperature of each heating contact is controlled by the temperature control module and is used for heating the same sample at different temperatures in different areas at the same time; the axial force loading unit is used for applying different strain loads to different areas of the sample; the image measuring unit is used for acquiring digital images of samples at each stage of the aging test; and the control unit is respectively connected with the multi-temperature loading unit, the axial force loading unit and the image measuring unit so as to realize the control of the test device. The test device provided by the invention has the advantages of good data comparability, low test cost, high test efficiency and the like.
Description
Technical Field
The invention relates to the technical field of accelerated aging, in particular to a temperature-strain high-flux aging test device.
Background
Researchers react the aging characteristics of the materials by testing physical and chemical performance parameters of the materials at different storage stages. For viscoelastic materials such as composite solid propellants, researchers typically study the aging performance during storage by testing the physical property parameters such as elastic modulus, poisson's ratio, hardness, etc. Because the natural aging time period of the material is long, researchers adopt an artificial accelerated aging experiment mode, and the experiment mainly considers influence factors such as temperature, strain and the like.
At present, a plurality of aging temperature boxes and a plurality of sets of experiment tools are required to be arranged in a composite solid propellant manual accelerated aging experiment so as to correspond to different temperature and strain working conditions, and a plurality of samples are taken out in each aging time period to carry out performance parameter tests such as elastic modulus, Poisson ratio, hardness and the like. Due to the adoption of a destructive testing mode, the test sample cannot be put back into the incubator for recycling after being tested, and a plurality of test samples from different incubators and tools need to be consumed at each aging sampling time point, so that the individual difference of the test samples is large, the data comparability is poor, the test sample consumption is large, the test cost is high, the sample size is large, and the test efficiency is low.
Disclosure of Invention
The invention provides a temperature-strain high-flux aging test device which is used for overcoming the defects of poor data comparability, high test cost, low test efficiency and the like in the prior art.
In order to achieve the above object, the present invention provides a temperature-strain high flux aging test apparatus, comprising:
the multi-temperature loading unit comprises a temperature control module and a temperature loading device, the temperature control module is electrically connected with the temperature loading device, the temperature loading device comprises a plurality of heating contacts, and the heating temperature of each heating contact is controlled by the temperature control module and is used for heating the same sample at different temperatures in different areas at the same time;
the axial force loading unit is used for applying different strain loads to different areas of the sample;
the image measuring unit is used for acquiring digital images of samples at each stage of the aging test;
and the control unit is respectively connected with the multi-temperature loading unit, the axial force loading unit and the image measuring unit so as to realize the control of the test device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the temperature-strain high-flux aging test device provided by the invention, the multiple temperature loading units can be effectively controlled through the control unit, so that the heating of different temperatures in different areas can be realized on the same sample at the same time, meanwhile, the multiple temperature loading units can accurately heat the sample, and the temperature value of the test point of the sample can be displayed in real time; the magnitude of the strain load applied to the sample can be effectively controlled through the axial force loading unit (namely, the magnitude of the axial force is matched with the shape of the sample, and the magnitude of the strain load can be monitored by the control unit in real time. The test device provided by the invention can realize the application of gradient temperature load and gradient strain load on a sample.
2. The temperature-strain high-flux aging test device provided by the invention can realize different aging temperature and different strain load tests by only using one sample, and has good data comparability (the conventional artificial accelerated aging test needs samples from a plurality of incubators and tools and has large individual difference); the performance test is realized by acquiring digital images and processing later-stage images under the condition of not changing any state of the sample, the sample is not damaged at all, the test area contains aging influence factors such as different temperatures, different stresses and the like, and the method has the advantages of low test cost (compared with the conventional manual accelerated aging test, the number of aging temperature boxes and samples, labor and time cost are greatly reduced) and high test efficiency (the test area contains samples in different states which can represent the conventional test, and the acquired digital image information has large quantity and replaces a plurality of test items such as elastic modulus, Poisson ratio and the like).
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a structural diagram of a temperature-strain high-flux aging test device provided by the invention;
FIG. 2 is a structural diagram of a temperature loading device in a temperature-strain high-flux aging test device provided in example 1;
FIG. 3 is a structural diagram of the axial force control member in the temperature-strain high-flux aging test equipment provided in example 1.
The reference numbers illustrate: 1: a control unit; 2: an image measuring unit; 3: a temperature control module; 4: a temperature loading device; 41: a heater; 42: a heating rod; 43: a fixing plate; 5: a load bar; 6: an axial force control member; 7: a concave support frame; 8: a sample holder; 81: a sample; 9: a sensor.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a temperature-strain high-flux aging test device, which comprises:
the multi-temperature loading unit comprises a temperature control module and a temperature loading device, the temperature control module is electrically connected with the temperature loading device, the temperature loading device comprises a plurality of heating contacts, and the heating temperature of each heating contact is controlled by the temperature control module and is used for heating the same sample at different temperatures in different areas at the same time;
the axial force loading unit is used for applying different strain loads to different areas of the sample;
the image measuring unit is used for acquiring digital images of samples at each stage of the aging test; speckle characteristics of the surface of the sample in the aging process under temperature and strain load can be clearly recorded, and the speckle characteristics can be used for processing by a later digital image correlation method to obtain performance parameters such as elastic modulus, Poisson ratio and the like;
and the control unit is respectively connected with the multi-temperature loading unit, the axial force loading unit and the image measuring unit so as to realize the control of the test device.
Preferably, the temperature loading device comprises a heater, a plurality of heating rods and a fixing plate for fixing the heating rods; each heating rod is provided with one heating contact;
the heating rods are fixed on the fixing plate and are respectively electrically connected with the heater;
the heater is electrically connected with the temperature control unit.
The circuit of the heater and the heating rod comprises a power supply, a signal receiving module and a display module. The power supply is used for heating and driving the device; the signal receiving module is used for receiving an instruction sent by the control unit; the display module is used for displaying the temperature of the heating rod in real time.
According to specific test requirements, the heating temperature of each heating rod is respectively set through the control unit, signals are sent to the heater, the heater receives the signals and then energizes and heats the heating rods according to the set heating temperature of each heating rod, and when the heating rods reach the set heating temperature, the heating rods enter a heat preservation mode to maintain the heating temperature of the heating rods. By means of the test device, the temperature load with gradient distribution can be applied to one sample.
Preferably, the heating rod is made of metal or alloy, and is convenient to be rapidly heated to a set temperature.
Preferably, the fixing plate is made of an insulating, heat-insulating material. The fixed plate is used for fixing the heating rod and simultaneously preventing the heating rod from being damaged by high temperature and electric leakage.
Preferably, the axial force loading unit comprises a load lever and an axial force control member;
two ends of the load bearing rod respectively penetrate through two arms of the concave supporting frame, and a sample rack for placing a sample is arranged on the load bearing rod;
the axial force control piece is arranged at one end of the load rod and used for applying a strain load to the sample.
Preferably, the axial force control member is an axial force adjusting ruler with displacement scales, so that the magnitude of the applied axial load can be accurately controlled.
Preferably, the axial force loading unit further comprises a sensor, wherein the sensor is arranged on the load carrying rod, is electrically connected with the control unit and is used for displaying the axial force applied to the sample in real time.
Preferably, the concave support frame is made of metal and is used for bearing the multi-temperature loading unit and the axial force loading unit. The metal material has strong bearing capacity and is not easy to deform.
Preferably, the load bar is made of a bending-resistant material to prevent the load bar from bending and deforming when an axial load is applied, thereby influencing the test result.
Preferably, the image measuring unit is a camera with a double telecentric lens so as to clearly shoot the aging image of the sample.
Preferably, the control unit comprises a computer, tablet or cell phone.
Preferably, the control unit further includes various data processing software. Various data processing software is installed in the computer and used for calculating the mechanical parameters of the sample according to the images collected by the camera, the sensor measurement data, the sample outline dimension data and the temperature measurement data. The data processing software includes DIC (digital image correlation) data processing software. The testing device provided by the invention can acquire the optical characteristics of the surface of the sample through DIC and analyze the mechanical property parameters such as deformation, displacement and the like.
The image measuring unit can be calculated through the sample pictures collected by the image measuring unit, and the modulus, the Poisson ratio and other performance parameters of the propellant in the high-temperature accelerated aging process can be calculated by combining the stress borne by the sample collected by the sensor.
Example 1
The present embodiment provides a temperature-strain high-flux aging test apparatus, as shown in fig. 1, including:
the multi-temperature loading unit comprises a temperature control module 3 and a temperature loading device 4, the temperature control module 3 is electrically connected with the temperature loading device 4, the temperature loading device 4 comprises a plurality of heating contacts, and the heating temperature of each heating contact is controlled by the temperature control module 3 and is used for heating the same sample at different temperatures in different areas at the same time;
the axial force loading unit is used for applying different strain loads to different areas of the sample;
the image measuring unit 2 is used for collecting digital images of samples at each stage of the aging test;
and the control unit 1 is respectively connected with the multi-temperature loading unit, the axial force loading unit and the image measuring unit so as to realize the control of the test device.
In this embodiment, the temperature loading device 4 is shown in fig. 2, and includes a heater 41, six heating rods 42, and a fixing plate 43 for fixing the heating rods; the six heating rods 42 are all made of alloy; the fixing plate 43 is made of ceramic insulating material; each heating rod 42 is provided with a heating contact;
six heating rods 42 are uniformly fixed on the fixing plate 43 in parallel and electrically connected with the heater 41; six heating rods 42 are uniformly distributed at the bottom of the sample 81 along the axis of the sample 81, and six heating rods 42 are provided with heating contact ends to be attached to the sample 81.
The heater 41 is electrically connected to the temperature control unit 3.
The temperature control unit 3 is used for temperature control, and the temperature control unit 3 has a plurality of voltage outputs simultaneously, can realize grouping output voltage. The heater 41 is used to manage the heating temperature of the heating rod 42, like a distribution manifold. The communication line of the heater 41 and the heating rod 42 has a heating effect. The heater 41 has a separate power supply circuit with each heater rod 42 to vary the heating effect (i.e. to vary the heating temperature of the heater rod 42) by varying the voltage applied to the heater rod 42.
The axial force loading unit comprises a load lever 5 and an axial force control member 6; the axial force control member 6 is an axial force adjusting ruler with displacement scales, as shown in fig. 3;
two ends of the load bearing rod 5 respectively penetrate through two arms of the concave supporting frame 7, and a sample rack 8 for placing a sample is arranged on the load bearing rod 5; the concave support frame 7 is made of metal; the load carrying rod is made of bending-resistant materials;
the axial force control member 6 is arranged at one end of the load rod 5 and is used for applying axial load to the sample.
The axial force loading unit further comprises a sensor 9, wherein the sensor 9 is arranged on the load carrying rod 5, is electrically connected with the control unit 1 and is used for displaying the axial force (namely the pulling force) applied to the sample in real time.
The image measuring unit 2 is a camera with a double telecentric lens.
The control unit 1 includes a computer and DIC data processing software installed in the computer.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A temperature-strain high-flux aging test apparatus, comprising:
the multi-temperature loading unit comprises a temperature control module and a temperature loading device, the temperature control module is electrically connected with the temperature loading device, the temperature loading device comprises a plurality of heating contacts, and the heating temperature of each heating contact is controlled by the temperature control module and is used for heating the same sample at different temperatures in different areas at the same time;
the axial force loading unit is used for applying different strain loads to different areas of the sample;
the image measuring unit is used for acquiring digital images of samples at each stage of the aging test;
and the control unit is respectively connected with the multi-temperature loading unit, the axial force loading unit and the image measuring unit so as to realize the control of the test device.
2. The temperature-strain high-flux aging test device according to claim 1, wherein the temperature loading device comprises a heater, a plurality of heating rods and a fixing plate for fixing the heating rods; each heating rod is provided with one heating contact;
the heating rods are fixed on the fixing plate and are respectively electrically connected with the heater;
the heater is electrically connected with the temperature control unit.
3. The temperature-strain high-throughput weathering test apparatus of claim 2, wherein the heating rod is made of metal or alloy.
4. The temperature-strain high-flux weathering test apparatus of claim 2, wherein the fixing plate is made of an insulating, heat-insulating material.
5. The temperature-strain high-flux weathering test apparatus of claim 1, wherein the axial force loading unit includes a load bar and an axial force control;
two ends of the load bearing rod respectively penetrate through two arms of the concave supporting frame, and a sample rack for placing a sample is arranged on the load bearing rod;
the axial force control piece is arranged at one end of the load rod and used for applying a strain load to the sample.
6. The temperature-strain high-flux weathering test apparatus of claim 5, wherein the axial force control member is an axial force adjusting ruler with displacement scales.
7. The temperature-strain high-flux aging test device according to claim 5, wherein the axial force loading unit further comprises a sensor, and the sensor is arranged on the loading rod, is electrically connected with the control unit, and is used for displaying the magnitude of the axial force applied to the sample in real time.
8. The temperature-strain high-flux aging test device of claim 5, wherein the concave support frame is made of metal and is used for bearing the multi-temperature loading unit and the axial force loading unit.
9. The temperature-strain high-flux weathering test apparatus of claim 5, wherein the load bar is made of a bending-resistant material.
10. The temperature-strain high-throughput weathering test apparatus of claim 1, wherein the image measuring unit is a camera with a double telecentric lens.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310696A (en) * | 2021-05-28 | 2021-08-27 | 中国人民解放军国防科技大学 | Engine charging aging test method and charging tester |
| CN113324846A (en) * | 2021-05-28 | 2021-08-31 | 中国人民解放军国防科技大学 | Accelerated aging test method and device for solid propellant |
| CN113820214A (en) * | 2021-11-25 | 2021-12-21 | 北京理工大学 | Method and system for measuring Poisson's ratio of solid propellant |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697862A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Thermo-mechanical coupling loading method for thermal strength tests |
| CN105403474A (en) * | 2015-10-29 | 2016-03-16 | 中国兵器工业第五九研究所 | Natural acceleration testing device and method of composite solid propellant |
| CN107179242A (en) * | 2017-06-26 | 2017-09-19 | 东南大学 | A kind of manual simplified true triaxil tester |
| CN207197956U (en) * | 2017-09-22 | 2018-04-06 | 四川大学 | Temperature, stress, medium various factors coupling aging equipment |
| CN107923828A (en) * | 2015-08-24 | 2018-04-17 | 航天喷气发动机洛克达因股份有限公司 | The technique for carrying out nondestructive testing using direct strain imaging |
| CN109297896A (en) * | 2018-10-31 | 2019-02-01 | 中国兵器工业第五九研究所 | A kind of composite solidpropellant agine mechaism method for evaluating consistency |
| CN109507015A (en) * | 2018-12-18 | 2019-03-22 | 上海航天化工应用研究所 | The normal high-temperature stress relaxation experimental rig of five station solid propellants of one kind and method |
| CN109883876A (en) * | 2019-03-04 | 2019-06-14 | 清华大学 | The method of the sample and thermal modeling test of thermal modeling test |
| CN109946126A (en) * | 2019-03-04 | 2019-06-28 | 清华大学 | A kind of high-throughput experimental method obtaining alloy material plastic forming process and property relationship |
| CN110006653A (en) * | 2019-04-23 | 2019-07-12 | 湖北航天化学技术研究所 | A kind of equivalent accelerated test method of solid engines powder charge low temperature stress |
| CN110320108A (en) * | 2019-07-11 | 2019-10-11 | 内蒙合成化工研究所 | A kind of experimental provision and application method of solid propellant endurance assessment identification |
-
2020
- 2020-04-22 CN CN202010319901.2A patent/CN111521491B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697862A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Thermo-mechanical coupling loading method for thermal strength tests |
| CN107923828A (en) * | 2015-08-24 | 2018-04-17 | 航天喷气发动机洛克达因股份有限公司 | The technique for carrying out nondestructive testing using direct strain imaging |
| CN105403474A (en) * | 2015-10-29 | 2016-03-16 | 中国兵器工业第五九研究所 | Natural acceleration testing device and method of composite solid propellant |
| CN107179242A (en) * | 2017-06-26 | 2017-09-19 | 东南大学 | A kind of manual simplified true triaxil tester |
| CN207197956U (en) * | 2017-09-22 | 2018-04-06 | 四川大学 | Temperature, stress, medium various factors coupling aging equipment |
| CN109297896A (en) * | 2018-10-31 | 2019-02-01 | 中国兵器工业第五九研究所 | A kind of composite solidpropellant agine mechaism method for evaluating consistency |
| CN109507015A (en) * | 2018-12-18 | 2019-03-22 | 上海航天化工应用研究所 | The normal high-temperature stress relaxation experimental rig of five station solid propellants of one kind and method |
| CN109883876A (en) * | 2019-03-04 | 2019-06-14 | 清华大学 | The method of the sample and thermal modeling test of thermal modeling test |
| CN109946126A (en) * | 2019-03-04 | 2019-06-28 | 清华大学 | A kind of high-throughput experimental method obtaining alloy material plastic forming process and property relationship |
| CN110006653A (en) * | 2019-04-23 | 2019-07-12 | 湖北航天化学技术研究所 | A kind of equivalent accelerated test method of solid engines powder charge low temperature stress |
| CN110320108A (en) * | 2019-07-11 | 2019-10-11 | 内蒙合成化工研究所 | A kind of experimental provision and application method of solid propellant endurance assessment identification |
Non-Patent Citations (2)
| Title |
|---|
| 潘兵;吴大方;高镇同;: "基于数字图像相关方法的非接触高温热变形测量系统" * |
| 石亮;李慧娟;张鹭;王俊涛;: "数字图像相关法在材料拉伸试验中的应用" * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310696A (en) * | 2021-05-28 | 2021-08-27 | 中国人民解放军国防科技大学 | Engine charging aging test method and charging tester |
| CN113324846A (en) * | 2021-05-28 | 2021-08-31 | 中国人民解放军国防科技大学 | Accelerated aging test method and device for solid propellant |
| CN113310696B (en) * | 2021-05-28 | 2022-04-22 | 中国人民解放军国防科技大学 | Engine charging aging test method and charging tester |
| CN113820214A (en) * | 2021-11-25 | 2021-12-21 | 北京理工大学 | Method and system for measuring Poisson's ratio of solid propellant |
| CN113820214B (en) * | 2021-11-25 | 2022-03-15 | 北京理工大学 | Method and system for measuring Poisson's ratio of solid propellant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111521491B (en) | 2023-04-18 |
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