CN105758728A - Variable-temperature composite load in-situ testing platform - Google Patents
Variable-temperature composite load in-situ testing platform Download PDFInfo
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- CN105758728A CN105758728A CN201610242805.6A CN201610242805A CN105758728A CN 105758728 A CN105758728 A CN 105758728A CN 201610242805 A CN201610242805 A CN 201610242805A CN 105758728 A CN105758728 A CN 105758728A
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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
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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
- G01N3/02—Details
- G01N3/04—Chucks
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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
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
- G01N2203/0064—Initiation of crack
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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
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
- G01N2203/0066—Propagation of crack
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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
- G01N2203/0202—Control of the test
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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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention relates to a variable-temperature composite load in-situ testing platform and belongs to the field of testing of micromechanical properties of material.The testing platform integrates a variable-temperature module, a composite loading module and an in-situ observing module, the variable-temperature is composed of a built-in sensor type super heat gun, a digital temperature regulator and a thermocouple temperature sensor, the variable-temperature module can regulate and control testing temperature accurately, the composite loading module is composed of a drive unit, a transmission unit and a signal acquisition unit, composite loading is provided by a novel circular fixture, the variable-temperature module and the composite loading module are compact in structure, current mainstream optical microscope and electronic microscope can be integrated conveniently to monitor in situ an evolution process of the interior of a material when the material experiences crack initiation, development and destruction under the joint action of temperature and composite load, and novel testing means and method are provided for deeply understanding microscopic nature of the properties of the material, understanding macroscopic law of the material and revealing mechanical behaviors of the material under the joint action of temperature field and composite load.
Description
Technical field
The present invention relates to a kind of alternating temperature combined load in-situ mechanical test platform, belong to material Micro Mechanical Properties field tests, test platform is integrated with alternating temperature module, Combined Loading module, in-situ observation module.Combined Loading module is by driver element, gear unit and signal gathering unit composition, Combined Loading form is realized by novel annular holder, the axis direction of test specimen can being made to become different tests angle with draw direction thus constructing different stress states by high accuracy number clinometer, making the stress of test specimen be more nearly true service state.Alternating temperature module is adjusted device, thermocouple temperature sensor to form by the built-in super-hot air pressure gun of sensor, numeral temperature, can regulate and control test temperature accurately.Alternating temperature module and Combined Loading modular structure are compact, it is easy to the optical microscope of integrated current main flow and ultramicroscope carries out in-situ monitoring material evolutionary process of material inside organization when crack initiation, extension, destruction under different temperatures and combined load combined effect, for understanding the microscopic nature of material property in depth, understand the macroscopic law of material, disclose material mechanical behavior under temperature field and combined load combined effect and provide brand-new means of testing and method.
Background technology
The research and development of new material new process and the basis that application is industrial development, and the development of Material Testing Technology is research manufacture new material, deeply probes into the important means of existing material property.Material mechanical performance measuring technology, mainly for obtaining the elastic modelling quantity of material, shear modulus, the mechanics parameter macroscopically such as yield limit and strength degree, fast development along with material science and technology, all kinds of new materials continue to bring out, and the specific test analysis of these new materials is become domestic and international study hotspot problem, traditional material mechanical performance means of testing has not caught up with research worker and has urgently probed into the demand of material property microscopic nature, therefore in the urgent need to based on new principle, the measuring technology of new method and the appearance of instrument, for understanding the microscopic nature of material property in depth, understand the macroscopic law of material, disclose material mechanical behavior under temperature field and combined load combined effect and provide brand-new means of testing and method.
nullDevelopment along with Precision Manufacturing Technology and micro-imaging technique，In-situ testing technique based on miniaturization rises therewith，By the method for in-situ monitoring，Material complete procedure of microstructure morphology change under load effect can be known，Absolutely prove the corresponding relation between microstructure and performance，The external research to in-situ mechanical measuring technology at present is compared early，And for the scientific research field demand for in-situ testing device，Germany Kammrath&Weiss、Britain Deben and MTIInstruments company of the U.S. have been proposed the in-situ testing device of several money miniaturization，Promote the development of material in situ measuring technology，But the domestic research to in-situ testing technique starts to walk, ratio is later，The test times of material mechanical performance is so depended on traditional method of testing，Therefore the development of domestic material science is relatively backward，The costliness of foreign technology secrecy and in-situ test instrument in addition，The research institution using this novel home position testing method and instrument at home is actually rare，This is accomplished by domestic independent research and manufactures novel in-situ mechanical test instrunment，Current most of test instrunment is based on single load，Being permitted multimember loading under actual condition is not single load，Service Environment is not room temperature state yet，But the combined effect of multiple loading and temperature match curing conditions，Material damage under combined load and temperature affect、Failure behaviour is far different with the behavior under single load room temperature effect，Therefore further investigation material property is developed by the in-situ mechanical test platform of alternating temperature combined load pattern、Failure damage mechanism is significant.
Summary of the invention
Test platform is integrated with alternating temperature module, Combined Loading module, in-situ observation module.Combined Loading module is by driver element, gear unit and signal gathering unit composition, Combined Loading form is realized by novel annular holder, the axis direction of test specimen can being made to become different tests angle with draw direction thus constructing different stress states by high accuracy number clinometer, making the stress of test specimen be more nearly true service state.Alternating temperature module is made up of the built-in super-hot air pressure gun of sensor, thermoregulator, thermocouple temperature sensor, can regulate and control test temperature accurately.Test platform is that the impact of material mechanical performance is provided effective means of testing with the change of material microstructure and tissue by research temperature, examination platform can not only study the mechanical property of material under different temperatures gradient, the mechanical property of phase-change material equitemperature sensitive material can also be probed into, regulating numeral temperature before test adjusts device to be controlled by hot blast in test specimen transition temperature range, then rolling clamp determines Combined Loading form, utilizes in-situ observation device to monitor material Micromechanics behavior in real time during test.While observing in position, the displacement signal of detection and the load signal of precision force transducer detection are transported on computer by capture card by magnetic railings ruler, real-time rendering stress-strain diagram curve.
The above-mentioned purpose of this test platform is achieved through the following technical solutions: the present invention relates to a kind of alternating temperature combined load in-situ mechanical test platform, belongs to material Micro Mechanical Properties field tests.Test platform is integrated with alternating temperature module, Combined Loading module, in-situ observation module.Combined Loading module is by driver element, gear unit and signal gathering unit composition.Wherein Combined Loading module and alternating temperature module are bolted and are fixed on test platform pedestal, owing to heating sample dimensions is smaller, heater selects the built-in super-hot air pressure gun of sensor, hot air blow port footpath is 2mm, point-to-point heating can be realized, and temperature reaches as high as 800 DEG C, meet general heat run condition.In-situ observation module can the optical microscope of integrated current main flow, it is possible to be placed in scanning electron microscope.
Combined Loading module is by driver element, gear unit and signal gathering unit composition, telescopic hot blast steering tube 28 is arranged on heat gun front end by c by described driver element, guarantee that hot-air mouth is just to specimen equidistance line marking place, although heat gun can realize the point-to-point heating of 2mm bore during test, but heat can inevitably be delivered on clamp body (15) and clamp platen (25) or even connecting plate, in order to avoid high temperature failure assay device, affect test data, the part that clamp body etc. is easily subject to high temperature impact by heat insulation adhesive tape is adopted to carry out heat insulation layer by layer outside selecting exotic material to process above-mentioned part, reduce heat transmission to greatest extent.Described in-situ observation module can the optical microscope of integrated current main flow, it is possible to be placed in scanning electron microscope by test platform.
Having the beneficial effects that of this test device: current most of test instrunments are based on single load, being permitted multimember loading under actual condition is not single load, Service Environment is not room temperature state yet, but the combined effect of multiple loading and temperature match curing conditions, material damage under combined load and temperature affect, failure behaviour are far different with the behavior under single load room temperature effect, and therefore the in-situ mechanical test of alternating temperature combined load pattern is significant to further investigation material property differentiation, failure damage mechanism.This test platform is integrated with Combined Loading module, alternating temperature module, in-situ observation module, compact conformation, and rationally distributed, measuring accuracy is high.This test platform is that the impact of material mechanical performance is provided effective means of testing with the change of material microstructure and tissue by research temperature, examination platform can not only study the mechanical property of material under different temperatures gradient, the mechanical property of phase-change material equitemperature sensitive material can also be probed into, regulating numeral temperature before test adjusts device to be controlled by hot blast in test specimen transition temperature range, then rolling clamp determines Combined Loading form, utilizes in-situ observation device to monitor material Micromechanics behavior in real time during test.While observing in position, the displacement signal of detection and the load signal of precision force transducer detection are transported on computer by capture card by magnetic railings ruler, utilize LABVIEW software automatic Fitting to generate the stress-strain diagram under Action of Combined Loads.
Accompanying drawing explanation
Fig. 1 is the overall appearance structural representation of this test platform.
Fig. 2 is the schematic top plan view of this test platform.
Fig. 3 is the left view schematic diagram of this test platform.
Fig. 4 is the annular holder schematic diagram of this test platform.
Fig. 5 is the heating schematic diagram of this test platform.
The combined load that Fig. 6 is this test platform loads schematic diagram.
In figure: 1, motor flange；2, one-level worm screw I；3, first turbine；4, second-stage worm supporting seat；5, second-stage worm bearing；6, precision ball screw supporting seat；7, second-stage worm；8, two-stage turbine；9, accurate bidirectional ball-screw；10, heat gun supporting seat；11, heat gun；12, connecting plate I；13, magnetic railings ruler；14, magnetic scale；15, marmon clamp is concrete；16, clamp bolt；17, precise guide rail slide block；18, precise guide rail I；19, precision force transducer；20, precise guide rail II；21, marble base plate；22, connecting plate II；23, test specimen；24, precision DC servomotor；25, clamp platen；26, planetary gear reduction box；27, in-situ observation microscope；28, telescopic hot blast steering tube；29, heat insulation adhesive tape I；30, heat insulation adhesive tape II.
Specific embodiments
Detailed content and the detailed description of the invention thereof of the present invention is further illustrated below in conjunction with accompanying drawing.
Referring to Fig. 1 to Fig. 6, the present invention relates to a kind of alternating temperature combined load in-situ mechanical test platform, belong to material Micro Mechanical Properties field tests, test platform is integrated with alternating temperature module, Combined Loading module, in-situ observation module.Combined Loading module is by driver element, gear unit and signal gathering unit composition.Wherein Combined Loading module and alternating temperature module are bolted and are fixed on marble base plate, owing to heating sample dimensions is smaller, heater selects the built-in super-hot air pressure gun of sensor, hot air blow port footpath is 2mm, point-to-point heating can be realized, and temperature reaches as high as 800 DEG C, meet general heat run condition.In-situ observation module can the optical microscope of integrated current main flow, it is possible to be placed in scanning electron microscope.Combined Loading module is by driver element, gear unit and signal gathering unit composition, and described driver element is made up of precision DC servomotor 24, planetary gear reduction box 26, motor flange 1.Their connected mode is DC servo motor and the supporting installation of planetary gear reduction box, entirety and motor flange 1 bolt is connected and fixed on test platform pedestal 21.Gear unit adopts the deceleration of two-stage worm and gear to increase the mode turned round, first turbine 3 and one-level worm screw 2 engage each other and through planetary gear reduction box 26 output speed, motor 24 are carried out first time deceleration, second-stage worm 7 supports seat 4 screw by second-stage worm bearing 5 and second-stage worm bearing and is arranged on test platform pedestal 21, and the speed governing through two-stage worm and gear converts rotational motion into the straight reciprocating motion of accurate bidirectional ball-screw 9.Two-way ball-screw 9 is connected on the pedestal 21 of test platform by matched precision ball screw supporting seat, the connecting plate I 12 and connecting plate II 22 that produce relative displacement are connected on precise guide rail slide block 17 by ball guide screw nat, use hexagon socket head cap screw to be fixed on test platform pedestal 21 by precise guide rail I 18, precise guide rail II 20, while the straight reciprocating motion of accurate bidirectional ball-screw 9, drive connecting plate I 12 and connecting plate II 22 relative motion.Described marmon clamp concrete 15 is separately fixed on connecting plate I 12 and connecting plate II 22 by clamp bolt 16 through clamp body cannelure, precision digital clinometer is used to tighten fixture fastening screw bolt 16 after determining test angle before test, then test specimen 23 is installed, and locking on test specimen 23 with clamp platen 25 gland, thus the experimental study under realizing different stress.Signal gathering unit is by the magnetic railings ruler 13 detecting displacement, magnetic scale 14 precision force transducer 19 is constituted, their connected mode is the side that magnetic railings ruler 13 read head is fixed on connecting plate I 12, the relative displacement at direct measured material place, magnetic scale 14 is that a back is from adhesive steel band, steel band front is magnetized uniformly, can directly paste and be fixed on test platform pedestal 21, precision force transducer 19 one end is connected with the threaded one end of connecting plate II 22 with the straight plate of base ends and uses nut check, during test when connecting plate I 12 and connecting plate II 22 relative motion precision force transducer 19 be squeezed can Real-time Collection to the numerical value of load.
Described alternating temperature module is made up of heat gun 11, heat gun supporting seat 10, telescopic hot blast steering tube 28.Heat gun supporting seat 10 is connected with test platform pedestal 21, and heat gun 11 is through two heat gun supporting seats 10 and fixes with locking nut.Telescopic hot blast steering tube 28 is arranged on heat gun front end, guarantee that hot-air mouth is just to specimen equidistance line marking place, although heat gun can realize the point-to-point heating of 2mm bore during test, but heat can inevitably be delivered on clamp body 15 and clamp platen 25 or even connecting plate, in order to avoid high temperature failure assay device, affect test data, adopt the part that clamp body etc. is easily subject to high temperature impact by heat insulation adhesive tape to carry out heat insulation layer by layer outside selecting exotic material to make above-mentioned part, reduce heat transmission to greatest extent.Described in-situ observation module can the optical microscope of integrated current main flow, it is possible to be placed in scanning electron microscope by test platform.
Referring to Fig. 1 to Fig. 6, the present invention relates to a kind of alternating temperature combined load in-situ mechanical test platform, belong to material Micro Mechanical Properties field tests, test platform is integrated with alternating temperature module, Combined Loading module, in-situ observation module.Combined Loading module is by driver element, gear unit and signal gathering unit composition.The components and parts and the concrete model that are directed to be: DC servo motor 24 (model is maxonA-max26 electrographite brush 6W), epicyclic gearbox 26 (maxonGP26A), magnetic railings ruler 13 (the MSK5000 type that Siko company of Germany produces), precision force transducer 19 (CF40603-200kg), the built-in super-hot air pressure gun 11 (SEN-220V-440W-BS) of sensor, numeral temperature adjusts device (DAC-8D), thermocouple temperature sensor (5TC-GG-K-36-36) line slideway (THKSRS12M) worm and gear (KHKBG1-20R1SW1-R1), ball-screw (Jin Wangda SFK01002).
This test platform is in concrete process of the test, CAD is used to draw out test specimen 23 X-Y scheme and lead in inlet wire cut-sytle pollination software, test specimen 23 is obtained by line cutting, in order to clearly observe the destructive process of test specimen under the microscope, need surface of test piece is processed, use lapping and buffing machine surface of test piece first to be ground in polishing, remove the obvious cut of material surface, use chemical reagent that material is corroded if desired, obtain the metallographic structure of material.Use digital goniometer to determine before test and draw shear angle degree, utilize marmon clamp specifically can construct the multiple computation model at any angle between 0 °-90 °, fixture fastening screw bolt 16 is tightened after determining test angle, clamp body 15 is affixed on connecting plate I 12 and connecting plate II 22, then test specimen 23 is installed, and locks on test specimen with clamp platen 25 gland.nullThen heat gun 11 regulation and control test temperature is opened，Test temperature is adjusted device to control by the numeral temperature supporting with super-hot air pressure gun，By changing temperature、Flow，The increase and decrease of heat can be controlled easily，Adopt the real-time monitoring test temperature of thermocouple temperature sensor，Used by the coordination of thermoregulator and thermocouple temperature sensor and can obtain suitable test temperature，When after test temperature stabilization，Open the control software design of test platform，Start DC servo motor 24，After planetary gear reduction box 26 and two-stage worm and gear slow down，The rotary motion of motor is converted to accurate bidirectional ball-screw 9 straight reciprocating motion drives connecting plate I 12 and connecting plate II 22 to carry out relative motion，To test specimen imposed load，Owing to planetary gear reduction box is 19:1，Two-stage worm and gear speed reducing ratio is 400:1，Therefore quasistatic output is substantially belonged to，It is easy to in-situ observation and analyzes crack initiation、Extension form.In process of the test, magnetic railings ruler 13 read head reads S pole on magnetic scale 14 when moving, the change of N pole be the output of AB phase signals by this signal subdivision, because what magnetic railings ruler was measured is digital quantity signal, the digital quantity interface of capture card can be directly passed to thus the machine software of being generalized is read, displacement resolution is up to 1um, precision force transducer 19 one end is connected with the threaded one end of connecting plate II 22 with the straight plate of base ends and uses nut check, during test when connecting plate I 12 and connecting plate II 22 relative motion precision force transducer 19 be squeezed can Real-time Collection to the numerical value of load, the load signal of precision force transducer detection is transported on computer by capture card, LABVIEW software automatic Fitting is utilized to generate the stress-strain diagram under load effect.
In-situ observation module can the optical microscope of integrated current main flow, it is possible to be placed in scanning electron microscope.Compact of the present invention, it is simple to original position, can dynamic monitoring material evolutionary process of material inside organization when crack initiation, extension, destruction under different temperatures and combined load combined effect in conjunction with optical microscope and ultramicroscope.For understanding the microscopic nature of material property in depth, understand the macroscopic law of material, disclose material mechanical behavior under temperature field and combined load combined effect and provide brand-new means of testing and method.
Claims (4)
1. an alternating temperature combined load in-situ mechanical test platform, it is characterized in that: test platform is integrated with alternating temperature module, Combined Loading module and in-situ observation module three part, when applying combined load, test temperature can be changed, and in-situ observation microcosmic evolved behavior of material under combined load and temperature combined effect, such as crack initiation, extension and fracture mode etc.；
Described alternating temperature module is that heat gun supporting seat (10) is connected with test platform pedestal (21), heat gun (11) passes the locking hole of two heat gun supporting seats (10) and locks with locking nut, telescopic hot blast steering tube (28) is threaded connection and is arranged on heat gun front end, it is ensured that hot-air mouth is just to specimen equidistance line marking place；
Described Combined Loading module is by driver element, gear unit and signal gathering unit composition.Described driver element is DC servo motor (24) and planetary gear reduction box (26) supporting installation, entirety and motor flange (1) bolt is connected and fixed on test platform pedestal (21)；Described gear unit is that first turbine (3) engages each other with one-level worm screw (2), motor (24) is carried out first time deceleration through the rotating speed that planetary gear reduction box (26) exports, second-stage worm (7) is supportted seat (4) by second-stage worm bearing (5) and second-stage worm bearing and fixes and be arranged on test platform pedestal (21) with screw, the two-way ball-screw (9) pedestal (21) with precision ball screw supporting seat (6) supporting installation and with test platform is connected, the connecting plate I (12) and connecting plate II (22) that produce relative displacement are rigidly connected by ball guide screw nat with precise guide rail slide block (17), precise guide rail I (18), precise guide rail II (20) is connected with test platform pedestal (21).Described marmon clamp concrete (15) is separately fixed on connecting plate I (12) and connecting plate II (22) through clamp body cannelure by clamp bolt (16)；Described signal gathering unit is the side that magnetic railings ruler (13) read head is fixed on connecting plate I (12), the relative displacement at direct measured material place, magnetic scale (14) is that a back is from adhesive steel band, steel band front is magnetized uniformly, can directly pasting and be fixed on test platform pedestal (21), precision force transducer (19) one end is connected with the threaded one end of connecting plate II (22) with the straight plate of base ends and uses nut check.
2. an alternating temperature combined load in-situ mechanical test platform, it is characterized in that: require that described test platform is that the impact of material mechanical performance is provided effective means of testing with the change of material microstructure and tissue by research temperature according to right 1, examination platform can not only study the mechanical property of material under different temperatures gradient, the mechanical property of phase-change material equitemperature sensitive material can also be probed into, regulating numeral temperature before test adjusts device to be controlled by hot blast in test specimen transition temperature range, then rotating clamp specifically determines Combined Loading form, in-situ observation device is utilized to monitor material Micromechanics behavior in real time during test.
3. an alternating temperature combined load in-situ mechanical test platform, it is characterized in that: require that described test platform adopts annular test fixture according to right 1, the Combined Loading of different stress is realized by rotary annular fixture (15), the axis direction of test specimen can be made with draw direction to become different tests angle by high accuracy number clinometer, thus constructing different stress states, the stress of test specimen is made to be more nearly real service state.Annular holder is made up of jig main body (15) and clamp platen (25), design a cannelure for stationary fixture and change test angle in annular holder body rim, during design, make the gauge length center superposition of circular clamp body, the cannelure geometry center of circle and test specimen.
null4. an alternating temperature combined load in-situ mechanical test platform，It is characterized in that: according to right 2 requires，This test platform can complete in-situ mechanical testing experiment under combined load and temperature combined effect，Heater is integrated on test instrunment，In order to facilitate in-situ observation，Heater is positioned over underside just gauge length center to test specimen (23)，Loading procedure guaranteeing, heating location is in test specimen center all the time，Heater adopts the built-in super-hot air pressure gun of sensor，Point-to-point heating can be realized，Test temperature is adjusted device to control by the numeral temperature supporting with super-hot air pressure gun，By changing temperature、Flow，The increase and decrease of heat can be controlled easily，Adopt the real-time monitoring test temperature of thermocouple temperature sensor，Used by the coordination of thermoregulator and thermocouple temperature sensor and can obtain suitable test temperature.
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| CN113390706A (en) * | 2021-06-04 | 2021-09-14 | 武汉大学 | Miniature force transmission device and preparation method thereof |
| CN114111440A (en) * | 2021-11-25 | 2022-03-01 | 吉林大学 | Method for constructing and testing service condition of linear propulsion material of electromagnetic gun in situ |
| CN115121687A (en) * | 2022-07-21 | 2022-09-30 | 武汉理工大学 | Electric shock auxiliary bearing steel tensile deformation process on-line monitoring device and method |
| CN118067782A (en) * | 2024-04-19 | 2024-05-24 | 广东越新微系统研究院 | Graphene composite material heat transport test system and method based on in-situ loading |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606168A (en) * | 1993-04-30 | 1997-02-25 | Centre National De La Recherche Scientifique | In situ tensile testing machine and sample for a scanning electron microscope |
| CN103364282A (en) * | 2013-07-25 | 2013-10-23 | 常熟理工学院 | Test method for soft-solder alloy creep-deformation performance and testing device used by method |
| CN203337479U (en) * | 2013-06-07 | 2013-12-11 | 吉林大学 | Double-shaft double-way stretching/compressing in-situ testing system with coupled thermo-mechanics loading |
| CN103528880A (en) * | 2013-10-17 | 2014-01-22 | 吉林大学 | On-site testing platform for micromechanical property of material in shearing-torsion loading combination mode |
| CN203422174U (en) * | 2013-07-29 | 2014-02-05 | 中国石油天然气股份有限公司 | Temperature-sensing probe detector |
| CN104121699A (en) * | 2013-04-23 | 2014-10-29 | 法科达拉(苏州)包装有限公司 | Heat gun temperature controller |
| CN105067431A (en) * | 2015-07-17 | 2015-11-18 | 吉林大学 | Tension-shear preload based in-situ indentation testing device and method |
| CN105223076A (en) * | 2015-07-17 | 2016-01-06 | 吉林大学 | Material in situ proving installation and method under multi-load multiple physical field coupling service condition |
| CN205879682U (en) * | 2016-04-18 | 2017-01-11 | 吉林大学 | Compound load normal position mechanical testing platform of alternating temperature |
-
2016
- 2016-04-18 CN CN201610242805.6A patent/CN105758728A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606168A (en) * | 1993-04-30 | 1997-02-25 | Centre National De La Recherche Scientifique | In situ tensile testing machine and sample for a scanning electron microscope |
| CN104121699A (en) * | 2013-04-23 | 2014-10-29 | 法科达拉(苏州)包装有限公司 | Heat gun temperature controller |
| CN203337479U (en) * | 2013-06-07 | 2013-12-11 | 吉林大学 | Double-shaft double-way stretching/compressing in-situ testing system with coupled thermo-mechanics loading |
| CN103364282A (en) * | 2013-07-25 | 2013-10-23 | 常熟理工学院 | Test method for soft-solder alloy creep-deformation performance and testing device used by method |
| CN203422174U (en) * | 2013-07-29 | 2014-02-05 | 中国石油天然气股份有限公司 | Temperature-sensing probe detector |
| CN103528880A (en) * | 2013-10-17 | 2014-01-22 | 吉林大学 | On-site testing platform for micromechanical property of material in shearing-torsion loading combination mode |
| CN105067431A (en) * | 2015-07-17 | 2015-11-18 | 吉林大学 | Tension-shear preload based in-situ indentation testing device and method |
| CN105223076A (en) * | 2015-07-17 | 2016-01-06 | 吉林大学 | Material in situ proving installation and method under multi-load multiple physical field coupling service condition |
| CN205879682U (en) * | 2016-04-18 | 2017-01-11 | 吉林大学 | Compound load normal position mechanical testing platform of alternating temperature |
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Application publication date: 20160713 |