CN106896024A - Micro-compression test system with 3D observation function - Google Patents
Micro-compression test system with 3D observation function Download PDFInfo
- Publication number
- CN106896024A CN106896024A CN201710205648.6A CN201710205648A CN106896024A CN 106896024 A CN106896024 A CN 106896024A CN 201710205648 A CN201710205648 A CN 201710205648A CN 106896024 A CN106896024 A CN 106896024A
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- China
- Prior art keywords
- microscopic observation
- micro
- voice coil
- sample
- operating desk
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Links
- 238000012669 compression test Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 14
- 238000012795 verification Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 239000003094 microcapsule Substances 0.000 abstract description 4
- 239000011859 microparticle Substances 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- 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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A micro-compression test system with a 3D observation function comprises a test bench arranged on an optical platform, an operation bench arranged on the test bench, a compression test assembly fixed through a cantilever bracket on the test bench, a micro-observation system, a controller and a display device for displaying the form of a micro sample; the compression test assembly comprises a voice coil actuator, a pressure head and a transparent objective table for bearing a tiny sample, wherein the voice coil actuator is located above the operating table and is installed on the cantilever support, the pressure head is installed at the output shaft end of the voice coil actuator, a through hole is formed in the operating table and is coaxially arranged with the pressure head, and the transparent objective table is located on the through hole of the operating table and is coaxially arranged with the through hole. The invention provides a micro-compression test system with a 3D observation function, which can accurately measure load-displacement data and observe the deformation condition of a sample in real time in the compression test process of micro samples such as micro particles, microcapsules and microcolumns.
Description
Technical field
The present invention relates to a kind of micro- pressure for determining the mechanical property parameters of the samples such as microparticle, microcapsules and microtrabeculae
Contracting test system, more particularly, to a kind of micro- compression verification system for possessing 3D observing functions.
Background technology
The samples such as microparticle, microcapsules and microtrabeculae are small because of size, and its Mechanics Performance Testing need to meet following two aspects：
(1) high-resolution load driver and DATA REASONING.Due to specimen size small (usually 100~102μm), institute in test process
The load of applying and the deflection for producing are small, and the driver part and measurement load and the sensor of displacement of imposed load are all necessary
With high resolution, just can guarantee that measurement data is accurate.(2) observation of sample deformation situation and failure morphology.Due to sample
Size is small, only with the naked eye or general camera, it is difficult to the direct deformation feelings of observation and accurate measurement sample in compression process
Condition and failure morphology, it is necessary to by 3D microscopic observation systems real-time monitored and the deformation of record tiny sample, especially entirely
The observation and measurement of orientation multi-angle, could in time determine the failure load and failure morphology of sample.Existing micro- compression is surveyed
Test system, such as Agilent T150UTM nanometer mechanics test system, can realize high-resolution load-displacement DATA REASONING, but
Do not possess 3D microscopic observation functions, so as to 3D transform situation and failure morphology of the sample in test process cannot be determined.
The content of the invention
In order to overcome existing micro- test compression device to be unable to real-time monitored defect, the present invention proposes that one kind possesses 3D observations
The micro- compression verification system of function, can obtain during the compression verification of the tiny samples such as microparticle, microcapsules and microtrabeculae
To accurate load-displacement data, and real-time monitored and record sample are in the 3D transform situation at corresponding moment.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of possess the micro- compression verification system of 3D observing functions, including is placed on testing stand, peace on optical table
Operating desk on testing stand, compression test component, microscopic observation system, the control fixed by the pole bracket on testing stand
Device processed and the display device for showing tiny sample form；
The compression test component is including the voice coil actuator for load driving and displacement measurement, pressure head and for carrying
The transparent objective table of tiny sample, the voice coil actuator is located at the top of operating desk and is arranged on pole bracket, the pressure
Head is arranged on the output shaft end of voice coil actuator, and through hole is offered on the operating desk, and the through hole is coaxially disposed with pressure head, institute
Transparent objective table is stated to be coaxially disposed on the through hole of operating desk and with through hole；
The microscopic observation system includes the micro- sight in the bottom of deformation and breakage for observing tiny sample bottom
Survey component, deform and the rearmounted microscopic observation component of breakage and micro- for observing in horizontal rear portion for observing tiny sample
Small sample is located at institute in the lateral deformation of level and the lateral microscopic observation component of breakage, the bottom microscopic observation component
State the lower section of operating desk and be arranged on testing stand and just right with through hole on operating desk, the rearmounted microscopic observation component is located at
On the rear of tiny sample and installation operation platform, the lateral microscopic observation component is positioned at the lateral side of the level of tiny sample
And on operating desk；
The controller is connected with the voice coil actuator, the bottom microscopic observation component, rearmounted microscopic observation component
It is connected with the display device respectively with lateral microscopic observation component, the display device is connected with the controller.
Further, the bottom microscopic observation component, rearmounted microscopic observation component and lateral microscopic observation component are base
In the industrial camera of CCD chip.
Further, the inside of the voice coil actuator is provided with the high-precision grating scale displacement sensing for measuring displacement
Device.
Further, the controller and display device are installed on operating desk.
Beneficial effects of the present invention are mainly manifested in：The load excitation and survey applied using the voice coil actuator of high resolution
Amount displacement, is entered by high accuracy and high-resolution microscopic observation system to tiny sample compression verification deformation and failure morphology
Row Real Time Observation and measurement, realize the accurate research to tiny sample mechanical property and failure mechanism.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the partial enlarged drawing of Fig. 1.
Fig. 5 is the front view of Fig. 4.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
1~Fig. 5 of reference picture, a kind of possess the micro- compression verification system of 3D observing functions, including is placed on optical table
On testing stand 7, the operating desk 6 on testing stand 7, the compression test group fixed by pole bracket 1 on testing stand 7
Part, microscopic observation system, controller 4 and the display device 10 for showing the form of tiny sample 12；
The compression test component is including the voice coil actuator 2 for load driving and displacement measurement, pressure head 11 and is used for
The transparent objective table 9 of tiny sample is carried, the voice coil actuator 2 is located at the top of operating desk 6 and is arranged on pole bracket 1
On, the pressure head 11 is arranged on the output shaft end of voice coil actuator 2, and through hole 13, the through hole 13 are offered on the operating desk 6
It is coaxially disposed with pressure head 11, the transparent objective table 9 is located on the through hole of operating desk 6 and is coaxially disposed with through hole 13；
The microscopic observation system includes the micro- sight in the bottom of deformation and breakage for observing tiny sample bottom
Survey component 8, for observe tiny sample horizontal rear portion deform and breakage rearmounted microscopic observation component 3 and for observing
Tiny sample is in the lateral deformation of level and the lateral microscopic observation component 5 of breakage, the bottom microscopic observation component 8
In the lower section of the operating desk 6 and it is arranged on testing stand 7 and just right with through hole on operating desk 6, the rearmounted microscopic observation
Component 3 is located on the rear of tiny sample and installation operation platform 6, and the lateral microscopic observation component 5 is located at the water of tiny sample
Flat lateral side is simultaneously arranged on operating desk 6；
The controller 4 is connected with the voice coil actuator 2, the bottom microscopic observation component 8, rearmounted microscopic observation group
Part 3 and lateral microscopic observation component are distinguished 5 and are connected with the display device 10, and the display device 10 connects with the controller 4
Connect.
Further, the bottom microscopic observation component 8, rearmounted microscopic observation component 3 and lateral microscopic observation component 5 are
Industrial camera based on CCD chip.
Further, the high-precision grating scale displacement that the inside of the voice coil actuator 2 is provided with for measuring displacement is passed
Sensor.Further, the controller 4 and display device are installed on operating desk 6.
In the present embodiment, the bottom microscopic observation component 8, rearmounted microscopic observation component 3 and lateral microscopic observation component 5
It is connected with display device 10 respectively, three Direction distortions and breakage of tiny sample is carried out in real time by display device 10
Display and record, microscopic observation component are using the industrial camera based on CCD chip, with picture steadiness high, Gao Chuan
Movement Capabilities and high anti-jamming capacity, can accurately show on the display apparatus the change of the pattern of micro-test sample compression test；Institute
The grating rule displacement sensor inside voice coil actuator 2 is stated, can be by the size of control electric current accurately using Electromagnetic Drive
Control the load excitation for applying, it is ensured that the accuracy and high resolution of compression test load and displacement data；Load is logical
Cross controller 4 and set load mode and deliver a signal to voice coil actuator 2, displacement is the displacement sensing of itself of voice coil actuator 2
Device is measured, and then load-displacement data are returned to controller 4 by voice coil actuator 2, and data are passed to display device by controller 4
10；The compression test component is connected with controller, and corresponding loading excitation is applied to voice coil actuator by controller, is driven
Pressure head completes compression test.
Testing process of the invention is：
(1) sample is installed：Tiny sample 12 is placed on transparent objective table 9；
(2) compression verification：By the controller 4 on operating desk 6 to the imposed load pumping signal of voice coil actuator 2, voice coil loudspeaker voice coil
The drive ram 11 of brake 2 is compressed experiment to tiny sample 12, while voice coil actuator utilizes built-in displacement transducer
Record displacement, so that the load-displacement data in obtaining compression test；
(3) microscopic observation：In compression test, microscopic observation system is by the microscopic observation group that is placed on operating desk 6
Deformation and breakage that part occurs tiny sample 12 in real time on each different directions, are transferred in display device 10 and show
Show；
(4) data analysis：Analysis load-displacement data, and deformation and the breakage of correspondence moment sample are combined, draw
Tiny sample 12 in compression test, in the corresponding external load of different distortion and breakage and the deflection of sample.
Claims (4)
1. a kind of micro- compression verification system for possessing 3D observing functions, it is characterised in that：Including being placed on optical table
Testing stand, the operating desk on testing stand, compression test component, the micro- sight fixed by the pole bracket on testing stand
Examining system, controller and the display device for showing tiny sample form；
The compression test component is included for the voice coil actuator for load driving and displacement measurement, pressure head and for carrying
The transparent objective table of tiny sample, the voice coil actuator is located at the top of operating desk and is arranged on pole bracket, the pressure
Head is arranged on the output shaft end of voice coil actuator, and through hole is offered on the operating desk, and the through hole is coaxially disposed with pressure head, institute
Transparent objective table is stated to be coaxially disposed on the through hole of operating desk and with through hole；
The microscopic observation system is included for observing the deformation of tiny sample bottom and the bottom microscopic observation group of breakage
Part, for observe tiny sample horizontal rear portion deform and breakage rearmounted microscopic observation component and for observing small examination
Sample is located at the behaviour in the lateral deformation of level and the lateral microscopic observation component of breakage, the bottom microscopic observation component
Make the lower section of platform and be arranged on testing stand and just right with through hole on operating desk, the rearmounted microscopic observation component is located at small
On the rear of sample and installation operation platform, the lateral microscopic observation component is positioned at the lateral side of the level of tiny sample and pacifies
On operating desk；
The controller is connected with the voice coil actuator, the bottom microscopic observation component, rearmounted microscopic observation component and side
It is connected with the display device respectively to microscopic observation component, the display device is connected with the controller.
2. a kind of micro- compression verification system for possessing 3D observing functions as claimed in claim 1, it is characterised in that：The bottom
Portion microscopic observation component, rearmounted microscopic observation component and lateral microscopic observation component are the industrial camera based on CCD chip.
3. a kind of micro- compression verification system for possessing 3D observing functions as claimed in claim 1 or 2, it is characterised in that：Institute
The inside for stating voice coil actuator is provided with high-precision grating rule displacement sensor for measuring displacement.
4. a kind of micro- compression verification system for possessing 3D observing functions as claimed in claim 1 or 2, it is characterised in that：Institute
State controller and display device is installed on operating desk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710205648.6A CN106896024A (en) | 2017-03-31 | 2017-03-31 | Micro-compression test system with 3D observation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710205648.6A CN106896024A (en) | 2017-03-31 | 2017-03-31 | Micro-compression test system with 3D observation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106896024A true CN106896024A (en) | 2017-06-27 |
Family
ID=59193468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710205648.6A Pending CN106896024A (en) | 2017-03-31 | 2017-03-31 | Micro-compression test system with 3D observation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106896024A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865974A (en) * | 2021-08-20 | 2021-12-31 | 北京航空航天大学 | Experimental platform for observing deformation failure of electrode material under compression/indentation working condition |
Citations (6)
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|---|---|---|---|---|
| CN2783316Y (en) * | 2005-04-11 | 2006-05-24 | 深圳高品检测设备有限公司 | Mechanics performance tester for coating layer |
| CN104483082A (en) * | 2014-12-03 | 2015-04-01 | 长安大学 | Device for analyzing stability of embankment under effect of earthquake load and manufacturing method of device |
| CN204988899U (en) * | 2015-10-12 | 2016-01-20 | 三峡大学 | Visual level pressure rock specimen inflation tester that disintegrates |
| CN205404270U (en) * | 2016-02-24 | 2016-07-27 | 中国矿业大学(北京) | Three -dimensional transparent simulation test test bench |
| CN105865915A (en) * | 2016-04-12 | 2016-08-17 | 华中科技大学 | Soft material mechanical performance measurement apparatus and method thereof |
| CN206618635U (en) * | 2017-03-31 | 2017-11-07 | 浙江工业大学 | Micro-compression test system with 3D observation function |
-
2017
- 2017-03-31 CN CN201710205648.6A patent/CN106896024A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783316Y (en) * | 2005-04-11 | 2006-05-24 | 深圳高品检测设备有限公司 | Mechanics performance tester for coating layer |
| CN104483082A (en) * | 2014-12-03 | 2015-04-01 | 长安大学 | Device for analyzing stability of embankment under effect of earthquake load and manufacturing method of device |
| CN204988899U (en) * | 2015-10-12 | 2016-01-20 | 三峡大学 | Visual level pressure rock specimen inflation tester that disintegrates |
| CN205404270U (en) * | 2016-02-24 | 2016-07-27 | 中国矿业大学(北京) | Three -dimensional transparent simulation test test bench |
| CN105865915A (en) * | 2016-04-12 | 2016-08-17 | 华中科技大学 | Soft material mechanical performance measurement apparatus and method thereof |
| CN206618635U (en) * | 2017-03-31 | 2017-11-07 | 浙江工业大学 | Micro-compression test system with 3D observation function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865974A (en) * | 2021-08-20 | 2021-12-31 | 北京航空航天大学 | Experimental platform for observing deformation failure of electrode material under compression/indentation working condition |
| CN113865974B (en) * | 2021-08-20 | 2022-11-25 | 北京航空航天大学 | Experimental platform for observing deformation failure of electrode material under compression/indentation working condition |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |