CN103592182A - Real-time image observation and acquisition platform and method for microstructure of material with loads - Google Patents
Real-time image observation and acquisition platform and method for microstructure of material with loads Download PDFInfo
- Publication number
- CN103592182A CN103592182A CN201310556713.1A CN201310556713A CN103592182A CN 103592182 A CN103592182 A CN 103592182A CN 201310556713 A CN201310556713 A CN 201310556713A CN 103592182 A CN103592182 A CN 103592182A
- Authority
- CN
- China
- Prior art keywords
- microstructure
- image
- observation acquisition
- testing machine
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a real-time image observation and acquisition platform and method for the microstructure of a material with loads. The platform comprises a loading device, an image observation and capture device and an XY double-coordinate micro-control mobile device and a PC, (Personal Computer), wherein the image observation and capture device is fixedly connected onto the XY double-coordinate micro-control mobile device; the XY planes of the XY double-coordinate micro-control mobile device are parallel to the surface to be observed of a material; the image observation and capture device and the loading device are respectively connected with the PC through data lines. The method comprises the following steps: dynamically capturing the images of the microstructure of the material with the loads, and associating a universal material testing machine sensor to synchronously obtain mechanics data; causing the PC to track the mechanics data flow acquired by the sensor, recognize a key point and trigger the image observation and capture device to take pictures; in the late, realizing correlation analysis of the data and the images through a computer and modeling. The acquisition platform and the method perfect the analysis method of mechanics of materials, disclose the damage evolution mechanism of materials, and provide a new method for study of damage mechanics of materials.
Description
Technical field
The present invention relates to a kind of image acquisition platform and method, especially a kind of with carrying lower microstructure realtime graphic observation acquisition platform and method, belong to micro image observation collection analysis field.
Background technology
Research has important directive significance with the ess-strain rule of carrying lower material internal to precision optical machinery equipment Design and operation.Classic method is mainly observed comparative material macroscopic view or the micromechanism impaired static behavior of deformation before and after stand under load, cannot obtain the dynamic change situation of interior tissue in stand under load process.Be accompanied by the dynamic interaction of mechanism and material and the needs of mechanism's adaptive control, must put mechanism in order material is executed to transmission and the attenuation law of load in material structure in the process of carrying, and merely material be carried out to static state collection and mechanical analysis cannot meet existing demand far away at the institutional framework image before and after stand under load; Simultaneously, universal testing machine has executes the curve that carries, generates reflection characteristic of material mechanics and change, the function of obtaining the catastrophe point of power-deformation curve, but cannot obtain damage of material its interior tissue variable condition of moment, be unfavorable for further studying the tissue sudden change relation that load causes.
At present, the existing numerical example of achievement in research of relevant Experiments of Machanics observation platform, as: (patent publication No. is " a kind of cellulous mechanical loading unit and the simulation experiment platform " of Shanghai University of Chinese Medicine Affiliated Yueyang Integrated Traditional and Western Medicine Hospital's research: CN202676542U); (patent publication No. is " the drop-down press-bending combined load of the microscope type material Mechanics Performance Testing device " of Jilin University's research: CN102384875A) etc.
But also there is following technical matters in material mechanical performance test platform of the prior art and analytical approach:
1) traditional material mechanics experiment or only material macroscopic deformation is measured, or simultaneously carry out microscopic observation, but all unrealized to the observational record of microstructure damage in material stand under load overall process and with the collection analysis of mechanics of materials data correlation;
2) traditional Experiments of Machanics observation platform research aspect mostly be in the behavior of detecting material macroscopic deformation or biomechanics experiment for single, a plurality of cells, but all do not propose to be suitable for Observable materials mechanics experimental equipment and the microstructure damage Quantitative research method of cell mass, cell tissue;
3) traditional macromechanics experimental facilities and method are not easy to true Micromechanics behavior and the deformation damage mechanism under research material loaded state.
Summary of the invention
The object of the invention is in order to solve the defect of above-mentioned prior art, provide the strong and registration of a kind of simple in structure, easy and simple to handle, universality with carrying a lower microstructure realtime graphic observation acquisition platform.
Another object of the present invention is to provide a kind of with carrying lower microstructure realtime graphic observation acquisition method.
Object of the present invention can be by taking following technical scheme to reach:
With carrying a lower microstructure realtime graphic observation acquisition platform, it is characterized in that: comprise charger for material being loaded and obtained mechanics of materials data, for observing and take the image observation acquisition equipment of microstructure image, the two coordinate micro-control mobile devices of XY and the PC for image data is processed for image observation acquisition equipment is moved along X-direction and/or Y-direction; Described image observation acquisition equipment is fixedly connected on the two coordinate micro-control mobile devices of XY, XY plane and the material face to be observed of the two coordinate micro-control mobile devices of described XY are arranged in parallel, and described image observation acquisition equipment is connected with PC by data line respectively with charger.
Preferably, described charger comprises universal testing machine and one group of multi-functional clamp that angle is adjustable, this group multi-functional clamp is comprised of two multi-functional clamps, described two multi-functional clamps are symmetrical, and being arranged on respectively seaming chuck and the pressing disc place of universal testing machine, described universal testing machine is connected with PC by data line.
Preferably, described image observation acquisition equipment comprises microscope and digital CCD video camera, described microscopical objective end and material to be observed over against, eyepiece end docks with digital CCD camera lens; Described digital CCD video camera is connected with PC by data line.
Preferably, the two coordinate micro-control mobile devices of described XY comprise X-direction micrometer caliper, X-direction contact block, one group of X-direction guide rail, Y-direction micrometer caliper, Y-direction contact block, one group of Y-direction guide rail, upper layer bracket, lower floor support, extension spring and the fixed mount of observing acquisition equipment for still image, described one group of X-direction guide rail is comprised of two X-direction guide rails, described two X-direction guide rails are symmetrical, and be separately fixed on the top frame and bottom frame of upper layer bracket, on described every X-direction guide rail, be furnished with an X-direction slide block, described X-direction slide block is fixedly connected with fixed mount; Described one group of Y-direction guide rail is comprised of two Y-direction guide rails, described two Y-direction guide rails are symmetrical, and be separately fixed on the left part frame and right part frame of lower floor support, on described every Y-direction guide rail, being furnished with a Y-direction slide block, described upper layer bracket is connected with Y-direction guide rail by Y-direction slide block; Described X-direction micrometer caliper is fixed by screws on the right part frame of upper layer bracket, the lower floor of described fixed mount is provided with screw, the screw that one end of described extension spring and fixed mount lower floor install links, the other end and the fixedly screw of X-direction micrometer caliper link, described X-direction contact block is fixed on the side of fixed mount, and the X-direction screw rod on described X-direction micrometer caliper contacts with X-direction contact block locating surface under the effect of extension spring; On the horizontal frame in bottom that described Y-direction micrometer caliper is fixed by screws in lower floor support, described Y-direction contact block is fixed on the side of the bottom frame of upper layer bracket, and the Y-direction screw rod on described Y-direction micrometer caliper withstands the Y-direction contact block locating surface relying under upper layer bracket Gravitative Loads.
Preferably, described each multi-functional clamp comprises substrate, left bottom plate, right bottom plate, left auxiliary splint, right auxiliary splint, left hinge, right hinge, left cushion block and right cushion block; Hinged by bearing pin between described left bottom plate and right bottom plate, shape at an angle adjustable V-type is dehisced; Between described left bottom plate and left auxiliary splint, by left hinge, be connected, between described right bottom plate and right auxiliary splint, by right hinge, be connected; Described left cushion block is arranged between substrate and left auxiliary splint, together with described substrate, left auxiliary splint and left cushion block are bolted to by first; Between described right cushion block installation base plate and right auxiliary splint, together with described substrate, right auxiliary splint and right cushion block are bolted to by second.
Another object of the present invention can be by taking following technical scheme to reach:
With carrying lower microstructure realtime graphic observation acquisition method, it is characterized in that comprising the following steps:
1), according to material size, the cushion block of choosing proper height to be to adjust the V-type of two multi-functional clamps angle of dehiscing, by material clamping on the multi-functional clamp at universal testing machine pressing disc place;
2) by rotation X-direction micrometer caliper and/or Y-direction micrometer caliper, regulate microscopical position, and regulate lens barrel of microscope objective height, make material appear at field of microscope;
3) open universal testing machine, loading parameters is set, material is implemented to load, by universal testing machine sensor, obtain mechanics of materials data, control figure ccd video camera is by the associated capture material heterogeneous microstructure of microscope image simultaneously;
4) by data line, the mechanics of materials data that collect and heterogeneous microstructure image transmitting to PC are shown and stored;
5) follow the tracks of that universal testing machine gathers with carrier material Mechanical Data, when load is suddenlyd change, automatically identify stress mutation point, and at this time trigger video camera capture material heterogeneous microstructure instantaneous picture;
6) in PC, heterogeneous microstructure instantaneous picture corresponding to each key point analyzed, comprised image pre-service, characteristics of image identification extraction and parameter measurement analysis;
7) utilize macro and micro coupling analytical method, set up with carrying lower material damage model.
Preferably, described step 4) specific as follows:
The form mechanical parameters of universal testing machine sensor collection being changed with function curve by data line is presented at PC storage, and the audio video synchronization that digital CCD video camera is photographed is presented on the screen of PC and storage.
Preferably, described step 6) specific as follows:
In PC, to gray level image filtering and noise reduction, strengthen picture contrast, image is cut apart and by Binary Sketch of Grey Scale Image, thereby extract cell tissue characteristic parameter, for analyzing with carrying the lower material damage expansion mechanism that develops, make Primary Stage Data and prepare.
Preferably, described step 7) specific as follows:
The Mechanical Data, the Fine Texture of Material deformation parameter that according to loading experiment and graphical analysis, obtain, carry out numerical analysis, set up the mathematics physics model of microstructure; Along with PC simulated experiment loading procedure, gained Mechanical Data in this model Output rusults and actual experiment and microstructure deformation characteristics parameter are compared, constantly revise mathematics physics model parameter error, until final, establish with carrying lower Fine Texture of Material damage model, obtain dynamic load and material microscopic damage evolution coupling mechanism.
The present invention has following beneficial effect with respect to prior art:
1, of the present invention with carrying a microstructure realtime graphic observation acquisition platform to comprise charger, image observation acquisition equipment, the two coordinate micro-control mobile devices of XY and PC, image observation acquisition equipment is fixedly connected on the two coordinate micro-control mobile devices of XY, image observation acquisition equipment is connected with PC by data line respectively with charger, has the features such as simple in structure, easy and simple to handle, universality is strong, registration.
2, of the present inventionly with carrying stereomicroscope that two coordinate micro-control mobile devices of XY in lower microstructure realtime graphic observation acquisition platform can make image observation acquisition equipment, along X-direction, move and/or Y-direction moves, realize multistage micro-control focusing and accurately locate with target, thereby realize the multiple spot fixed quantity observation for test material.
3, the charger with carrying in lower microstructure realtime graphic observation acquisition platform of the present invention, its multi-functional clamp having can carry out angular adjustment, can meet the needs of the mechanics microcosmic observation test of various shape, different-diameter material, highly versatile.
4, of the present invention with carrying a microstructure realtime graphic observation acquisition platform to adopt a universal testing machine to load test material, because it can accurately simulate outer change procedure the accurate clamp movement of controlling of carrying, be quick on the draw, and the external force change procedure of universal testing machine energy Simulation of Complex, more closing to reality application scenarios.
5, of the present invention with carrying in lower microstructure image real time capturing method, sensor capturing material Mechanical Data in digital CCD video camera capture material microstructure image and universal testing machine is implemented synchronization association, algorithm for design is followed the tracks of mechanics of materials data stream, image capture is put and triggered to identification stress mutation, via later image, process, extract key point (stress mutation point) information, determine the characteristic parameter of weighing material microscopic damage degree, seek load and materials microstructure coupled relation, set up macroscopic view outer year and microstructure damage correlation model, the introducing of Micromechanics test Computer image processing techniques, can realize the breakthrough of material microscopic damage statistics of variable qualitative to quantitative, for the research of material damage mechanics provides a kind of new means.
Accompanying drawing explanation
Fig. 1 is that the present invention is with the structural representation that carries lower microstructure realtime graphic observation acquisition platform.
Fig. 2 is that the present invention is with multi-functional clamp planar structure schematic diagram in the charger of microstructure realtime graphic observation acquisition platform under carrying.
Fig. 3 is that the present invention is with the two coordinate micro-control mobile device planar structure schematic diagram of XY that carry lower microstructure realtime graphic observation acquisition platform.
Fig. 4 is that the present invention is with carrying lower microstructure realtime graphic observation acquisition method process flow diagram.
Fig. 5 is that the present invention is with carrying the process flow diagram that in lower microstructure realtime graphic observation acquisition method, PC carries out image processing.
Wherein, 1-charger, 2-image observation acquisition equipment, the two coordinate micro-control mobile devices of 3-XY, 4-PC machine, 5-test material, 6-universal testing machine, 7-multi-functional clamp.
Embodiment
Embodiment 1:
As shown in Figure 1-Figure 3, the present embodiment comprises charger 1, image observation acquisition equipment 2, the two coordinate micro-control mobile devices 3 of XY and PC 4 with carrying lower microstructure realtime graphic observation acquisition platform.
Described charger 1 is for compressing test material 5, and obtain mechanics of materials data, comprise universal testing machine 6 and one group of multi-functional clamp 7 that angle is adjustable, this group multi-functional clamp 7 can meet the clamping of multiple difformity, diameter material, by two multi-functional clamps 7, formed, described two multi-functional clamps 7 are symmetrical, and are arranged on respectively seaming chuck and the pressing disc place of universal testing machine 6, and described universal testing machine 6 is connected with PC 4 by data line.
Described each multi-functional clamp 7 comprises substrate 701, left bottom plate 702, right bottom plate 703, left auxiliary splint 704, right auxiliary splint 705, left hinge 706, right hinge 707, left cushion block 708 and right cushion block 709; Hinged by bearing pin 710 between described left bottom plate 702 and right bottom plate 703, shape at an angle adjustable V-type is dehisced; Between described left bottom plate 702 and left auxiliary splint 704, by left hinge 706, be connected, between described right bottom plate 703 and right auxiliary splint 705, by right hinge 707, be connected; Described left cushion block 708 is arranged between substrate 701 and left auxiliary splint 704, and described substrate 701, left auxiliary splint 704 and left cushion block 708 are fixed together by the first bolt 711; Described right cushion block 709 is arranged between substrate 701 and right auxiliary splint 705, and described substrate 701, right auxiliary splint 705 and right cushion block 709 are fixed together by the second bolt 712.
Described image observation acquisition equipment 2 is for observation and take microstructure image, comprises stereomicroscope and digital CCD video camera, the end face of the objective end of described stereomicroscope and material 5 over against, eyepiece end docks with digital CCD camera lens; Described digital CCD video camera is connected with PC 4 by data line.
The two coordinate micro-control mobile devices 3 of described XY are for making image observation acquisition equipment 2 move along X-direction and/or Y-direction, its XY plane and test material 5 plane parallel are arranged, comprise X-direction micrometer caliper 301, X-direction contact block 302, one group of X-direction guide rail 303, Y-direction micrometer caliper 304, Y-direction contact block 305, one group of Y-direction guide rail 306, upper layer bracket 307, lower floor support 308, extension spring 309 and fixed mount 310, described image observation acquisition equipment 2 is fixed on fixed mount 310, described one group of X-direction guide rail 303 is comprised of two X-direction guide rails 303, described two X-direction guide rails 303 are symmetrical, and be separately fixed on the top frame and bottom frame of upper layer bracket 307, on described every X-direction guide rail 303, be furnished with an X-direction slide block 311, described X-direction slide block 311 is fixedly connected with fixed mount 310, described one group of Y-direction guide rail 306 is comprised of two Y-direction guide rails 306, described two Y-direction guide rails 306 are symmetrical, and be separately fixed on the left part frame and right part frame of lower floor support 308, on described every Y-direction guide rail 306, be furnished with a Y-direction slide block 312, described upper layer bracket 307 is connected with Y-direction guide rail 306 by Y-direction slide block 312, described X-direction micrometer caliper 301 is fixed by screws on the right part frame of upper layer bracket 307, the lower floor of described fixed mount 310 is provided with screw, one end of described extension spring 309 is connected with the screw that fixed mount 310 lower floors install, the other end is connected with the fixing screw of X-direction micrometer caliper 301, described X-direction contact block 302 is fixed on fixed mount 310 sides, and the X-direction screw rod 313 on described X-direction micrometer caliper 301 contacts with X-direction contact block 302 locating surfaces under the effect of extension spring 309, on the horizontal frame in bottom that described Y-direction micrometer caliper 304 is fixed by screws in lower floor support 308, described Y-direction contact block 305 is fixed on the side of the bottom frame of upper layer bracket 307, and the Y-direction screw rod 314 on described Y-direction micrometer caliper 304 withstands Y-direction contact block 305 locating surfaces by upper layer bracket 307 Gravitative Loads.
The principle that the two coordinate micro-control mobile devices 3 of described XY make image observation acquisition equipment 2 move along X-direction is: rotation X-direction micrometer caliper 301, make X-direction screw rod 313 promote X-direction contact block 302 left, X-direction contact block 302 drives fixed mount 310 to be moved to the left along X-direction guide rail 303 by X-direction slide block 311, thereby make image observation capture systems 2 along X-direction move to left (being that stereomicroscope also moves to left along X-direction), in adjustment process, any moment all can read X-direction micrometer caliper 301 scale numerical value, realizes X-direction accurate quantification move with this; X-direction backhaul driving force (moving to right along X-direction) is provided by the pulling force of extension spring 309.
The principle that the two coordinate micro-control mobile devices 3 of described XY make image observation acquisition equipment 2 move along Y-direction is: rotation Y-direction micrometer caliper 304, make Y-direction screw rod 314 upwards promote Y-direction contact block 305, Y-direction contact block 305 drives upper layer bracket 307 to move up along Y-direction guide rail 306 by Y-direction slide block 312, thereby make image observation capture systems 2 along moving (being that stereomicroscope is also along moving in Y-direction) in Y-direction, adjusting position any time all can read Y-direction micrometer caliper 304 scale numerical value, realizes Y-direction accurate quantification move with this; Y-direction backhaul driving force (moving down along Y-direction) utilizes the gravity of image observation capture systems 2 and upper layer bracket 307 to provide.
As Figure 1-Figure 5, the present embodiment with carrying a lower microstructure realtime graphic observation acquisition method, it is characterized in that comprising the following steps:
1), according to test material 5 sizes, the cushion block of choosing proper height to be to adjust the V-type of two multi-functional clamps 7 angle of dehiscing, by test material 5 clampings on the multi-functional clamp 7 of universal testing machine 6 pressing discs;
2) by rotation X-direction micrometer caliper 301 and/or Y-direction micrometer caliper 304, come the position of control agent stereomicroscope, and control agent stereomicroscope lens barrel height, make test material 5 appear at the visual field of stereomicroscope;
3) open universal testing machine 6, loading parameters is set, test material is loaded, utilize universal testing machine 6 internal sensors to obtain mechanics of materials data, control figure ccd video camera is by stereomicroscope capturing material heterogeneous microstructure image simultaneously;
4) audio video synchronization by data line, digital CCD video camera being photographed is presented on the screen of PC 4 and stores, and the mechanical parameters data stream that universal testing machine sensor is obtained is presented on the screen of PC 4 and stores with the form of function curve.
5) mechanics of materials data of obtaining according to sensor, when load is suddenlyd change, identify stress mutation point automatically, and at this time trigger video camera capture material heterogeneous microstructure instantaneous picture;
6) in PC 4, heterogeneous microstructure instantaneous picture corresponding to each catastrophe point analyzed, gray level image is taked mean filter denoising, strengthened picture contrast, according to maximum variance between clusters (large Tianjin method), cuts apart image and by Binary Sketch of Grey Scale Image, and utilize morphology opening and closing operation to remove noise; Thereby extracting cell tissue characteristic parameter (comprising institutional framework area, girth, circularity) makes Primary Stage Data and prepares for analyzing with carrying the lower material damage expansion mechanism that develops;
7) Mechanical Data, the Fine Texture of Material deformation parameter that according to loading experiment and graphical analysis, obtain, carry out numerical analysis, set up the mathematics physics model of microstructure, along with PC 4 simulated experiment loading procedures, gained Mechanical Data in this model Output rusults and actual experiment and microstructure deformation characteristics parameter are compared, constantly revise mathematics physics model parameter error, until final, establish with carrying lower Fine Texture of Material damage model, obtain dynamic load and material microscopic damage evolution coupling mechanism.
The above; it is only patent preferred embodiment of the present invention; but the protection domain of patent of the present invention is not limited to this; anyly be familiar with those skilled in the art in the disclosed scope of patent of the present invention; according to the present invention, the technical scheme of patent and inventive concept thereof are equal to replacement or are changed, and all belong to the protection domain of patent of the present invention.
Claims (9)
1. with carrying a lower microstructure realtime graphic observation acquisition platform, it is characterized in that: comprise charger for material being loaded and obtained mechanics of materials data, for observing and take the image observation acquisition equipment of microstructure image, the two coordinate micro-control mobile devices of XY and the PC for image data is processed for image observation acquisition equipment is moved along X-direction and/or Y-direction; Described image observation acquisition equipment is fixedly connected on the two coordinate micro-control mobile devices of XY, XY plane and the material face to be observed of the two coordinate micro-control mobile devices of described XY are arranged in parallel, and described image observation acquisition equipment is connected with PC by data line respectively with charger.
2. according to claim 1 with carrying lower microstructure realtime graphic observation acquisition platform, it is characterized in that: described charger comprises universal testing machine and one group of multi-functional clamp that angle is adjustable, this group multi-functional clamp is comprised of two multi-functional clamps, described two multi-functional clamps are symmetrical, and being arranged on respectively seaming chuck and the pressing disc place of universal testing machine, described universal testing machine is connected with PC by data line.
3. according to claim 1 with carrying lower microstructure realtime graphic observation acquisition platform, it is characterized in that: described image observation acquisition equipment comprises microscope and digital CCD video camera, described microscopical objective end and material to be observed over against, eyepiece end docks with digital CCD camera lens; Described digital CCD video camera is connected with PC by data line.
4. according to claim 1 with carrying lower microstructure realtime graphic observation acquisition platform, it is characterized in that: the two coordinate micro-control mobile devices of described XY comprise X-direction micrometer caliper, X-direction contact block, one group of X-direction guide rail, Y-direction micrometer caliper, Y-direction contact block, one group of Y-direction guide rail, upper layer bracket, lower floor support, extension spring and the fixed mount of observing acquisition equipment for still image, described one group of X-direction guide rail is comprised of two X-direction guide rails, described two X-direction guide rails are symmetrical, and be separately fixed on the top frame and bottom frame of upper layer bracket, on described every X-direction guide rail, be furnished with an X-direction slide block, described X-direction slide block is fixedly connected with fixed mount, described one group of Y-direction guide rail is comprised of two Y-direction guide rails, described two Y-direction guide rails are symmetrical, and be separately fixed on the left part frame and right part frame of lower floor support, on described every Y-direction guide rail, being furnished with a Y-direction slide block, described upper layer bracket is connected with Y-direction guide rail by Y-direction slide block, described X-direction micrometer caliper is fixed by screws on the right part frame of upper layer bracket, the lower floor of described fixed mount is provided with screw, the screw that one end of described extension spring and fixed mount lower floor install links, the other end and the fixedly screw of X-direction micrometer caliper link, described X-direction contact block is fixed on the side of fixed mount, and the X-direction screw rod on described X-direction micrometer caliper contacts with X-direction contact block locating surface under the effect of extension spring, on the horizontal frame in bottom that described Y-direction micrometer caliper is fixed by screws in lower floor support, described Y-direction contact block is fixed on the side of the bottom frame of upper layer bracket, and the Y-direction screw rod on described Y-direction micrometer caliper withstands the Y-direction contact block locating surface relying under upper layer bracket Gravitative Loads.
5. according to claim 2 with carrying lower microstructure realtime graphic observation acquisition platform, it is characterized in that: described each multi-functional clamp comprises substrate, left bottom plate, right bottom plate, left auxiliary splint, right auxiliary splint, left hinge, right hinge, left cushion block and right cushion block; Hinged by bearing pin between described left bottom plate and right bottom plate, shape at an angle adjustable V-type is dehisced; Between described left bottom plate and left auxiliary splint, by left hinge, be connected, between described right bottom plate and right auxiliary splint, by right hinge, be connected; Described left cushion block is arranged between substrate and left auxiliary splint, together with described substrate, left auxiliary splint and left cushion block are bolted to by first; Between described right cushion block installation base plate and right auxiliary splint, together with described substrate, right auxiliary splint and right cushion block are bolted to by second.
6. with carrying lower microstructure realtime graphic observation acquisition method, it is characterized in that comprising the following steps:
1), according to material size, the cushion block of choosing proper height to be to adjust the V-type of two multi-functional clamps angle of dehiscing, by material clamping on the multi-functional clamp at universal testing machine pressing disc place;
2) by rotation X-direction micrometer caliper and/or Y-direction micrometer caliper, regulate microscopical position, and regulate lens barrel of microscope objective height, make material appear at field of microscope;
3) open universal testing machine, loading parameters is set, material is implemented to load, by universal testing machine sensor, obtain mechanics of materials data, control figure ccd video camera is by the associated capture material heterogeneous microstructure of microscope image simultaneously;
4) by data line, the mechanics of materials data that collect and heterogeneous microstructure image transmitting to PC are shown and stored;
5) follow the tracks of that universal testing machine gathers with carrier material Mechanical Data, when load is suddenlyd change, automatically identify stress mutation point, and at this time trigger video camera capture material heterogeneous microstructure instantaneous picture;
6) in PC, heterogeneous microstructure instantaneous picture corresponding to each key point analyzed, comprised image pre-service, characteristics of image identification extraction and parameter measurement analysis;
7) utilize macro and micro coupling analytical method, set up with carrying lower material damage model.
7. according to claim 6 with carrying lower microstructure realtime graphic observation acquisition method, it is characterized in that: described step 4) specific as follows:
The form mechanical parameters of universal testing machine sensor collection being changed with function curve by data line is presented at PC storage, and the audio video synchronization that digital CCD video camera is photographed is presented on the screen of PC and storage.
8. under load according to claim 6, microstructure realtime graphic is observed acquisition method, it is characterized in that: described step 6) specific as follows:
In PC, to gray level image filtering and noise reduction, strengthen picture contrast, image is cut apart and by Binary Sketch of Grey Scale Image, thereby extract cell tissue characteristic parameter, for analyzing with carrying the lower material damage expansion mechanism that develops, make Primary Stage Data and prepare.
9. according to claim 6 with carrying lower microstructure realtime graphic observation acquisition method, it is characterized in that: described step 7) specific as follows:
The Mechanical Data, the Fine Texture of Material deformation parameter that according to loading experiment and graphical analysis, obtain, carry out numerical analysis, set up the mathematics physics model of microstructure; Along with PC simulated experiment loading procedure, gained Mechanical Data in this model Output rusults and actual experiment and microstructure deformation characteristics parameter are compared, constantly revise mathematics physics model parameter error, until final, establish with carrying lower Fine Texture of Material damage model, obtain dynamic load and material microscopic damage evolution coupling mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556713.1A CN103592182B (en) | 2013-11-11 | 2013-11-11 | With carrying lower microstructure realtime graphic observation acquisition platform and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556713.1A CN103592182B (en) | 2013-11-11 | 2013-11-11 | With carrying lower microstructure realtime graphic observation acquisition platform and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103592182A true CN103592182A (en) | 2014-02-19 |
| CN103592182B CN103592182B (en) | 2015-09-30 |
Family
ID=50082409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310556713.1A Active CN103592182B (en) | 2013-11-11 | 2013-11-11 | With carrying lower microstructure realtime graphic observation acquisition platform and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103592182B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007014A (en) * | 2014-06-18 | 2014-08-27 | 哈尔滨工业大学 | Micro component comprehensive mechanical property test device |
| CN105403989A (en) * | 2015-10-28 | 2016-03-16 | 清华大学 | Nematode recognition system and nematode recognition method |
| CN107167374A (en) * | 2017-06-28 | 2017-09-15 | 王学斌 | A kind of mechanism applied to testing machine synchronous acquisition view data |
| CN113203621A (en) * | 2021-04-02 | 2021-08-03 | 大连理工大学 | Special clamp for mechanical test of plate-shaped sample |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0579814A (en) * | 1991-03-15 | 1993-03-30 | Nikon Corp | Scanning-probe type microscope |
| US5214282A (en) * | 1990-05-30 | 1993-05-25 | Hitachi, Ltd. | Method and apparatus for processing a minute portion of a specimen |
| CN1621802A (en) * | 2004-12-30 | 2005-06-01 | 中国科学院力学研究所 | Coating mechanical testing equipment |
| CN101144766A (en) * | 2007-11-01 | 2008-03-19 | 复旦大学 | Full-automatic microhardness measuring system |
| CN101603820A (en) * | 2009-07-23 | 2009-12-16 | 中国林业科学研究院木材工业研究所 | A kind of real-time detection system for wood microstructure characteristic changes |
-
2013
- 2013-11-11 CN CN201310556713.1A patent/CN103592182B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214282A (en) * | 1990-05-30 | 1993-05-25 | Hitachi, Ltd. | Method and apparatus for processing a minute portion of a specimen |
| JPH0579814A (en) * | 1991-03-15 | 1993-03-30 | Nikon Corp | Scanning-probe type microscope |
| CN1621802A (en) * | 2004-12-30 | 2005-06-01 | 中国科学院力学研究所 | Coating mechanical testing equipment |
| CN101144766A (en) * | 2007-11-01 | 2008-03-19 | 复旦大学 | Full-automatic microhardness measuring system |
| CN101603820A (en) * | 2009-07-23 | 2009-12-16 | 中国林业科学研究院木材工业研究所 | A kind of real-time detection system for wood microstructure characteristic changes |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007014A (en) * | 2014-06-18 | 2014-08-27 | 哈尔滨工业大学 | Micro component comprehensive mechanical property test device |
| CN104007014B (en) * | 2014-06-18 | 2016-03-02 | 哈尔滨工业大学 | Micro structures comprehensive mechanical property proving installation |
| CN105403989A (en) * | 2015-10-28 | 2016-03-16 | 清华大学 | Nematode recognition system and nematode recognition method |
| CN105403989B (en) * | 2015-10-28 | 2018-03-27 | 清华大学 | Nematode identifying system and nematode recognition methods |
| CN107167374A (en) * | 2017-06-28 | 2017-09-15 | 王学斌 | A kind of mechanism applied to testing machine synchronous acquisition view data |
| CN113203621A (en) * | 2021-04-02 | 2021-08-03 | 大连理工大学 | Special clamp for mechanical test of plate-shaped sample |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103592182B (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2856995Y (en) | Surface observer under conditions of dynamic loading | |
| CN103592182B (en) | With carrying lower microstructure realtime graphic observation acquisition platform and method | |
| CN112540089B (en) | Application method of digital imaging system in concrete bridge crack detection and analysis | |
| CN107121333B (en) | A kind of sample deformation measuring device and method that entirety-Local Phase combines | |
| CN100361785C (en) | Digitized precise curve grinding integrated control system | |
| CN105547834A (en) | Fast stress-strain curve measuring system and method based on binocular vision | |
| CN101666740B (en) | Measuring device of micro scale dynamic response | |
| CN104316401B (en) | A kind of particulate matter strain detection testing device based on two-dimensional digital image method of correlation | |
| WO2022033391A1 (en) | Super-depth-of-field microscopic quick measurement device and measurement method | |
| CN108895992A (en) | A kind of laser scanning device and application method for distress in concrete fracture surface roughness | |
| CN101782527A (en) | Full-automatic fracture image analyzer | |
| CN102175175A (en) | Small slice type three-dimensional structure reconstruction system | |
| CN104469357A (en) | System for testing influences of microvibration on imaging quality of long-focus camera | |
| CN100595559C (en) | Pollen image data analysis method and system | |
| CN103090818A (en) | Method and device and system of coated seed quality measuring | |
| CN102620691B (en) | Measurement system for fault surface morphology of earthquake fault zone rock | |
| CN105372126A (en) | Microstructure observation device applicable to metal material bending deformation | |
| CN105066903A (en) | Laser three-dimensional measurement system and measurement method thereof | |
| CN106404525B (en) | A kind of test device of material micro-nano construction machine mechanical property | |
| CN211827005U (en) | Multi-functional detection device of five-axis numerical control machine tool based on multi-eye vision | |
| CN104061881A (en) | Optical device and optical measuring method for observing and analyzing actual contact area of contact points | |
| CN110044291A (en) | A kind of method of camera battle array measurement local deformation | |
| CN204128897U (en) | A kind of particulate matter strain detection testing device based on two-dimensional digital image correlation method | |
| CN205881870U (en) | Take automatic positioning device's scanning electron microscope sample platform | |
| CN208239201U (en) | A kind of material microstructure mechanical property characterization experimental provision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |