CN103592182B - With carrying lower microstructure realtime graphic observation acquisition platform and method - Google Patents

With carrying lower microstructure realtime graphic observation acquisition platform and method Download PDF

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Publication number
CN103592182B
CN103592182B CN201310556713.1A CN201310556713A CN103592182B CN 103592182 B CN103592182 B CN 103592182B CN 201310556713 A CN201310556713 A CN 201310556713A CN 103592182 B CN103592182 B CN 103592182B
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microstructure
image
observation acquisition
carrying
realtime graphic
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CN103592182A (en
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王红军
黄国钢
赵润茂
唐之富
邹湘军
陈燕
熊俊涛
夏红梅
谈建豪
张炳超
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South China Agricultural University
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South China Agricultural University
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Abstract

The invention discloses a kind of with carrying lower microstructure realtime graphic observation acquisition platform and method, described platform comprises charger, image observation acquisition equipment, the two coordinate micro-control mobile device of XY and PC; Image observation acquisition equipment is fixedly connected on the two coordinate micro-control mobile device of XY, and XY plane and the material face to be observed of the two coordinate micro-control mobile device of XY are arranged in parallel, and image observation acquisition equipment is connected with PC respectively by data line with charger; Described method is that Dynamical capture is with carrying lower Fine Texture of Material image, and associate universal testing machine sensor and synchronously obtain Mechanical Data, the Mechanical Data stream that PC tracking transducer gathers, identify its key point and trigger image observation acquisition equipment take pictures, the later stage realizes association analysis and the modeling of data and image by computing machine.Acquisition platform of the present invention and the perfect Analysis of materials mechanics means of method, revelation failure mechanism, the research for material damage mechanics provides new means.

Description

With carrying lower microstructure realtime graphic observation acquisition platform and method
Technical field
The present invention relates to a kind of Image-capturing 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
The ess-strain rule studied with carrying lower material internal has important directive significance to precision optical machinery equipment Design and operation.Classic method mainly observes the static behavior that comparative material is macroscopical or micromechanism deformation before and after stand under load is impaired, cannot obtain the dynamic change situation of interior tissue in stand under load process.Along with mechanism and the dynamic interaction of material and the needs of mechanism's adaptive control, mechanism must be put in order execute material and carry transmission in material structure of load in process and attenuation law, and merely static state collection be carried out to the institutional framework image of material before and after stand under load and mechanical analysis cannot meet existing demand far away; Simultaneously, universal testing machine has the function executed and carry, generate the curve of reflection characteristic of material mechanics change, the catastrophe point of acquisition power-deformation curve, but damage of material its interior tissue variable condition of moment cannot be obtained, be unfavorable for studying further the tissue sudden change relation that load causes.
At present, about the achievement in research of Experiments of Machanics observation platform has numerical example, as: " a kind of cellulous mechanical loading unit and simulation experiment platform " (patent publication No. is: CN202676542U) of Shanghai University of Chinese Medicine Affiliated Yueyang Integrated Traditional and Western Medicine Hospital's research; " microscope drop-down press-bending combined load type material Mechanics Performance Testing device " (patent publication No. is: CN102384875A) of Jilin University's research 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 observational record to microstructure damage in material stand under load overall process and and 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, multiple cell, but all do not propose to be suitable for cell mass, the Observable materials mechanics experimental equipment of cell tissue and microstructure damage Quantitative research method;
3) traditional macromechanics experimental facilities and method are not easy to true Micromechanics behavior under research material loaded state and deformation damage mechanism.
Summary of the invention
The object of the invention is the defect in order to solve above-mentioned prior art, providing that a kind of structure is simple, easy and simple to handle, the strong and registration of 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 reach by taking following technical scheme:
With carrying a lower microstructure realtime graphic observation acquisition platform, it is characterized in that: comprise for material is loaded and obtain mechanics of materials data charger, for observe and take microstructure image image observation acquisition equipment, for make image observation acquisition equipment along X to and/or the two coordinate micro-control mobile device of XY of Y-direction movement and the PC for processing image data; Described image observation acquisition equipment is fixedly connected on the two coordinate micro-control mobile device of XY, XY plane and the material face to be observed of the two coordinate micro-control mobile device of described XY are arranged in parallel, and described image observation acquisition equipment is connected with PC respectively by data line with charger.
Preferably, described charger comprises the multi-functional clamp of universal testing machine and one group of adjustable angle, this group multi-functional clamp is made up of two multi-functional clamps, described two multi-functional clamps are symmetrical, and being arranged on seaming chuck and the pressing disc place of universal testing machine respectively, described universal testing machine is connected with PC by data line.
Preferably, described image observation acquisition equipment comprises microscope and digital CCD camera, and to be observed of described microscopical objective end and material just right, and eyepiece end docks with digital CCD camera camera lens; Described digital CCD camera is connected with PC by data line.
Preferably, the two coordinate micro-control mobile device of described XY comprises X to micrometer caliper, X to contact block, one group of X direction guiding 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 observing acquisition equipment for still image, described one group of X direction guiding rail is made up of two X direction guiding rails, described two X direction guiding rails are symmetrical, and on the top frame being separately fixed at upper layer bracket and bottom frame, described every bar X direction guiding rail is furnished with an X to slide block, and described X is fixedly connected with to slide block with fixed mount; Described one group of Y-direction guide rail is made up of two Y-direction guide rails, described two Y-direction guide rails are symmetrical, and on the left part frame being separately fixed at lower floor support and right part frame, described every bar 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 is fixed by screws on the right part frame of upper layer bracket to micrometer caliper, 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 fixing X link to the screw of micrometer caliper, described X is fixed on the side of fixed mount to contact block, and described X contacts to contact block locating surface with X under the effect of extension spring to the X on micrometer caliper to screw rod; 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 under dependence 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; By hinge between described left bottom plate and right bottom plate, the V-type forming an adjustable angle is dehisced; Described left bottom plate is connected by left hinge with between left auxiliary splint, and described right bottom plate is connected by right hinge with between right auxiliary splint; 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 reach by taking following technical scheme:
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 choosing proper height to be dehisced angle with the V-type adjusting two multi-functional clamps, by material clamping on the multi-functional clamp at universal testing machine pressing disc place;
2) regulate microscopical position by rotating X to micrometer caliper and/or Y-direction micrometer caliper, and regulate lens barrel of microscope objective height, make material appear at field of microscope;
3) open universal testing machine, arrange loading parameters, implement to load, obtain mechanics of materials data by universal testing machine sensor to material, control figure ccd video camera is by microscope association capture material heterogeneous microstructure image simultaneously;
4) by data line, the mechanics of materials data collected and heterogeneous microstructure image transmitting to PC are shown and store;
5) follow the tracks of that universal testing machine gathers with carrier material Mechanical Data, when load suddenly change, automatically identification stress mutation point, and at this time trigger video camera capture material heterogeneous microstructure instantaneous picture;
6) corresponding to each key point in PC heterogeneous microstructure instantaneous picture is analyzed, and comprises Image semantic classification, characteristics of image identification extraction and parameter measurement analysis;
7) utilizing macro and micro coupling analytical method, setting up with carrying lower material damage model.
Preferably, described step 4) specific as follows:
By data line, the change of the mechanical parameters of universal testing machine sensor collection is presented at PC with the form of function curve and stores, the screen that the audio video synchronization photographed by digital CCD camera is presented at PC stores.
Preferably, described step 6) specific as follows:
In PC, to gray level image filtering and noise reduction, strengthen picture contrast, Iamge Segmentation by Binary Sketch of Grey Scale Image, thus extract cell tissue characteristic parameter and make Primary Stage Data for analyzing prepare with carrying the lower material damage expansion mechanism that develops.
Preferably, described step 7) specific as follows:
According to Mechanical Data, Fine Texture of Material deformation parameter that 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, continuous correction mathematics physics model parameter error, establishing until final with carrying lower Fine Texture of Material damage model, obtaining dynamic load and material microscopic damage evolution coupling mechanism.
The present invention has following beneficial effect relative 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 device of XY and PC, image observation acquisition equipment is fixedly connected on the two coordinate micro-control mobile device of XY, image observation acquisition equipment is connected with PC respectively by data line with charger, has the features such as structure is simple, easy and simple to handle, universality strong, registration.
2, the two coordinate micro-control mobile device of XY with carrying in lower microstructure realtime graphic observation acquisition platform of the present invention can make the stereomicroscope of image observation acquisition equipment move along X to mobile and/or Y-direction, realize the focusing of multistage micro-control accurately to locate with target, thus realize observing for the multiple spot fixed quantity of test material.
3, the charger with carrying in lower microstructure realtime graphic observation acquisition platform of the present invention, its multi-functional clamp had can carry out angular adjustment, can meet various shape, different-diameter material mechanics microcosmic observation test needs, 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 carry change procedure outward and accurately control clamp movement by accurate simulation, 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 camera capture material microstructure image and universal testing machine implements synchronization association, algorithm for design follows the tracks of mechanics of materials data stream, identify that stress mutation point trigger image are caught, via later image process, extract key point (stress mutation point) information, determine the characteristic parameter weighing material microscopic damage degree, seek load and materials microstructure coupled relation, set up outer the carrying of macroscopic view and damage correlation model with microstructure, the introducing of Micromechanics test Computer image processing techniques, can realize the breakthrough of material microscopic damage statistics of variable qualitative to quantitative, the research for material damage mechanics provides a kind of new means.
Accompanying drawing explanation
Fig. 1 is that the present invention is with the structural representation carrying lower microstructure realtime graphic observation acquisition platform.
Fig. 2 is that the present invention observes multi-functional clamp planar structure schematic diagram in the charger of acquisition platform with carrying lower microstructure realtime graphic.
Fig. 3 is that the present invention is with the two coordinate micro-control mobile device planar structure schematic diagram of XY carrying 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 carries out the process flow diagram of image procossing with carrying PC in lower microstructure realtime graphic observation acquisition method.
Wherein, 1-charger, 2-image observation acquisition equipment, the two coordinate micro-control mobile device 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 comprise charger 1, image observation acquisition equipment 2, the two coordinate micro-control mobile device 3 of XY and PC 4 with carrying a lower microstructure realtime graphic observation acquisition platform.
Described charger 1 is for compressing test material 5, and obtain mechanics of materials data, comprise the multi-functional clamp 7 of universal testing machine 6 and one group of adjustable angle, this group multi-functional clamp 7 can meet the clamping of multiple difformity, diameter material, be made up of two multi-functional clamps 7, described two multi-functional clamps 7 are symmetrical, and are arranged on seaming chuck and the pressing disc place of universal testing machine 6 respectively, 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, the V-type forming an adjustable angle is dehisced; Be connected by left hinge 706 between described left bottom plate 702 with left auxiliary splint 704, described right bottom plate 703 is connected by right hinge 707 with between right auxiliary splint 705; 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, for observation and shooting microstructure image, comprises stereomicroscope and digital CCD camera, the objective end of described stereomicroscope and the end face of material 5 just right, eyepiece end docks with digital CCD camera camera lens; Described digital CCD camera is connected with PC 4 by data line.
The two coordinate micro-control mobile device 3 of described XY for make image observation acquisition equipment 2 along X to and/or Y-direction move, its XY plane and test material 5 plane are arranged in parallel, comprise X to micrometer caliper 301, X is to contact block 302, one group of X direction guiding 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 guiding rail 303 is made up of two X direction guiding rails 303, described two X direction guiding rails 303 are symmetrical, and on the top frame being separately fixed at upper layer bracket 307 and bottom frame, described every bar X direction guiding rail 303 is furnished with an X to slide block 311, described X is fixedly connected with to slide block 311 with fixed mount 310, described one group of Y-direction guide rail 306 is made up of two Y-direction guide rails 306, described two Y-direction guide rails 306 are symmetrical, and on the left part frame being separately fixed at lower floor support 308 and right part frame, described every bar Y-direction guide rail 306 is furnished with a Y-direction slide block 312, and described upper layer bracket 307 is connected with Y-direction guide rail 306 by Y-direction slide block 312, described X is fixed by screws on the right part frame of upper layer bracket 307 to micrometer caliper 301, the lower floor of described fixed mount 310 is provided with screw, the screw that one end and fixed mount 310 lower floor of described extension spring 309 install is connected, the other end is connected to the screw of micrometer caliper 301 with fixing X, described X is fixed on fixed mount 310 side to contact block 302, and described X contacts to contact block 302 locating surface with X under the effect of extension spring 309 to the X on micrometer caliper 301 to screw rod 313, 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 surface by upper layer bracket 307 Gravitative Loads.
The two coordinate micro-control mobile device 3 of described XY makes image observation acquisition equipment 2 along X to the principle of movement be: X is to micrometer caliper 301 in rotation, X is made to promote X left to contact block 302 to screw rod 313, X drives fixed mount 310 to be moved to the left along X direction guiding rail 303 to slide block 311 by X to contact block 302, thus make image observation capture systems 2 along X to move to left (namely stereomicroscope is also along X to moving to left), in adjustment process, any moment all can read X to micrometer caliper 301 scale numerical value, realizes X move to accurate quantification with this; X is provided to backhaul driving force (namely moving right along X) by the pulling force of extension spring 309.
The two coordinate micro-control mobile device 3 of described XY makes image observation acquisition equipment 2 along the principle of Y-direction movement be: rotate Y-direction micrometer caliper 304, make Y-direction screw rod 314 upwardly Y-direction contact block 305, Y-direction contact block 305 drives upper layer bracket 307 to be moved up along Y-direction guide rail 306 by Y-direction slide block 312, thus make image observation capture systems 2 along Y-direction being moved (namely stereomicroscope also moves along 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 (namely 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 size, the cushion block choosing proper height to be dehisced angle with the V-type adjusting two multi-functional clamps 7, by test material 5 clamping on the multi-functional clamp 7 of universal testing machine 6 pressing disc;
2) come the position of control agent stereomicroscope to micrometer caliper 301 and/or Y-direction micrometer caliper 304 by rotation X, and control agent stereomicroscope lens barrel height, make test material 5 appear at the visual field of stereomicroscope;
3) universal testing machine 6 is opened, loading parameters is set, load test material, utilize universal testing machine 6 internal sensor to obtain mechanics of materials data, control figure ccd video camera is by stereomicroscope capturing material heterogeneous microstructure image simultaneously;
4) screen that the audio video synchronization photographed by digital CCD camera by data line is presented at PC 4 stores, the mechanical parameters data stream obtained by universal testing machine sensor to be presented at PC 4 screen with the form of function curve stores.
5) according to the mechanics of materials data that sensor obtains, when load is suddenlyd change, automatically stress mutation point is identified, and at this time trigger video camera capture material heterogeneous microstructure instantaneous picture;
6) corresponding to each catastrophe point in PC 4 heterogeneous microstructure instantaneous picture is analyzed, namely gray level image is taked to mean filter denoising, strengthens picture contrast, split image and by Binary Sketch of Grey Scale Image according to maximum variance between clusters (Da-Jin algorithm), and utilize morphology opening and closing operation to remove noise; Thus extract cell tissue characteristic parameter (comprising institutional framework area, girth, circularity) and make Primary Stage Data for analyzing prepare with carrying the lower material damage expansion mechanism that develops;
7) according to Mechanical Data, Fine Texture of Material deformation parameter that 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 procedure, gained Mechanical Data in this model Output rusults and actual experiment and microstructure deformation characteristics parameter are compared, continuous correction mathematics physics model parameter error, establishing until final with carrying lower Fine Texture of Material damage model, obtaining dynamic load and material microscopic damage evolution coupling mechanism.
The above; be only patent preferred embodiment of the present invention; but the protection domain of patent of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the scope disclosed in patent of the present invention; be equal to according to the technical scheme of patent of the present invention and inventive concept thereof and replace or change, all belonged to the protection domain of patent of the present invention.

Claims (8)

1., with carrying a lower microstructure realtime graphic observation acquisition platform, it is characterized in that: comprise for material is loaded and obtain mechanics of materials data charger, for observe and take microstructure image image observation acquisition equipment, for make image observation acquisition equipment along X to and/or the two coordinate micro-control mobile device of XY of Y-direction movement and the PC for processing image data, described image observation acquisition equipment is fixedly connected on the two coordinate micro-control mobile device of XY, and described image observation acquisition equipment is connected with PC respectively by data line with charger, XY plane and the material face to be observed of the two coordinate micro-control mobile device of described XY are arranged in parallel, the two coordinate micro-control mobile device of this XY comprises X to micrometer caliper, X is to contact block, one group of X direction guiding 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 for still image observation acquisition equipment, described one group of X direction guiding rail is made up of two X direction guiding rails, described two X direction guiding rails are symmetrical, and on the top frame being separately fixed at upper layer bracket and bottom frame, described every bar X direction guiding rail is furnished with an X to slide block, described X is fixedly connected with to slide block with fixed mount, described one group of Y-direction guide rail is made up of two Y-direction guide rails, described two Y-direction guide rails are symmetrical, and on the left part frame being separately fixed at lower floor support and right part frame, described every bar 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 is fixed by screws on the right part frame of upper layer bracket to micrometer caliper, 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 fixing X link to the screw of micrometer caliper, described X is fixed on the side of fixed mount to contact block, and described X contacts to contact block locating surface with X under the effect of extension spring to the X on micrometer caliper to screw rod, 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 under dependence upper layer bracket Gravitative Loads.
2. according to claim 1 with carrying lower microstructure realtime graphic observation acquisition platform, it is characterized in that: described charger comprises the multi-functional clamp of universal testing machine and one group of adjustable angle, this group multi-functional clamp is made up of two multi-functional clamps, described two multi-functional clamps are symmetrical, and being arranged on seaming chuck and the pressing disc place of universal testing machine respectively, described universal testing machine is connected with PC by data line.
3. 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; By hinge between described left bottom plate and right bottom plate, the V-type forming an adjustable angle is dehisced; Described left bottom plate is connected by left hinge with between left auxiliary splint, and described right bottom plate is connected by right hinge with between right auxiliary splint; 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.
4. according to any one of claim 1-3 with carrying a lower microstructure realtime graphic observation acquisition platform, it is characterized in that: described image observation acquisition equipment comprises microscope and digital CCD camera, to be observed of described microscopical objective end and material just right, and eyepiece end docks with digital CCD camera camera lens; Described digital CCD camera is connected with PC by data line.
5. based on platform described in claim 4 with carrying a lower microstructure realtime graphic observation acquisition method, it is characterized in that comprising the following steps:
1) according to material size, the cushion block choosing proper height to be dehisced angle with the V-type adjusting two multi-functional clamps, by material clamping on the multi-functional clamp at universal testing machine pressing disc place;
2) regulate microscopical position by rotating X to micrometer caliper and/or Y-direction micrometer caliper, and regulate lens barrel of microscope objective height, make material appear at field of microscope;
3) open universal testing machine, arrange loading parameters, implement to load, obtain mechanics of materials data by universal testing machine sensor to material, control figure ccd video camera is by microscope association capture material heterogeneous microstructure image simultaneously;
4) by data line, the mechanics of materials data collected and heterogeneous microstructure image transmitting to PC are shown and store;
5) follow the tracks of that universal testing machine gathers with carrier material Mechanical Data, when load suddenly change, automatically identification stress mutation point, and at this time trigger video camera capture material heterogeneous microstructure instantaneous picture;
6) corresponding to each key point in PC heterogeneous microstructure instantaneous picture is analyzed, and comprises Image semantic classification, characteristics of image identification extraction and parameter measurement analysis;
7) utilizing macro and micro coupling analytical method, setting up with carrying lower material damage model.
6. according to claim 5 with carrying lower microstructure realtime graphic observation acquisition method, it is characterized in that: described step 4) specific as follows:
By data line, the change of the mechanical parameters of universal testing machine sensor collection is presented at PC with the form of function curve and stores, the screen that the audio video synchronization photographed by digital CCD camera is presented at PC stores.
7. according to claim 5 with carrying lower microstructure realtime graphic observation 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, Iamge Segmentation by Binary Sketch of Grey Scale Image, thus extract cell tissue characteristic parameter and make Primary Stage Data for analyzing prepare with carrying the lower material damage expansion mechanism that develops.
8. according to claim 5 with carrying lower microstructure realtime graphic observation acquisition method, it is characterized in that: described step 7) specific as follows:
According to Mechanical Data, Fine Texture of Material deformation parameter that 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, continuous correction mathematics physics model parameter error, establishing until final with carrying lower Fine Texture of Material damage model, obtaining dynamic load and material microscopic damage evolution coupling mechanism.
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* Cited by examiner, † Cited by third party
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CN104007014B (en) * 2014-06-18 2016-03-02 哈尔滨工业大学 Micro structures comprehensive mechanical property proving installation
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
CN113203621B (en) * 2021-04-02 2023-03-17 大连理工大学 Special clamp for mechanical test of plate-shaped sample

Citations (4)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579814A (en) * 1991-03-15 1993-03-30 Nikon Corp Scanning-probe type microscope

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
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

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