CN205280703U - Measure device of flexible material performance along with bend radius change rule - Google Patents
Measure device of flexible material performance along with bend radius change rule Download PDFInfo
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- CN205280703U CN205280703U CN201620007645.2U CN201620007645U CN205280703U CN 205280703 U CN205280703 U CN 205280703U CN 201620007645 U CN201620007645 U CN 201620007645U CN 205280703 U CN205280703 U CN 205280703U
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Abstract
The utility model relates to a flexible material's capability test field, concretely relates to measure device of flexible material performance along with bend radius change rule can measure to all kinds of flexible material. The device includes the different siphonozooid of radius or the column body, provides the curvature radius on flexible material layer through the siphonozooid or the column body, the device includes two -layer above polygon plate body or lamellar body, fixes through polygon plate body or lamellar body and personally experiences sth. Part of the body with the support tubulose body or column. Utilizing above -mentioned measuring device to measure flexible material and buckling under the deformation in the difference, the performance is along with the change rule of curvature radius increase and decrease. Through the utility model discloses can be directed against multiple flexible material, to same sample, to the sample under the non -destructive condition, comparatively fast nondestructive measurement same sample in prompt ground does not receive the restriction of material shape and kind at the buckle change rule of under the deformation degree various performances of difference, measurement repeatability is good, the precision height.
Description
Technical field
The utility model relates to the performance test field of flexible materials, is specifically related to a kind of flexible materials performance under bending distortion of measuring and, with the device of bending radius increase and decrease rule, can measure for each type flexible material.
Background technology
The application of flexible materials in people's life in the present age, industry and engineering is increasingly extensive, and flexible materials can also be called flexible composite. Flexible composite is made up of fiber reinforced material and toughness polymer matrix, it has bigger distortion scope compared with thermoset or polymer thermoplastic matrix matrix material, there are higher supporting capacity and good fatigue property, this kind of material material when low-stress effect is Low rigidity performance, and has quite high strength and stiffness when high stress. Simultaneously by special technology of preparing, by some functional materials compounds on a flexible substrate, realize the flexible materials with some function, as: flexible transductive material, flexible energy storage material, flexible insulant material etc., be widely used in electronic manufacturing industry, automobile industry, medical field, energy field etc. It it is a kind of functional materials having application prospect.
In recent years, thing networking fast development so that market to can be applied to various Working environment all kinds of miniature, flexible sensor demand is very big. Current digital electronic goods are to realizing miniature, flexible, wearable target development, and flexible generation technology, flexible display technologies, flexible electronic circuit etc. develop rapidly in recent years. But nowadays, the test of the flexible materials performance developed is carried out when deformation does not occur material often, there is certain gap with actual application environment. Therefore, urgently a kind of device of invention and method, it is possible to the Working environment of simulation material when being processed into device afterwards effectively, it is possible to realize the performance of material being tested in such circumstances.
Practical novel content
The purpose of this utility model be to provide a kind of measure flexible materials under bending distortion performance with the device of bending radius increase and decrease rule, can for multiple flexible materials, for same sample, to sample nondestructive when, measuring it under different crooked process radius, various performance is with the Changing Pattern of radius-of-curvature.
In order to realize above-mentioned purpose, the technical solution of the utility model is as follows:
Measuring the device of flexible materials performance with bending radius Changing Pattern, this device comprises the different tubular body arranged inside of radius or column body, is provided the radius-of-curvature of flexible material layer by tubular body arranged inside or column body; This device comprises more than two layers polygonal panel bodies or sheet body, is fixed and supported tubular body arranged inside or column body by polygonal panel body or sheet body.
Described measurement flexible materials performance presses graded with the device of bending radius Changing Pattern, the tubular body arranged inside that radius is different or column body.
Described measurement flexible materials performance is with the device of bending radius Changing Pattern, more than two layers polygonal panel bodies or the parallel setting of sheet body, installing tubular body arranged inside or the column body of graded between adjacent two layers polygonal panel body or sheet body, tubular body arranged inside or column body are vertical with polygonal panel body or sheet body.
Described measurement flexible materials performance is fixed on tubular body arranged inside or column external surface with the device of bending radius Changing Pattern, thin slice shape, tabular or threadiness flexible material layer.
Described measurement flexible materials performance with the device of bending radius Changing Pattern, equal height different curvature radius tubular body arranged inside or column body adopt gluing, weld or be mechanically anchored in polygonal panel body or between sheet body.
Described measurement flexible materials performance, with the device of bending radius Changing Pattern, flexible material layer arranges four probe method test electrode line, and flexible material layer is connected with four probe method conductivity measurement by four probe method test electrode line.
The utility model mentality of designing is as follows:
First, according to Materials science principle, for flexible materials, the environment for use in its future is mostly in certain bending and is out of shape, and for dimension or a two-dimensional material, it occurs bending distortion to be need more deep exploration with change and the difference of performance under free state. In order to make measuring result closer to the service condition of reality, tubular body arranged inside that choose diameter always, that outer wall is comparatively smooth or column body, entirely fit the flexible materials back side with tubular body arranged inside or column external surface and contact, to ensure that its bending radius is consistent with pipe external diameter. Secondly, more wish to explore the aggravation of certain performance along with flexural deformation of same material, the Changing Pattern of its performance, further probes into flexural deformation to the impact of the microstructure of material internal, so the tubular body arranged inside of different curvature radius or column body being integrated in reasonable manner between two or more than two polygonal panel body or sheet body.
Just based on above 2 main design guidance thoughts, the utility model successfully achieves for same flexible materials, the Changing Pattern that its bending performance increases and decreases can be analyzed with bending radius, both can apply to the research of Materials science aspect, probe into different bending deformation extent to the impact of material internal; Can being directly used in again the change measuring performance when bending distortion occurs flexible materials, service condition with reality matches well, as an important parameter of the final practice of material.
Advantage of the present utility model and useful effect are as follows:
1, the utility model uses device and method are applicable to various flexible materials, such as thin slice shape, threadiness, tabular etc.
2, the utility model uses device and method are little to the flexible materials shape need of test, applied range.
3, sample is fixed in tubular body arranged inside or column surface by the utility model by gluing or mechanical fixing method, both ensure that material bending distortion was consistent with pipe exterior radius, the crooked process radius that same sample test is different can be realized again, to test sample not damaged.
4, the utility model equipment therefor is integrated with tubular body arranged inside or the column body of one group of multiple different radii, it is possible to for analyzing the Changing Pattern that its performance of same sample increases and decreases with bending radius.
5, the utility model uses device and method can be combined with corresponding surveying instrument, for measuring the various performance variation of flexible materials under bending state, are applicable to the measurement of the performances such as the electric property of material, magnetics, calorifics.
6, the utility model also for fibrous material occur helix-deformed time, its performance with the diameter of spiral, the Changing Pattern of the isoparametric change of pitch.
Accompanying drawing explanation
Fig. 1 is the experimental installation signal overall diagram that the utility model does. In figure, 1 polygonal panel body or sheet body; 2 tubular body arranged insidies or column body.
Fig. 2 is the experimental installation signal exploded view that the utility model does. In figure, 1 polygonal panel body or sheet body; 2 tubular body arranged insidies or column body.
Fig. 3 is that the utility model measures cellulose paper/Bi2Te3The Changing Pattern experimental installation schematic diagram that the electric property of thermal electric film matrix material increases and decreases with bending radius. In figure, 1 polygonal panel body or sheet body; 3 flexible material layers; 4 four probe method test electrode lines; 5 four probe method conductivity measurements.
Fig. 4 is that the utility model measures cellulose paper/Bi2Te3The Changing Pattern experimental result broken line graph that the electric property of thermal electric film matrix material increases and decreases with bending radius. In figure, X-coordinate represents resistance (��), and ordinate zou represents bending radius (cm).
Embodiment
In specific implementation process, the utility model provides a kind of experimental installation, and the integrated one group of radius of this device presses tubular body arranged inside or the column body of certain graded, for providing corresponding radius-of-curvature to flexible materials sample to be measured. Further, device carries out radius-of-curvature marked, data record when being convenient for measuring. Further, the utility model provides a kind of method making experimental installation, the method such as equal height different curvature radius tubular body arranged inside or column body adopt gluing, welding, machinery fixing, it is fixed between two layers or more than two layers polygonal panel bodies or sheet body, it is achieved the integration of performance test process under multiple radius.
The utility model provides a kind of testing method, the method by being combined above-mentioned experimental installation with respective performances testing tool, reach the Changing Pattern of the flexible materialss such as test sheets shape, tabular or threadiness performance under difference bending distortion, specifically comprise the following steps:
1, flexible materials sample is fixed on experimental installation by flexible materials to be measured by gluing or mechanical fixing etc. mode.
2, with gold thread, elargol etc., flexible materials sample is connected with testing tool, or directly device is placed in sample table, make flexible materials sample be in test zone.
3, corresponding surveying instrument is used to carry out the test of performance.
4, flexible materials sample is taken off, on the tubular body arranged inside being fixed on another radius-of-curvature or column body, repeating step 3.
5, through repeatedly changing the radius-of-curvature of flexible materials sample, drawing taking radius-of-curvature is X-coordinate, and performance test value is the broken line graph of ordinate zou, by observing, simulates the Changing Pattern of flexible materials properties of sample with radius-of-curvature.
The utility model provides a kind of Changing Pattern measuring the threadiness helix-deformed lower performance of flexible materials, comprises the following steps:
1, threadiness flexible materials one being fixed on tubular body arranged inside or one end of column body, by threadiness flexible materials evenly around pipe outer wall, finally other end by fibrous flexible materials is also fixed on tubular body arranged inside or column external surface.
2, with gold thread, elargol etc., threadiness flexible materials is connected with testing tool, or directly device is placed in sample table, make threadiness flexible materials be in test zone.
3, corresponding surveying instrument is used to carry out the test of performance.
4, threadiness flexible materials is taken off, on tubular body arranged inside fiber being fixed on another radius-of-curvature by same method or column body, repeating step 3.
5, through repeatedly changing the radius-of-curvature of threadiness flexible materials, drawing taking radius-of-curvature is X-coordinate, performance test value is the broken line graph of ordinate zou, by observing, simulate the fiber that length is certain, two ends such as are fixed at long, the tubular body arranged inside of different radii or the two ends of column body, the Changing Pattern of performance under its spiral status.
Further explain and describe the utility model content by the following examples, but embodiment should not be understood to the restriction to the utility model protection domain.
In an embodiment, it is necessary to by sample, sample is fixed on tubular body arranged inside outside surface by gluing or mechanical fixing method, re-use gold thread, elargol etc. to be connected by its equipment in performance test. After test record performance, then change the tubular body arranged inside outside surface to another radius, measure. Finally draw out the Changing Pattern broken line graph of certain performance with crooked process radius of this flexible materials, through the later stage to the process of fitting treatment of data and broken line graph, draw the Changing Pattern that its performance increases and decreases with bending radius.
Embodiment 1 cellulose paper/Bi2Te3The Changing Pattern that the electric property of thermal electric film matrix material increases and decreases with bending radius.
Testing method: compound cellulose pattern product are positioned at the bottom of elastic polyphenyl amide group, fixes fiber with heat-conductivity conducting elargol and draws four ends test lead-in wires, monitor temperature and voltage during for measuring. It is little that the area of elargol lead-in wire and cellulose paper surface contact should be tried one's best, in order to avoid introducing unnecessary measuring error. Again the polyphenyl acid amides sheet with sample is positioned on the Glass tubing with different curvature radius, characterizes the crooked process radius of conjugated fibre by the radius-of-curvature of Glass tubing, record corresponding resistance change simultaneously.
As shown in Figure 1-Figure 3, the experimental installation structure of test is as follows:
Two layers or more than two layers polygonal panel bodies or the parallel setting of sheet body 1, tubular body arranged inside or the column body 2 of graded are installed between adjacent two layers polygonal panel body or sheet body 1, tubular body arranged inside or column body 2 are vertical with polygonal panel body or sheet body 1, and the flexible material layers 3 such as thin slice shape, tabular or threadiness are fixed on tubular body arranged inside or column body 2 outside surface. Equal height different curvature radius tubular body arranged inside or column body 2 adopt gluing, welding or the method such as machinery is fixing, are fixed between two layers or more than two layers polygonal panel bodies or sheet body 1. Arranging four probe method test electrode line 4 on flexible material layer 3, flexible material layer 3 is connected with four probe method conductivity measurement 5 by four probe method test electrode line 4.
In the present embodiment, polygonal panel body or sheet body 1 adopt pentagon sheet glass, and tubular body arranged inside or column body 2 adopt Glass tubing. Adopt gluing method, the Glass tubing of ten different curvature radius is divided between the pentagon sheet glass that two layers are fixed on the sizes such as three pieces, obtain the experimental installation of integrated ten different curvature radius. Again by flexible material layer 3 (as: cellulose paper/Bi2Te3Thermal electric film composite sample) it is fixed on Glass tubing surface, with gold thread, flexible material layer 3 four angles are connected with four probe method conductivity measurement 5 four contacts respectively.
As shown in Figure 4, the utility model cellulose paper/Bi2Te3The Changing Pattern that the electric property of thermal electric film matrix material increases and decreases with bending radius, test result: compound cellulose paper thermoelectric material has good flexibility, when crooked process radius is 1cm, the relative change of resistance value is less than 10%, when crooked process radius is 2cm, the relative change of resistance value is less than 3%, and Seebeck coefficient is without obvious change. Under differently curved radius, flex capability experimental apparatus for testing is as shown in Figure 3.
Embodiment 2 glass fibre/Bi2Te3The Changing Pattern that film composite material electric property increases and decreases with bending radius.
With the testing method of embodiment 1, conjugated fibre sample is positioned at the bottom of elastic polyphenyl amide group, with heat-conductivity conducting elargol fiber is fixed and draw four ends test lead-in wires, monitor temperature and voltage during for measuring. It is little that the area of elargol lead-in wire and cellulose paper surface contact should be tried one's best, in order to avoid introducing unnecessary measuring error. Polyphenyl acid amides sheet with sample is positioned on the Glass tubing with different curvature radius, characterizes the crooked process radius of conjugated fibre by the radius-of-curvature of Glass tubing, record corresponding resistance change simultaneously.
Test result: in order to upper method test compound filamentary material without bending time axial specific conductivity be 1500��2500S/cm. Complex fiber material has good flexibility, and when crooked process radius is 1cm, the relative change of resistance value is less than 10%, and when crooked process radius is 2cm, the relative change of resistance value is less than 3%, and Seebeck coefficient is without obvious change.
Embodiment result shows, the utility model device comprises tubular body arranged inside or the column body of multiple different radii, one group can be provided by the bending radius-of-curvature of graded for flexible materials, above-mentioned measuring apparatus is utilized to measure flexible materials under difference bending distortion, the Changing Pattern that performance increases and decreases with radius-of-curvature. Pass through the utility model, it is possible to the Changing Pattern of the same sample of nondestructive measurement various performance under difference bends deformation extent more quickly, not by the restriction of material shape and kind, measuring repeatability is good, precision height.
Claims (6)
1. measure the device of flexible materials performance with bending radius Changing Pattern for one kind, it is characterised in that, this device comprises the different tubular body arranged inside of radius or column body, is provided the radius-of-curvature of flexible material layer by tubular body arranged inside or column body; This device comprises more than two layers polygonal panel bodies or sheet body, is fixed and supported tubular body arranged inside or column body by polygonal panel body or sheet body.
2. measurement flexible materials performance according to claim 1 is with the device of bending radius Changing Pattern, it is characterised in that, the tubular body arranged inside that radius is different or column body are by graded.
3. measurement flexible materials performance according to claim 1 is with the device of bending radius Changing Pattern, it is characterized in that, more than two layers polygonal panel bodies or the parallel setting of sheet body, installing tubular body arranged inside or the column body of graded between adjacent two layers polygonal panel body or sheet body, tubular body arranged inside or column body are vertical with polygonal panel body or sheet body.
4. measurement flexible materials performance according to claim 1 is with the device of bending radius Changing Pattern, it is characterised in that, thin slice shape, tabular or threadiness flexible material layer are fixed on tubular body arranged inside or column external surface.
5. measurement flexible materials performance according to claim 1 is with the device of bending radius Changing Pattern, it is characterised in that, equal height different curvature radius tubular body arranged inside or column body adopt gluing, weld or be mechanically anchored in polygonal panel body or between sheet body.
6. measurement flexible materials performance according to claim 1 is with the device of bending radius Changing Pattern, it is characterized in that, arranging four probe method test electrode line on flexible material layer, flexible material layer is connected with four probe method conductivity measurement by four probe method test electrode line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620007645.2U CN205280703U (en) | 2016-01-05 | 2016-01-05 | Measure device of flexible material performance along with bend radius change rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620007645.2U CN205280703U (en) | 2016-01-05 | 2016-01-05 | Measure device of flexible material performance along with bend radius change rule |
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| Publication Number | Publication Date |
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| CN205280703U true CN205280703U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620007645.2U Expired - Fee Related CN205280703U (en) | 2016-01-05 | 2016-01-05 | Measure device of flexible material performance along with bend radius change rule |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784928A (en) * | 2016-01-05 | 2016-07-20 | 中国科学院金属研究所 | Device and method for measuring change law of flexible material performance along with bending radius |
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2016
- 2016-01-05 CN CN201620007645.2U patent/CN205280703U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784928A (en) * | 2016-01-05 | 2016-07-20 | 中国科学院金属研究所 | Device and method for measuring change law of flexible material performance along with bending radius |
| CN105784928B (en) * | 2016-01-05 | 2018-07-10 | 中国科学院金属研究所 | It is a kind of to measure device and method of the flexible material performance with bending radius changing rule |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20210105 |