CN209727574U - A kind of adhesive critical energy release rate double cantilever beam standard sample test plate (panel) - Google Patents
A kind of adhesive critical energy release rate double cantilever beam standard sample test plate (panel) Download PDFInfo
- Publication number
- CN209727574U CN209727574U CN201920256961.7U CN201920256961U CN209727574U CN 209727574 U CN209727574 U CN 209727574U CN 201920256961 U CN201920256961 U CN 201920256961U CN 209727574 U CN209727574 U CN 209727574U
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- panel
- plate
- standard sample
- layer
- release rate
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 239000000853 adhesive Substances 0.000 title claims abstract description 34
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 239000010408 film Substances 0.000 claims abstract description 27
- 239000000084 colloidal system Substances 0.000 claims abstract description 23
- 239000010409 thin film Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 5
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of adhesive critical energy release rate double cantilever beam standard sample test plate (panel)s, including two pieces of identical plate layers, the plate layer includes substrate layer, colloid layer, the substrate layer is located under the colloid layer, and colloid is provided in the U-type groove formed with the gasket of the colloid layer two sides by two-sided glue sticking, the substrate layer and two pieces of gaskets；Two pieces of plate layer bondings symmetrical above and below, and thin film is provided between two pieces of plate layers, the gasket on the film and two pieces of plate layers passes through two-sided glue sticking.The utility model realizes the factors such as the accurate control, including bondline thickness, film position of sample preparation link to DCB standard sample test plate (panel), substantially increases sample preparation efficiency, the dispersion ratio for reducing test result, enhances the repeatability and accuracy of test result.
Description
Technical field
The utility model relates to composite material test field more particularly to a kind of adhesive critical energy release rates (G1C)
Double cantilever beam (DCB) standard sample test plate (panel).
Background technique
Currently, first by base material cutting at the size of final DCB sample, then respectively the production of standard DCB sample is often
It is bonded together in the surface coating of two blocks of substrates, then by two blocks of substrates.Since final specimen size is smaller, and adhesive has
Certain mobility, sample making course often will cause the offset of the inaccuracy and film position of bondline thickness, while overflowing
Adhesive is not easily cleaned, and then is impacted to test result.
Therefore, those skilled in the art is dedicated to adhesive critical energy release rate (G1C) double cantilever beam (DCB) standard
Sample test plate (panel), the utility model sample preparation is high-efficient, the dispersion ratio that reduces test result, the repeatability for enhancing test result and
Accuracy precision height, high-efficient method.
Utility model content
The technical problem to be solved by the utility model is in view of the drawbacks of the prior art, it is critical to provide a kind of adhesive
Energy release rate (G1C) double cantilever beam (DCB) standard sample test plate (panel).
The utility model uses following technical scheme to solve above-mentioned technical problem:
The utility model provides a kind of adhesive critical energy release rate (G1C) double cantilever beam (DCB) standard sample test plate (panel),
Including two pieces of identical plate layers, the plate layer includes substrate layer, colloid layer, and the substrate layer is located under the colloid layer, and
Gasket with the colloid layer two sides is by two-sided glue sticking, and region is provided with glue between the substrate layer and two pieces of gaskets
Body；Two pieces of plate layer bondings symmetrical above and below, and thin film, the film and two pieces of institutes are provided between two pieces of plate layers
The gasket on plate layer is stated by two-sided glue sticking.
Preferably, the substrate of the substrate layer is fiberglass reinforced plastics, carbon fibre reinforced plastic, carbon glass shuffling fiber
Reinforced plastics, sheet metal.The substrate material of the substrate layer is preferably fiberglass reinforced plastics, and less preferred is that carbon fiber increases
Strong plastics, carbon glass shuffling fibre reinforced plastics, sheet metal.
Preferably, the gasket material is the on-deformable material of rigidity.Wherein, it is preferred that the gasket material includes
Sheet metal, glass steel disc, acrylic piece, sheet glass, potsherd.
Preferably, the length of the gasket (3) is less than or equal to the width of the substrate layer (1), the spacer thickness and institute
It is equal to state colloid thickness.
Preferably, the film material is polytetrafluoroethylene film, aluminium foil, Kapton.
Preferably, the thickness of the film is less than or equal to 13 μm.
Preferably, the equal length of the film and the substrate layer, and be less than the substrate layer width two/
One.
Preferably, the thickness of the double-sided adhesive is less than or equal to 0.1mm.
Preferably, the plate layer is rectangular plate-like.
A kind of adhesive critical energy release rate (G1C) double cantilever beam (DCB) standard sample test plate (panel) provided by the utility model,
It has the advantages that
1, two pieces of spacer thicknesses are identical, can accurately control the colloid thickness by controlling its thickness, so as to
The position of enough accurate control films, it is ensured that film is in standard sample test plate (panel) middle horizontal position；
2, the film is cemented fixed by the two-sided gluing with the gasket upper surface, avoid two blocks of plates it is laminated hold together
There is mobile phenomenon in the film when pressure, gauffer occurs；
3, the standard sample test plate (panel) top surface area is greater than standard sample, and one block of standard specimen plate can cut more existing standards
The experiment standard sample of sample size, and the structure of the experiment standard sample is more stable, avoids single Zhi Suoshu experiment standard
There is discrete larger situation in sample.
Detailed description of the invention
Fig. 1 is a kind of adhesive critical energy release rate (G1C) double cantilever beam (DCB) standard sample test plate (panel) master of the utility model
Depending on structural schematic diagram；
Fig. 2 is a kind of adhesive critical energy release rate (G1C) double cantilever beam (DCB) standard sample test plate (panel) of the utility model
Plate layer overlooking structure diagram；
Appended drawing reference indicates explanation in description above:
1- substrate layer；2- colloid layer；3- gasket；4- colloid；5- film；6- double-sided adhesive.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
As shown in Figs. 1-2, the embodiments of the present invention are a kind of adhesive critical energy release rate (G1C) double cantilever beam
(DCB) standard sample test plate (panel), including two pieces of identical plate layers, the plate layer include substrate layer 1, colloid layer 2, the substrate layer 1
Under the colloid layer 2, and with the gasket 3 of 2 two sides of colloid layer by double-sided adhesive 6 be bonded, the substrate layer 1 and two pieces
Region is provided with colloid 4 between the gasket 3；Two pieces of plate layer bondings symmetrical above and below, and be arranged between two pieces of plate layers
There is thin film 5.
In one preferred embodiment of the utility model, the substrate of the substrate layer 1 is fiberglass reinforced plastics.
Specifically, the substrate of the substrate layer 1 can also for carbon fibre reinforced plastic, carbon glass shuffling fibre reinforced plastics or
Sheet metal.
In one preferred embodiment of the utility model, 3 material of gasket is sheet metal.
Specifically, the material of the gasket 3 is the on-deformable material of rigidity, including sheet metal, glass steel disc, acrylic
Piece, sheet glass, potsherd.
In one preferred embodiment of the utility model, 5 material of film is polytetrafluoroethylene film.Specifically, institute
Stating 5 material of film can also be aluminium foil, Kapton.
In one preferred embodiment of the utility model, the film 5 with a thickness of 10 μm；The film 5 and the base
The equal length of material layer 1, and the one third of the width for the substrate layer 1.
In one preferred embodiment of the utility model, the upper plate layer is rectangular plate-like.
The production method of the utility model test plate (panel), comprising the following steps:
Step 1: successively carrying out coarse processing, cleaning treatment for the substrate glue-coated surface of fiberglass reinforced plastics material,
And identify each operating area；The operating area is pad area, gluing area, thin film region；
Step 2: taking the steel shim of two block lengths Yu the substrate layer equivalent width, in the upper and lower two sides of the gasket
It is each to paste the double-sided adhesive 6 that a layer thickness is 0.1mm, gasket is pasted by pad area by double-sided adhesive 6；
Step 3: the uniform full-filling adhesive in the glued area, and the colloid surface that the adhesive is formed is used
Homogeneous steel disc strikes off, and the colloid thickness is equal with the spacer thickness；
Step 4: on the double-sided adhesive 6 that the side of the film is pasted to the gasket, then with the drawing of 50N
The other side that the film is straightened in power pastes on another gasket；And with cuboid sponge by the film flattening；Its
In, other than cuboid sponge smooths, the smooth soft goods of other surfaces are used equally for smoothing.
Step 5: repeating said steps one, Step 2: step 3, is made the other one piece plate layer, then by two pieces of institutes
It states plate layer and is aligned and closes up and the standard sample is made；
Step 6: uniformly applying intensity in the upper surface of the standard sample is 40MPa pressure, then puts the standard sample
Enter in baking oven and is solidified.
Before use, also needing to carry out single stepping, which is first to cut standard sample test plate (panel) edge excessive glue part, institute
Excessive glue part is stated including the gasket on both sides, is then cut according to the size of standard sample, while in the standard sample
The side upper and lower surfaces of test plate (panel) stick loading blocks.Standard sample test plate (panel) at this time can be directly used for adhesive transition energy
The measurement of release rate (G1C).
The utility model realizes the accurate control of the sample preparation link to DCB sample test plate (panel), including colloid thickness, film position
The factors such as set, substantially increase sample preparation efficiency, the dispersion ratio for reducing test result, the repeatability for enhancing test result and
Accuracy.
Specific embodiment of the utility model is described in detail above, but it is merely an example, this is practical new
Type is not restricted to particular embodiments described above.To those skilled in the art, any pair of the utility model carries out
Equivalent modifications and substitution also all among the scope of the utility model.Therefore, in the spirit and model for not departing from the utility model
Lower made equal transformation and modification are enclosed, should all be covered in the scope of the utility model.
Claims (9)
1. a kind of adhesive critical energy release rate double cantilever beam standard sample test plate (panel), which is characterized in that including two blocks of identical plates
Layer, the plate layer includes substrate layer (1), colloid layer (2), and the substrate layer (1) is located under the colloid layer (2), and with institute
The gasket (3) for stating colloid layer (2) two sides is bonded by double-sided adhesive (6), between the substrate layer (1) and two pieces of gaskets (3)
Region is provided with colloid (4)；Two pieces of plate layer bondings symmetrical above and below, and thin film is provided between two pieces of plate layers
(5), it is Nian Jie to pass through double-sided adhesive (6) with the gasket (3) on two pieces of plate layers for the film (5).
2. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
The substrate for stating substrate layer (1) is fiberglass reinforced plastics, carbon fibre reinforced plastic, carbon glass shuffling fibre reinforced plastics, metal
Plate.
3. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
Gasket (3) material is stated as the on-deformable material of rigidity.
4. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
The length for stating gasket (3) is less than or equal to the width of the substrate layer (1), and the gasket (3) thickness and the colloid (4) thickness
It is equal.
5. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
Stating film (5) material is polytetrafluoroethylene film, aluminium foil, Kapton.
6. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
The thickness for stating film (5) is less than or equal to 13 μm.
7. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
The equal length of film (5) Yu the substrate layer (1) is stated, and is less than the half of the width of the substrate layer (1).
8. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
The thickness for stating double-sided adhesive is less than or equal to 0.1mm.
9. adhesive critical energy release rate double cantilever beam standard sample test plate (panel) according to claim 1, which is characterized in that institute
Stating test plate (panel) is rectangular plate-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256961.7U CN209727574U (en) | 2019-02-28 | 2019-02-28 | A kind of adhesive critical energy release rate double cantilever beam standard sample test plate (panel) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256961.7U CN209727574U (en) | 2019-02-28 | 2019-02-28 | A kind of adhesive critical energy release rate double cantilever beam standard sample test plate (panel) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727574U true CN209727574U (en) | 2019-12-03 |
Family
ID=68684429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920256961.7U Active CN209727574U (en) | 2019-02-28 | 2019-02-28 | A kind of adhesive critical energy release rate double cantilever beam standard sample test plate (panel) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781488A (en) * | 2019-02-28 | 2019-05-21 | 上纬新材料科技股份有限公司 | An adhesive critical energy release rate double cantilever standard sample test plate and its making method |
| CN111595700A (en) * | 2020-05-29 | 2020-08-28 | 鞍钢股份有限公司 | A kind of impact test method of low-strength cold-rolled sheet material |
-
2019
- 2019-02-28 CN CN201920256961.7U patent/CN209727574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781488A (en) * | 2019-02-28 | 2019-05-21 | 上纬新材料科技股份有限公司 | An adhesive critical energy release rate double cantilever standard sample test plate and its making method |
| CN111595700A (en) * | 2020-05-29 | 2020-08-28 | 鞍钢股份有限公司 | A kind of impact test method of low-strength cold-rolled sheet material |
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