CN112461752A - Method for accurately controlling thickness of adhesive layer in tensile shear test of heat-conducting adhesive - Google Patents
Method for accurately controlling thickness of adhesive layer in tensile shear test of heat-conducting adhesive Download PDFInfo
- Publication number
- CN112461752A CN112461752A CN202011127465.5A CN202011127465A CN112461752A CN 112461752 A CN112461752 A CN 112461752A CN 202011127465 A CN202011127465 A CN 202011127465A CN 112461752 A CN112461752 A CN 112461752A
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- China
- Prior art keywords
- thickness
- limiting block
- adhesive
- base material
- adhesive layer
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Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 46
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 46
- 239000012790 adhesive layer Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a method for accurately controlling the thickness of a heat-conducting adhesive layer in a tensile shear test; the method comprises the following steps: step 1, coating an adhesive on one edge of a pretreated base material, wherein the thickness of the coated adhesive is slightly larger than H/2, and H is the thickness of a test adhesive layer to be controlled; step 2, attaching the first thickness limiting block to the first base material, aligning the edge with glue and the width, attaching the first thickness limiting block and the first base material to the bottom plate, and clamping and fixing the first thickness limiting block, the first base material and the bottom plate by using the first fixing clamp; step 3, referring to the step 1 and the step 2, attaching the second base material, the second thickness limiting block and the bottom plate, and clamping the second base material, the second thickness limiting block and the bottom plate by using the second fixing frame; step 4, pressing the components manufactured in the step 1, the step 2 and the step 3, and keeping the first fixing clamp and the second fixing clamp to be clamped tightly; the 2-piece thickness limiting blocks with precise thickness sizes are lapped with the bonded base material in a fixing mode through a fixing frame, and a thickness gap of the needed adhesive is formed so as to control the thickness of the adhesive.
Description
Technical Field
The invention relates to a method for accurately controlling the thickness of a glue layer in a tensile shear test of a heat-conducting adhesive.
Background
The heat-conducting adhesive is generally applied to the bonding fixation of a battery pack in the new energy lithium battery industry, the tensile shear test is a key performance test for evaluating the bonding performance of the heat-conducting adhesive, the thickness of a bonding adhesive layer is found to have a large influence on the tensile shear test result in the test, and if the thickness of the adhesive layer is not strictly controlled in the test process, the test result is often large in fluctuation, and even the condition that the specification requirement is not met is generated.
Disclosure of Invention
The invention aims to provide a method for accurately controlling the thickness of a heat-conducting adhesive tensile shear test adhesive layer so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for accurately controlling the thickness of a glue layer in a tensile shear test of a heat-conducting adhesive comprises the following steps:
and 4, pressing the components manufactured in the steps 1, 2 and 3, and keeping the first fixing clamp and the second fixing clamp clamped tightly.
Preferably, the floor is kept horizontal.
Preferably, the first thickness limiter and the second thickness limiter are kept horizontal.
Preferably, the thickness of the first thickness limiting block is consistent with that of the second thickness limiting block.
Preferably, the first thickness limiting block is also respectively abutted against the second base material and the adhesive.
Preferably, the second thickness limiting block is also respectively abutted against the first base material and the adhesive.
Preferably, the thickness of the adhesive is equal to the thickness of the first thickness limiting block minus the thickness of the first substrate.
The invention has the beneficial effects that: according to the method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive, 2 thickness limiting blocks with precise thickness and size are overlapped with the bonded substrate in a fixing mode of the fixing frame to form a required thickness gap of the adhesive, so that the purpose of controlling the thickness of the adhesive is achieved, the thickness of the adhesive layer of the adhesive can be strictly controlled, a standardized sample preparation process is realized, and the accuracy and consistency of test results are improved.
Drawings
FIG. 1 is a schematic diagram illustrating an embodiment of a method for accurately controlling the thickness of a tensile shear test adhesive layer of a thermal conductive adhesive according to the present invention;
FIG. 2 is a schematic diagram illustrating an embodiment of a method for accurately controlling the thickness of a tensile shear test adhesive layer of a thermal conductive adhesive according to the present invention;
FIG. 3 is a schematic diagram illustrating an embodiment of a method for accurately controlling the thickness of a tensile shear test adhesive layer of a thermal conductive adhesive according to the present invention;
FIG. 4 is a schematic diagram illustrating an embodiment of a method for precisely controlling the thickness of a tensile shear test adhesive layer of a thermally conductive adhesive according to the present invention;
FIG. 5 is a schematic diagram illustrating an embodiment of a method for accurately controlling the thickness of a tensile shear test adhesive layer of a thermally conductive adhesive according to the present invention;
description of the drawings: 1. a first thickness limiting block; 2. a first fixing clamp; 3. an adhesive; 4. a second substrate; 5. A second thickness limiting block; 6. a base plate; 7. a first substrate; 8. and a second fixing clamp.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
A method for accurately controlling the thickness of a glue layer in a tensile shear test of a heat-conducting adhesive comprises the following steps:
and 4, pressing the components manufactured in the steps 1, 2 and 3, and keeping the first fixing clamp 2 and the second fixing clamp 8 clamped tightly, as shown in fig. 5 and 1.
The floor 6 remains horizontal; the first thickness limiting block 1 and the second thickness limiting block 5 are both kept horizontal; the thickness of the first thickness limiting block 1 is consistent with that of the second thickness limiting block 5; the first thickness limiting block 1 is also abutted against the second base material 4 and the adhesive 3 respectively; the second thickness limiting block 5 is also abutted against the first base material 7 and the adhesive 3 respectively; the thickness of the adhesive 3 is equal to the thickness of the first thickness limiting block 1 minus the thickness of the first base material 7.
The method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive realizes more accurate control of the thickness of the adhesive layer of the adhesive, ensures controllable errors in the product test process of the adhesive, realizes a standardized sample preparation process, and improves the accuracy and consistency of test results.
The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. A method for accurately controlling the thickness of a heat-conducting adhesive layer in a tensile shear test is characterized by comprising the following steps: the method comprises the following steps:
step 1, coating an adhesive (3) on the edge of a pretreated base material I (7), wherein the thickness of the coated adhesive (3) is slightly larger than H/2, and H is the thickness of a test adhesive layer to be controlled;
step 2, attaching the first thickness limiting block (1) to the first base material (7), aligning the edges with glue and the widths, attaching the first thickness limiting block (1) and the first base material (7) to the bottom plate (6), and clamping and fixing the first thickness limiting block (1), the first base material (7) and the bottom plate (6) by using a first fixing clamp (2);
step 3, referring to the step 1 and the step 2, attaching the second base material (4), the second thickness limiting block (5) and the bottom plate (6), and clamping the second base material (4), the second thickness limiting block (5) and the bottom plate (6) by using a second fixing frame (8);
and 4, pressing the components manufactured in the steps 1, 2 and 3, and keeping the first fixing clamp (2) and the second fixing clamp (8) clamped tightly.
2. The method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive according to claim 1, is characterized in that: the floor (6) is kept horizontal.
3. The method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive according to claim 1, is characterized in that: the first thickness limiting block (1) and the second thickness limiting block (5) are kept horizontal.
4. The method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive according to claim 1, is characterized in that: the thickness of the first thickness limiting block (1) is consistent with that of the second thickness limiting block (5).
5. The method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive according to claim 1, is characterized in that: the first thickness limiting block (1) is also abutted against the second base material (4) and the adhesive (3) respectively.
6. The method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive according to claim 1, is characterized in that: the second thickness limiting block (5) is also abutted against the first base material (7) and the adhesive (3) respectively.
7. The method for accurately controlling the thickness of the adhesive layer in the tensile shear test of the heat-conducting adhesive according to claim 1, is characterized in that: the thickness of the adhesive (3) is equal to the thickness of the first thickness limiting block (1) minus the thickness of the first base material (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127465.5A CN112461752A (en) | 2020-10-20 | 2020-10-20 | Method for accurately controlling thickness of adhesive layer in tensile shear test of heat-conducting adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127465.5A CN112461752A (en) | 2020-10-20 | 2020-10-20 | Method for accurately controlling thickness of adhesive layer in tensile shear test of heat-conducting adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112461752A true CN112461752A (en) | 2021-03-09 |
Family
ID=74833595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011127465.5A Pending CN112461752A (en) | 2020-10-20 | 2020-10-20 | Method for accurately controlling thickness of adhesive layer in tensile shear test of heat-conducting adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112461752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102365410B1 (en) * | 2021-05-26 | 2022-02-23 | 현대제철 주식회사 | Evaluating method of adhesion property of metal plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289774A (en) * | 2000-04-06 | 2001-10-19 | Denki Kagaku Kogyo Kk | Evaluation method for adhesive and bonding method |
| CN102954910A (en) * | 2011-08-26 | 2013-03-06 | 航天科工防御技术研究试验中心 | Heat-resistant coating tensile shear strength test model and production method thereof |
| CN204269449U (en) * | 2014-12-16 | 2015-04-15 | 北京汽车股份有限公司 | A kind of brace table device making shear test test piece |
| CN105014860A (en) * | 2015-08-07 | 2015-11-04 | 上海交通大学 | Glue joint structural part manufacturing tool adapting to different sizes |
| CN207923557U (en) * | 2018-02-28 | 2018-09-28 | 浙江众泰汽车制造有限公司 | Measure the sample preparation device of adhesive tensile shear strength |
| CN110132667A (en) * | 2019-04-19 | 2019-08-16 | 东风汽车集团有限公司 | A kind of adhesive tensile shear strength sample batch preparation tooling and method |
| CN209727573U (en) * | 2019-02-28 | 2019-12-03 | 上纬新材料科技股份有限公司 | A kind of tooling for cutting sample thickness uniformity for controlling bonding agent drawing |
-
2020
- 2020-10-20 CN CN202011127465.5A patent/CN112461752A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001289774A (en) * | 2000-04-06 | 2001-10-19 | Denki Kagaku Kogyo Kk | Evaluation method for adhesive and bonding method |
| CN102954910A (en) * | 2011-08-26 | 2013-03-06 | 航天科工防御技术研究试验中心 | Heat-resistant coating tensile shear strength test model and production method thereof |
| CN204269449U (en) * | 2014-12-16 | 2015-04-15 | 北京汽车股份有限公司 | A kind of brace table device making shear test test piece |
| CN105014860A (en) * | 2015-08-07 | 2015-11-04 | 上海交通大学 | Glue joint structural part manufacturing tool adapting to different sizes |
| CN207923557U (en) * | 2018-02-28 | 2018-09-28 | 浙江众泰汽车制造有限公司 | Measure the sample preparation device of adhesive tensile shear strength |
| CN209727573U (en) * | 2019-02-28 | 2019-12-03 | 上纬新材料科技股份有限公司 | A kind of tooling for cutting sample thickness uniformity for controlling bonding agent drawing |
| CN110132667A (en) * | 2019-04-19 | 2019-08-16 | 东风汽车集团有限公司 | A kind of adhesive tensile shear strength sample batch preparation tooling and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102365410B1 (en) * | 2021-05-26 | 2022-02-23 | 현대제철 주식회사 | Evaluating method of adhesion property of metal plate |
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Application publication date: 20210309 |