CN211206206U - Pressure head assembly for testing interlayer bonding strength of multilayer composite material by pressurization method - Google Patents
Pressure head assembly for testing interlayer bonding strength of multilayer composite material by pressurization method Download PDFInfo
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- CN211206206U CN211206206U CN201922230310.3U CN201922230310U CN211206206U CN 211206206 U CN211206206 U CN 211206206U CN 201922230310 U CN201922230310 U CN 201922230310U CN 211206206 U CN211206206 U CN 211206206U
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- composite material
- section supporting
- multilayer composite
- semicircular section
- pressure head
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Abstract
The utility model discloses a pressure head component for testing the interlayer bonding strength of a multilayer composite material by a pressurization method, which comprises two semicircular section supporting blocks and two conical pressure heads, wherein the semicircular section supporting blocks are provided with grooves with semicircular sections at the axes of cylindrical surfaces; when the device is used, the two semicircular section supporting blocks are spliced into a cylinder shape and inserted into a round hole in a multilayer composite material spline with a round hole in the middle, and a universal material testing machine is used for measuring the force which is generated by the force of pressure applied to the two conical pressure heads and transmitted to the grooves in the two semicircular section supporting blocks and is perpendicular to the plane of the sheet layer of the multilayer composite material, so that the interlayer bonding strength of the multilayer composite material is measured. Additionally, the utility model discloses simple structure is small and exquisite, portable, reasonable in design and make simple, convenient to use, easily operation, is favorable to using widely.
Description
Technical Field
The utility model belongs to the technical field of the performance test of material, specifically be a pressure head subassembly that relates to a pressurization method test multilayer combined material interlaminar bonding strength.
Background
A multilayer composite material is a composite material produced by laminating, bonding and adhering a plurality of sheets, and is widely used in furniture plates, ship hulls, airplane housings, electric vehicle housings, and the like. Generally, the stronger the adhesion between the sheet layers making up the multilayer composite, the better the mechanical properties of the multilayer composite.
The interlayer bond strength of a multilayer composite can be measured by applying a shear or peel force to two adjacent plies of the multilayer composite, typically by means of a universal material testing machine. The universal material testing machine is also called material tensile testing machine and electronic tensile testing machine, is formed from structure of chuck, measuring system, driving system and control system, and can be used for the tests of tensile test, bending test and compression test of material sample, and can apply pressure to the material so as to measure the compression strength of the material. .
Forces that prop apart the plies perpendicular to the ply level are difficult to apply well to the multi-layer composite and thus the inter-ply bond strength of the multi-layer composite is difficult to measure well accurately.
Disclosure of Invention
An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a pressure head subassembly of joint strength between pressurization method test multilayer combined material layer, it can be effectual determines multilayer combined material's interlayer joint strength.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a pressure head subassembly of bonding strength between pressurization test multilayer combined material layer which characterized in that: comprises a semicircular section supporting block and a conical pressure head; the axis of the cylindrical surface of the semicircular section supporting block is provided with a groove with a semicircular section; the number of the semicircular section supporting blocks is two, and the two semicircular section supporting blocks can be spliced into a cylinder; the number of the conical pressing heads is two, the two conical pressing heads are symmetrically arranged at two cylindrical two ends formed by splicing the semicircular section supporting blocks, and the conical tips of the two conical pressing heads are respectively aligned with two ends of the groove in the semicircular section supporting block.
The pressure head assembly for testing the interlayer bonding strength of the multilayer composite material by the pressurization method is characterized in that: the semicircular section supporting block and the conical pressure head are made of metal materials.
When the pressure head assembly for testing the interlayer bonding strength of the multilayer composite material by the pressurization method is used, the two semicircular section supporting blocks are spliced into a cylindrical shape and inserted into a circular hole in a multilayer composite material sample strip with a circular hole in the middle, the axis of the circular hole in the multilayer composite material sample strip with the circular hole in the middle is parallel to the plane of a sheet layer of the multilayer composite material, and the splicing surfaces of the two semicircular section supporting blocks and the plane of the sheet layer of the multilayer composite material are placed in a parallel state; aligning the conical tips of the two conical pressing heads to the two ends of the groove on the semicircular section supporting block respectively; the two conical pressure heads are respectively applied with pressure by two pressure heads of the universal material testing machine, so that the conical surfaces of the two conical pressure heads apply pressure to two ends of the groove on the semicircular section supporting block, the two semicircular section supporting blocks are driven to apply the strutting force perpendicular to the sheet plane of the multilayer composite material to two sides from the circular hole of the multilayer composite material spline with the circular hole in the middle, and the strutting force can be measured by the applied pressure measured by the universal material testing machine, so that the interlayer bonding strength of the multilayer composite material is tested.
Compared with the prior art, the utility model has the following advantage:
1. the utility model can apply the force vertical to the sheet layer surface to the multilayer composite material in a pressure applying mode, thereby accurately measuring the interlayer bonding strength of the multilayer composite material;
2. the utility model has the advantages that the semicircular cross section supporting block and the conical pressure head can be disassembled and then are arranged in the packing box, so that the pressure head component provided by the utility model is convenient to carry;
3. the utility model is convenient to use, easy to test and operate and beneficial to popularization and use;
4. the utility model has the advantages of simple structure and reasonable design, make simply, be favorable to using widely.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a drawing of the installation and connection parts of the semicircular section supporting block and the conical pressing head of the utility model.
Fig. 2 is a perspective view of the semicircular section supporting block of the present invention.
Fig. 3 is a state diagram of the assembled parts of the present invention in the using process.
FIG. 4 is a perspective view of a multilayer composite bar with a hole in the middle.
Description of reference numerals:
1-a semicircular section supporting block; 2-a conical ram; 3-multilayer composite material sample strip with a round hole in the middle.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the utility model comprises a semicircular section supporting block 1 and a conical pressure head 2; the axis of the cylindrical surface of the semicircular section supporting block 1 is provided with a groove with a semicircular section; the number of the semicircular section supporting blocks 1 is two, and the two semicircular section supporting blocks 1 can be spliced into a cylinder; the number of the conical pressing heads 2 is two, the conical pressing heads 2 are symmetrically arranged at two cylindrical two ends formed by splicing the semicircular section supporting blocks 1, and the conical tips of the conical pressing heads 2 are respectively aligned with two ends of the grooves in the semicircular section supporting blocks 1.
In this embodiment, the semicircular section supporting block 1 and the conical pressing head 2 are made of metal materials.
The utility model discloses a theory of operation does: when the device is used, the two semicircular section supporting blocks 1 are spliced into a cylindrical shape and inserted into a circular hole in a multilayer composite material spline 3 with a circular hole in the middle, the axis of the circular hole in the multilayer composite material spline 3 with the circular hole in the middle is parallel to the plane of a multilayer composite material sheet, and the splicing surfaces of the two semicircular section supporting blocks 1 and the plane of the multilayer composite material sheet are placed in a parallel state; aligning the conical tips of the two conical pressing heads 2 to the two ends of the groove on the semicircular section supporting block 1 respectively; the two conical pressure heads 2 are respectively applied with pressure by two pressure heads of a universal material testing machine, so that the conical surfaces of the two conical pressure heads 2 apply pressure to two ends of the grooves on the two semicircular section supporting blocks 1, the two semicircular section supporting blocks 1 are driven to apply the stretching force perpendicular to the sheet plane of the multilayer composite material to two sides of the multilayer composite material spline 3 with the circular hole in the middle, and the stretching force can be measured by the applied pressure measured by the universal material testing machine, so that the interlayer bonding strength of the multilayer composite material is tested.
Claims (2)
1. The utility model provides a pressure head subassembly of bonding strength between pressurization test multilayer combined material layer which characterized in that: comprises a semicircular section supporting block (1) and a conical pressure head (2); the axis of the cylindrical surface of the semicircular section supporting block (1) is provided with a groove with a semicircular section; the number of the semicircular section supporting blocks (1) is two, and the two semicircular section supporting blocks (1) can be spliced into a cylinder; the quantity of conical pressure head (2) is two, two conical pressure head (2) symmetry sets up two the columniform both ends of semicircular cross section braced block (1) amalgamation, and two conical tip of conical pressure head (2) is adjusted well respectively the both ends of the recess on the semicircular cross section braced block (1).
2. The indenter assembly for testing the interlayer bonding strength of a multi-layer composite material by a pressing method according to claim 1, wherein: the semicircular section supporting block (1) and the conical pressure head (2) are made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922230310.3U CN211206206U (en) | 2019-12-13 | 2019-12-13 | Pressure head assembly for testing interlayer bonding strength of multilayer composite material by pressurization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922230310.3U CN211206206U (en) | 2019-12-13 | 2019-12-13 | Pressure head assembly for testing interlayer bonding strength of multilayer composite material by pressurization method |
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| Publication Number | Publication Date |
|---|---|
| CN211206206U true CN211206206U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922230310.3U Active CN211206206U (en) | 2019-12-13 | 2019-12-13 | Pressure head assembly for testing interlayer bonding strength of multilayer composite material by pressurization method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779870A (en) * | 2019-12-13 | 2020-02-11 | 陕西理工大学 | Pressure head assembly for testing interlayer bonding strength of multilayer composite material by pressurization method |
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2019
- 2019-12-13 CN CN201922230310.3U patent/CN211206206U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779870A (en) * | 2019-12-13 | 2020-02-11 | 陕西理工大学 | Pressure head assembly for testing interlayer bonding strength of multilayer composite material by pressurization method |
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