CN111024608A - Device for detecting tensile bonding strength of coating - Google Patents
Device for detecting tensile bonding strength of coating Download PDFInfo
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- CN111024608A CN111024608A CN201911310020.8A CN201911310020A CN111024608A CN 111024608 A CN111024608 A CN 111024608A CN 201911310020 A CN201911310020 A CN 201911310020A CN 111024608 A CN111024608 A CN 111024608A
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- 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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Abstract
The invention relates to a device for detecting tensile bonding strength of a coating, and belongs to the technical field of metallurgical detection test equipment. Including tensile testing machine, still include tensile machine assembly keep silent (1), tension bar (2), coating sample base member (3), loading block (6), tension bar (2) flat dumbbell shape steel structure, one end is provided with screw thread screw in body II (8), tensile machine assembly keep silent (1) has the tetragonal body of cavity for the core, and its core cavity matches with the first half of tension bar (2), and the tip of tensile machine assembly keep silent (1) is provided with screw thread screw in body I (7). The invention has reasonable structure and convenient use, can meet the detection requirement of the interface bonding strength performance of the coating and the substrate when detecting the interface bonding strength of the coating and the substrate, and effectively solves the problem that the traditional tensile testing machine tool cannot detect the interface bonding strength of the coating and the substrate in the field of surface engineering.
Description
Technical Field
The invention relates to a device for detecting tensile bonding strength of a coating, and belongs to the technical field of metallurgical detection test equipment.
Background
The metal material surface treatment engineering is a technical class which is created along with the industrial development and improves the surface wear resistance and corrosion resistance of industrial metal parts, and can effectively improve the surface properties of materials such as mechanical parts, electronic components and the like. After the metal surface is pretreated, the morphology, chemical composition and tissue morphology of the solid metal surface are changed by surface coating, modification or combination of multiple surface technologies, so that system engineering with ideal surface performance is obtained. The interface bonding strength of the coating and the substrate seriously influences the service life of the workpiece after surface treatment, the traditional tensile testing machine cannot detect the strength of the coating, and the key problem of evaluating the quality of the coating is how to detect the tensile bonding strength of the coating. Therefore, research and development of a tool for detecting the tensile bonding strength of the coating are needed, the interface bonding strength of the coating can be effectively detected, and an important means is provided for reasonably evaluating the interface bonding condition of the coating and the substrate.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a device for detecting the tensile bonding strength of a coating, which can meet the requirement of detecting the interface bonding condition of the coating and a substrate material, solve the problem that the traditional tensile testing machine cannot detect the interface bonding strength of the coating and the substrate in the surface engineering technology, and effectively quantize the interface bonding strength of the coating and the substrate.
The technical scheme for solving the technical problems is as follows:
the utility model provides a device for detecting tensile bonding strength of coating, includes tensile test machine, still includes tensile machine assembly keep silent, tension bar, coating sample base member, loading piece, the tension bar is flat dumbbell shape steel structure, and one end is provided with threaded screw in body II, tensile machine assembly keep silent for the square body that the core has the cavity, and its core cavity matches with the first half of tension bar mutually, and the tip of tensile machine assembly keep silent is provided with threaded screw in body I, screw in body I and tensile test machine force value sensor accordant connection, coating sample base member is the tetrahedron, and one end is provided with threaded screw in hole I, screw in hole I and screw in body II phase-match, the loading piece is the tetrahedron, and one end is provided with threaded screw in hole II, screw in hole II and screw in body II phase-match.
The length of the pull rod is 100 mm and 150 mm, the diameters of the two ends are 30-50 mm, and the diameter of the middle rod is 15-20 mm.
The diameter of the screw-in body II is 8-12 mm.
The invention has the beneficial effects that:
the tool for detecting the tensile bonding strength of the coating can meet the requirement of detecting the interface bonding condition of the coating and the substrate material, solves the problem that the traditional tensile testing machine cannot detect the interface bonding strength of the coating and the substrate in the surface engineering technology, and effectively quantizes the interface bonding strength of the coating and the substrate.
The invention has reasonable structure and convenient use, can meet the detection requirement of the interface bonding strength performance of the coating and the substrate when detecting the interface bonding strength of the coating and the substrate, and effectively solves the problem that the traditional tensile testing machine tool cannot detect the interface bonding strength of the coating and the substrate in the field of surface engineering.
Drawings
FIG. 1 is a schematic view of the inventive apparatus;
FIG. 2 is a schematic drawing of the tension bar of the inventive apparatus;
FIG. 3 is a schematic diagram of the loading block of the inventive apparatus;
FIG. 4 is a schematic illustration of a sample of the coating of the inventive apparatus;
the labels in the figure are: the tensile machine is provided with a jaw 1, a tensile rod 2, a coating sample substrate 3, a coating 4, adhesive 5, a loading block 6, a screw-in body I7, a screw-in body II 8, a screw-in hole I9 and a screw-in hole II 10.
Detailed Description
The technical solution in the embodiment of the present invention is described below with reference to the drawings in the embodiment of the present invention.
Example 1
As shown in the figure, the device for detecting the tensile bonding strength of the coating comprises a tensile testing machine, a tensile machine assembling jaw 1, a tensile rod 2, a coating sample substrate 3 and a loading block 6, the tension rod 2 is of a flat dumbbell-shaped steel structure, one end of the tension rod is provided with a screw-in body II 8 with threads, the tension machine assembly jaw 1 is a square body with a cavity at the core part, the cavity of the core part is matched with the upper half part of the tension rod 2, the end part of the assembly jaw 1 of the tension machine is provided with a screw-in body I7 with threads, the screw-in body I7 is connected with the force value sensor of the tensile testing machine in a matching way, the coating sample substrate 3 is in a tetrahedral shape, one end of the coating sample substrate is provided with a screw-in hole I9 with threads, the screwing hole I9 is matched with the screwing body II 8, the loading block 6 is in a four-surface shape, one end of the loading block is provided with a screwing hole II 10 with threads, and the screwing hole II 10 is matched with the screwing body II 8. The length of the tension rod 2 is 105 mm, the diameters of the head parts at two ends are 30 mm, and the middle rod is 16 mm. The diameter of the screw-in body II 8 is 8 mm.
During the test, the coating sample substrate 3 is coated, after the test conditions are met, the screw-in body I7 at the upper end of the tension machine assembly jaw 1 is assembled and connected with the tension machine force value sensor, the core cavity is assembled and connected with the tension rod 2, the coating sample substrate 3 is assembled and connected with the screw-in hole I9 through the screw-in body II 8, and the coating sample substrate 3 is assembled and connected with the tension rod 2.
A screwing body I7 at the upper end of the other tensile machine assembling jaw 1 is assembled and connected with a tensile machine force value sensor, a core cavity is assembled and connected with a tensile rod 2, a loading block 6 is assembled and connected with a screwing hole II 10 through a screwing body II 8, and the loading block 6 is assembled and connected with the tensile rod 2.
And (3) coating adhesive on the unassembled end of the loading block 6, connecting the coating surface of the coating sample substrate 3 with the loading block through the adhesive, and obtaining test conditions after the coating surface of the coating sample substrate 3 is firmly bonded with the loading block. By stretching the sample, the interface bonding strength of the coating and the substrate is the ratio of the force value collected by the force sensor to the surface area of the coating sample.
The tool for detecting the tensile bonding strength of the coating can meet the requirement of detecting the interface bonding condition of the coating and the substrate material, solves the problem that the traditional tensile testing machine cannot detect the interface bonding strength of the coating and the substrate in the surface engineering technology, and effectively quantizes the interface bonding strength of the coating and the substrate. The invention has reasonable structure and convenient use, can meet the detection requirement of the interface bonding strength performance of the coating and the substrate when detecting the interface bonding strength of the coating and the substrate, and effectively solves the problem that the traditional tensile testing machine tool cannot detect the interface bonding strength of the coating and the substrate in the field of surface engineering.
Example 2
As shown in the figure, the device for detecting the tensile bonding strength of the coating comprises a tensile testing machine, a tensile machine assembling jaw 1, a tensile rod 2, a coating sample substrate 3 and a loading block 6, the tension rod 2 is of a flat dumbbell-shaped steel structure, one end of the tension rod is provided with a screw-in body II 8 with threads, the tension machine assembly jaw 1 is a square body with a cavity at the core part, the cavity of the core part is matched with the upper half part of the tension rod 2, the end part of the assembly jaw 1 of the tension machine is provided with a screw-in body I7 with threads, the screw-in body I7 is connected with the force value sensor of the tensile testing machine in a matching way, the coating sample substrate 3 is in a tetrahedral shape, one end of the coating sample substrate is provided with a screw-in hole I9 with threads, the screwing hole I9 is matched with the screwing body II 8, the loading block 6 is in a four-surface shape, one end of the loading block is provided with a screwing hole II 10 with threads, and the screwing hole II 10 is matched with the screwing body II 8. The length of the tension rod 2 is 145 mm, the diameters of the head parts at the two ends are 48 mm, and the middle rod is 18 mm. The diameter of the screw-in body II 8 is 11 mm.
During the test, the coating sample substrate 3 is coated, after the test conditions are met, the screw-in body I7 at the upper end of the tension machine assembly jaw 1 is assembled and connected with the tension machine force value sensor, the core cavity is assembled and connected with the tension rod 2, the coating sample substrate 3 is assembled and connected with the screw-in hole I9 through the screw-in body II 8, and the coating sample substrate 3 is assembled and connected with the tension rod 2.
A screwing body I7 at the upper end of the other tensile machine assembling jaw 1 is assembled and connected with a tensile machine force value sensor, a core cavity is assembled and connected with a tensile rod 2, a loading block 6 is assembled and connected with a screwing hole II 10 through a screwing body II 8, and the loading block 6 is assembled and connected with the tensile rod 2.
And (3) coating adhesive on the unassembled end of the loading block 6, connecting the coating surface of the coating sample substrate 3 with the loading block through the adhesive, and obtaining test conditions after the coating surface of the coating sample substrate 3 is firmly bonded with the loading block. By stretching the sample, the interface bonding strength of the coating and the substrate is the ratio of the force value collected by the force sensor to the surface area of the coating sample.
The tool for detecting the tensile bonding strength of the coating can meet the requirement of detecting the interface bonding condition of the coating and the substrate material, solves the problem that the traditional tensile testing machine cannot detect the interface bonding strength of the coating and the substrate in the surface engineering technology, and effectively quantizes the interface bonding strength of the coating and the substrate. The invention has reasonable structure and convenient use, can meet the detection requirement of the interface bonding strength performance of the coating and the substrate when detecting the interface bonding strength of the coating and the substrate, and effectively solves the problem that the traditional tensile testing machine tool cannot detect the interface bonding strength of the coating and the substrate in the field of surface engineering.
Example 3
As shown in the figure, the device for detecting the tensile bonding strength of the coating comprises a tensile testing machine, a tensile machine assembling jaw 1, a tensile rod 2, a coating sample substrate 3 and a loading block 6, the tension rod 2 is of a flat dumbbell-shaped steel structure, one end of the tension rod is provided with a screw-in body II 8 with threads, the tension machine assembly jaw 1 is a square body with a cavity at the core part, the cavity of the core part is matched with the upper half part of the tension rod 2, the end part of the assembly jaw 1 of the tension machine is provided with a screw-in body I7 with threads, the screw-in body I7 is connected with the force value sensor of the tensile testing machine in a matching way, the coating sample substrate 3 is in a tetrahedral shape, one end of the coating sample substrate is provided with a screw-in hole I9 with threads, the screwing hole I9 is matched with the screwing body II 8, the loading block 6 is in a four-surface shape, one end of the loading block is provided with a screwing hole II 10 with threads, and the screwing hole II 10 is matched with the screwing body II 8. The length of the tension rod 2 is 130 mm, the diameters of the heads at two ends are 40 mm, and the diameter of the middle rod is 18 mm. The diameter of the screw-in body II 8 is 11 mm.
During the test, the coating sample substrate 3 is coated, after the test conditions are met, the screw-in body I7 at the upper end of the tension machine assembly jaw 1 is assembled and connected with the tension machine force value sensor, the core cavity is assembled and connected with the tension rod 2, the coating sample substrate 3 is assembled and connected with the screw-in hole I9 through the screw-in body II 8, and the coating sample substrate 3 is assembled and connected with the tension rod 2.
A screwing body I7 at the upper end of the other tensile machine assembling jaw 1 is assembled and connected with a tensile machine force value sensor, a core cavity is assembled and connected with a tensile rod 2, a loading block 6 is assembled and connected with a screwing hole II 10 through a screwing body II 8, and the loading block 6 is assembled and connected with the tensile rod 2.
And (3) coating adhesive on the unassembled end of the loading block 6, connecting the coating surface of the coating sample substrate 3 with the loading block through the adhesive, and obtaining test conditions after the coating surface of the coating sample substrate 3 is firmly bonded with the loading block. By stretching the sample, the interface bonding strength of the coating and the substrate is the ratio of the force value collected by the force sensor to the surface area of the coating sample.
The tool for detecting the tensile bonding strength of the coating can meet the requirement of detecting the interface bonding condition of the coating and the substrate material, solves the problem that the traditional tensile testing machine cannot detect the interface bonding strength of the coating and the substrate in the surface engineering technology, and effectively quantizes the interface bonding strength of the coating and the substrate. The invention has reasonable structure and convenient use, can meet the detection requirement of the interface bonding strength performance of the coating and the substrate when detecting the interface bonding strength of the coating and the substrate, and effectively solves the problem that the traditional tensile testing machine tool cannot detect the interface bonding strength of the coating and the substrate in the field of surface engineering.
Claims (3)
1. A device for detecting the tensile bonding strength of a coating comprises a tensile testing machine and is characterized by further comprising a tensile machine assembling jaw (1), a tensile rod (2), a coating sample substrate (3) and a loading block (6), wherein the tensile rod (2) is of a flat dumbbell-shaped steel structure, one end of the tensile rod is provided with a screw-in body II (8) with threads, the tensile machine assembling jaw (1) is a tetragonal body with a cavity in the core part, the cavity in the core part is matched with the upper half part of the tensile rod (2), the end part of the tensile machine assembling jaw (1) is provided with a screw-in body I (7) with threads, the screw-in body I (7) is connected with a tensile testing machine force value sensor in a matching manner, the coating sample substrate (3) is of a tetragonal body, one end of the coating sample substrate is provided with a screw-in hole I (9) with threads, the screw-in hole I (9) is matched with, the loading block (6) is in a four-surface shape, one end of the loading block is provided with a screw-in hole II (10) with threads, and the screw-in hole II (10) is matched with the screw-in body II (8).
2. The apparatus for testing the tensile bonding strength of a coating according to claim 1, wherein the length of the tension rod (2) is 100-150 mm, the diameter of the two ends is 30-50 mm, and the diameter of the middle rod is 15-20 mm.
3. The apparatus for testing the tensile bond strength of a coating according to claim 1, wherein said screw body ii (8) has a diameter of 8-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310020.8A CN111024608A (en) | 2019-12-18 | 2019-12-18 | Device for detecting tensile bonding strength of coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310020.8A CN111024608A (en) | 2019-12-18 | 2019-12-18 | Device for detecting tensile bonding strength of coating |
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| Publication Number | Publication Date |
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| CN111024608A true CN111024608A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911310020.8A Pending CN111024608A (en) | 2019-12-18 | 2019-12-18 | Device for detecting tensile bonding strength of coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848118A (en) * | 2021-09-27 | 2021-12-28 | 天津大学 | System and method for testing tensile bonding strength of flexible substrate-coating interface |
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- 2019-12-18 CN CN201911310020.8A patent/CN111024608A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848118A (en) * | 2021-09-27 | 2021-12-28 | 天津大学 | System and method for testing tensile bonding strength of flexible substrate-coating interface |
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