CN216051301U - Stress corrosion testing device suitable for multi-shape sample - Google Patents
Stress corrosion testing device suitable for multi-shape sample Download PDFInfo
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- CN216051301U CN216051301U CN202121416605.0U CN202121416605U CN216051301U CN 216051301 U CN216051301 U CN 216051301U CN 202121416605 U CN202121416605 U CN 202121416605U CN 216051301 U CN216051301 U CN 216051301U
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- 238000005260 corrosion Methods 0.000 title claims abstract description 60
- 230000000875 corresponding Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000149 penetrating Effects 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 230000002093 peripheral Effects 0.000 claims description 3
- 231100000078 corrosive Toxicity 0.000 claims description 2
- 231100001010 corrosive Toxicity 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 238000005530 etching Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a stress corrosion testing device suitable for multi-shape samples, and aims to solve the technical problem that the existing device cannot be suitable for samples with different shapes and sizes. The device comprises an upper end clamp, a lower end clamp and a corrosion container positioned between the upper end clamp and the lower end clamp and used for containing a corrosion solution; the corrosion container is a cavity with an open top, a through hole matched with the shape of a sample piece to be detected is formed in the bottom of the corrosion container, when the corrosion container is used, a sample to be detected penetrates through the corrosion container, the upper end of the sample to be detected is fixed on the upper end clamp, and the lower end of the sample to be detected penetrates through the through hole and then is fixed on the lower end clamp. The device has simple structure and easy operation, and can effectively adapt to samples with different shapes by changing the shape and the size of the through hole at the bonding part of the bottom of the cavity of the corrosion container and the sample, thereby greatly improving the working efficiency.
Description
Technical Field
The utility model relates to the technical field of stress corrosion detection, in particular to a stress corrosion testing device suitable for a multi-shape sample.
Background
Stress corrosion refers to the breakdown of a metal in a corrosive medium under the action of tensile stress. Stress corrosion is usually expressed as transgranular corrosion, and is a material failure process generated by the combined action of strain and corrosion caused by residual or applied stress, and has a great influence on the service life of the material.
With the progress and development of science and technology, the requirements for the safety and various properties of materials are continuously increased, and particularly for the metal materials which are commonly used as structural members, higher requirements are made on the corrosion resistance of the metal materials. Therefore, an accurate and effective method for testing and evaluating the stress corrosion resistance of metal is needed.
The existing device for measuring stress corrosion usually processes a sample into a shape matched with a mould, and then performs a stress corrosion test. The existing method for measuring the stress corrosion is extremely inconvenient, time-consuming and labor-consuming for testing samples with different appearances, and wastes materials to a certain extent.
Disclosure of Invention
The utility model aims to provide a stress corrosion testing device suitable for multi-shape samples, and aims to solve the technical problem that the existing device cannot be suitable for samples with different shapes and sizes.
In order to solve the technical problems, the utility model adopts the following technical scheme:
designing a stress corrosion testing device suitable for multi-morphology samples, which mainly comprises an upper end clamp, a lower end clamp and a corrosion container positioned between the upper end clamp and the lower end clamp and used for containing a corrosion solution; the corrosion container is a cavity with an open top, a through hole matched with the shape of a sample piece to be detected is formed in the bottom of the corrosion container, when the corrosion container is used, a sample to be detected penetrates through the corrosion container, the upper end of the sample to be detected is fixed on the upper end clamp, and the lower end of the sample to be detected penetrates through the through hole and then is fixed on the lower end clamp.
And a heating body is arranged on the outer wall of the corrosion container and is controlled by a corresponding temperature control mechanism so as to realize the adjustment of the heating temperature.
The through hole is round, square or oval.
And a sealing gasket or a sealing ring is arranged at the peripheral part of the through hole and used for sealing the contact part of the through hole and the sample to be detected.
And the outer connecting ends of the upper end clamp and the lower end clamp are connecting bolts for butting corresponding load applying equipment.
The upper end clamp and the lower end clamp are connected and fixed with two ends of a sample to be detected through corresponding fixing bolts.
The upper end clamp, the lower end clamp and the fixing bolt are made of corrosion-resistant alloy materials so as to avoid corrosion in the corrosion process from affecting a test result.
Compared with the prior art, the utility model has the main beneficial technical effects that:
the device has simple structure and easy operation, and can adapt to samples in different shapes by changing the shape and the size of the through hole at the bonding part of the bottom of the cavity of the corrosion container and the sample; the change of through-hole shape and size is cut out through the scissors and can be realized, compares with processing into different specifications with the sample, and easy operation easily realizes, can effectively save time and energy to improve work efficiency greatly.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of the bottom of the etching container of the present invention with a circular through-hole.
FIG. 3 is a schematic view of a bottom through-hole of the etching container of the present invention having a square shape.
FIG. 4 is a schematic view of the corrosion vessel of the present invention with an oval bottom through-hole.
In the above drawings, 1 is a connecting bolt, 2 is an upper end clamp, 3 is a fixing bolt, 4 is a corrosion container, 41 is a through hole, 42 is an open hole, 5 is a sample to be measured, and 6 is a lower end clamp.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.
In the description of the present invention, it is to be understood that the orientations or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings only for the convenience of describing technical solutions and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Reference herein to "first," "second," etc., is used to distinguish between similar items and not to limit the particular order or sequence.
The unit modules and sensors in the following examples are all conventional commercial products unless otherwise specified.
Example 1: a stress corrosion testing device suitable for multi-morphology samples is disclosed, and referring to fig. 1 to fig. 4, the device mainly comprises an upper end clamp 2, a lower end clamp 6, and a corrosion container 4 which is positioned between the upper end clamp and the lower end clamp and is used for containing a corrosion solution; the outer connecting ends of the upper end clamp 2 and the lower end clamp 6 are connecting bolts 1 for butting corresponding load applying equipment; the etching container 4 is a cavity with an open top 42, and the bottom thereof is provided with a through hole 41 matching the shape of the sample to be tested 5, the through hole can be designed into a corresponding shape according to the shape of the sample to be tested so as to ensure matching with the sample to be tested, as shown in fig. 2, 3 and 4, three examples of notch shapes are provided. And a sealing ring is arranged at the peripheral part of the through hole 41 and used for sealing the contact part of the through hole and the sample to be detected.
When the device is used, a sample to be detected is arranged in the corrosion container 4 in a penetrating way, the upper end of the sample to be detected is fixed on the upper end clamp 1 through the fixing bolt 3, and the lower end of the sample to be detected is fixed on the lower end clamp 6 after penetrating through the penetrating port 41.
And a heating body is arranged on the outer wall of the corrosion container 4 and is controlled by a corresponding temperature control mechanism so as to realize the adjustment of the heating temperature.
The upper end clamp 2, the lower end clamp 6 and the fixing bolt 3 are made of corrosion-resistant alloy materials.
The operation and use method of the stress corrosion testing device suitable for the multi-morphology sample is as follows:
the upper part of the connecting bolt 1 is connected with corresponding load applying equipment, and the bottom penetrating port 41 of the corrosion container 4 is designed into a corresponding size according to the shape of the sample to be sleeved outside the sample 5 to be tested and sealed by a sealing ring. The upper end and the lower end of the sample piece 5 to be measured are respectively clamped on the upper end clamp 2 and the lower end clamp 6, and the sample piece 5 to be measured is fixed by the fixing bolt 3. After the sample piece 5 to be tested and the corrosion container 4 are fixed, the required corrosion solution is poured into the corrosion container 4, and then the machine can be started for testing.
While the utility model has been described in detail with reference to the drawings and the embodiment 1, it will be understood by those skilled in the art that various changes in the specific parameters of the embodiments and/or equivalent substitutions of parts, structures and materials may be made without departing from the technical spirit of the utility model, and therefore, it is intended that all of the embodiments should be considered as common variations of the utility model.
Claims (7)
1. The utility model provides a stress corrosion testing arrangement suitable for polymorphic form sample, includes upper end anchor clamps, lower extreme anchor clamps and is located the corrosion vessel that is used for holding corrosive solution between the two, its characterized in that: the corrosion container is a cavity with an open top, a through hole matched with the shape of a sample piece to be detected is formed in the bottom of the corrosion container, the sample piece to be detected is arranged in the corrosion container in a penetrating mode during use, the upper end of the sample piece to be detected is fixed on the upper end clamp, and the lower end of the sample piece to be detected is fixed on the lower end clamp after penetrating through the through hole.
2. The stress corrosion testing device suitable for the multi-shape sample according to claim 1, wherein: and a heating body is arranged on the outer wall of the corrosion container and is controlled by a corresponding temperature control mechanism so as to realize the adjustment of the heating temperature.
3. The stress corrosion testing device suitable for the multi-shape sample according to claim 1, wherein: the through hole is round, square or oval.
4. The stress corrosion testing device suitable for the multi-shape sample according to claim 1, wherein: and a sealing gasket or a sealing ring is arranged at the peripheral part of the through hole and used for sealing the contact part of the through hole and the sample to be detected.
5. The stress corrosion testing device suitable for the multi-shape sample according to claim 1, wherein: and the outer connecting ends of the upper end clamp and the lower end clamp are connecting bolts for butting corresponding load applying equipment.
6. The stress corrosion testing device suitable for the multi-shape sample according to claim 1, wherein: the upper end clamp and the lower end clamp are connected and fixed with two ends of a sample to be detected through corresponding fixing bolts.
7. The stress corrosion testing device suitable for the multi-shape sample according to claim 6, wherein: the upper end clamp, the lower end clamp and the fixing bolt are made of corrosion-resistant alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121416605.0U CN216051301U (en) | 2021-06-24 | 2021-06-24 | Stress corrosion testing device suitable for multi-shape sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121416605.0U CN216051301U (en) | 2021-06-24 | 2021-06-24 | Stress corrosion testing device suitable for multi-shape sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216051301U true CN216051301U (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121416605.0U Active CN216051301U (en) | 2021-06-24 | 2021-06-24 | Stress corrosion testing device suitable for multi-shape sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216051301U (en) |
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2021
- 2021-06-24 CN CN202121416605.0U patent/CN216051301U/en active Active
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