A device and method for simulating marine atmospheric environment abrasion test

Abstract

The application discloses a kind of simulation marine atmospheric environment abrasion test device and test method, including electrochemical workstation test table, salt fog environment controller and test table, the one side of the top of the test table is equipped with support, the top of the support is equipped with polytetrafluoroethylene pipe, one side of the polytetrafluoroethylene pipe is equipped with speed-regulating fan, the other side of the polytetrafluoroethylene pipe is equipped with connector, the electrochemical workstation is equipped on the test table, the reciprocating friction instrument is equipped on the test table;The application can simulate marine atmospheric environment, and carry out the abrasion test of material under the environment;It can control salt fog deposition amount, atmospheric temperature, atmospheric humidity, friction load, friction speed, potential, current and other test parameters;It can monitor environmental humidity, temperature, salt fog deposition amount, friction coefficient, current, potential and other test parameters, to fill in the blank of material abrasion test device under marine atmospheric environment.

Description

Technical Field

[0001] This invention relates to the field of simulated marine atmospheric environment abrasion testing technology, specifically to a simulated marine atmospheric environment abrasion testing device and method. Background Technology

[0002] With the continuous development of marine resources, the ongoing growth of maritime transportation, and the demands of military and national defense, an increasing number of devices are required to operate in marine environments. Some of these devices require exposure to the marine environment, leading to abrasion, wear, and failure. While extensive research and experiments have been conducted on abrasion in seawater environments, and related testing equipment and methods are relatively mature, a significant number of components still experience abrasion in the marine atmospheric environment. Due to the substantial differences between marine atmospheric and seawater environments, the abrasion behavior of materials also changes considerably. However, relevant testing equipment and methods are currently scarce, thus necessitating the development of such testing devices. Summary of the Invention

[0003] The purpose of this invention is to provide a test device and method for simulating marine atmospheric erosion, so as to solve the problem mentioned in the background art that there are currently few related test equipment and methods.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a simulated marine atmospheric environment abrasion test device, comprising an electrochemical workstation test bench, a salt spray environment controller, and a test bench. A support is provided on one side of the top of the test bench, and a polytetrafluoroethylene (PTFE) tube is provided on the top of the support. A speed-regulating fan is provided on one side of the PTFE tube, and a connector is provided on the other side of the PTFE tube. An electrochemical workstation is provided on the test bench, and a reciprocating friction instrument is provided on the test bench. A friction sensor is provided on the other side of the top of the test bench, and an electrolytic cell mounting platform is provided on the top of the friction sensor. An electrolytic cell is provided on the top of the electrolytic cell mounting platform, and a silicone cover is placed over the top of the electrolytic cell.

[0005] A liquid reservoir is installed on one side of the top end of the test bench via a fixing frame. A dropper is provided at the bottom of the liquid reservoir, an atomizing plate is provided at the bottom of the dropper, and a flow meter is provided on one side of the dropper.

[0006] A flow monitor is provided on the left side of the electrolytic cell, a temperature and humidity sensor is provided at one end of the top of the silicone cover, and multiple sets of PTC heating rings are provided inside the polytetrafluoroethylene tube near the joint.

[0007] The electrochemical workstation includes a reference electrode, a platinum electrode, and a sample. The reference electrode and the platinum electrode are located at small holes in a silicone cover. The sample is located inside the electrolytic cell and is sealed to the electrolytic cell by the silicone cover.

[0008] The reciprocating friction instrument includes a friction sensor and a slide rail. A loading device is installed on one side of both ends of the top of the test bench. The slide rail is located inside the loading device. The electrolytic cell fixing platform is fixed on the slide rail. The reciprocating motion of the electrolytic cell fixing platform on the slide rail is controlled by the friction instrument parameter controller. The loading device is connected to the grinding head through a screw. The friction instrument parameter controller is installed on one side of the front end of the test bench.

[0009] Preferably, a water seal structure is used between the silicone cover and the electrolytic cell.

[0010] Preferably, the dripper has an inverted frustum-shaped structure, and the atomizing plate is located directly below the dripper.

[0011] Preferably, a slot is provided on one side of the inside of the polytetrafluoroethylene tube, and the inside of the slot engages with the speed-regulating fan. The polytetrafluoroethylene tube is connected to the silicone cover through a connector.

[0012] Preferably, the top of the bracket is provided with an arc-shaped locking groove, and the arc-shaped locking groove engages with the polytetrafluoroethylene tube.

[0013] Preferably, the electrolytic cell fixing platform has a U-shaped structure, and the electrolytic cell fixing platform is compatible with the electrolytic cell.

[0014] Preferably, the salt spray environment controller is electrically connected to the temperature and humidity sensor, flow monitor, atomizing plate, PTC heating ring and speed-regulating fan respectively via wires.

[0015] A test method for a simulated marine atmospheric environment abrasion test device is as follows:

[0016] First, the vibration frequency of the atomizing plate, the speed of the speed-regulating fan, and the flow rate are adjusted by the salt spray environment controller to control the dripping rate of the dripper, and the PTC heating ring is adjusted to control the mist temperature.

[0017] The required load for the test is changed by adjusting the loading device, and the test is then started.

[0018] After the experiment, the device was disassembled, the sample was taken out to check the abrasion, and the wear of the material was detected by a white light interferometer.

[0019] Compared with the prior art, the beneficial effects of the present invention are: the simulated marine atmospheric environment abrasion test device can simulate the marine atmospheric environment and carry out abrasion tests on materials under such environment; it can control test parameters such as salt spray deposition, atmospheric temperature, atmospheric humidity, friction load, friction speed, potential, and current; it can monitor test parameters such as ambient humidity, temperature, salt spray deposition, friction coefficient, current, and potential, thereby filling the gap in material abrasion test devices under marine atmospheric environment. Attached Figure Description

[0020] Figure 1 This is a three-dimensional view of the structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of the test bench of the present invention;

[0023] Figure 4 This is a cross-sectional view of the electrolytic cell mounting platform of the present invention;

[0024] Figure 5 This is a schematic diagram of the polytetrafluoroethylene tube structure of the present invention.

[0025] In the diagram: 1. Silicone cover; 2. Electrolytic cell; 3. Grinding head; 4. Reference electrode; 5. Platinum electrode; 6. Temperature and humidity sensor; 7. Flow monitor; 8. Sample; 9. Electrochemical workstation test bench; 10. Connector; 11. Polytetrafluoroethylene tube; 12. PTC heating ring; 13. Liquid reservoir; 14. Atomizing plate; 15. Flow meter; 16. Support; 17. Dropper; 18. Variable speed fan; 19. Salt spray environment controller; 20. Loading device; 21. Friction sensor; 22. Slide rail; 23. Electrolytic cell mounting platform; 24. Friction meter parameter controller; 25. Test bench. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figure 1-5This invention provides a technical solution: a simulated marine atmospheric environment abrasion test device, including an electrochemical workstation test bench 9, a salt spray environment controller 19, and a test bench 25. A support 16 is provided on one side of the top of the test bench 25 to support a polytetrafluoroethylene (PTFE) tube 11. The top of the support 16 is also equipped with the PTFE tube 11 for storing the atomized mist. A speed-regulating fan 18 is provided on one side of the PTFE tube 11 for mist transmission. A connector 10 is provided on the other side of the PTFE tube 11 for connecting the salt spray environment control module and the environmental chamber composed of a silicone cover 1 and an electrolytic cell 2. An electrochemical workstation and a reciprocating friction instrument are provided on the test bench 25. A friction sensor 21 is provided on the other side of the top of the test bench 25, and an electrolytic cell fixing platform 23 is provided on the top of the friction sensor 21. An electrolytic cell 2 is provided on the top of the electrolytic cell fixing platform 23, and a silicone cover 1 is placed over the top of the electrolytic cell 2 to isolate it from the atmospheric environment. The electrolytic cell 2 is used to fix the sample and receive the solution.

[0028] A liquid reservoir 13 is installed on one side of the top end of the test bench 25 via a fixing frame for storing the solution required for the test. A dropper 17 is provided at the bottom of the liquid reservoir 13 for dripping the test solution. An atomizing plate 14 is provided at the bottom of the dropper 17 for atomizing the droplets. A flow meter 15 is provided on one side of the dropper 17 for regulating the solution dripping rate.

[0029] A flow monitor 7 is provided on the left side of the electrolytic cell 2 to monitor the amount of salt spray deposition. A temperature and humidity sensor 6 is provided at one end of the top of the silicone cover 1 to monitor the temperature and humidity inside the environmental chamber. Multiple PTC heating rings 12 are provided inside the polytetrafluoroethylene tube 11 near the connector 10 to control the salt spray temperature.

[0030] The electrochemical workstation includes a reference electrode 4, a platinum electrode 5, and a sample 8. The reference electrode 4 and the platinum electrode 5 are located at small holes opened on the silicone cover 1, and the sample 8 is located inside the electrolytic cell 2 and is sealed to the electrolytic cell 2 by the silicone cover 1.

[0031] The reciprocating friction tester includes a friction sensor 21 and a slide rail 22. The reciprocating friction tester is used to detect friction force. A loading device 20 is installed on one side of both ends of the test bench 25. The slide rail 22 is located inside the loading device 20. The electrolytic cell fixing platform 23 is fixed on the slide rail 22. The reciprocating motion of the electrolytic cell fixing platform 23 on the slide rail 22 is controlled by the friction tester parameter controller 24. The loading device 20 is connected to the grinding head 3 through a screw on it. The friction tester parameter controller 24 is installed on one side of the front end of the test bench 25. It is used to adjust the friction frequency, stroke and load of the reciprocating friction test.

[0032] In a preferred embodiment, a water seal structure is used between the silicone cover 1 and the electrolytic cell 2.

[0033] In a preferred embodiment, the dripper 17 has an inverted frustum shape, and the atomizing plate 14 is located directly below the dripper 17.

[0034] In a preferred embodiment, a slot is provided on one side of the interior of the polytetrafluoroethylene tube 11, and the interior of the slot engages with the speed-regulating fan 18. The polytetrafluoroethylene tube 11 is connected to the silicone cover 1 through the connector 10.

[0035] In a preferred embodiment, the top of the bracket 16 is provided with an arc-shaped engaging groove, which engages with the polytetrafluoroethylene tube 11.

[0036] In a preferred embodiment, the salt spray environment controller 19 is electrically connected to the temperature and humidity sensor 6, the flow monitor 7, the atomizing plate 14, the PTC heating ring 12, and the speed-regulating fan 18 via wires.

[0037] Depend on Figure 1 , 2 As shown in section 3, the electrolytic cell 2 is placed on the electrolytic cell fixing platform 23, the sample 8 is placed in the groove of the electrolytic cell 2, the silicone cover 1 is placed on the electrolytic cell 2, and the reference electrode 4 and platinum electrode 5 are inserted into the small hole of the silicone cover 1; the reference electrode 4, platinum electrode 5 and sample 8 are connected to the electrochemical workstation.

[0038] Depend on Figure 1 , 2 As can be seen from points 3 and 4, an atomizing plate 14 is placed in the pores of the polytetrafluoroethylene tube 11, a speed-regulating fan 18 is placed on the left side, a PTC heating ring 12 is placed inside, and a connector 10 is inserted into the opening on the right side of the polytetrafluoroethylene tube 11, thus securing the polytetrafluoroethylene tube 11 to the bracket 16; the PTC heating ring 12, the atomizing plate 14, the flow meter 15, and the speed-regulating fan 18 are all connected to the salt spray environment controller 19;

[0039] Depend on Figure 1 , 2 As shown in section 3, the grinding head 3 on the test bench 25 is connected to the loading device 20 via a screw. The distance between the grinding head 3 and the sample 8 is adjusted by moving the loading device 20 up and down. The loading device 20 adjusts the load through the friction meter parameter controller 24. The friction sensor 21 detects the friction force. The slide rail 22 facilitates the reciprocating motion of the electrolytic cell. The bracket 16 is placed on the test bench 25. The connector 10 connects the electrolytic cell and the ultrasonic atomizing device through a small hole on the silicone cover 1. The atomizing plate 14 of the ultrasonic atomizing device must be directly below the dropper 17 of the dripping device. The grinding head 3 is connected to the loading device 20 through the silicone cover 1.

[0040] An experimental apparatus for simulating material abrasion under marine atmospheric conditions, and an experimental method thereof:

[0041] The vibration frequency of the atomizing plate 14, the speed of the speed regulating fan 18, and the flow rate device 15 are adjusted by the salt spray environment controller 19 to control the dripping rate of the dripper 17, and the PTC heating ring is adjusted to control the mist temperature.

[0042] The test load is changed by adjusting the loading device 20, and the test is started.

[0043] After the experiment, the device was disassembled, the sample was taken out to check the abrasion, and the wear of the material was checked using a white light interferometer.

[0044] The variable parameters of this invention are: erosion time, friction frequency, erosion stroke, and load. These two parameters can be adjusted by the friction meter parameter controller 24.

[0045] Salt spray deposition amount: regulated by salt spray environment controller 19;

[0046] Medium: By changing the medium in the reservoir 13, erosion tests can be conducted under different media.

[0047] This invention provides a test device for simulating the abrasion of materials in a marine atmospheric environment. It enables long-term testing of 316L austenitic stainless steel under closed conditions with a load of 10N, a friction frequency of 1Hz, and a medium of 3.5wt% NaCl solution.

[0048] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, and is not intended to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions made by those skilled in the art to the technical solution of the present invention do not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A simulated marine atmospheric environment abrasion test device, comprising an electrochemical workstation test bench (9), a salt spray environment controller (19), and a test bench (25), characterized in that: The test bench (25) has a support (16) on one side of its top, a polytetrafluoroethylene tube (11) on the top of the support (16), a speed-regulating fan (18) on one side of the polytetrafluoroethylene tube (11), and a connector (10) on the other side of the polytetrafluoroethylene tube (11). The test bench (25) is equipped with an electrochemical workstation and a reciprocating friction instrument. The test bench (25) has a friction sensor (21) on the other side of its top, and an electrolytic cell fixing platform (23) on the top of the friction sensor (21). An electrolytic cell (2) is located on the top of the electrolytic cell fixing platform (23), and an electrolytic cell (2) is located on the top of the electrolytic cell (2). The top of the electrolytic cell (2) is covered with a silicone cover (1). A liquid reservoir (13) is installed on one side of the top end of the test bench (25) via a fixing frame. A dropper (17) is provided at the bottom of the liquid reservoir (13). An atomizing plate (14) is provided at the bottom of the dropper (17). A flow meter (15) is provided on one side of the dropper (17). A flow monitor (7) is provided on the left side of the electrolytic cell (2), a temperature and humidity sensor (6) is provided at one end of the top of the silicone cover (1), and multiple sets of PTC heating rings (12) are provided inside the polytetrafluoroethylene tube (11) on the side near the connector (10). The electrochemical workstation includes a reference electrode (4), a platinum electrode (5), and a sample (8). The reference electrode (4) and the platinum electrode (5) are located at small holes opened on the silicone cover (1), and the sample (8) is located inside the electrolytic cell (2) and is sealed to the electrolytic cell (2) by the silicone cover (1). The reciprocating friction instrument includes a friction sensor (21) and a slide rail (22). A loading device (20) is installed on one side of both ends of the top of the test bench (25). The slide rail (22) is located inside the loading device (20). The electrolytic cell fixing platform (23) is installed on the slide rail (22). The loading device (20) is connected to the grinding head (3) through a screw on it. A friction instrument parameter controller (24) is installed on one side of the front end of the test bench (25).

2. The simulated marine atmospheric environment abrasion test device according to claim 1, characterized in that: A water seal structure is used between the silicone cover (1) and the electrolytic cell (2).

3. The simulated marine atmospheric environment abrasion test device according to claim 1, characterized in that: The dripper (17) has an inverted frustum structure, and the atomizing plate (14) is located directly below the dripper (17).

4. The simulated marine atmospheric environment abrasion test device according to claim 1, characterized in that: The polytetrafluoroethylene tube (11) has a slot on one side inside, and the inside of the slot engages with the speed-regulating fan (18). The polytetrafluoroethylene tube (11) is connected to the silicone cover (1) through the connector (10).

5. The simulated marine atmospheric environment abrasion test device according to claim 1, characterized in that: The top of the bracket (16) is provided with an arc-shaped locking groove, and the arc-shaped locking groove engages with the polytetrafluoroethylene tube (11).

6. The simulated marine atmospheric environment abrasion test device according to claim 1, characterized in that: The electrolytic cell mounting platform (23) has a U-shaped structure, and the electrolytic cell mounting platform (23) is compatible with the electrolytic cell (2).

7. The simulated marine atmospheric environment abrasion test device according to claim 1, characterized in that: The salt spray environment controller (19) is electrically connected to the temperature and humidity sensor (6), the flow monitor (7), the atomizing plate (14), the PTC heating ring (12), and the speed-regulating fan (18) via wires.

8. A test method for a simulated marine atmospheric environment abrasion test apparatus, comprising the simulated marine atmospheric environment abrasion test apparatus as described in any one of claims 1-7, wherein the test method is as follows: First, the vibration frequency of the atomizing plate (14), the speed of the speed regulating fan (18), and the flow rate device (15) are adjusted by the salt spray environment controller (19) to control the dripping rate of the dripper (17), and the PTC heating ring (12) is adjusted to control the mist temperature. The load required for the test is changed by adjusting the loading device (20), and the test is started; After the experiment, the device was disassembled, the sample was taken out to check the abrasion, and the wear of the material was detected by a white light interferometer.

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