CN219810818U - 5XXX aluminum alloy peeling corrosion test device - Google Patents

Abstract

The utility model discloses a 5XXX aluminum alloy peeling corrosion test device which comprises a box body, wherein a box cover is arranged at the top of the box body in an open mode and covered by the box cover, supporting parts which are arranged oppositely are respectively arranged at different heights on the inner walls of the two sides of the box body, sample hanging rods are transversely arranged in the box body and are placed on the supporting parts of the same height on the inner walls of the two sides of the box body, and a plurality of hooks for hanging aluminum alloy samples are axially and alternately distributed on the sample hanging rods. The utility model can realize the vertical suspension of the test sample, the distance between the hooks can be adjusted and increased or decreased, and the utility model is applicable to the peeling corrosion test of 5XXX aluminum alloys with different thickness and number, and has high applicability; the test can simultaneously meet the peeling corrosion test of a plurality of 5XXX aluminum alloy samples at one time, is suitable for mass test and has high test efficiency.

Description

5XXX aluminum alloy peeling corrosion test device

Technical Field

The utility model relates to the technical field of aluminum alloy detection, in particular to a 5XXX aluminum alloy peeling corrosion test device.

Background

The spalling corrosion test is a test method for evaluating the spalling corrosion resistance of an aluminum alloy. The test methods adopted by different alloy series are different, wherein the test method adopted by the 5XXX aluminum alloy mainly comprises a national standard GB/T22639-2022 peeling corrosion test method of aluminum alloy products and a American society for testing and materials standard ASTM G66-99 (2018) [ 5XXX aluminum alloy peeling corrosion sensitivity visual evaluation Standard test method (ASSET test) ] which are used for providing that the sizes of the test specimens are not smaller than 100mm by 50 mm (length by width) and 100mm by 40 mm (length by width), the test specimens are vertically suspended and soaked in the test solution during the test, the distance between the upper end and the lower end of the test specimens and the bottom of the test solution container is not smaller than 25 mm, and the ratio of the volume of the test solution to the surface area of the test specimens is not smaller than 10 mL/cm ² The samples cannot be contacted with each other, the container containing the samples and the test solution is placed in a constant temperature device at 65 ℃ for constant temperature 24 to h, and the material requirements of the container are inert materials such as glass, plastic and the like, but the shape, specification and model of the container are not clearly required, so that each laboratory is required to find a proper container according to the self situation.

For the peeling corrosion test of aluminum alloy, the existing container which is widely used is a beaker, a glass beaker, a plastic beaker and the like are directly used as test containers, and a sample is vertically hung and soaked in the container containing the test solution. However, the glass beaker and the plastic beaker are directly used as test containers, because the volume and the opening of the beaker are small, only one or two samples can be placed at a time to avoid mutual contact between the samples, the test efficiency is low, and the beaker which accords with the use is relatively high for the 5XXX aluminum alloy, the whole beaker is difficult to be completely placed into a constant temperature device, the heat preservation effect is relatively poor, the temperature difference between the test solution and the set temperature is relatively large, the test result is affected, the completely suitable beaker is difficult to find, and the applicability is relatively poor.

There are also aluminum alloy exfoliation corrosion test apparatuses which are realized by means of self-made test apparatuses, for example, an aluminum alloy exfoliation corrosion test apparatus disclosed in the patent of the utility model, "an aluminum alloy exfoliation corrosion test apparatus" (CN 216386724U), which is provided with a specimen holder, but has no specimen hanging parts, and thus is mainly suitable for 2XXX, 6XXX and 7XXX aluminum alloy exfoliation corrosion tests in which specimen placement is horizontally placed, and is not suitable for 5XXX aluminum alloy exfoliation corrosion tests in which specimen placement is vertically hung.

In summary, there is still a lack of a device suitable for 5XXX aluminum alloy spalling corrosion test, which has good applicability and high efficiency.

Disclosure of Invention

Aiming at the defects, the utility model provides a 5XXX aluminum alloy peeling corrosion test device, which can solve the problems of poor applicability and low efficiency of the existing device for the 5XXX aluminum alloy peeling corrosion test.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a 5XXX aluminum alloy peels off corrosion test device, includes the box, the open setting in box top is covered and is equipped with the case lid, the both sides inner wall of box is in the supporting part that is equipped with relative setting respectively in different height, transversely be provided with the sample in the box and hang the pole, the sample is hung the pole and is taken and put on the supporting part of the same height of both sides inner wall of box, a plurality of couples that are used for hanging aluminum alloy sample along axial interval distribution on the sample is hung the pole.

Further, scale marks are arranged on the side wall of the box body in a vertical mode.

Further, the side wall of the box body is arranged in a transparent mode, or an observation window is arranged on the side wall of the box body.

Further, a sleeve is arranged between the hooks, and the sleeve is sleeved on the sample hanging rod and can move along the axial direction of the sample hanging rod.

Further, the hook faces the axial direction of the specimen suspension lever.

Further, the top of couple is the portion of leaning on, the portion of leaning on has the downwardly opening accommodation groove, the accommodation groove with sample hangs pole assorted, just the portion of leaning on has certain width.

Further, the supporting part is provided with an upward placing groove, the placing groove is a square groove, and the end part of the sample hanging rod is matched with the placing groove in shape and placed in the placing groove in a matched mode.

Further, the end dimension of the specimen suspension lever is smaller than the intermediate dimension.

Further, a liquid outlet is arranged at the bottom of the box body, and a liquid outlet switch is arranged at the liquid outlet.

Further, lifting lugs are arranged on the outer walls of the two sides of the upper part of the box body.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can realize the vertical suspension of the test sample, the distance between the hooks can be adjusted and increased or decreased, and the utility model is applicable to the peeling corrosion test of 5XXX aluminum alloys with different thickness and number, and has high applicability;

2. the peeling corrosion test of a plurality of 5XXX aluminum alloy samples can be simultaneously satisfied at one time, the test is suitable for mass test, and the test efficiency is high;

3. checking the distances between the bottom of the sample and the bottom of the device and between the top of the sample and the top of the test solution through the scale marks on the front surface of the device, so as to conveniently verify whether the sample placement meets the standard requirement;

4. the sleeve can effectively avoid or reduce the influence on the test result caused by mutual contact of the samples;

5. the utility model has simple structure, light weight, convenient transfer operation, low cost and simple operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with the cover removed;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is a schematic structural view of the hanger of the present utility model.

Wherein the symbols shown in the figures are: 10-a box body; 11-a case cover; 12-a support; 13-scale marks; 14-a liquid outlet; 15-a liquid outlet switch; 16-lifting lugs; 17-placing grooves; 20-sample hanging bar; 21-a sleeve; 30-hooking; 31-a hanging part; 32-accommodating grooves.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 4, the present utility model provides a 5XXX aluminum alloy peeling corrosion test apparatus, which comprises a box 10, wherein the box 10 is a container with a cuboid structure, a box cover 11 is arranged at the top of the box 10 in an open manner, so that test solution can be conveniently placed in the box, samples can be conveniently loaded and unloaded, the box cover 11 is opened when the test solution is placed in the box, the samples can be loaded and unloaded, and the box cover 11 is covered after the test solution is completely loaded and unloaded. The bottom of the box 10 is provided with the leakage fluid dram 14, and leakage fluid dram 14 department is provided with leakage fluid dram switch 15, can discharge test solution through leakage fluid dram 14 after the test is ended through setting up leakage fluid dram 14, and leakage fluid dram switch 15 can temporarily shutoff leakage fluid dram 14 to avoid test solution to flow out in order to keep having sufficient test solution in the box 10 when the test, and when needing the flowing back, open leakage fluid dram switch 15 then can discharge test solution. In the preferred embodiment, there may be multiple liquid discharge ports 14, such as two liquid discharge ports 14 in the preferred embodiment, which may increase the liquid discharge efficiency. In the preferred embodiment, the drain port 14 is a straight pipe communicating with the inside of the tank 10, and the drain port switch 15 is a valve.

Lifting lugs 16 are arranged on the outer walls of the two sides of the upper part of the box body 10 so as to facilitate the movement of the box body 10, and of course, the whole 5XXX aluminum alloy peeling corrosion test device can be moved conveniently.

The side wall of the case 10 is arranged in a transparent or semitransparent manner, or an observation window is arranged on the side wall of the case 10 so as to observe the internal condition of the case 10. In the preferred embodiment, the side wall of the case 10 is transparent, and the case 10 is made of glass or plastic as a whole, so that the observation of the sample and the position of the test solution is facilitated.

The side wall of the box body 10 is provided with a scale mark 13 which is vertically arranged, so that the distance between the sample and the bottom of the box body 10 and the distance between the top of the sample and the liquid level of the test solution can be intuitively observed through the scale mark 13, and whether the two distance parameters meet the test standard requirements can be judged.

The inner walls of the two sides of the box body 10 are respectively provided with supporting parts 12 which are arranged oppositely at different heights, the box body 10 is internally and transversely provided with a sample hanging rod 20, the sample hanging rod 20 is placed on the supporting parts 12 with the same height of the inner walls of the two sides of the box body 10, a plurality of hooks 30 for hanging aluminum alloy samples are axially and alternately distributed on the sample hanging rod 20, and when the aluminum alloy sample hanging device is implemented, the aluminum alloy samples are hung on the hooks 30, so that the aluminum alloy samples are hung on the sample hanging rod 20, namely, are positioned in the box body 10.

The specimen suspension lever 20 is smoothly placed in the case 10 by the support portion 12. Through setting up the supporting part 12 of different height distributions to when sample hanging rod 20 is put up in the supporting part 12 of different height distributions, the height of adjustable sample hanging rod 20 in box 10, with this height of adjustable couple 30, and then adjust the height of the aluminum alloy sample of hanging on couple 30, hang the sample on different heights according to specific test demand, increase device suitability. As in one particular exemplary embodiment, when the specimen hanging bar 20 is positioned on the lowermost support 12, the bottom of the hanger 30 is adjustable at least 125 mm from the bottom of the container to ensure that the test criteria are met when a specimen having a length of 100mm is hung vertically on the hanger 30 while the specimen hanging bar 20 is resting on the lowermost support 12 for at least 25 mm from the bottom of the container. The height position of the sample hanging rod 20 is adjustable, so that samples meeting various specifications (lengths) can be used, and the applicability is good.

The hooks 30 may be provided in plural numbers so as to vertically suspend a plurality of samples in the test solution, that is, a plurality of samples may be tested simultaneously in the same batch of test, so as to improve the test efficiency. The plurality of hooks 30 are spaced apart to minimize or prevent the specimens from contacting each other during testing to affect the test results. In practice, the hooks 30 are hung on the sample hanging rod 20, and a corresponding number of hooks 30 can be selected according to specific use requirements.

In a preferred embodiment, a sleeve 21 is disposed between the hooks 30, and the sleeve 21 is disposed over the sample suspension rod 20 and is axially movable along the sample suspension rod 20. It will be appreciated that although the sleeve 21 may be axially movable along the sample suspension rod 20, in order to minimize any optional movement, there should be some friction between the sleeve 21 and the sample suspension rod 20 to allow movement of the sleeve 21 when the user moves. In the preferred embodiment, the sleeve 21 is made of an inert material that does not react with the test solution, and is illustratively made of a rubber that does not react with the test solution, the sleeve 21 being made of a rubber that has a certain flexibility, both to be able to move axially along the sample suspension rod 20 and to have a certain friction to avoid random movements. The sleeve 21 is provided to separate two adjacent hooks 30 to separate two adjacent samples to avoid contact and collision of the two adjacent samples during testing. The hooks 30 can also move left and right between the two sleeves 21, and the sleeves 21 with adjustable positions are combined to adjust the distance between the hooks 30 so as to adapt to samples with different thicknesses.

The supporting part 12 is provided with an upward placing groove 17, the placing groove 17 is a square groove, and the end part of the sample hanging rod 20 is matched with the placing groove 17 in shape and placed in the placing groove 17 in a matched mode. By providing the square groove-shaped placement groove 17 and matching the end shape of the sample hanging bar 20 with the placement groove 17, the sample hanging bar 20 cannot rotate when the sample hanging bar 20 is placed on the placement groove 17 of the support portion 12, so that the sample hanging bar 20 can be kept more stable, and the samples can be prevented from being shaken to contact and collide with each other when the test device is moved as much as possible. The end dimension of the sample suspension rod 20 is smaller than the intermediate dimension so that the sleeve 21 can be removed from the sample suspension rod 20 or attached to the sample suspension rod 20 to adjust the number, position, etc. of the sleeve 21.

The top of couple 30 is the portion of leaning on 31, the portion of leaning on 31 has the downwardly opening accommodation groove 32, the tank bottom of accommodation groove 32 is half slot structure, accommodation groove 32 and sample hanging rod 20 assorted, and the portion of leaning on 31 has certain width, couple 30 can be taken off from sample hanging rod 20, and can put on sample hanging rod 20 when implementing, and accommodation groove 32 and sample hanging rod 20 assorted, the portion of leaning on 31 has certain width, can make when couple 30 hangs on sample hanging rod 20 through accommodation groove 32, more stable and be difficult for rocking, in order to keep the sample that hangs on couple 30 stable not rocking as far as possible, not contact each other.

Further, the hook 30 faces the axial direction of the sample hanging rod 20, and at this time, is the length direction of the case 10, and when the sample is hung on the hook 30, the test surface of the sample is perpendicular to the axial direction of the sample hanging rod 20, so that the number of samples that can be placed on the sample hanging rod 20 is greater.

The materials used in the 5XXX aluminum alloy spalling corrosion test apparatus of the present utility model are all inert materials to avoid reaction or reaction when in contact with the test solution and coupon.

The following is an exemplary specific working process of the present utility model, hanging the sample on the hook 30 of the sample hanging rod 20, placing the sample hanging rod 20 on the supporting part 12 in the box body, pouring the test solution into the box body 10 to the liquid level height meeting the test requirement, covering the box cover 11, then placing the whole 5XXX aluminum alloy peeling corrosion test device into a constant temperature device (such as a constant temperature water tank), keeping the constant temperature at 24 h, taking out the whole 5XXX aluminum alloy peeling corrosion test device from the constant temperature device after the soaking test is finished, removing the box cover 11, opening the liquid outlet switch 15 to discharge the test solution from the liquid outlet 14 or tilting the box body 10 to directly pour the test solution, finally taking out the sample hanging rod 20 from the box body 10, the whole process is simple and convenient to operate, the test parameters meet the test standard requirements, the test method is suitable for the 5XXX aluminum alloy peeling corrosion test samples with different specifications, the applicability is strong, and a plurality of samples can be placed at one time, so that the peeling corrosion test efficiency is improved.

The 5XXX aluminum alloy peeling corrosion test device provided by the utility model is used, when in implementation, the test sample is vertically hung, the distance between the hooks can be adjusted and increased or decreased, and the device is applicable to peeling corrosion tests of 5XXX aluminum alloys with different thicknesses and different numbers, and has high applicability; the peeling corrosion test of a plurality of 5XXX aluminum alloy samples can be simultaneously satisfied at one time, the test is suitable for mass test, and the test efficiency is high; checking the distances between the bottom of the sample and the bottom of the device and between the top of the sample and the top of the test solution through the scale marks on the front surface of the device, so as to conveniently verify whether the sample placement meets the standard requirement; the sleeve can effectively avoid or reduce the influence on the test result caused by mutual contact of the samples; the utility model has simple structure, light weight, convenient transfer operation, low cost and simple operation.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a 5XXX aluminum alloy peels off corrosion test device, is including box (10), box (10) top open setting and lid are equipped with case lid (11), its characterized in that: the automatic aluminum alloy hanging device is characterized in that supporting parts (12) which are oppositely arranged are respectively arranged at different heights on the inner walls of the two sides of the box body (10), a sample hanging rod (20) is transversely arranged in the box body (10), the sample hanging rod (20) is placed on the supporting parts (12) with the same height on the inner walls of the two sides of the box body (10), and a plurality of hooks (30) for hanging aluminum alloy samples are axially distributed on the sample hanging rod (20) at intervals.

2. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: the side wall of the box body (10) is provided with scale marks (13) which are vertically arranged.

3. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: the side wall of the box body (10) is arranged in a transparent mode, or an observation window is arranged on the side wall of the box body (10).

4. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: a sleeve (21) is arranged between the hooks (30), and the sleeve (21) is sleeved on the sample hanging rod (20) and can axially move along the sample hanging rod (20).

5. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: the hook (30) faces the axial direction of the sample hanging rod (20).

6. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: the top of couple (30) is the portion of leaning on (31), the portion of leaning on (31) have opening downwardly holding groove (32), holding groove (32) with sample hanging rod (20) assorted, just the portion of leaning on (31) have certain width.

7. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: the supporting part (12) is provided with an upward placing groove (17), the placing groove (17) is a square groove, and the end part of the sample hanging rod (20) is matched with the placing groove (17) in shape and placed in the placing groove (17).

8. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 7, wherein: the end dimension of the specimen suspension rod (20) is smaller than the intermediate dimension.

9. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: the bottom of the box body (10) is provided with a liquid outlet (14), and a liquid outlet switch (15) is arranged at the liquid outlet (14).

10. The 5XXX aluminum alloy spalling corrosion test apparatus of claim 1, wherein: lifting lugs (16) are arranged on the outer walls of the two sides of the upper part of the box body (10).