CN214952747U - Tension-shear testing device - Google Patents
Tension-shear testing device Download PDFInfo
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- CN214952747U CN214952747U CN202121200743.5U CN202121200743U CN214952747U CN 214952747 U CN214952747 U CN 214952747U CN 202121200743 U CN202121200743 U CN 202121200743U CN 214952747 U CN214952747 U CN 214952747U
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Abstract
The utility model provides a pull-shear testing device, which comprises a first connecting plate and a second connecting plate; the first connecting plate and the second connecting plate are respectively provided with a first positioning plate and a second positioning plate; the interval between first locating plate and the second locating plate on first connecting plate or the second connecting plate is adjustable, and presss from both sides between first locating plate and the second locating plate and is equipped with glue film and substrate. This draw and cut testing arrangement can adapt to the substrate and the glue film of different thickness through setting up interval adjustable first locating plate and second locating plate. Moreover, through the clamping of the first positioning plate and the second positioning plate, the problem of peeling stress caused by a thick base material and a thick adhesive layer in a tension-shear test can be avoided, and the glass base material can be prevented from being broken in the test process, so that the real strength of the adhesive can be measured. And then solved the smooth surface of base materials such as glass, the problem of easy slippage in the clamping process, still solved fragile materials such as glass simultaneously, cracked problem in the clamping process.
Description
Technical Field
The utility model relates to a stress test technical field especially relates to a pull and cut testing arrangement.
Background
In the production and manufacturing process of the railway vehicle, the adhesive is an important process auxiliary material, particularly the adhesive process of the windshield and the side window glass, and the quality of the performance of the adhesive directly influences the adhesive effect of the glass, thereby influencing the quality impression of the whole vehicle. Therefore, the method is particularly important for testing the performance of the adhesive.
In the performance test of the adhesive, the shear strength is one of the key indexes of the adhesive. During the conventional test of the bonding strength of glass, the glass has at least the following conditions during the test due to the brittleness of the glass itself:
1. the adhesive layer has large thickness, and peeling stress is easy to generate in the test;
2. the glass substrate is thick, and peeling stress is easily generated by adopting a traditional non-aligning clamp for clamping test;
3. the glass is brittle, and the traditional self-clamping fixture easily causes the glass to break before the adhesive is damaged;
4. the surface of the base material such as glass is smooth and is easy to slip in the clamping process.
The above-mentioned conditions all cause the test result to have deviation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pull and cut testing arrangement for pull among the solution prior art and cut the unsafe defect of testing arrangement test result, realize pulling the accurate test of shearing stress.
The utility model provides a pull and cut testing arrangement, include:
a first connecting plate and a second connecting plate;
the first connecting plate and the second connecting plate are respectively provided with a first positioning plate and a second positioning plate;
the distance between the first positioning plate and the second positioning plate on the first connecting plate or the second connecting plate is adjustable, and a glue layer and a base material are clamped between the first positioning plate and the second positioning plate.
According to the utility model discloses an embodiment, in the vertical direction, on the first connecting plate first locating plate and the second locating plate with on the second connecting plate first locating plate and the crisscross setting of second locating plate.
According to an embodiment of the present invention, a first end of the first positioning plate is connected to the first connecting plate or the second connecting plate;
and the second end of the first positioning plate is provided with a bending section which is bent towards the direction of the second positioning plate.
According to the utility model discloses an embodiment, in the direction of perpendicular to first connecting plate or second connecting plate, the length of first locating plate is greater than the length of second locating plate.
According to the utility model discloses an embodiment, first locating plate and/or second locating plate is suitable for through sliding construction for first connecting plate or the second connecting plate slides, with the adjustment first locating plate with interval between the second locating plate.
According to the utility model discloses an embodiment, sliding construction includes sliding fit's slider and spout, the slider set up in first locating plate and/or the second locating plate, the spout set up in first connecting plate with the second connecting plate.
According to the utility model discloses an embodiment, first locating plate and/or the second locating plate is suitable for through location structure locking with first connecting plate or the relative position of second connecting plate.
According to the utility model discloses an embodiment, location structure includes slot hole, locating hole and setting element, the slot hole set up in first connecting plate with the second connecting plate, the locating hole set up in first locating plate and/or the second locating plate, the setting element is worn to locate the slot hole and in the locating hole, with locking first locating plate and/or the second locating plate with first connecting plate or the relative position of second connecting plate.
According to the utility model discloses an embodiment still includes the pulling force machine, the pulling force machine with first connecting plate and/or second connecting plate detachably connects.
According to the utility model discloses an embodiment, first connecting plate and/or seted up the connecting hole on the second connecting plate, wear to be equipped with the connecting pin in the connecting hole in order with first connecting plate and/or second connecting plate connect in the pulling force machine.
The embodiment of the utility model provides a pull and cut testing arrangement through setting up interval adjustable first locating plate and second locating plate, can adapt to the substrate and the glue film of different thickness. Moreover, through the clamping of the first positioning plate and the second positioning plate, the problem of peeling stress caused by a thick base material and a thick adhesive layer in a tension-shear test can be avoided, and the glass base material can be prevented from being broken in the test process, so that the real strength of the adhesive can be measured. And then solved the smooth surface of base materials such as glass, the problem of easy slippage in the clamping process, still solved fragile materials such as glass simultaneously, cracked problem in the clamping process.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a tension-shear testing apparatus provided by the present invention.
Reference numerals:
100. a first connecting plate; 102. a second connecting plate; 104. a first positioning plate; 106. a second positioning plate; 108. a glue layer; 110. a substrate; 112. bending the section; 114. and connecting the holes.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. 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 embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, an embodiment of the present invention provides a pull-shear test apparatus, which includes a first connection plate 100 and a second connection plate 102; the first connecting plate 100 and the second connecting plate 102 are respectively provided with a first positioning plate 104 and a second positioning plate 106; the distance between the first positioning plate 104 and the second positioning plate 106 on the first connecting plate 100 or the second connecting plate 102 is adjustable, and a glue layer 108 and a base material 110 are sandwiched between the first positioning plate 104 and the second positioning plate 106.
The embodiment of the utility model provides a pull and cut testing arrangement through setting up interval adjustable first locating plate 104 and second locating plate 106, can adapt to the substrate 110 and the glue film 108 of different thickness. Moreover, through the clamping of the first positioning plate 104 and the second positioning plate 106, the problem of peeling stress caused by the thick base material 110 and the thick adhesive layer 108 in the tension-shear test can be avoided, and meanwhile, the glass base material 110 can not be broken in the test process, so that the real strength of the adhesive can be measured. And then solved substrate 110 surface such as glass smooth, the easy slippage problem in the clamping process, still solved simultaneously fragile material such as glass, the cracked problem in the clamping process.
With reference to fig. 1, the first connecting plate 100 and the second connecting plate 102 are respectively disposed at the left and right sides, wherein the sides of the first connecting plate 100 and the second connecting plate 102 facing away from each other are respectively connected with a tensile machine, and the tensile machine is detachably connected with the first connecting plate 100 and the second connecting plate 102.
Of course, in other embodiments, the tensile machine may be separately detachably connected to the first connection plate 100 or the second connection plate 102. When the tensile machine is detachably connected to the first connection plate 100, the second connection plate 102 is fixed. When the tensile machine is detachably coupled to the second coupling plate 102, the first coupling plate 100 is fixed. In other words, in the embodiment of the present invention, it is only necessary to ensure that the first connecting plate 100 and the second connecting plate 102 can move relatively.
According to an embodiment of the present invention, a connection hole 114 is opened on the first connection plate 100 and/or the second connection plate 102, and a connection pin is inserted into the connection hole 114 to connect the first connection plate 100 and/or the second connection plate 102 to the tensile machine.
With reference to fig. 1, connecting holes 114 are respectively formed in the sides of the first connecting plate 100 and the second connecting plate 102, which are away from each other, correspondingly, mounting holes corresponding to the connecting holes 114 may be formed in the tensile machine, connecting pins are inserted into the connecting holes 114 and the mounting holes, and the first connecting plate 100 and the second connecting plate 102 can be detachably connected to the tensile machine through the connection of the connecting pins.
Of course, in other embodiments, the detachable connection of the first and second connection plates 100 and 102 to the tensile machine may be in other forms, such as a bolt connection, a snap connection, etc. In any connection form, it is necessary to ensure the connection strength between the first connection plate 100 and the second connection plate 102 and the tensile machine.
A first positioning plate 104 and a second positioning plate 106 are respectively disposed on the first connecting plate 100 and the second connecting plate 102, wherein the second positioning plate 106 is located above and the first positioning plate 104 is located below with respect to the first connecting plate 100. For the second connecting plate 102, the first positioning plate 104 is located above, and the second positioning plate 106 is located below.
In other words, the first positioning plate 104 and the second positioning plate 106 of the first connecting plate 100 are staggered with the first positioning plate 104 and the second positioning plate 106 of the second connecting plate 102 in the vertical direction.
In addition, the length of the first positioning plate 104 is greater than the length of the second positioning plate 106 in a direction perpendicular to the first connecting plate 100 or the second connecting plate 102.
That is, as shown in fig. 1, the length of the first positioning plate 104 is greater than the length of the second positioning plate 106 in the horizontal direction, so that the first positioning plate 104 is beyond the length of the second positioning plate 106 to prevent the substrate 110, and thus the substrate 110 can be positioned by the upper and lower first positioning plates 104.
The first positioning plate 104 and the second positioning plate 106 are used for fixing the adhesive layer 108, so that the adhesive layer 108 is prevented from being broken in a tensile-shear test, and the real strength of the adhesive can be measured. Especially, for a substrate 110 having a smooth surface such as glass, the above problem can be effectively solved by the adherence of the first positioning plate 104 and the second positioning plate 106 because the substrate is likely to slip off during the clamping process. Meanwhile, the problem that fragile materials such as glass are broken in the clamping process is solved through clamping of the first positioning plate 104 and the second positioning plate 106. It should be noted that, during the actual testing process, the first positioning plate 104 and the second positioning plate 106 do not apply stress to the glue layer 108 and the substrate 110.
The embodiment of the present invention provides an interval between the first positioning plate 104 and the second positioning plate 106 is adjustable, so that the positioning can be realized to the substrate 110 with different thickness by adjusting the interval between the first positioning plate 104 and the second positioning plate 106, and then the problem of peeling stress caused by the thick substrate 110 and the thick glue layer 108 in the pull-shear test can be avoided.
According to an embodiment of the present invention, a first end of the first positioning plate 104 is connected to the first connecting plate 100 or the second connecting plate 102; the second end of the first positioning plate 104 is provided with a bending section 112 bending towards the second positioning plate 106.
Referring to fig. 1, the second end of the first positioning plate 104 is bent toward the second positioning plate 106, so that the adhesive layer 108 can be further positioned by the bent section 112 of the first positioning plate 104. Therefore, the tensile-shear strength value between the base material 110 and the glue layer 108 can be accurately measured by pulling the first connecting plate 100 and the second connecting plate 102 by the tensile machine and matching with the limiting effect of the bending sections 112 on the two first positioning plates 104.
As mentioned above, since the first positioning plate 104 and the second positioning plate 106 can position the glue layers 108 with different thicknesses, the first positioning plate 104 and the second positioning plate 106 can move relative to each other in the vertical direction as shown in fig. 1.
According to an embodiment of the present invention, the first positioning plate 104 and/or the second positioning plate 106 are adapted to slide relative to the first connecting plate 100 or the second connecting plate 102 through a sliding structure to adjust the distance between the first positioning plate 104 and the second positioning plate 106.
Specifically, in the embodiment of the present invention, taking the first positioning plate 104 and the second positioning plate 106 on the first connecting plate 100 as an example, the relative movement between the first positioning plate 104 and the second positioning plate 106 can be at least three ways as follows:
the first relative motion mode is as follows:
the first positioning plate 104 is fixedly connected with the first connecting plate 100, and the second positioning plate 106 can slide in the vertical direction relative to the first connecting plate 100, so that the relative distance between the first positioning plate 104 and the second positioning plate 106 can be adjusted by operating the second positioning plate 106.
And a second relative motion mode:
the second positioning plate 106 is fixedly connected to the first connecting plate 100, and the first positioning plate 104 can slide in the vertical direction relative to the first connecting plate 100, so that the relative distance between the second positioning plate 106 and the first positioning plate 104 can be adjusted by operating the first positioning plate 104.
The relative movement mode is three:
both the first positioning plate 104 and the second positioning plate 106 are capable of sliding in a vertical direction relative to the first connecting plate 100, and thus, the spacing between the first positioning plate 104 and the second positioning plate 106 can be adjusted by operating the first positioning plate 104 and/or the second positioning plate 106.
According to an embodiment of the present invention, the sliding structure includes a sliding fit slider and a sliding groove, the slider is disposed on the first positioning plate 104 and/or the second positioning plate 106, and the sliding groove is disposed on the first connecting plate 100 and the second connecting plate 102.
That is, in an embodiment of the present invention, taking the first positioning plate 104 and the second positioning plate 106 on the first connecting plate 100 as an example, the sliding connection between the first positioning plate 104 and the second positioning plate 106 and the first connecting plate 100 can be at least six ways as follows:
the first sliding mode is as follows:
the first end of the first positioning plate 104 is provided with a sliding block, the first connecting plate 100 is provided with a sliding groove, and the sliding block is inserted into the sliding groove, so that the purpose that the first positioning plate 104 slides relative to the first connecting plate 100 can be achieved.
And a second sliding mode:
a sliding groove is formed in the first end of the first positioning plate 104, a sliding block is arranged on the first connecting plate 100, and the sliding block is inserted into the sliding groove, so that the purpose that the first positioning plate 104 slides relative to the first connecting plate 100 can be achieved.
A third sliding mode:
the first end of the second positioning plate 106 is provided with a sliding block, the first connecting plate 100 is provided with a sliding slot, and the sliding block is inserted into the sliding slot, so that the purpose that the second positioning plate 106 slides relative to the first connecting plate 100 can be achieved.
The sliding mode is four:
a sliding groove is formed at a first end of the second positioning plate 106, a sliding block is arranged on the first connecting plate 100, and the sliding block is inserted into the sliding groove, so that the purpose that the second positioning plate 106 slides relative to the first connecting plate 100 can be achieved.
A fifth sliding mode:
the first end of the first positioning plate 104 and the first end of the second positioning plate 106 are respectively provided with a sliding block, the first connecting plate 100 is provided with a sliding groove, and the sliding blocks are inserted into the sliding grooves, so that the purpose that the first positioning plate 104 and the second positioning plate 106 slide relative to the first connecting plate 100 can be achieved.
A sliding mode six:
the first end of the first positioning plate 104 and the first end of the second positioning plate 106 are respectively provided with a sliding slot, the first connecting plate 100 is provided with a sliding block, and the sliding block is inserted into the sliding slot, so that the purpose that the first positioning plate 104 and the second positioning plate 106 slide relative to the first connecting plate 100 can be achieved.
Of course, in other embodiments, the sliding connection between the first positioning plate 104 and the second positioning plate 106 and the first connecting plate 100 can be achieved by other means, such as sliding blocks and sliding rails, rolling balls and sliding grooves, etc.
According to an embodiment of the present invention, the first positioning plate 104 and/or the second positioning plate 106 are adapted to lock the relative position with the first connecting plate 100 or the second connecting plate 102 by a positioning structure.
In other words, after the relative positions between the first positioning plate 104 and the second positioning plate 106 are adjusted, the relative positions between the first positioning plate 104 and the second positioning plate 106 and the first connecting plate 100 or the second connecting plate 102 can be locked by the positioning structure, so that the relative positions between the first positioning plate 104 and the second positioning plate 106 can be locked.
According to the utility model discloses an embodiment, location structure includes slot hole, locating hole and setting element, and the slot hole sets up in first connecting plate 100 and second connecting plate 102, and the locating hole sets up in first locating plate 104 and/or second locating plate 106, and the setting element is worn to locate in slot hole and locating hole to lock first locating plate 104 and/or second locating plate 106 and first connecting plate 100 or the relative position of second connecting plate 102.
That is, in the embodiment of the present invention, the first positioning plate 104, the second positioning plate 106 and the first connecting plate 100 can be positioned by the long holes, the positioning holes and the positioning members.
For example, one or more long holes may be formed in the first positioning plate 100 along the height direction of the first positioning plate 100, and one positioning hole is formed in each of the first positioning plate 104 and the second positioning plate 106, where the long hole may be an optical hole, and the positioning hole may be a bolt hole, and the positioning members such as bolts and screws pass through the long holes and the bolt holes, respectively, so as to lock the relative position between the first positioning plate 104 and the second positioning plate 106 and the first positioning plate 100, and further lock the relative distance between the first positioning plate 104 and the second positioning plate 106.
Of course, in some other embodiments, the relative distance between the first positioning plate 104 and the second positioning plate 106 may be locked by other positioning structures, for example, studs may be disposed on the first positioning plate 104 and the second positioning plate 106, a long hole may be formed in the first connecting plate 100 along the height direction of the first connecting plate 100, a nut may be disposed at a portion where the stud penetrates through the long hole, and the distance between the first positioning plate 104 and the second positioning plate 106 may be locked by screwing the nut.
The following is a simple description of the use method of the tension-shear testing device provided by the embodiment of the present invention:
firstly, adjusting the relative distance between the first positioning plate 104 and the second positioning plate 106, respectively placing the glue layers 108 between the first positioning plate 104 and the second positioning plate 106 on the first connecting plate 100, and simultaneously ensuring that the substrate 110 is positioned on the sections of the two first positioning plates 104 exceeding the two second positioning plates 106;
secondly, the relative distance between the first positioning plate 104 and the second positioning plate 106 is locked through the positioning structure, and at this time, it is required to ensure that the first positioning plate 104 and the second positioning plate 106 do not apply stress to the adhesive layer 108;
thirdly, connecting the first connecting plate 100 and the second connecting plate 102 with a tensile machine respectively;
finally, a tensile machine is used for applying a tensile force to the first connecting plate 100 and the second connecting plate 102, so that the tensile and shear stress between the base material 110 and the adhesive layer 108 can be accurately tested, and accurate data support can be provided for performance test and subsequent improvement of the adhesive.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A pull-shear test device, comprising:
a first connecting plate (100) and a second connecting plate (102);
a first positioning plate (104) and a second positioning plate (106) are respectively arranged on the first connecting plate (100) and the second connecting plate (102);
the distance between the first positioning plate (104) and the second positioning plate (106) on the first connecting plate (100) or the second connecting plate (102) is adjustable, and a glue layer (108) and a base material (110) are arranged between the first positioning plate (104) and the second positioning plate (106) in a clamping mode.
2. A pull-shear test device according to claim 1, wherein the first locating plate (104) and the second locating plate (106) on the first connecting plate (100) are staggered from the first locating plate (104) and the second locating plate (106) on the second connecting plate (102) in a vertical direction.
3. A pull shear test device according to claim 1, wherein a first end of the first positioning plate (104) is connected to the first connecting plate (100) or the second connecting plate (102);
the second end of the first positioning plate (104) is provided with a bending section (112) which is bent towards the direction of the second positioning plate (106).
4. A pull shear test device according to claim 3, wherein the length of the first locating plate (104) is greater than the length of the second locating plate (106) in a direction perpendicular to the first connecting plate (100) or the second connecting plate (102).
5. The pull-shear test device according to any one of claims 1 to 4, wherein the first positioning plate (104) and/or the second positioning plate (106) is adapted to slide relative to the first connecting plate (100) or the second connecting plate (102) by means of a sliding structure to adjust a spacing between the first positioning plate (104) and the second positioning plate (106).
6. The pull-shear test device of claim 5, wherein the sliding structure comprises a sliding block and a sliding groove which are in sliding fit, the sliding block is disposed on the first positioning plate (104) and/or the second positioning plate (106), and the sliding groove is disposed on the first connecting plate (100) and the second connecting plate (102).
7. The pull-shear test device of claim 5, wherein the first locating plate (104) and/or the second locating plate (106) are adapted to be locked in position relative to the first connecting plate (100) or the second connecting plate (102) by a locating structure.
8. The tension-shear test device of claim 7, wherein the positioning structure comprises a long hole, a positioning hole and a positioning element, the long hole is disposed on the first connecting plate (100) and the second connecting plate (102), the positioning hole is disposed on the first positioning plate (104) and/or the second positioning plate (106), and the positioning element is inserted into the long hole and the positioning hole to lock the relative position of the first positioning plate (104) and/or the second positioning plate (106) and the first connecting plate (100) or the second connecting plate (102).
9. A pull shear test device according to any one of claims 1 to 4, further comprising a tensile machine detachably connected with the first connection plate (100) and/or the second connection plate (102).
10. The tension-shear test device of claim 9, wherein the first connecting plate (100) and/or the second connecting plate (102) are provided with connecting holes (114), and connecting pins are arranged in the connecting holes (114) in a penetrating manner to connect the first connecting plate (100) and/or the second connecting plate (102) to the tension machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121200743.5U CN214952747U (en) | 2021-05-31 | 2021-05-31 | Tension-shear testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121200743.5U CN214952747U (en) | 2021-05-31 | 2021-05-31 | Tension-shear testing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354446A (en) * | 2022-01-07 | 2022-04-15 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle window sealant selection evaluation method |
| CN114544391A (en) * | 2022-01-21 | 2022-05-27 | 深圳大学 | Device and method for testing dynamic tensile and shearing mechanical characteristics of solid material in high-temperature environment |
-
2021
- 2021-05-31 CN CN202121200743.5U patent/CN214952747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354446A (en) * | 2022-01-07 | 2022-04-15 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle window sealant selection evaluation method |
| CN114544391A (en) * | 2022-01-21 | 2022-05-27 | 深圳大学 | Device and method for testing dynamic tensile and shearing mechanical characteristics of solid material in high-temperature environment |
| CN114544391B (en) * | 2022-01-21 | 2024-01-02 | 深圳大学 | Device and method for testing dynamic tensile-shear mechanical properties of solid material in high-temperature environment |
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