Gradient structure aluminum alloy plate

Abstract

The utility model provides a gradient structure aluminum alloy plate which comprises a base plate, the section of the base plate is arranged to be in an arc shape, a first strengthening layer and a second strengthening layer are arranged on the two sides of the base plate, the first strengthening layer is arranged on the radial inner side of the base plate, and the second strengthening layer is arranged on the radial outer side of the base plate. The density of the first strengthening layer and the density of the second strengthening layer are both larger than that of the base plate, the base plate is made of aluminum alloy, a fin part is arranged on the radial outer side of the base plate, the fin part penetrates through the second strengthening layer to be fixed to the base plate, and the fin part is bent into a sawtooth shape in the axial extending direction of the base plate. The aluminum alloy plate disclosed by the utility model has good strength and toughness and gradient performance, and provides a buffering effect when being stressed.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy plates, in particular to an aluminum alloy plate with a gradient structure. Background Art

[0002] In the prior art, aluminum alloy plates are widely used in the manufacturing industry. Aluminum alloy plates themselves have low strength, poor hardness, and poor wear resistance and corrosion resistance. Under poor working conditions, aluminum alloy plates are impacted, have no buffering effect, and are easily deformed. Therefore, it is necessary to provide a gradient structure aluminum alloy plate to overcome the above defects. Utility Model Content

[0003] The utility model aims to provide an aluminum alloy plate with a gradient structure.

[0004] According to one aspect of the utility model, a gradient structure aluminum alloy plate is provided, comprising:

[0005] A substrate, wherein the cross-section of the substrate is set to be an arc shape, a first strengthening layer and a second strengthening layer are provided on both sides of the substrate, the first strengthening layer is arranged on the radial inner side of the substrate, and the second strengthening layer is arranged on the radial outer side of the substrate, the density of the first strengthening layer and the second strengthening layer are both greater than the density of the substrate, the substrate is set to be an aluminum alloy, a fin portion is provided on the radial outer side of the substrate, the fin portion passes through the second strengthening layer and the substrate and is fixed, and the fin portion is bent into a serrated shape along the axial extension direction of the substrate.

[0006] Preferably, the materials of the first strengthening layer and the second strengthening layer are silicon carbide, aluminum oxide or zirconium dioxide.

[0007] Preferably, an insert portion is provided at the bottom of the fin portion, the second reinforcement layer is provided with a first socket, the substrate is provided with a second socket, the first reinforcement layer is provided with a notch portion, and the insert portion passes through the first socket and the second socket in sequence and extends into the notch portion and is fixed to the substrate.

[0008] Preferably, the fin portion includes a first fin, a second fin and a third fin, and an angle between the first fin and the second fin and an angle between the second fin and the third fin are the same.

[0009] Preferably, the inserting piece portion comprises a first branch and a second branch respectively bent toward two sides of an extending direction of the substrate, and the first branch and the second branch are located in the notch portion and parallel to the substrate.

[0010] Compared with the prior art, the gradient structure aluminum alloy plate provided by the utility model has the following beneficial effects:

[0011] At the same time, both sides of the aluminum alloy substrate are strengthened so that the outer layer has higher strength, hardness, wear resistance and corrosion resistance. The aluminum alloy substrate itself has good toughness and can provide a good buffering effect when subjected to external impact. The plate as a whole has gradient performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0013] Figure 1 It is a cross-sectional view of the aluminum alloy plate of the utility model;

[0014] Figure 2 It is a partial cross-sectional view of the aluminum alloy plate of the utility model;

[0015] Figure 3 It is a top view of the aluminum alloy plate of the utility model. DETAILED DESCRIPTION

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0018] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0019] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0020] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0022] See also Figure 1 The utility model provides a gradient structure aluminum alloy plate, comprising: a substrate 1, a first strengthening layer 2, a second strengthening layer 3 and a fin portion 4. The cross section of the substrate 1 is arranged in an arc shape. The first strengthening layer 2 and the second strengthening layer 3 are arranged on both sides of the substrate 1, respectively. The first strengthening layer 2 is arranged on the radial inner side of the substrate 1, and the second strengthening layer 3 is arranged on the radial outer side of the substrate 1. The substrate 1 is arranged as an aluminum alloy. The density of the first strengthening layer 2 and the second strengthening layer 3 are both greater than the density of the substrate 1. In this embodiment, the material of the first strengthening layer 2 and the second strengthening layer 3 is silicon carbide or aluminum oxide or zirconium dioxide.

[0023] See also Figure 2 and Figure 3 The fin portion 4 is arranged at the radial outer end of the substrate 1. The fin portion 4 extends perpendicularly to the outer surface of the substrate 1, and the fin portion 4 is bent into a serrated shape along the axial extension direction of the substrate 1. The fin portion 4 includes a first fin 41, a second fin 42, and a third fin 43. The angle between the first fin 41 and the second fin 42 and the angle between the second fin 42 and the third fin 43 are the same. In other embodiments, more than three fins can be arranged on the substrate 1.

[0024] See also Figure 2 Taking the first fin 41 as an example, the bottom of the fin portion 4 is provided with an insert portion 411. The second strengthening layer 3 is provided with a first socket 31. The substrate 1 is provided with a second socket 11. The first strengthening layer 2 is provided with a notch portion 21. The insert portion 411 passes through the first socket 31 and the second socket 11 in sequence and extends into the notch portion 21 and is fixed to the substrate 1. The insert portion 411 includes a first branch 4111 and a second branch 4112 that are bent to both sides of the extension direction of the substrate 1 respectively. The first branch 4111 and the second branch 4112 are located in the notch portion 21 and are parallel to the substrate 1.

[0025] The utility model strengthens both sides of the aluminum alloy substrate so that the outer layer has higher strength, hardness, wear resistance and corrosion resistance. The aluminum alloy substrate itself has good toughness and can provide a good buffering effect when subjected to external impact. The plate as a whole has gradient performance.

[0026] It will be apparent to those skilled in the art that various modifications and variations can be made to the above exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention covers modifications and variations of the present invention that fall within the scope of the appended claims and their equivalent technical solutions.

Claims

1. A gradient structure aluminum alloy sheet, characterized in that: include: A substrate, wherein the cross-section of the substrate is set to be an arc shape, a first strengthening layer and a second strengthening layer are provided on both sides of the substrate, the first strengthening layer is arranged on the radial inner side of the substrate, and the second strengthening layer is arranged on the radial outer side of the substrate, the density of the first strengthening layer and the second strengthening layer are both greater than the density of the substrate, the substrate is set to be an aluminum alloy, a fin portion is provided on the radial outer side of the substrate, the fin portion passes through the second strengthening layer and the substrate and is fixed, and the fin portion is bent into a serrated shape along the axial extension direction of the substrate.

2. The gradient structure aluminum alloy sheet according to claim 1, characterized in that: The materials of the first strengthening layer and the second strengthening layer are silicon carbide, aluminum oxide or zirconium dioxide.

3. The gradient structure aluminum alloy sheet according to claim 2, characterized in that: The bottom of the fin portion is provided with an insert portion, the second reinforcement layer is provided with a first socket, the substrate is provided with a second socket, the first reinforcement layer is provided with a notch portion, and the insert portion passes through the first socket and the second socket in sequence and extends into the notch portion and is fixed to the substrate.

4. The gradient structure aluminum alloy sheet according to claim 3, characterized in that: The fin portion includes a first fin, a second fin, and a third fin, and an angle between the first fin and the second fin and an angle between the second fin and the third fin are the same.

5. The gradient structure aluminum alloy sheet according to claim 4, characterized in that: The inserting piece portion includes a first branch and a second branch respectively bent toward two sides of an extending direction of the substrate, and the first branch and the second branch are located in the notch portion and parallel to the substrate.

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