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Preparation method of foamed aluminum structural part and foamed aluminum structural part

A technology for foamed aluminum and structural parts, which is applied in the field of preparation of foamed aluminum structural parts and foamed aluminum structural parts. It can solve the problems of structural strength influence, increased plate weight, complex production process, etc., so as to improve the impact resistance and increase the scope of application. , Improve the effect of man-machine environment

Active Publication Date: 2021-04-23
SAFENET NINGBO NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the patent with publication number CN111299549A discloses a preparation method of coating aluminum alloy on the surface of foamed aluminum by casting process. The production process of this method is relatively complicated, and the weight of the material increases after the surface is coated with aluminum alloy, which cannot meet the application of light weight. required, and the structural strength will also be affected
Another example is that the patent with the publication number CN111215630A discloses a method for preparing an aluminum foam sandwich panel, which can produce a composite panel comprising upper and lower layers of reinforced aluminum-based composite material and a foamed aluminum core layer, and the reinforced aluminum-based composite material will increase The weight of the board, and the size of the board is limited, so it cannot be used in different application scenarios

Method used

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  • Preparation method of foamed aluminum structural part and foamed aluminum structural part
  • Preparation method of foamed aluminum structural part and foamed aluminum structural part
  • Preparation method of foamed aluminum structural part and foamed aluminum structural part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A method for preparing a foamed aluminum structure, combining figure 1 , including the following steps:

[0039] Step 1, prepare the aluminum foam matrix 1, the aluminum foam matrix 1 is a cuboid with a porosity of 60%, wash the surface of the aluminum foam matrix 1 with acetone, dry it in an oven at 60°C, and then place it on the aluminum foam matrix 1 The surface of the surface is sprayed with Kemlok adhesive, the coating thickness of the Kemlok adhesive is 0.6mm, and it is dried in an oven at 60°C.

[0040] Step 2, prepare a rubber compound according to the surface shape of the aluminum foam substrate 1, the thickness of the rubber compound is 5 mm.

[0041] Step 3: Wrap the rubber compound on the surface of the aluminum foam matrix 1, prepare a vulcanization mold, preheat the mold at a temperature of 150°C, and put the aluminum foam matrix 1 wrapped with the rubber compound into the mold.

[0042] Step 4, the mold is closed, and the gas at the joint surface of the...

Embodiment 2

[0046] A method for preparing a foamed aluminum structure, comprising the following steps:

[0047] Step 1, prepare the aluminum foam matrix 1, the aluminum foam matrix 1 is cylindrical, and the porosity is 50%, the surface of the aluminum foam matrix 1 is washed with acetone, placed in an oven at 45°C for drying, and then placed on the aluminum foam matrix The surface of 1 is sprayed with Kemlok adhesive, the coating thickness of the Chemlok adhesive is 0.45mm, and it is dried in an oven at 60°C.

[0048] Step 2, prepare a rubber compound according to the surface shape of the aluminum foam substrate 1, the thickness of the rubber compound is 3 mm.

[0049] Step 3: Wrap the rubber compound on the surface of the aluminum foam matrix 1, prepare a vulcanization mold, preheat the mold at a temperature of 70°C, and put the aluminum foam matrix 1 wrapped with the rubber compound into the mold.

[0050] Step 4, the mold is closed, and the gas at the joint surface of the aluminum foa...

Embodiment 3

[0054] A method for preparing a foamed aluminum structure, comprising the following steps:

[0055] Step 1, prepare the foamed aluminum substrate 1, the foamed aluminum substrate 1 is trapezoidal, the porosity is 65%, the surface of the foamed aluminum substrate 1 is cleaned with alcohol, air-dried at normal temperature, and then sprayed on the surface of the foamed aluminum substrate 1 The coating thickness of Chemlok adhesive is 1.95mm, and it is air-dried at room temperature.

[0056] Step 2, preparing a rubber compound according to the surface shape of the foamed aluminum substrate 1, and the thickness of the rubber compound is 10mm.

[0057] Step 3: Wrap the rubber compound on the surface of the aluminum foam matrix 1, prepare a vulcanization mold, preheat the mold at a temperature of 145°C, and put the aluminum foam matrix 1 wrapped with the rubber compound into the mold.

[0058] Step 4, open and close the mold to discharge the gas at the joint surface between the alum...

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Abstract

The invention relates to the technical field of materials, in particular to a preparation method of a foamed aluminum structural part and the foamed aluminum structural part. The preparation method comprises the following steps of carrying out surface treatment on a foamed aluminum matrix; preparing a rubber sizing material according to a set size; wrapping the surface of the foamed aluminum matrix with the rubber sizing material, and putting the foamed aluminum matrix into a vulcanization mold; closing the mold, and discharging gas on the joint face of the foamed aluminum matrix and the rubber sizing material; carrying out vulcanization molding on the rubber sizing material at the designed temperature, pressure and time, and forming a coated rubber layer on the surface of the foamed aluminum matrix; and opening the mold after the vulcanization time is up to obtain the foamed aluminum structural part. According to the preparation method of the foamed aluminum structural part, the surface of the foamed aluminum matrix is coated with the rubber layer through the vulcanization process, the structural part is provided with the rubber surface, no disintegrating slag falls off, the man-machine environment is improved, and meanwhile the shock resistance of the foamed aluminum structural part can be improved through the rubber layer.

Description

technical field [0001] The invention relates to the field of material technology, in particular to a method for preparing a foamed aluminum structural part and the foamed aluminum structural part. Background technique [0002] Porous metal foam material is a new type of engineering material with dual properties of function and structure, including steel, aluminum, nickel and other matrix materials, among which aluminum foam is widely developed and used. As a structural material, aluminum foam has the characteristics of light weight and high specific strength; as a functional material, it has various physical properties such as porous, vibration reduction, damping, sound absorption, sound insulation, heat dissipation, impact energy absorption, and electromagnetic shielding. Compared with solid structural materials, aluminum foam has a certain degree of compressibility and can absorb impact energy. Therefore, aluminum foam is a kind of impact-resistant material with great app...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C65/44B29C35/02
CPCB29C65/44B29C66/7422B29C35/02
Inventor 崔东波王进华吴冬宁
Owner SAFENET NINGBO NEW MATERIAL TECH CO LTD
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