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Aluminum alloy honeycomb panel and production method thereof

A production method and aluminum alloy technology, applied in the direction of metal layered products, chemical instruments and methods, layered products, etc., can solve the problems of reducing the strength and weight of aluminum alloy honeycomb panels to a limited extent, and achieve high fire resistance and Tensile strength improvement, the effect of improving the tensile strength

Inactive Publication Date: 2019-08-30
ZHONGSU NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aluminum alloy honeycomb panel reduces the strength and weight of the aluminum alloy honeycomb panel to a limited extent by controlling the thickness of the aluminum alloy layer

Method used

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  • Aluminum alloy honeycomb panel and production method thereof
  • Aluminum alloy honeycomb panel and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0065] 300 mg of graphene oxide (purity: 98%, sheet diameter: 20 μm, sheet thickness: 4 nm) was dissolved in water and ultrasonically dispersed to obtain a 5 mg / ml graphene oxide aqueous solution.

[0066] Dissolve 3 mg of sodium tetraborate and 150 mg of sodium dodecyl sulfate in water, and disperse ultrasonically for 10 minutes to obtain a mixed solution of sodium tetraborate and sodium dodecyl sulfate.

[0067] The graphene oxide aqueous solution and the mixed solution were mixed at a rotational speed of 10,000 rpm, and then reacted at 80° C. for 1 hour to obtain a foaming solution.

[0068] 1500 mg of sodium ascorbic acid was mixed with the foaming solution, reacted at 80° C. for 10 h, and then washed with 1 vol% ethanol aqueous solution to obtain graphene hydrogel.

[0069] The graphene hydrogel was frozen at -20°C for 20h, thawed to room temperature, and dried at 65°C for 24h to obtain graphene airgel powder.

Embodiment 1

[0071] Prepare an aluminum alloy honeycomb sandwich (size 200×300×30mm, hole diameter 15mm). A layer of polyurethane adhesive is coated on the first surface of the aluminum alloy honeycomb sandwich to form an adhesive layer A. A calcium silicate board measuring 200 x 300 x 2 mm was attached to the adhesive layer A. 0.1MPa curing treatment for 30min. Set the density to 5kg / m 2 The graphene airgel powder (preparation example 1) is filled in the cavity structure of aluminum alloy honeycomb sandwich core. A layer of polyurethane adhesive is coated on the second surface of the aluminum alloy honeycomb sandwich to form an adhesive layer B. A calcium silicate board measuring 200 x 300 x 5 mm was attached to the adhesive layer B. 0.1MPa curing treatment for 2 hours, and curing for 12 hours after pressure release. The surroundings of the aluminum alloy honeycomb sandwich core are sealed with ceramic fiber strips to obtain an aluminum alloy honeycomb panel.

Embodiment 2

[0073] Prepare an aluminum alloy honeycomb sandwich (size 200×300×30mm, hole diameter 15mm). A layer of silicate adhesive is coated on the first surface of the aluminum alloy honeycomb sandwich to form an adhesive layer A. A calcium silicate board measuring 200 x 300 x 2 mm was attached to the adhesive layer A. 0.1MPa curing treatment for 30min. Set the density to 5kg / m 2 The graphene airgel powder (preparation example 1) is filled in the cavity structure of aluminum alloy honeycomb sandwich core. A layer of silicate adhesive is coated on the second surface of the aluminum alloy honeycomb sandwich to form an adhesive layer B. A calcium silicate board measuring 200 x 300 x 5 mm was attached to the adhesive layer B. 0.1MPa curing treatment for 2 hours, and curing for 12 hours after pressure release. The surroundings of the aluminum alloy honeycomb sandwich core are sealed with ceramic fiber strips to obtain an aluminum alloy honeycomb panel.

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Abstract

The invention discloses an aluminum alloy honeycomb panel and a production method thereof. The production method comprises the following steps: (1) forming a bonding layer A on the first surface of analuminum alloy honeycomb sandwich, enabling the bonding layer A to be in contact with a panel A, and performing solidification treatment under 0.05-0.25 MPa to combine the aluminum alloy honeycomb sandwich with the panel A; (2) filling the cavity structure of the aluminum alloy honeycomb sandwich with graphene aerogel powder; (3) forming a bonding layer B on the second surface of the aluminum alloy honeycomb sandwich, enabling the bonding layer B to be in contact with a panel B, performing solidification treatment under 0.05-0.25 MPa, depressurizing and then performing solidification so as tocombine the aluminum alloy honeycomb sandwich with the panel B. The aluminum alloy honeycomb panel disclosed by the invention is relatively high in tensile strength.

Description

technical field [0001] The invention relates to an aluminum alloy honeycomb panel and a production method thereof. Background technique [0002] With the increase of residential construction in our country, the improvement of construction industrialization, and the increase of high-rise buildings, architectural design and construction departments are seeking ideal lightweight materials to solve the difficulties in high-rise building materials. Honeycomb panels are characterized by light weight, high specific strength and specific stiffness, not easy to deform, easy to process, and can meet special needs such as sound insulation, heat insulation, flame retardant, and waterproof according to user requirements. It is a promising new building material. . It can be widely used in partitions, ceilings, door panels, interior wall decoration, mobile homes, vehicles, ships, aerospace, etc. [0003] CN208502335U discloses a kind of polyurethane honeycomb fiber composite material boa...

Claims

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Application Information

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IPC IPC(8): B32B3/12B32B15/20B32B15/04B32B9/04B32B3/08B32B7/12B32B33/00B32B13/06B32B37/12B32B38/00B32B37/14C01B32/184
CPCB32B3/08B32B3/12B32B7/12B32B9/041B32B13/06B32B15/04B32B15/20B32B33/00B32B37/12B32B37/146B32B38/00B32B2038/0076B32B2307/304B32B2307/3065B32B2307/54C01B32/184
Inventor 童裳慧
Owner ZHONGSU NEW TECH CO LTD
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