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Integrated durable cylinder core edge-sealing sandwich plate

A sandwich panel and column core technology, which is applied in the field of lightweight and durable column core edge-sealed sandwich panel construction, can solve the problems of reports and no durable structural features of the forewing, and achieve improved technical content, high designability, and good The effect of social benefits

Inactive Publication Date: 2015-06-17
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although there are currently reports on strength analysis based on the columella structure model of the beetle forewing obtained by myself, there is no report on the structure of the forewing containing the edge sealing structure and its durability in stag beetles. Therefore, according to the latest understanding of the forewing of the beetle , based on the structural characteristics of stag beetle forewing, a bionic structure of lightweight and durable column core edge-sealing sandwich reinforced plate was extracted

Method used

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  • Integrated durable cylinder core edge-sealing sandwich plate
  • Integrated durable cylinder core edge-sealing sandwich plate
  • Integrated durable cylinder core edge-sealing sandwich plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] figure 1 It is an integrated lightweight and durable column core edge-banding sandwich panel (structure). Its cross-section consists of an upper layer, a lower layer and a hollow layer. Small columns are distributed in the hollow layer, and there is a natural integrated edge-banding structure around the plate. The hollow rate is 33%, that is, the thickness Lv of the hollow layer accounts for roughly one-third of the total thickness T of the plate body, wherein the thickness of the upper layer of the plate body is Lu, and the thickness of the lower layer of the plate body is Ld. The small column and the upper and lower layers are also a natural integrated structure. The percentage of the area of ​​the small column in the hollow layer is about 20%, and the diameter of the small column is about half of the height of the hollow layer; use homogeneous materials (this is unnecessary, because the hollow layer is lightweight , should be recognized, strength, etc. have been rev...

Embodiment 2

[0037] An integrated lightweight and durable column core edge-banding sandwich panel (structure), its section is composed of an upper layer, a lower layer and a hollow layer. The ratio of small columns and upper and lower layers is also a natural integrated structure, the percentage of small column area in the hollow layer is about 10%, and the diameter of small columns is about half of the height of the hollow layer; the material is basalt short fiber and advanced resin-based resin of composite materials.

Embodiment 3

[0039] An integrated lightweight and durable column core edge-banding sandwich panel (structure), its section is composed of an upper layer, a lower layer and a hollow layer. The ratio is 60%; the small column and the upper and lower layers are also a natural integrated structure, the percentage of the area of ​​the small column in the hollow layer is about 50%, and the diameter of the small column is about two-thirds of the height of the hollow layer; it is an anisotropic material: continuous Composites of basalt long fibers and resin.

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Abstract

The invention discloses an integrated durable cylinder core edge-sealing sandwich plate. The integrated durable cylinder core edge-sealing sandwich plate comprises a plate body with a cylinder core hollow layer, wherein the hollow layer is formed by enclosing an upper layer, a lower layer and a sealed edge; and the integrated durable cylinder core edge-sealing sandwich plate is characterized in that a ratio of the thickness of the hollow layer to the thickness of the plate body is 10 to 60 percent; scattered small cylinders which are integrated with the plate body are arranged in the hollow layer; one end of each small cylinder is connected with the upper layer; the other end of each small cylinder is connected with the lower layer; the sum of the areas of the small cylinders accounts for 10 to 50 percent of the area of the hollow layer; and the feature size of the small cylinders converted into the diameter of the circle under the same area is 1 / 2 larger than the thickness of the hollow layer. Compared with the prior art, the integrated durable cylinder core edge-sealing sandwich plate has the characteristics of small weight, high strength, low carbon, environment friendliness, high designability and simple process, and an adhesive is not required in the process of integrally manufacturing a honeycomb plate.

Description

technical field [0001] The invention relates to a bionic lightweight edge-sealed interlayer (core) board, in particular to a light-weight and durable column core edge-sealed sandwich board structure. Background technique [0002] (Honeycomb) sandwich panels have been widely used in industry, and an integrated honeycomb bionic sandwich panel with columns has also been proposed for several years (Patent No.: ZL. Inlay and other multi-body molding process production. Attracted by the excellent biological structure, the inventor took the lead in developing the integrated (pillared) honeycomb technology (patent number: ZL 2010 2 0113926.9, ZL201010228680.4) and a kind of integrated honeycomb panel through unremitting efforts Bionic edge banding technology (patent application number: 2011 1 0234562.9). The idea of ​​the present invention still comes from the research results of the beetle forewing, inspired by the excellent biological structure: [0003] In the applicant's long...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B3/26B32B7/04
Inventor 陈锦祥谢娟何成林顾承龙
Owner SOUTHEAST UNIV