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Big shelter board with radar stealth function and preparation method thereof

A radar stealth and functional technology, applied in the direction of chemical instruments and methods, lamination, layered products, etc., can solve the problem that the wave-absorbing performance of the large board of the shelter needs to be improved

Inactive Publication Date: 2016-06-08
CHINA ACADEMY OF ENG PHYSICS FUNCTION MATERIAL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The shelter slab is the main material for making the shelter. The shelter slab is riveted to form the walls, roof and bottom of the shelter. The shelter is made of large slabs with radar stealth, which can effectively reduce its radar scattering cross-sectional area and improve weaponry. The stealth performance of the equipment reduces the probability of equipment being discovered and recognized, and enhances the survivability of weapons and equipment. However, the wave-absorbing performance of the large board of the shelter needs to be improved

Method used

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  • Big shelter board with radar stealth function and preparation method thereof
  • Big shelter board with radar stealth function and preparation method thereof

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preparation example Construction

[0037] Such as figure 2 Shown, the preparation method of the shelter slab with radar stealth function of an embodiment, comprises the following steps:

[0038] Step S110: bonding the upper and lower surfaces of the wave-absorbing material layer to the lower surface of the wave-transparent outer skin layer and the upper surface of the rigid foam layer respectively;

[0039] Step S120: bonding the lower surface of the rigid foam layer to the upper surface of the inner skin layer;

[0040] Step S130: pressurize and shape the plates obtained through the above steps to obtain the large shelter plate with radar stealth function.

[0041] Preferably, the absorbing material layer is prepared by the following method:

[0042] The fiber-reinforced resin-based material is prepared into a sheet, and the sheet is prepared into a honeycomb core, and a wave-absorbing material is introduced into the honeycomb core; or prepared by the following method; or the fiber-reinforced resin-based ma...

Embodiment 1

[0046] The preparation process of the shelter slab with radar stealth function of the present embodiment is as follows:

[0047] Prepare the wave-absorbing material layer: prepare a fiber-reinforced resin-based material into a sheet, then prepare the sheet into a honeycomb core, introduce a wave-absorbing material into the honeycomb core, and the wave-absorbing material is carbon fiber;

[0048] The lower surface of the hard foam layer is bonded to the upper surface of the inner skin layer; the hard foam layer includes a hard foam, and the hard foam is a flame-retardant rigid polyurethane foam, and the inner skin layer is aluminum alloy;

[0049] The plates obtained through the above steps are pressurized and shaped to obtain the large shelter plate with radar stealth function.

Embodiment 2

[0051] The preparation process of the shelter slab with radar stealth function of the present embodiment is as follows:

[0052]Prepare the wave-absorbing material layer: prepare a fiber-reinforced resin-based material into a sheet, then prepare the sheet into a honeycomb core, introduce a wave-absorbing material into the honeycomb core, and the wave-absorbing material is graphite;

[0053] The lower surface of the hard foam layer is bonded to the upper surface of the inner skin layer; the hard foam layer includes a hard foam, and the hard foam is a flame-retardant polyimide foam, and the inner skin layer It is a resin-based material, and the resin-based material is a glass fiber reinforced epoxy-based composite material;

[0054] The plates obtained through the above steps are pressurized and shaped to obtain the large shelter plate with radar stealth function.

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Abstract

The invention provides a big shelter board with a radar stealth function. The big shelter board is manufactured through adhering, pressurizing and sizing by a wave-transparent outer skin layer, a wave-absorbing material layer, a hard foam layer and an inner skin layer. According to the big shelter board with the radar stealth function, disclosed by the invention, the adopted wave-absorbing material layer has a function of absorbing broadband radar waves, and meanwhile, the big shelter board has the characteristics of high modulus, low deformation, high temperature resistance, corrosion resistance, easiness in machining, and the like; a more complex structure is needed for achieving the same wave absorbing effect by a radar wave-absorbing material, wave-absorbing foam, a wave-absorbing patch or thin film and the like of a traditional big shelter board, so that the big shelter board provided by the invention has the advantages that a forming technology can be effectively simplified, the surface density of the big shelter board is reduced, and the wave-absorbing performance is increased.

Description

technical field [0001] The invention relates to the technical field of functional materials, in particular to a shelter slab with radar stealth function and a preparation method thereof. Background technique [0002] The square cabin refers to a workshop that can provide a suitable working environment and safety protection for personnel and equipment, and is convenient for loading, unloading and transportation in various ways. Its internal structure can be designed according to different needs, and it has high mobility. The shelter is a structure similar to a container. Various materials are organically combined to form a movable whole. It can be transported by truck to provide a suitable environment for the equipment and personnel in the cabin. It can be used as a field command center, Air defense radar system, electronic equipment system, environmental monitoring shelter, meteorological shelter, hospital shelter, mobile combination room, etc. [0003] In the 1950s, the Un...

Claims

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Application Information

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IPC IPC(8): B32B3/12B32B15/08B32B15/20B32B27/04B32B27/08B32B27/18B32B27/40B32B37/10
CPCB32B3/12B32B15/08B32B15/20B32B27/04B32B27/08B32B27/18B32B27/40B32B37/10B32B2260/021B32B2260/046B32B2266/0214B32B2307/212
Inventor 刘键林德苗吴佩萱闫路瑶
Owner CHINA ACADEMY OF ENG PHYSICS FUNCTION MATERIAL RES INST
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