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Shock-resistant energy-absorbing material and preparation method thereof

An energy-absorbing material and impact-resistant technology, which is applied in the field of impact-resistant energy-absorbing materials and their preparation, can solve problems such as the inability to use structural materials, rough surfaces, and low strength of foam materials, and achieve improved impact-resistant energy-absorbing performance, high viscosity The effect of improving bonding strength and improving production efficiency

Active Publication Date: 2015-05-27
CHINA WEAPON SCI ACADEMY NINGBO BRANCH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, the foam material has low strength and rough surface, so it cannot be used alone as a structural material.

Method used

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  • Shock-resistant energy-absorbing material and preparation method thereof
  • Shock-resistant energy-absorbing material and preparation method thereof

Examples

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Effect test

preparation example Construction

[0026] A method for preparing an impact-resistant energy-absorbing plate, the specific steps are as follows:

[0027] 1. Prepare the metal panel and metal foam layer according to the design size requirements;

[0028] 2. The bonding surfaces of the metal panel and the metal foam layer are respectively coated with a special heat vulcanizing adhesive for rubber;

[0029] 3. Prepare the rubber compound according to the design thickness requirements, and cut it according to the size of the metal panel and the metal foam layer;

[0030] 4. Preheat the die-casting mold to the temperature range that can vulcanize the rubber;

[0031] 5. Place the metal panel, rubber and foam metal plate in the mold in sequence according to the design structure;

[0032] 6. Clamp the mold and apply pressure to keep the pressure, so that the rubber can be vulcanized and molded under the designed temperature, pressure and time conditions;

[0033] 7. Take out the product after ejecting the mold to co...

Embodiment 1

[0035] Example 1 (through-hole foam metal sandwich panel)

[0036] The structure of the through-hole foam metal sandwich panel is as follows: figure 1 As shown, the characteristics of this structure are: the metal panel 1 has two layers, the metal panel 1 is used as the outermost layer of protection to resist the direct attack of foreign objects, and at the same time effectively restrains the internal protection materials of each layer; the foam metal layer 3 adopts a common Porous aluminum foam, nickel foam or copper foam, metal foam layer 3 as the main internal energy-absorbing protection material consumes impact energy through its own irreversible plastic deformation; metal panel 1 and foam layer 3 are connected by vulcanization through rubber layer 2 , the rubber layer 2 has the characteristics of isolating vibration and absorbing shock. In addition, the amount of rubber added can be controlled quantitatively. Under the condition of a certain thickness of the plate, the ad...

Embodiment 2

[0037] Embodiment 2 (through-hole foam metal composite board)

[0038] The through-hole foam metal composite panel is an extension of the through-hole foam sandwich panel. It is necessary to explain it separately here. Its structure is as follows figure 2 shown. The characteristics of this structure are: the metal panel 1 is one layer, which is used as the outermost layer of protection to resist the direct attack of foreign objects, and at the same time effectively restrains the internal protection materials of each layer; the foam metal layer 3 adopts foamed aluminum with through holes, foam Nickel or copper foam, the metal foam layer 3 as the innermost layer of protection consumes impact energy through its own irreversible plastic deformation; the metal panel 1 and the metal foam layer 3 are vulcanized and connected through the rubber layer 2, and the rubber layer 2 has the functions of isolating vibration, absorbing Impact and other characteristics, in addition, the amoun...

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Abstract

The invention relates to a shock-resistant energy-absorbing material. The shock-resistant energy-absorbing material is characterized by comprising a metal panel and a foamed metal layer, which are sequentially arranged from outside to inside, wherein the metal panel and the foamed metal layer are in vulcanization connection by a rubber layer. According to the shock-resistant energy-absorbing material, and rubber is adopted as a connecting body for integrally molding the metal panel and the foamed metal layer to prepare the novel shock-resistant energy-absorbing material; the three materials are different in elasticity and plasticity and can form a layer-by-layer protective system, stress waves, mechanical force and cracks on the former plate layer cannot be transmitted to the next plate layer, shock waves penetrate into gaps for multiple times, reflection is generated at the position of a gap interface, the damage of the shock waves to the whole composite board can be reduced and the shock-resistant energy-absorbing performance of the material is improved; the shock-resistant energy-absorbing material has good shock-resistant, energy-absorbing and damping vibration attenuation properties, the functional structure integration and the preparation process engineering are achieved, and the purposes that the anti-aging effect is achieved, the process is simplified and the production efficiency is improved are achieved.

Description

technical field [0001] The invention belongs to the technical field of protective materials, in particular to a shock-resistant energy-absorbing material and a preparation method thereof, which are used in the field of detonation-proof protective materials for police cars, banknote transport vehicles and special vehicles, civil transportation vehicles, rail transit, building structures, etc. The field of anti-shock, vibration-reducing and energy-absorbing protective materials, and the field of anti-vibration cushioning and protective materials for explosion and impact effects such as aerospace vehicles, mechanical facilities, and packaging engineering. Background technique [0002] New impact-resistant and energy-absorbing structural materials are a class of new materials proposed in recent years, and their appearance has important practical value for the selection of materials and their performance research. Different configurations of new impact-resistant and energy-absorb...

Claims

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Application Information

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IPC IPC(8): B32B15/01B32B7/10
CPCB32B7/10B32B15/01B32B2307/552B32B2307/558B32B2307/56
Inventor 王进华曹贺全胡勤杨波汪缨郑之阳吕娟邢志媛王旭东杨忠平张涛
Owner CHINA WEAPON SCI ACADEMY NINGBO BRANCH
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