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High-speed impact resistance composite material

A composite material and high-speed impact technology, applied in the field of composite materials, can solve the problem of poor interlaminar shear and bending resistance of composite materials, affecting the performance and range of use of composite materials, and the decline of shear and bending resistance of composite materials and other problems, to achieve the effects of excellent kinetic energy absorption capacity of the projectile, improved shear resistance and bending resistance, and high kinetic energy absorption capacity

Active Publication Date: 2014-03-26
ZHEJIANG SCI-TECH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, fiber-reinforced composite materials with low resin content lead to a decrease in the shear and bending resistance of the composite material. The lower the resin content, the worse the interlaminar shear and bending resistance of the composite material, which affects the performance and bending resistance of this type of composite material. scope of use

Method used

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  • High-speed impact resistance composite material

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Such as figure 1 The structure shown is designed for high velocity impact resistant composites. The interlayer hybrid composite material of the impact surface layer adopts glass fiber fabric (G) / aramid fiber 1414 fiber fabric (K) vinyl ester resin interlayer hybrid composite material, the resin content is 40%, and the interlayer hybrid order is G / G / G / K / K / K, ply angle 0 / 90 / 0 / 90 / 0 / 90. The quality of the organic high-performance fiber aramid 1414 in the surface layer accounts for 48.8% of the total reinforced fabric quality. The fabric specification is 210g / m 2 S-2 plain weave fiberglass fabric, 200g / m2 kevlar129 plain weave fabric. The interlayer hybrid composite material of the back impact surface layer adopts carbon fiber fabric (C) / ultra-high molecular weight polyethylene fabric (E) vinyl ester resin interlayer hybrid composite material, the resin content is 40%, and the interlayer hybrid order is C / C / E / E / E / E, ply angle 0 / 90 / 0 / 90 / 0 / 90. The quality of the organi...

Embodiment 2-5

[0031] The materials and structures of the high-speed impact-resistant composite materials of Examples 2 to 5 are shown in Table 2.

[0032] Table 2 Example 2-5 high-speed impact-resistant composite material

[0033]

[0034] Note: C stands for carbon fiber, G stands for glass fiber, K stands for aramid 1414 fiber, E stands for ultra-high molecular weight polyethylene fiber, P stands for polyphenylene benzobisoxazole (PBO) fiber

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Abstract

The invention discloses a high-speed impact resistance composite material. An impact surface facing layer, a middle core layer and an impact surface backing layer form a sandwich composite material structure, the core layer consists of microporous materials, the impact surface facing layer and the impact surface backing layer of the sandwich structure composite material are respectively formed by laminating at least four layers of inorganic fiber layers and organic fiber layers, the resin mass content of the inorganic fiber layers is 10 to 40 percent, the inorganic fiber layers need to be near the impact surface facing layer, and the impact surface facing layer, the impact surface backing layer and the core layer are bonded through adhesives. The high-speed impact resistance composite material has the advantages that dynamical anisotropy differences of various high-performance fibers are utilized, and an interlayer hybrid mode is adopted for preparing a surface layer composite material, so the composite material has light weight and excellent elastic body kinetic energy absorption capability; an impact surface facing and impact surface backing asymmetric mode is adopted for designing the sandwich structure composite material, high kinetic energy absorption capability of the composite material is ensured, and the anti-shearing and anti-bending capability of the composite material are also improved.

Description

technical field [0001] The invention relates to composite materials, in particular to a high-speed impact-resistant composite material. Background technique [0002] High-performance fiber (glass fiber, carbon fiber, ultra-high molecular weight polyethylene, aramid 1414 fiber or PBO fiber) due to its high specific strength, high specific modulus, etc., high-performance fiber-reinforced composite materials have excellent performance per unit weight or areal density. High impact energy absorption capacity, so it has very important applications in the fields of personal protection, armor, protective engineering and so on. [0003] The mechanical properties of fiber materials are anisotropic, that is, the mechanical properties along the axial direction of the fiber are generally better than those along the transverse direction of the fiber, and the tensile properties in the axial direction are generally better than the compressive properties in the axial direction. The anisotro...

Claims

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Application Information

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IPC IPC(8): B32B27/04B32B27/12B32B33/00
Inventor 张华鹏柴晓明朱海霖陈建勇
Owner ZHEJIANG SCI-TECH UNIV
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