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Ceramic powder reinforced multilayer metal and intermetallic compound composite structure and preparation method thereof

A technology of intermetallic compounds and ceramic powders, applied in chemical instruments and methods, armor plate structures, metal layered products, etc., can solve problems such as low protection coefficient, structural design defects, and poor ability to resist multiple bullets, and achieve Avoid protection failure, good compactness, and delay premature failure

Pending Publication Date: 2020-07-24
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of traditional ceramics and ceramic composite armor protection materials such as poor anti-multiple bullets, obvious structural design defects and low protection coefficient, the invention provides a ceramic powder reinforced multilayer metal and intermetallic compound composite structure and its preparation method

Method used

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  • Ceramic powder reinforced multilayer metal and intermetallic compound composite structure and preparation method thereof
  • Ceramic powder reinforced multilayer metal and intermetallic compound composite structure and preparation method thereof
  • Ceramic powder reinforced multilayer metal and intermetallic compound composite structure and preparation method thereof

Examples

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Embodiment 1

[0032] Example 1: A ceramic powder reinforced multilayer metal and intermetallic compound composite structure and its preparation method:

[0033]The ceramic powder reinforced multilayer metal and intermetallic compound composite structure is a multilayer structure, which is composed of metal plates and ceramic metal plates alternately stacked, and the interface is compounded by hot pressing and diffusion, and the relative melting point of the metal in the ceramic metal plates is higher than Metal in sheet metal. The ceramic metal plate is spray-coated by tungsten carbide ceramic powder on a 1mm thick TC4 titanium alloy metal plate at strip-like intervals, wherein the thickness of the strip-shaped ceramic layer is 0.5mm, and the spacing distance is greater than the width of the ceramic powder layer by 3mm. The density of the ceramic layer is 95%.

[0034] The multilayer structure includes 6 composite units. A layer of 0.3mm aluminum plate is placed between two composite unit...

Embodiment 2

[0042] Example 2: A ceramic powder reinforced multilayer metal and intermetallic compound composite structure and its preparation method:

[0043] The ceramic powder reinforced multilayer metal and intermetallic compound composite structure is a multilayer structure, which is composed of metal plates and ceramic metal plates alternately stacked, and the interface is compounded by hot pressing and diffusion, and the relative melting point of the metal in the ceramic metal plates is higher than Metal in sheet metal. The ceramic metal plate is spray-coated on a 10mm thick AZ31 magnesium alloy metal plate by tungsten carbide ceramic powder at strip-like intervals, wherein the thickness of the strip-shaped ceramic layer is 3mm, and the spacing distance is greater than the width of the ceramic powder layer by 8mm. The density of the ceramic layer is 90%.

[0044] The multilayer structure includes 8 composite units. A layer of 5mm magnesium metal plate is placed between the two com...

Embodiment 3

[0052] Example 3: A ceramic powder reinforced multilayer metal and intermetallic compound composite structure and its preparation method:

[0053] The ceramic powder reinforced multilayer metal and intermetallic compound composite structure is a multilayer structure, which is composed of metal plates and ceramic metal plates alternately stacked, and the interface is compounded by hot pressing and diffusion, and the relative melting point of the metal in the ceramic metal plates is higher than Metal in sheet metal. The ceramic metal plate is spray-coated on a 0.2 mm thick pure titanium metal plate by tungsten carbide ceramic powder at strip intervals, wherein the thickness of the strip ceramic layer is 0.1 mm, and the interval distance is greater than the width of the ceramic powder layer by 1 mm. The density of the strip ceramic layer is 99.9%.

[0054] The multilayer structure includes 4 composite units. A layer of 0.1mm TC is placed between the two composite units 4 Titan...

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Abstract

The invention discloses a ceramic powder reinforced multilayer metal and intermetallic compound composite structure and a preparation method thereof, and belongs to the technical field of structure and functional composite material preparation. The ceramic powder reinforced multilayer metal and intermetallic compound composite structure is of a multi-layer structure and is formed by alternately stacking metal plates and ceramic metal plates and achieving interface compounding through hot-pressing diffusion, and the relative melting point of metals in the ceramic metal plates is higher than that of metals in the metal plates. Ceramic powder is sprayed on the surfaces of the metal plates at intervals in a long strip shape to obtain ceramic metal plates. The multi-layer structure comprises Ncomposite units, and N is not less than 2. A layer of metal plate is placed between the two composite units, each composite unit is of a three-layer structure, the upper layer and the lower layer arethe ceramic metal plates, and the middle layer is a metal plate. The ceramic powder reinforced multilayer metal and intermetallic compound composite structure has a multi-layer gradient organization structure and a multi-layer performance gradient response mechanism, excellent energy absorption and impact resistance are shown, and the preparation process is suitable for large-size protective armors integrated forming with complex shapes and has good application prospects.

Description

technical field [0001] The invention belongs to the technical field of preparation of structural and functional composite structures, and in particular relates to a ceramic powder reinforced multilayer metal and intermetallic compound composite structure and a preparation method thereof. Background technique [0002] Since the emergence of the concept of armor protection, people have been looking for materials with excellent ballistic protection performance. Ceramic materials have been widely studied and applied due to their excellent protective properties of high hardness, high modulus, high strength and low density. At present, the mainstream armor structure is ceramic composite armor, and the structure is ceramic panel + metal backplate. In this structure, the wave impedance difference between the ceramic and metal interfaces is too large, resulting in a large reflected stretching wave, and the ceramic is severely broken, which affects the protection ability of the ceram...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/01B32B37/06B32B37/10B32B37/00B32B33/00F41H5/04
CPCB32B15/01B32B33/00B32B37/00B32B37/06B32B37/10B32B2255/06B32B2255/20B32B2571/02F41H5/0421F41H5/0442
Inventor 周秉文张兴国孟令刚景栋亚斌
Owner DALIAN UNIV OF TECH
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