Ceramic Reinforced fe-cr-b Alloy Composite Material and Its Application and Preparation

A technology of composite materials and alloy materials, applied in the field of ceramic reinforced Fe-Cr-B alloy composite materials, to achieve the effect of improving the protection coefficient, low cost and good impact strength

Active Publication Date: 2022-01-11
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For particle-reinforced metal-ceramic composite armor, the current research mainly focuses on aluminum-based and titanium-based armor, while the research on steel-based armor materials is still rarely reported.

Method used

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  • Ceramic Reinforced fe-cr-b Alloy Composite Material and Its Application and Preparation
  • Ceramic Reinforced fe-cr-b Alloy Composite Material and Its Application and Preparation
  • Ceramic Reinforced fe-cr-b Alloy Composite Material and Its Application and Preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] A bulletproof metal-ceramic composite plate, which adopts a ceramic reinforced Fe-Cr-B alloy composite material to prepare a bulletproof composite armor plate, which can be used for armored vehicles; the ceramic reinforced Fe-Cr-B alloy composite material includes a metal ceramic composite material reinforced block 1 and casting Fe-Cr-B alloy 2;

[0066] The Fe-Cr-B alloy for casting includes: (1) The chemical components contained and the mass percentages of each component are: Si: 0.1%, Mn: 2%, Cr: 18%, B: 0.1%, C: 3%, The balance is Fe and unavoidable impurities; (2) Armor steel, such as 675 armor steel, 30CrNiMnMoB high-strength armor steel, etc. In the present embodiment, what adopt is casting Fe-Cr-B alloy;

[0067] According to the volume ratio, metal-ceramic composite reinforced block: Fe-Cr-B alloy for casting = 1:5;

[0068] The metal-ceramic composite reinforced block 1 includes ceramic reinforced particles (ZTA balls 1-3 in this embodiment) and Fe-Cr-B matr...

Embodiment 2

[0094] A wear-resistant metal-ceramic composite plate, which is a ceramic-reinforced Fe-Cr-B alloy composite material to prepare a wear-resistant metal-ceramic composite blow bar, and the ceramic-reinforced Fe-Cr-B alloy composite material includes a metal-ceramic composite reinforced block 1 and Fe-Cr-B alloy for casting 2; by volume ratio, cermet composite reinforced block: Fe-Cr-B alloy for casting = 1:1.5;

[0095] The chemical composition and the mass percentage of each composition contained in the Fe-Cr-B alloy for casting are: Si: 0.1%, Mn: 7%, Cr: 10%, B: 5%, C: 0.2%, W: 7%, Ti: 3%, the balance is Fe and unavoidable impurities;

[0096] The metal-ceramic composite reinforcement block 1 includes ceramic reinforcement particles (ZTA particles 1-1 in this embodiment) and Fe-Cr-B matrix alloy powder 1-2; the ceramic reinforcement particles are used as a reinforcement phase, and the The above-mentioned Fe-Cr-B matrix alloy powder is used as the matrix, and by volume ratio,...

Embodiment 3

[0118] A bullet-proof metal-ceramic composite board, which uses a ceramic-reinforced Fe-Cr-B alloy composite material to prepare a bullet-proof metal-ceramic composite board, which can be used for bunkers, wherein the ceramic-reinforced Fe-Cr-B alloy composite material includes a metal-ceramic composite material reinforcing block Body 1 and casting Fe-Cr-B alloy 2; wherein, by volume ratio, cermet composite reinforced block: casting Fe-Cr-B alloy = 1:1.5;

[0119] The chemical composition and the mass percentage of each composition contained in the Fe-Cr-B alloy for casting are: Si: 2.5%, Mn: 0.1%, Cr: 10%, B: 1%, C: 1%, W: 7%, Mo: 6%, the balance is Fe and unavoidable impurities;

[0120] The metal-ceramic composite reinforced block 1 includes ceramic reinforced particles (ZTA balls 1-3 in this embodiment) and Fe-Cr-B matrix alloy powder 1-2; the ceramic reinforced particles are used as a reinforcing phase, and the The above-mentioned Fe-Cr-B matrix alloy powder is used as t...

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Abstract

A ceramic reinforced Fe-Cr-B alloy composite material and its application and preparation method belong to the field of alloy composite materials. The ceramic reinforced Fe-Cr-B alloy composite material includes a metal-ceramic composite reinforced block and an alloy material for pouring; between the metal-ceramic composite reinforced block is an alloy material for pouring; the alloy material for pouring is Fe-Cr for pouring ‑B alloy steel or cast iron for armor; the ceramic reinforcement particles in the cermet composite reinforced block are the reinforcement phase, and the ceramic reinforcement particles are evenly dispersed in the Fe‑Cr‑B matrix alloy; during the preparation process, the cermet composite material is reinforced The blocks are evenly placed in the sand mold, and then the pouring alloy material is poured into the gap between the reinforced blocks of the metal-ceramic composite material, and after heat treatment, the performance of the entire bulletproof and / or wear-resistant metal-ceramic composite plate is improved, and No cracks, no obvious voids, segregation and other macroscopic defects.

Description

technical field [0001] The invention belongs to the technical field of alloy composite materials, and in particular relates to a ceramic reinforced Fe-Cr-B alloy composite material and its application and preparation method. The ceramic reinforced Fe-Cr-B alloy composite material is an iron-based armor protection material, which is used for the protection of heavy armor bullets. This material can also be used in civil wear-resistant fields, such as crushing hard materials in cement mines and other industries. Background technique [0002] The research and development of military armor materials has always been a hot issue concerned by various countries, because it is directly related to the lives of soldiers, weapons and equipment, and even the security of the country. With the continuous advancement of science and technology, military armor protection technology has also been continuously improved, and new military materials have become the material basis for the developme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/22C22C38/28C22C38/32C22C38/34C22C38/38B22C9/02B22C9/22B22F3/10C21D1/18C21D6/00C21D9/00C22C33/02
CPCC22C38/02C22C38/38C22C38/32C22C38/22C22C38/34C22C38/04C22C38/28C22C33/0278B22F3/1035B22C9/02B22C9/22C21D1/18C21D6/002C21D6/005C21D6/008C21D9/0081C21D9/0068
Inventor 佟伟平高菁赵迎帆
Owner NORTHEASTERN UNIV LIAONING
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