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A kind of ti-al intermetallic compound micro-laminated composite armor and its preparation method

A technology of intermetallic compounds and micro-lamination, which is applied to the structure of armor, protective equipment, armor plates, etc., can solve the problems of low hardness, plastic deformation, etc., and achieve high interface bonding strength, integrity maintenance, and good penetration ability Effect

Active Publication Date: 2022-03-15
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the diameter of the crater on the front of the target plate is the same as that of the projectile and plastic deformation occurs, indicating that the Ti-Al 3 The hardness of Ti-Al laminated composites is lower than that of projectiles

Method used

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  • A kind of ti-al intermetallic compound micro-laminated composite armor and its preparation method
  • A kind of ti-al intermetallic compound micro-laminated composite armor and its preparation method
  • A kind of ti-al intermetallic compound micro-laminated composite armor and its preparation method

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Effect test

Embodiment 1

[0038] Embodiment 1: A kind of Ti-Al intermetallic compound micro-lamination composite armor, described Ti-Al intermetallic compound micro-lamination composite armor is made of Ti-AlTi and Ti-Al 3 Ti-Al intermetallic compound micro-laminated composite armor composed of Ti-Al laminated composite materials, in which: Ti-AlTi laminated composite material is used as the armor front plate, Ti-Al 3 The Ti-Al laminated composite material is used as the armored rear plate, and the armored front plate and the armored rear plate are connected by diffusion welding; the thickness ratio of the armored front plate to the armored rear plate is 3:1.

[0039] The specific preparation method of Ti-AlTi laminated composite material is as follows:

[0040] (1) Acid and alkali cleaning TC 4 , Al foil: 0.15mm thick TC 4 Foil, 0.1mm thick Al foil is cut according to the size of 100×100mm; the cut TC 4 The foil was treated in an acid solution prepared by HF and water at a volume ratio of 1:20, and...

Embodiment 2

[0061] Embodiment 2: The difference between this embodiment and specific embodiment 1 is: TC 4 The thickness of the foil is 0.3 mm, the thickness of the Al foil is 0.2 mm, and other steps and parameters are the same as those in the first embodiment.

Embodiment 3

[0062] Example 3: The difference between this embodiment and the first embodiment is that the highest temperature for preparing the Ti-AlTi laminated composite material is 1300° C., and other steps and parameters are the same as the first embodiment.

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Abstract

The invention belongs to the technical field of armor protection, and provides a Ti-Al intermetallic compound micro-laminated composite armor and a preparation method thereof in order to improve the penetration resistance of titanium-aluminum intermetallic compound laminated composite armor. By Ti‑AlTi and Ti‑Al 3 Ti-Al intermetallic compound micro-laminated composite armor composed of Ti-Al laminated composites, wherein: Ti-AlTi laminated composites are used as armor front plate, Ti-Al 3 The Ti‑Al laminated composite material is used as the armored rear plate, and the armored front plate and the armored rear plate are connected by diffusion welding; the thickness ratio of the armored front plate to the armored rear plate is 3:1‑4:1. Combining the high hardness, high stiffness and good anti-fragmentation penetration ability of the bombardment surface with Ti‑AlTi laminated composite materials and Ti‑AlTi 3 Ti-Al laminated composite material has the advantages of high toughness and high energy absorption, excellent buffering and suppression ability to fragment impact, and excellent penetration resistance.

Description

technical field [0001] The invention belongs to the technical field of armor protection, in particular to a Ti-Al intermetallic compound micro-laminated composite armor and a preparation method thereof. Background technique [0002] With the rapid development of science and technology, personnel and equipment are facing more and more threats on the battlefield, and the performance requirements for armor protection materials are getting higher and higher. At present, armor materials are moving towards high hardness, high strength, high toughness, and low density. direction development. Ti-Al 3 Ti laminated composites combining ductile metallic Ti and brittle intermetallic Al 3 Ti has the advantages of low density, high modulus, and high fracture toughness, and has great application prospects in the field of armor protection. It is worth noting: Since Al 3 The large difference in thermal expansion coefficient between Ti and Ti, Ti-Al 3 In the process of cooling Ti laminat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F41H5/04
CPCF41H5/0442
Inventor 原梅妮马健韩方洲郑丽荣张国庆王凯魏泽源姚宇航李立州姚磊斌辛乐
Owner ZHONGBEI UNIV
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