Method for preparing metal sealed intermetallic compound base lamination composite amour

A technology of intermetallic compounds and metal encapsulation, which is applied in the field of preparing metal-encapsulated intermetallic compound-based laminated composite armor, which can solve problems such as layer spacing, layer thickness ratio is not easy to control, oxides are generated at the interface, and the performance of composite materials is affected. Achieve the effect of high penetration resistance, low production cost and unique process route

Inactive Publication Date: 2016-12-07
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hot rolling composite method requires a small rolling force, low requirements on the rolling mill, relatively simple process, low cost, and the interface of the prepared composite material is firmly bonded, but it is not easy to control the layer spacing and layer thickness ratio during the preparation process , it is also easy to generate oxides on the interface, which affects the performance of composite materials

Method used

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  • Method for preparing metal sealed intermetallic compound base lamination composite amour
  • Method for preparing metal sealed intermetallic compound base lamination composite amour
  • Method for preparing metal sealed intermetallic compound base lamination composite amour

Examples

Experimental program
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Effect test

Embodiment 1

[0047] Preparation of titanium alloy package Ti-Al 3 Ti intermetallic compound-based laminated composite armor: Note that when choosing a metal foil, the length and width of the Ti foil is 10mm larger than that of the Al foil;

[0048] The length, width and thickness of TC4 foil are 300mm, 300mm and 0.027mm respectively;

[0049] The length, width and thickness of Al foil are 290mm, 290mm and 0.027mm respectively;

[0050] (1) Surface treatment of sandpaper polishing and acetone ultrasonic cleaning: the 0.027mm thick metal Ti foil was cut into 300×300mm, and the 0.027mm thick metal Al foil was cut into 290×290 mm, and the number of Ti foil cut was 11 layers , Al foil is 10 layers; then the cut metal foil material is evenly polished with 800 mesh and 1500 mesh sandpaper in turn until a metallic luster appears, and the polished metal foil materials are classified and placed; the glass beaker is pre-cleaned with acetone solution , put the polished metal Ti foil and metal Al foi...

Embodiment 2

[0056] Preparation of aluminum alloy package Al-Al 3 Ti intermetallic compound-based laminated composite armor: Note that when selecting metal foils, Al foils are 10mm larger in length and width than Ti foils;

[0057] The length, width and thickness of TC4 foil are 290mm, 290mm and 0.02mm respectively;

[0058] The length, width and thickness of Al foil are 300mm, 300mm and 0.08mm respectively;

[0059] (1) Surface treatment of sandpaper polishing and acetone ultrasonic cleaning: 0.08 mm thick metal Al foil is cut to 300×300 mm, 0.02 mm thick metal Ti foil is cut to 290×290 mm, and the number of Al foil cutting is 11 layers , Ti foil is 10 layers; then the cut metal foil material is evenly polished with 800 mesh and 1500 mesh sandpaper in turn until it appears metallic luster, and the polished metal foil materials are classified and placed; the glass beaker is pre-cleaned with acetone solution , Put the polished metal Al foil and metal Ti foil into cleaned glass beakers res...

Embodiment 3

[0065] Preparation of Titanium Alloy Encapsulation Ti-Al 3 Ti-Al intermetallic compound-based laminated composite armor: Note that when selecting metal foils, Ti foils are 10mm larger in length and width than Al foils;

[0066] The length, width and thickness of TC4 foil are 300mm, 300mm and 0.027mm respectively;

[0067] The length, width and thickness of Al foil are 295mm, 295mm and 0.054mm respectively;

[0068] (1) Surface treatment of sandpaper polishing and acetone ultrasonic cleaning: cut the 0.027mm thick metal Ti foil to 300×300mm, and the 0.054mm thick metal Al foil to 290×290 mm, and the number of Ti foil cutting is 11 layers , Al foil is 10 layers; then the cut metal foil material is evenly polished with 800 mesh and 1500 mesh sandpaper in turn until a metallic luster appears, and the polished metal foil materials are classified and placed; the glass beaker is pre-cleaned with acetone solution , put the polished metal Ti foil and metal Al foil into cleaned glass ...

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Abstract

The invention discloses a method for preparing a metal sealed intermetallic compound base lamination composite amour. The method comprises the following steps: (1) abrasive paper grinding and acetone ultrasonic cleaning surface treatment: a Ti foil and an Al foil are polished by an abrasive paper to remove surface impurities and oxide layers; and acetone is used for ultrasonically cleaning the Ti foil and the Al foil by 20 minutes for drying; (2) alternate lamination and rolling: a gap between rollers is adjusted, so that a sample alternately laminated by the Ti foil and the Al foil is rolled by two times for compaction, and is molded; (3) sealing and vacuumizing: the cold-rolled Ti foil and the Al foil are sealed by metal foils of 0.01 mm, and are vacuumized; and (4) sintering: the Ti foil and the Al foil are put in a hot pressing furnace for sintering after metal sealing, and are cooled along with a furnace. The method combines cold rolling, vacuum sealing and hot-pressed sintering to prepare the novel metal sealed intermetallic compound base lamination composite amour, and is unique in process circuit, simple, low in production cost and suitable for commercial production.

Description

technical field [0001] The invention relates to a new method for preparing metal-encapsulated intermetallic compound-based laminated composite armor. Background technique [0002] The intermetallic compound-based layered composite material is a new type of layered composite material developed on the basis of the research on the microstructure and strengthening and toughening mechanism of the natural biological material shell, which is composed of ductile metals and brittle intermetallic compounds. This type of composite material has excellent properties of high strength, high modulus, and low density, and has a strong ability to absorb impact energy. The field has broad application prospects. [0003] Developed countries have planned to use Ti-Al for many years 3 Ti intermetallic compound-based matrix composites are used in armor protection systems of aerospace, weaponry and ground combat vehicles. At present, the preparation technologies of this new type of lightweight a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F7/02C22F1/18C22F1/04
CPCB22F7/02C22F1/04C22F1/183
Inventor 原梅妮张国庆张佳庆史明东陈贺贺何小晶
Owner ZHONGBEI UNIV
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