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Copper-based composite material for medicine-type cover and preparation method thereof

A copper-based composite material and drug-type cover technology, which is applied in the direction of chemical instruments and methods, layered products, metal layered products, etc., can solve the problems of complex preparation technology and low deposition speed, and achieve simple and reasonable process and high bonding strength. High, wide range of effects

Inactive Publication Date: 2016-03-02
周旭红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is based on fine copper powder or 6-6-3 copper powder, plus an appropriate amount of metal powder, non-metal powder or other alloy powder and molding agent, and is made by mixing, pressing, sintering and finishing; Publication No. CN2212467 "Shaped Energy Perforating Bullet Metal Powder Line Cover Spinning Device" patent introduces a shaped energy perforating bullet metal powder liner spinning forming device; and Publication No. CN87207936 "High The patent of "Perforating Ammunition Drug-type Cover without Pestle Blocking", adopts a double-layer structure composite cover, the inner layer is a stamping cover, and the outer layer is a powder pressing cover, which is pressed with a special mold. It adopts double-layer separate preparation technology Complicated, and has not got rid of the dependence on powder metallurgy technology; there is also a patent with the publication number of CN1410600A "Drug Cover Electroforming Manufacturing Process and Device", which uses the principle of cathodic electrodeposition to prepare pure metal drug covers, and its disadvantages It can only prepare pure metal parts, and has disadvantages such as low deposition speed

Method used

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  • Copper-based composite material for medicine-type cover and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0027] Select three copper plates with a size of 1.0×100×200㎜, and three pure molybdenum plates with a size of 2.0×100×200㎜; firstly, measure the thickness deviation of these six pieces, and measure the thickness deviation of >±0.05㎜ Grinding the surface of the material on the grinding machine, so that the flatness and thickness deviation of the material are ≤±0.05㎜; select 2000# water grinding sandpaper to polish the surface of the copper plate, and then use a polishing cloth to brighten the polished surface, so that The surface roughness is better than Ra0.05μm, and then the surface of the pure molybdenum plate is polished with 1000#, 1500#, 2000# water-grinding sandpaper, and then polished with a polishing cloth to make the surface roughness reach Ra0.1μm; The treated red copper and pure molybdenum plates are stacked alternately, and then placed in a diffusion welding furnace for diffusion welding. The welding process is: 20MPa diffusion welding pressure, 900°C diffusion wel...

Embodiment 2

[0029]Select four copper plates with a size of 2.0×100×200㎜, and four pure tungsten plates with a size of 1.0×100×200㎜; firstly, measure the thickness deviation of these eight pieces, and measure the thickness deviation of >±0.05㎜ Grinding the surface of the material on the grinding machine, so that the flatness and thickness deviation of the material are ≤±0.05㎜; select 2000# water grinding sandpaper to polish the surface of the copper plate, and then use a polishing cloth to brighten the polished surface, so that The surface roughness is better than Ra0.05μm, and then the surface of the pure tungsten plate is polished with 1000#, 1500#, 2000# water-grinding sandpaper in turn, and then polished with a polishing cloth to make the surface roughness reach Ra0.1μm; The treated red copper and pure tungsten plates are stacked alternately, and then placed in a diffusion welding furnace for diffusion welding. The welding process is: placed in a vacuum diffusion welding furnace, with a...

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Abstract

The invention discloses a refractory copper alloy material for a shaped charge liner. Copper, tungsten, molybdenum and tantalum are compounded through a solid-phase welding method, multi-lamination material is formed, then large-plasticity deformation is exerted on the multi-lamination material, the copper and the refractory metal are blended to form a pseudo-alloy phase, and the pseudo-alloy material has the properties of high density, high velocity of sound, good thermal conductivity, high dynamic elongation at break and the like. Compared with an existing material and an existing preparation method, the copper-based composite material for the shaped charge liner and a preparation method have the advantages that non-powder metallurgy preparation is provided, technological process is short, the shaped charge liner is easy to machine and shape, and the copper-based composite material and the preparation method are very suitable for production and manufacturing of the shaped charge liner.

Description

technical field [0001] The invention discloses a copper-based composite material for a drug-type cover and a preparation method thereof, belonging to the technical field of composite metal materials. Background technique [0002] With the deepening of research on weapons such as armor-piercing bullets and penetrating bullets, and civilian products such as petroleum perforating bullets, the explosive energy-gathering effect of drug-shaped shells has attracted more and more attention from researchers from various countries. The energy-gathering effect of the drug-shaped cover is a powerful metal jet formed by the shock wave generated by the explosion reaching the drug-shaped cover and compressing the metal strongly, which makes the micro-elements of the cover move rapidly towards the axis. The material used for the drug-type cover is used as the carrier of the energy-gathering effect, and its performance directly affects the quality of the jet, such as jet density, jet velocit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B32B15/01
Inventor 周旭红
Owner 周旭红