Nano-composite powder core wire

A nano-composite, powder-cored wire technology, applied in metal material coating process, fusion spraying, coating, etc., can solve the problem of poor anti-corrosion, anti-slip and anti-wear performance, poor safety and reliability, and affecting the service life of marine equipment, etc. problems, to achieve the effect of improving anti-corrosion, anti-skid and anti-wear performance, prolonging service life, enhancing reliability and safety

Inactive Publication Date: 2013-03-27
新乡市布瑞林特机械再制造有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, our country adopts the composite coating system composed of traditional polymer and particle carborundum, which has poor anti-corrosion, anti-slip and anti-wear performance, which seriously affects the service life of marine equipment, and at the same time, its safety and reliability are poor.

Method used

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  • Nano-composite powder core wire
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  • Nano-composite powder core wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Select a 10X0.5 (width 10mm, thickness 0.5mm) aluminum strip, first roll it into a U shape, add 159.5 grams of ultra-fine aluminum powder, 160 grams of nano-titanium dioxide powder, 400 grams of nano-alumina powder, and ultra-fine chromium oxide Put 280 grams of rare earth powder and 5 grams of mixed rare earth powder in a ball mill and mix for 20 minutes, then take the mixed powder and put it into a U-shaped aluminum belt groove, and through the process of closing and drawing, a finished wire with a diameter of 2.0mm is obtained, nanocomposite The quality of the powder core is 25%~27% of the nanocomposite powder core wire.

Embodiment 2

[0015] Select a 10X0.5 (width 10mm, thickness 0.5mm) aluminum strip, first roll it into a U shape, add 50 grams of ultra-fine aluminum powder, 144 grams of nano-titanium dioxide powder, 360 grams of nano-alumina powder, and ultra-fine chromium oxide Put 250 grams of rare earth powder and 10 grams of mixed rare earth powder into a ball mill and mix for 20 minutes, then take the mixed powder and put it into a U-shaped aluminum belt groove, and through the process of closing and drawing, a finished wire material with a diameter of 1.6mm is obtained, nanocomposite The quality of the powder core is 30% of the nanocomposite powder core wire.

Embodiment 3

[0017] Select a 10X0.5 (width 10mm, thickness 0.5mm) aluminum strip, first roll it into a U shape, add 243 grams of ultra-fine aluminum powder, 180 grams of nano-titanium dioxide powder, 450 grams of nano-alumina powder, ultra-fine chromium oxide Put 310 grams of powder and 3 grams of mixed rare earth powder in a ball mill and mix for 20 minutes, then take the mixed powder and put it into a U-shaped aluminum belt groove, and through the process of closing and drawing, a finished wire with a diameter of 2.4mm is obtained, nanocomposite The quality of the powder core is 39%~40% of the nanocomposite powder core wire.

[0018] Use the BRI-400 supersonic arc coating equipment produced by Xinxiang Brilliant Machinery Remanufacturing Co., Ltd. to spray the nanocomposite powder core wire material prepared in Example 1 on the surface of the equipment to form a coating. Arc voltage: 29~32V , working current 175~200A, compressed air pressure 0.5~0.7MPa, spraying distance 180~220mm.

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Abstract

The invention discloses a nano-composite powder core wire. The key points of the technical scheme are that the nano-composite powder core wire consists of a nanometer composite powder core and an outer skin, wherein the nanometer composite powder core accounts for 25-40 percent of the mass of the nano-composite powder core wire; the outer skin is an aluminum strip of which the purity is more than 99.9 percent; the powder core is formed by compounding the following nanometer materials in percentage by weight: 5-24.3 percent of ultrafine aluminum powder of which the granularity is less than 1,000nm, 14.4-18 percent of nanometer titanium dioxide of which the granularity is less than 100nm, 36-45 percent of nanometer alumina powder of which the granularity is less than 100nm, 25-31 percent of ultrafine chromic oxide of which the granularity is less than 100nm and 0.3-1 percent of mischmetal. By the nano-composite powder core wire for coastal equipment with long-acting property, corrosion resistance, skid resistance and abrasion resistance, the coating is prepared by electric arc spraying equipment, so that the nano-composite powder core wire is suitable for coastal areas or offshore equipment, and is suitable for corrosion resistance, skid resistance and abrasion resistance to various steel structures under an atmosphere condition.

Description

technical field [0001] The invention belongs to the field of thermal spraying in material processing engineering, and in particular relates to a nanocomposite powder core wire material. The nanocomposite powder core wire material of the present invention is mainly used for preparing anti-corrosion, anti-skid and anti-wear coatings for steel structures of coastal and offshore various equipment and port facilities under marine climate conditions. Background technique [0002] Due to the harsh marine corrosion environment, steel in the marine environment is prone to electrochemical reactions with the surrounding medium and is severely corroded. At the same time, the steel structure parts of coastal and offshore equipment such as offshore oil platform decks, ship decks, helicopter landing decks and port equipment not only require strong anti-corrosion capabilities, but also have high requirements for anti-skid and anti-wear. At present, our country adopts the composite coating ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/06C23C4/12C23C4/131
Inventor 翟长生魏滔骆毛喜宋希娟翟腾
Owner 新乡市布瑞林特机械再制造有限责任公司
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