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Method for preparing block nanocrystalline alloy material

A nanocrystalline alloy and nanocrystalline material technology, which is applied in the field of preparing bulk nanocrystalline alloy materials by cold pressure welding technology, can solve the problems of difficulty in preparing nano-metal and alloy solids, limited scope of application, and difficulty in obtaining metal amorphous. Achieve low cost, prevent nanocrystal growth, and high efficiency

Active Publication Date: 2014-01-15
昊石新材料科技南通有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology prevents crystal formation while making small particles for use in electronic devices or other applications that require precise placement on specific areas. It allows for efficient production without requiring expensive equipment like lasers or electron beams.

Problems solved by technology

This patented technical problem addressed in the patents relates to improving the quality and efficiency of producing high-strength metamaterial structures with small particles called microparticles due to their ability to enhance certain characteristics like tensile elongations and impact resistance compared to larger ones. These techniques include creation of tiny primary aggregated phases within these microparts, controlled heat treatments, use of specific alloys, control over shape changes, etc., while maintaining strong cohesive forces between them.

Method used

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  • Method for preparing block nanocrystalline alloy material
  • Method for preparing block nanocrystalline alloy material

Examples

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Embodiment 1

[0019] This embodiment specifically implements a method for preparing bulk nanocrystalline aluminum alloy, wherein the aluminum alloy used is 7055, and the thickness of the desired nanocrystalline material is 10mm; the nanocrystalline 7055 aluminum alloy strip prepared by the melt rotation method Place it horizontally on the 7055 aluminum alloy material with a thickness of 5mm and a length and width of 20mm. The surface of the block alloy is flat and has been degreased and derusted in advance. The punch pressurizes cold welding, one welding spot follows the previous welding spot until the base material is fully welded; the positioning mold is made of die steel, the inner hole size section is 0.5mm×0.5mm, the height is 2.5mm, and the pre-loading pressure It is 40MPa; the cold punch is made of die steel, the end face size is 0.5mm×0.5mm, and the height is 3.0mm; the loading stress of pressurized cold welding is 2300MPa, and the loading duration is 0.5s; The position of the solde...

Embodiment 2

[0021] This embodiment specifically implements a method for preparing bulk nanocrystalline aluminum alloy, wherein the aluminum alloy used is 6061, and the thickness of the desired nanocrystalline material is 15mm; the nanocrystalline 6061 alloy strip prepared by the melt rotation method is horizontally Placed on the 6061 aluminum alloy material with a thickness of 10mm and a length and width of 25mm each. The surface of the block alloy is flat and has been degreased and derusted in advance. Pressure cold welding, one welding point follows the previous welding point until the block material is fully welded. Among them, the positioning die is made of die steel, the size of the inner hole is 2.0mm×2.0mm, the height is 4.0mm, and the preloading pressure is 50MPa; the cold punch is made of die steel, the end surface size is 2.0mm×2.0mm, the height 5.0mm; the loading stress of pressurized cold welding is 2000MPa, and the loading duration is 1.5s; the position of the last solder joi...

Embodiment 3

[0023] The present embodiment specifically implements a method for preparing bulk nanocrystalline titanium alloy, wherein the titanium alloy used is Ti6Al4V, and the thickness of the nanocrystalline material desired to be obtained is 12mm; the nanocrystalline Ti6Al4V titanium alloy strip prepared by the melt rotation method Place it horizontally on the Ti6Al4V titanium alloy material with a thickness of 6mm and a length and width of 20mm each. The surface of the block alloy is flat and has been degreased and derusted in advance. Pressurized cold welding, one welding spot followed by the previous welding spot until the base material is fully welded; among them, the positioning mold is made of die steel, the inner hole size section is 1.0mm×1.0mm, the height is 3.5mm, and the pre-loading pressure It is 30MPa; the cold punch is made of die steel, the end surface size is 1.0mm×1.0mm, and the height is 4.0mm; the loading stress of pressurized cold welding is 2500MPa, and the loading...

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Abstract

The invention relates to nanocrystalline alloy, in particular to a method for preparing a block nanocrystalline alloy material through the cold pressure welding technology. A strip-shaped nanocrystalline alloy material is welded to be a block material in a cold mode based on the character that strip-shaped or sheet-shaped alloy materials are combined with a substrate material under huge pressure through acute plastic deformation cold welding. Due to the fact that obvious temperature rising does not exist in the cold pressure welding process, the finally obtained crystalline grains of the block material are not obvious different from original strips and are nanocrystalline.

Description

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Claims

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Application Information

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Owner 昊石新材料科技南通有限公司
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