Reticular film reinforced aluminum-based material and preparation method thereof

A technology for reinforcing aluminum-based and reticulated films, applied in the field of high-performance aluminum alloy composite materials, can solve problems such as particle reinforcement agglomeration, and achieve the effects of improving bonding strength, improving mechanical properties, and ensuring mechanical strength.

Active Publication Date: 2021-07-23
苏州创泰合金材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The excellent performance of particle-reinforced aluminum matrix composites has been recognized by the market, but there are still some problems that need to be solved urgently, such as the interface reaction between the reinforcement and the matrix, compatibility issues, and the agglomeration of particle reinforcement.

Method used

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  • Reticular film reinforced aluminum-based material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The preparation method of SiC reinforced modified mesh electrospinning membrane comprises the following steps:

[0036] (1) Dissolve a certain amount of cellulose powder, PVA and NaCl in water, stir to dissolve, and then ultrasonically disperse to obtain a 3.2wt% cellulose electrospinning solution;

[0037] (2) dissolving ethyl orthosilicate in acidic aqueous solution, then adding ethanol, the mass ratio of ethyl orthosilicate and acidic aqueous solution is 1:3, and the final volume ratio of described ethanol and acidic aqueous solution is 1:4, After stirring evenly, place it in an oven for hydrolysis to obtain a sol electrospinning solution with a certain viscosity;

[0038] (3) The electrospinning solution prepared in step (1) and step (2) is electrospun with coaxial double nozzles, wherein the cellulose electrospinning solution is used as the core layer, and the sol electrospinning solution is used as the cortex , to obtain an electrospinning film, wherein, the para...

Embodiment 2

[0042] The preparation method of SiC reinforced modified mesh electrospinning membrane comprises the following steps:

[0043] (1) Dissolve a certain amount of cellulose powder, PVA and NaCl in water, stir to dissolve, and then ultrasonically disperse to obtain a 6.5wt% cellulose electrospinning solution;

[0044] (2) dissolving ethyl orthosilicate in acidic aqueous solution, then adding ethanol, the mass ratio of ethyl orthosilicate and acidic aqueous solution is 1:5, and the final volume ratio of described ethanol and acidic aqueous solution is 1:2, After stirring evenly, place it in an oven for hydrolysis to obtain a sol electrospinning solution with a certain viscosity;

[0045] (3) The electrospinning solution prepared in step (1) and step (2) is electrospun with coaxial double nozzles, wherein the cellulose electrospinning solution is used as the core layer, and the sol electrospinning solution is used as the cortex , to obtain an electrospun film, wherein, the paramete...

Embodiment 3

[0049] The preparation method of SiC reinforced modified mesh electrospinning membrane comprises the following steps:

[0050] (1) Dissolve a certain amount of cellulose powder, PVA and NaCl in water, stir to dissolve, and then ultrasonically disperse to obtain a concentration of 4.4wt% cellulose electrospinning solution;

[0051] (2) dissolving ethyl orthosilicate in acidic aqueous solution, then adding ethanol, the mass ratio of ethyl orthosilicate and acidic aqueous solution is 1:3, and the final volume ratio of described ethanol and acidic aqueous solution is 1:4, After stirring evenly, place it in an oven for hydrolysis to obtain a sol electrospinning solution with a certain viscosity;

[0052] (3) The electrospinning solution prepared in step (1) and step (2) is electrospun with coaxial double nozzles, wherein the cellulose electrospinning solution is used as the core layer, and the sol electrospinning solution is used as the cortex , to obtain an electrospinning film, ...

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Abstract

The invention provides a reticular film reinforced aluminum-based material. The material comprises a SiC reinforced modified reticular electrostatic spinning film and an Al-based mixed material. The length and width of the SiC reinforced modified reticular electrostatic spinning film are both smaller than 1 mm, the thickness of the SiC reinforced modified reticular electrostatic spinning film is smaller than 0.5 mm, or the SiC reinforced modified reticular electrostatic spinning film is of a circular structure with the diameter smaller than 1 mm, the thickness of the SiC reinforced modified reticular electrostatic spinning film is smaller than 0.5 mm, and the porosity of the film is 40-45%. The Al-based mixed material comprises the following components: 6-7% of Si, 0.2-0.5% of Mg, 0.05-0.35% of Fe, 0.02-0.3% of Cu, and the balance of Al. The reinforcement form is different from a previous reinforcement form, the electrostatic spinning film is used for reinforcement, and the advantages of fiber reinforcement and whisker reinforcement are achieved at the same time.

Description

technical field [0001] The invention relates to the technical field of high-performance aluminum alloy composite materials, in particular to a mesh-shaped membrane-reinforced aluminum-based material and a preparation method thereof. Background technique [0002] With the rapid development of modern industry and technology, the requirements for materials in various fields of the country are becoming more and more stringent, and it is difficult for materials with a single property to meet the needs of various special properties, and the emergence of composite materials has solved this problem. Metal matrix composites can fully explore the excellent properties of the matrix and the reinforcement, and at the same time promote each other, overcome the shortcomings of a single material, and compound a new type of material with good comprehensive performance. It has been used in national aerospace, national defense, transportation, etc. Major fields have attracted widespread attent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/06C22C49/14C22C47/14C22C47/06
CPCC22C49/06C22C49/14C22C47/14C22C47/06
Inventor 张建乡孟杰张晓
Owner 苏州创泰合金材料有限公司
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