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A method for preparing multi-component synergistically strengthened aluminum matrix composites

An aluminum-based composite material and multi-component technology, which is applied in the field of multi-component synergistically strengthened aluminum-based composite materials, can solve the problems of low comprehensive mechanical properties of cast aluminum-lithium alloys and limit the application in the aerospace field, and achieve accurate data Informative, rigorous process, advanced technology effect

Active Publication Date: 2022-03-01
滨州北海瑞格金属新材料有限公司
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Problems solved by technology

However, the comprehensive mechanical properties of cast Al-Li alloys are relatively low, which limits their application in the aerospace field.

Method used

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  • A method for preparing multi-component synergistically strengthened aluminum matrix composites

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Embodiment Construction

[0074] A method for preparing multi-component synergistically strengthened aluminum matrix composite materials, the chemical materials used are: zinc oxide, talcum powder, water glass, deionized water, aluminum foil, absolute ethanol, argon gas, aluminum powder, titanium powder, Multi-walled carbon nanotubes, aluminum blocks, zinc blocks, aluminum-lithium master alloys, aluminum-copper master alloys, aluminum-yttrium master alloys, aluminum-scandium master alloys, aluminum-magnesium master alloys, and aluminum-zirconium master alloys. , milliliter, and cubic centimeter are the units of measurement

[0075] Zinc oxide: ZnO 80g±1g

[0076] Talc: Mg 3 [Si 4 o 10 ](OH) 2 50g±1g

[0077] Water glass: Na 2 SiO 3 •9H 2 O 25g±1g

[0078] Deionized water: H 2 O 1000mL±50mL

[0079] Aluminum foil: Al 300mm×0.5mm×300mm

[0080] Absolute ethanol: C 2 h 5 OH 3500mL±50mL

[0081] Argon: Ar 800000cm 3 ±100cm 3

[0082] Aluminum powder: Al 90g±1g

[0083] Titanium powder: ...

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Abstract

The invention relates to a method for preparing a multi-component synergistically strengthened aluminum-based composite material. Aiming at the poor mechanical properties of cast aluminum-lithium alloys, different alloy elements and endogenous titanium carbide phases are added to the aluminum-lithium alloys, and the aluminum-lithium alloys are smelted. , argon bottom blowing, electromagnetic stirring, extrusion casting and heat treatment to make a multi-component synergistically strengthened aluminum matrix composite; Up to 485MPa, hardness up to 189Hv, is an advanced multi-component synergistically strengthened aluminum matrix composite material preparation method.

Description

technical field [0001] The invention relates to a method for preparing a multi-component synergistically strengthened aluminum matrix composite material, which belongs to the technical field of nonferrous metal composite material preparation. Background technique [0002] In the history of aerospace development, the requirements for fuselage structural materials have hardly changed, and materials with high strength, low density and high stiffness are still the first choice. However, every 1.0wt% Li added to the aluminum alloy can reduce the density of the final formed aluminum alloy by about 3%. Therefore, aluminum-lithium alloys with the characteristics of low density, high specific strength, high elastic modulus, good corrosion resistance, and good processing and molding have been widely used in the aerospace field. Among them, the cast aluminum-lithium alloy can have a relatively high Li content, and there is no serious anisotropy problem, and can be used to prepare comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/02C22C1/04C22C1/10C22F1/04B22F3/02B22F9/04
CPCC22C1/026C22C1/1084C22C1/0416C22F1/04B22F9/04B22F3/02B22F2009/043
Inventor 田晋忠赵宇宏柏国宁边恒辉田晓林侯华
Owner 滨州北海瑞格金属新材料有限公司
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