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A kind of preparation method of high performance aluminum matrix composite material component

An aluminum-based composite material, high-performance technology, used in metal rolling, devices for coating liquid on the surface, grain processing, etc., can solve the adverse effects of material performance improvement, poor wettability between graphene and aluminum substrates, and inability to No shrinkage cavity, good internal structure compactness, and good interface bonding effect can be achieved by solving the problems of producing shape components

Active Publication Date: 2020-12-08
滨州北海瑞格金属新材料有限公司
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AI Technical Summary

Problems solved by technology

Therefore, graphene is prone to agglomeration in the aluminum matrix, and in addition, the process cannot produce components with complex shapes
The casting stirring method and the pressure infiltration method can form complex components, but in the high temperature liquid melt, the aluminum matrix and graphene are prone to adverse interfacial reactions, forming Al 4 C 3 Brittle phase; and due to the poor wettability of graphene and aluminum substrate, graphene agglomeration is prone to occur, which has an adverse effect on the improvement of material performance

Method used

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  • A kind of preparation method of high performance aluminum matrix composite material component
  • A kind of preparation method of high performance aluminum matrix composite material component
  • A kind of preparation method of high performance aluminum matrix composite material component

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Embodiment Construction

[0071] The present invention will be further described below in conjunction with accompanying drawing:

[0072] figure 1 As shown, it is the surface treatment of aluminum alloy plate and the state diagram of spraying carboxylated graphene on the surface of aluminum alloy plate after surface treatment; the whole set of equipment includes main control cabinet 1, surface treatment room 2, and surface spraying room 3;

[0073] The main control cabinet 1 controls the working state of the surface treatment chamber 2 through the first cable 4 and the second cable 5 on the one hand, and controls the working state of the surface spraying chamber 3 through the first cable 4 and the second cable 5 on the other hand;

[0074] A polyvinyl alcohol liquid storage tank 25 and a deionized water liquid storage tank 26 are respectively provided under the main control cabinet 1; a polyvinyl alcohol liquid inlet valve 27, a polyvinyl alcohol discharge valve, Liquid valve 28; the side wall of deio...

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Abstract

The invention relates to a method for preparing a high-performance aluminum-matrix composite material component, which aims at the existing graphene-reinforced aluminum-matrix composite material preparation methods that graphene is easy to agglomerate in the aluminum matrix, and the aluminum matrix and graphene are prone to adverse interface reactions and other issues, using carboxylated graphene as the reinforcement of the aluminum matrix composite material, after the surface treatment of the aluminum alloy plate, the surface of the aluminum alloy plate after surface treatment is sprayed with carboxylated graphene, hot-pressed and sintered, rolled, and chopped into aluminum alloys Particles and semi-solid direct extrusion casting are used to prepare high-performance aluminum matrix composite components. This preparation method has advanced technology, accurate and detailed data, and the prepared aluminum matrix composite material has good internal structure, no shrinkage cavity, shrinkage porosity defects, fine grains, nearly spherical shape, and carboxylated graphene is uniformly dispersed in the matrix. The interface is well bonded, the tensile strength of the component reaches 385Mpa, the elongation rate reaches 6.4%, and the hardness reaches 113HV. It is an advanced preparation method for high-performance aluminum matrix composite components.

Description

technical field [0001] The invention relates to a method for preparing a high-performance aluminum-based composite material component, and belongs to the technical field of non-ferrous metal composite material component preparation. Background technique [0002] As a lightweight structural material, aluminum alloy meets the development requirements of lightweight products, and has been widely used in aerospace, electronic products, automobile industry and other fields. However, due to the low comprehensive performance of traditional aluminum alloy materials, its use in high-end products is restricted. Aluminum matrix composites can effectively overcome the shortcomings of traditional aluminum alloys such as low hardness, low modulus, low strength, and poor wear resistance, and are expected to be popularized and applied in the preparation of high-performance components. [0003] Traditional aluminum matrix composite reinforcements include particles, fibers, and whiskers, whi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/02C22C1/10B22D18/02B21B3/00B02C18/00B05D7/14B05B16/00B05B13/02
CPCC22C1/101C22C1/1036B22D18/02B21B3/00B02C18/00B05D7/14B05B16/90B05B13/0264B05D2202/25B05D2451/00B21B2003/001C22C1/12
Inventor 陈利文侯华李沐奚李利民赵宇宏李静怡李志强
Owner 滨州北海瑞格金属新材料有限公司
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