Metal-based composite material and preparation method thereof

A composite material, metal-based technology, applied in metal processing equipment, manufacturing tools, welding equipment and other directions, can solve the problems of being susceptible to environmental pollution, low preparation efficiency, poor mechanical properties, etc., to achieve high bonding performance, improve service life, The effect of improving performance

Inactive Publication Date: 2021-07-09
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the objectives of the present invention is to provide a method for preparing metal matrix composites, which aims at the deficiencies in the prior art, such as the prepared material has hole defects, poor mechanical properties, low preparation efficiency and is susceptible to environmental problems. Contamination and other issues, by reducing the welding interface between layers, building the material as a whole, and forming a three-dimensional structure with holes on it, and adding composite material particles in the holes, to obtain a metal matrix composite material with excellent performance

Method used

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  • Metal-based composite material and preparation method thereof
  • Metal-based composite material and preparation method thereof
  • Metal-based composite material and preparation method thereof

Examples

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Effect test

Embodiment 1-6

[0047] The metal matrix composites of Examples 1-6 were prepared using the following steps:

[0048] (1) Metal powder is formed into a substrate with holes by using laser directional forming technology, and the type of metal powder used can refer to Table 1. When performing laser directional forming technology to 3D print metal powder, the model structure can be designed first. For example, the length and width of the holes and the base material can be set first. The specific structure settings can refer to Table 2.

[0049] (2) Add composite material particles into the holes, the composite particles used can refer to Table 1.

[0050] (3) Friction stir processing is performed on the base material to fuse the base material and composite material particles to obtain a metal matrix composite material.

[0051] In addition, it should be noted that, in some embodiments, the substrate in this technical solution may be a three-dimensional structure uniformly distributed throughout. ...

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Abstract

The invention discloses a preparation method of a metal-based composite material. The preparation method comprises the following steps: (1) forming metal powder into a base material with holes by using a laser directional forming technology; (2) adding composite material particles into the holes; and (3) carrying out stirring friction machining on the base material so as to fuse the base material and the composite material particles, and obtaining the metal-based composite material. In addition, the invention further discloses the metal-based composite material which is prepared by adopting the preparation method.

Description

technical field [0001] The invention relates to a material and a preparation method thereof, in particular to a metal material and a preparation method thereof. Background technique [0002] Metal matrix composite (Metal Matrix Composite, MMC for short) is a composite material that is artificially combined with metal and its alloy as the matrix, and one or several metal or non-metal reinforcements. Most of the reinforcing materials used in metal matrix composites are inorganic non-metals, such as ceramics, carbon, graphite and boron. Metal matrix composites are characterized by high transverse and shear strength, good comprehensive mechanical properties such as toughness and fatigue in terms of mechanics, and also have the advantages of thermal conductivity, electrical conductivity, wear resistance, small thermal expansion coefficient, and good damping. In addition to aluminum and magnesium, the metal matrix used in metal matrix composites also includes ferrous metals titan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/12B23K20/26B23P15/00B22F3/105B22F3/11
CPCB22F3/11B23K20/1245B23K20/26B23P15/00B22F3/105B23K20/12
Inventor 徐世伟唐伟能谢玉秦云王快社王文
Owner BAOSHAN IRON & STEEL CO LTD
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