Method for manufacturing metal-based composite materials by aid of 3D (three-dimensional) printing space structures

Abstract

The invention relates to a method for manufacturing metal-based composite materials by the aid of 3D (three-dimensional) printing space structures, and belongs to the technical field of metal-based composite materials. The method includes building stereoscopic models of the space structures by the aid of graphics software and printing the stereoscopic models by the aid of 3D printing machines to obtain plastic templates of the space structures; preparing slurry from ceramic particles and adhesion agents, and filling space structure gaps of the plastic templates with the slurry; drying and gradually heating the plastic templates, removing plastics, and sintering the templates to obtain ceramic particle prefabricated blanks with certain strength and complex space structures; manufacturing the metal-based composite materials by the aid of pressure impregnation technologies such as vacuum suction casting and squeezing casting technologies. The method has the advantages that the composite materials which can be accurately controlled, are varied within large ranges and have the complex space structures can be manufactured by the aid of the method, processes are simple, and mechanical and automatic batch production can be facilitated.

Description

technical field

[0001] The invention relates to a method for preparing a metal matrix composite material by using a 3D printing space structure, and belongs to the technical field of metal matrix composite materials. Background technique

[0002] In mining, building materials, electric power and other fields, the crushing of materials is an important production process, which requires a large amount of wear-resistant parts. There is not much room for performance improvement of traditional wear-resistant materials such as high manganese steel and high-chromium cast iron. The development of new high-performance wear-resistant materials is of great significance to our country. In recent years, ceramic particle (p) reinforced steel matrix composites (MMCs), as a new type of high-performance wear-resistant material, are gradually being used in the industrial field. Toughening the space structure of MMCs has been proved to be an effective measure to improve its plasticity and toug...

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