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3D (3-Dimensional) printing method for preparing long-fiber reinforced metal matrix composite material

A technology of 3D printing and composite materials, which is applied in the field of preparing parts with complex shapes and variable cross-sections, can solve the problems of weaving of complex and variable-section parts, and achieve the effect of improving work efficiency and reducing costs.

Active Publication Date: 2015-03-04
ADVANCED MFG TECH CENT CHINA ACAD OF MASCH SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to meet the performance requirements of long fiber reinforced metal matrix composites, ensure fiber continuity, and solve the weaving problem of complex variable cross-section parts

Method used

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  • 3D (3-Dimensional) printing method for preparing long-fiber reinforced metal matrix composite material
  • 3D (3-Dimensional) printing method for preparing long-fiber reinforced metal matrix composite material
  • 3D (3-Dimensional) printing method for preparing long-fiber reinforced metal matrix composite material

Examples

Experimental program
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Effect test

Embodiment 1

[0028] In this embodiment, the method of the present invention is used to make a pulley part of long fiber reinforced metal matrix composite material, and the steps are as follows:

[0029] (1) First establish the 3D CAD model of the pulley such as figure 2 shown;

[0030] (2) Perform layered information processing on the 3D CAD model of the part to obtain the discrete information of the 2D layer;

[0031] (3) According to the two-dimensional layer information of the part obtained in step (2), carry out the design of the 3D printing shape and the three-dimensional weaving path of the fiber;

[0032] (4) According to the layer information of the parts, T300-1k carbon fiber and aluminum alloy are used as forming materials;

[0033] (5) The printing equipment prints a layer of guide columns on the working platform ( image 3 2 shown is the printed guide column);

[0034] (6) The three-dimensional weaving and forming equipment performs three-dimensional weaving of fibers guid...

Embodiment 2

[0039] This embodiment adopts the inventive method to prepare circular parts such as Figure 4 As shown, the difference from Example 1 is that there is no variable cross-section of the parts in this example. In step 4, T300-3k carbon fiber is used. In step 6, the guide column is cylindrical, with a diameter of 1.5mm and a spacing of 1.5mm. The height of each layer is 1mm, and all the others are the same as in Example 1.

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Abstract

The invention discloses 3D (3-Dimensional) printing method for preparing a metal matrix composite material, relates to a technique for preparing a fiber reinforced metal matrix composite material by utilizing a 3D printing forming technology, and aims to solve the problems of inflexible lifting and arrangement for guide posts in a flexible guiding three-dimensional weaving technology, high weaving difficulty for the preforms of components in the long-fiber reinforced metal matrix composite material, complicated technology for the permeating preforms of molten metal in the long-fiber reinforced metal matrix composite material, high cost, low rate of finished products and the like. The main method is as follows: various metals and long fibers are taken as raw materials, the guide posts are printed and formed by adopting the 3D printing forming technology in the process of weaving fiber preforms in a three-dimensional mode, and components are prepared in a layer-by-layer weaving and layer-by-layer printing mode. Through the adoption of the method, the fiber weaving of the long-fiber reinforced metal matrix composite material and the permeating forming of the molten metal are integrated, so that the manufacturing efficiency of components is greatly improved.

Description

technical field [0001] The invention relates to a new process for long fiber reinforced metal matrix composite materials, especially a process method for preparing parts with complex shapes and variable cross-sections by using 3D printing forming technology and three-dimensional weaving forming technology. Background technique [0002] Fiber-reinforced metal matrix composites have excellent comprehensive properties such as light weight, high specific strength, strong wear resistance, high specific modulus, good high temperature resistance, and anti-aging, and have broad application prospects in advanced weapons, aerospace and other fields At the same time, metal matrix composites have gradually penetrated from military and national defense to civilian fields, and now they have been commercialized in many fields such as land transportation, civil aviation, industry, and sports and leisure industries. [0003] At present, the preparation methods of metal matrix composites main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C47/18C22C49/06B22F3/115C22C101/10
Inventor 单忠德刘丰战丽李志坤乔娟娟
Owner ADVANCED MFG TECH CENT CHINA ACAD OF MASCH SCI & TECH
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