Laser 3D printing manufacturing method of metal gradient material

A gradient material and 3D printing technology, applied in the direction of improving process efficiency and energy efficiency, can solve problems such as preparation difficulties, achieve the effects of avoiding waste, saving raw materials, and improving work efficiency

Inactive Publication Date: 2015-03-25
彭晓领
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the problem of difficult preparation in the traditional preparation method of metal gradient

Method used

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  • Laser 3D printing manufacturing method of metal gradient material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The steps of the present invention are:

[0042] 1) modeling

[0043] Establish a computer three-dimensional model diagram of the metal gradient material; slice the model diagram into a series of plane graphics with a thickness of 10 μm according to the actual design requirements; divide the plane graphics into a series of 30 μm trajectory lines; generate laser and feeding materials according to the trajectory lines The scan path of the device;

[0044] 2) Calculate the ratio

[0045] According to the composition design requirements of the gradient material, calculate the component distribution ratio of different positions of the functionally graded structure, and input it into the computer as a variable to control the powder feeding ratio of different positions during printing;

[0046] 3) Set print parameters

[0047] Set the laser power to 200W, the printing speed to 0.2m / s, and the powder feeding volume to 0.06mm 3 / s;

[0048] 4) Powder delivery

[0049] Put ...

Embodiment 2

[0054] The steps of the present invention are:

[0055] 1) modeling

[0056] Establish a computer three-dimensional model diagram of the metal gradient material; slice the model diagram into a series of planar figures with a thickness of 40 μm according to the actual design requirements; divide the planar figures into a series of trajectory lines of 100 μm; generate laser and feeding materials according to the trajectory lines The scan path of the device;

[0057] 2) Calculate the ratio

[0058] According to the composition design requirements of the gradient material, calculate the component distribution ratio of different positions of the functionally graded structure, and input it into the computer as a variable to control the powder feeding ratio of different positions during printing;

[0059] 3) Set print parameters

[0060] Set the laser power to 200W, the printing speed to 0.1m / s, and the powder feeding volume to 0.4mm 3 / s;

[0061] 4) Powder delivery

[0062] Put...

Embodiment 3

[0067] The steps of the present invention are:

[0068] 1) modeling

[0069] Establish a computer three-dimensional model diagram of the metal gradient material; slice the model diagram into a series of plane graphics with a thickness of 80 μm according to the actual design requirements; divide the plane graphics into a series of 200 μm trajectory lines; generate laser and feeding materials according to the trajectory lines The scan path of the device;

[0070] 2) Calculate the ratio

[0071] According to the composition design requirements of the gradient material, calculate the component distribution ratio of different positions of the functionally graded structure, and input it into the computer as a variable to control the powder feeding ratio of different positions during printing;

[0072] 3) Set print parameters

[0073] Set the laser power to 400W, the printing speed to 0.01m / s, and the powder feeding volume to 0.16mm 3 / s;

[0074] 4) Powder delivery

[0075] Pu...

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Abstract

The invention provides an efficient, easy and convenient laser 3D printing manufacturing method of a metal gradient material. The laser 3D printing manufacturing method comprises the steps that (1) a computer three-dimensional diagrammatic sketch of the metal gradient material is built, and a scanning path is built; (2) component ratios of different positions are calculated; (3) corresponding printing parameters are set; (4) raw material powder is fed into a powder conveying barrel; (5) printing equipment is started to carry out laser 3D printing, a feeder carries out feeding according to the set track, the component ratios and speed, meanwhile, a laser device caries out laser cladding on the metal powder, the metal powder forms a whole through melting and solidification, printing is carried out row by row to form a face according to a trace, and printing is carried out layer by layer to form the three-dimensional metal gradient material. The laser 3D printing manufacturing method has the advantages that the raw material component ratios of different positions are strictly controlled through a computer, and therefore gradient distribution of components is achieved in a real sense; powder feeding and melting and solidification are completed at the same time through laser 3D printing, and work efficiency is improved; the 3D printing technology is a material increasing manufacturing method, and compared with a traditional process, raw materials are saved.

Description

technical field [0001] The invention relates to a material preparation method, in particular to a laser 3D printing preparation method of a metal gradient material. Background technique [0002] Functionally graded materials (FGM) refer to a class of heterogeneous composite materials whose composition structure and properties change continuously or quasi-continuously in the thickness or length direction of the material. Due to its excellent performance and the novel material design idea it embodies, once it is proposed, it immediately attracts the attention of material scientists from all over the world and conducts research on it. So far, some basic research methods have been explored and implemented. Many systems of gradient functional material systems have been prepared. [0003] At present, the main preparation methods of functionally graded materials include powder molding, physical vapor deposition (PVD), chemical vapor deposition (CVD), plasma spraying, electroformin...

Claims

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Application Information

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IPC IPC(8): B22F3/105
CPCY02P10/25
Inventor 彭晓领李静徐靖才金顶峰王新庆葛洪良
Owner 彭晓领
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