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Metal matrix composite material composite additive manufacturing device and manufacturing method

A composite material and additive manufacturing technology, applied in the direction of additive manufacturing, additive processing, process efficiency improvement, etc., can solve the problems of coarse microscopic crystal structure, poor mechanical properties of materials, lack of fusion, etc., to improve internal quality and mechanical properties or the effect of mechanical properties

Active Publication Date: 2020-07-31
GUANGDONG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to overcome the defect problems of brittle phase, coarse microscopic crystal structure, pores, lack of fusion, cracks and shrinkage porosity in the metal matrix composite material when preparing the metal matrix composite material in the prior art and the mechanical properties of the material due to internal defects. Poor problem, the present invention proposes a metal matrix composite material composite additive manufacturing device

Method used

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  • Metal matrix composite material composite additive manufacturing device and manufacturing method
  • Metal matrix composite material composite additive manufacturing device and manufacturing method

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Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a metal matrix composite composite additive manufacturing device includes a workbench 1, a cladding laser beam generating mechanism 2 and a pulsed laser beam generating mechanism 3 that are arranged above the workbench 1 and can move along the direction of the workbench. One side of table 1 is provided with powder feeding mechanism 4 for conveying metal powder and non-metal powder; The powder feeding head 7 and the pulse laser beam generating mechanism 3 are provided with a pulse laser head 8 . In this embodiment, the powder feeding mechanism 4 blows the metal powder and non-metal powder through the coaxial powder feeding head 7, and the cladding laser beam generating mechanism 2 generates a cladding laser beam, and cladding the metal powder and non-metal powder with laser The radiation and melting of the beam form a molten pool until it solidifies into a cladding layer; the pulse laser beam generating mechanism 3 emits a pulse laser beam, an...

Embodiment 2

[0033] Such as figure 2 Shown, a kind of metal matrix composite composite additive manufacturing method comprises the following steps:

[0034] S1: According to the preparation requirements of metal matrix composite materials, set the powder feeding rate or powder feeding ratio of several metal material powders and non-metallic reinforcement phase material powders in the powder feeding mechanism 4; Under the blowing action of the coaxial powder feeding head 7, several kinds of component materials are sent to the cladding laser beam action area according to a certain powder feeding ratio;

[0035] S2: According to the preset scanning path of additive manufacturing and filling, the thermal effect generated by the irradiation of the cladding laser beam is used to fuse the mixed material powder to form the cladding layer of the test piece or part;

[0036] S3: While the cladding laser beam is working, the computer adjusts and sets the distance between the cladding laser beam and...

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Abstract

The invention discloses a metal matrix composite material composite additive manufacturing device and manufacturing method. The manufacturing method comprises the following steps of S1: setting powderfeeding rates of a plurality of kinds of metal powder and nonmetal powder in a powder feeding mechanism according to preparation requirements of a metal matrix composite material, and feeding a plurality of component materials into a cladding laser beam action area according to a certain powder feeding proportion under the action of blowing of a coaxial powder feeding head; S2: fusing mixed material powder by utilizing a thermal effect generated by irradiation of a cladding laser beam according to a preset scanning path for additive manufacturing and filling to form a cladding layer of a testpiece or a part; S3: emitting a pulse laser beam at a preset distance from the cladding laser beam, inducing the pulse laser beam to form a shock wave, and impacting the cladding layer area by the shock wave; and S4: stacking cladding layers layer by layer. According to the metal matrix composite material composite additive manufacturing device and manufacturing method, metal matrix composite material test pieces and parts can be prepared with high efficiency, low cost and strong controllability.

Description

technical field [0001] The present invention relates to the technical field of metal-matrix composite material processing, and more specifically, to a metal-matrix composite material composite additive manufacturing device and a manufacturing method. Background technique [0002] Metal matrix composites are composite materials that are artificially combined with metal and its alloys as the matrix and one or several metal or non-metal reinforcements. Due to the performance advantages of high specific strength, wear resistance, high stiffness, high toughness, and high fatigue strength, metal matrix composites are widely used in high-end structural parts, aerospace, electronic information engineering, biomedicine, transportation, automobile industry, and mining development. is playing an increasingly important key role. The preparation methods of metal matrix composites include stirring casting method, powder metallurgy method, spray co-deposition method, in-situ reaction meth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B33Y10/00B33Y30/00B33Y50/02
CPCB22F3/003B33Y10/00B33Y30/00B33Y50/02B22F10/00B22F12/43B22F12/55B22F12/52B22F12/70B22F12/88B22F10/25B22F12/47B22F10/36B22F12/53Y02P10/25
Inventor 李毓洲张永康
Owner GUANGDONG UNIV OF TECH
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