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A Laser-Induction Hybrid Melting Deposition Method for Fiber Reinforced Metal Matrix Composites

A fiber-reinforced and composite material technology, applied in the direction of additive processing, process efficiency improvement, additive manufacturing, etc., can solve problems that have not been reported in the literature, and achieve high processing efficiency, compact structure, and excellent comprehensive performance.

Inactive Publication Date: 2018-07-20
TIANJIN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no literature report on the preparation of fiber-reinforced metal matrix composites by laser-induction composite melting deposition technology.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Carbon fiber-reinforced iron-based composites were prepared by laser-induction composite melting deposition, in which the carbon fiber diameter is 0.2 μm, and the chemical composition of the iron-based alloy powder is: C0.4wt.%, Si0.7wt.%, Ni9.2wt.%. , Y 2 o 3 2.2wt.%, V2.1wt.%, Cr17.2wt.%, Mn8.5wt.%, the balance is Fe, the size of the carbon fiber reinforced iron-based composite material is tubular with an inner diameter of 30mm, an outer diameter of 60mm, and a height of 200mm Artifacts, the specific implementation process is as follows:

[0021] (1) Use special CAD software to generate a three-dimensional CAD solid model of carbon fiber reinforced iron-based composite parts, and then cut into a number of thin slices parallel to each other with a thickness of 0.5mm, so as to convert the three-dimensional data of the parts into a series of two-dimensional plane data , and generate the scanning path of the laser-induction compound melting heat source on the CNC machin...

Embodiment 2

[0031] The quartz fiber-reinforced nickel-based composite was prepared by laser-induction composite melting deposition, in which the diameter of the quartz fiber was 5 μm, and the chemical composition of the Ni-based alloy powder was: C0.2wt.%, Si2.2wt.%, B1.0wt. %, Nb3.0wt.%, Fe8.0wt.%, Cr2.8wt.%, Ce 2 o 3 0.8%, and the balance is Ni; the size of the quartz fiber reinforced nickel-based composite material is: 50mm (length) × 30mm (width) × 200mm (height), the specific implementation process is as follows:

[0032] (1) Use special CAD software to generate a three-dimensional CAD solid model of quartz fiber reinforced nickel-based composite parts, and then cut into several parallel slices with a thickness of 0.8mm to realize the conversion of the three-dimensional data of the parts into a series of two-dimensional planes data, and generate the scanning path of the laser-induction compound melting heat source on the CNC processing table;

[0033] (2) Coarse, sensitize, activat...

Embodiment 3

[0042] Glass fiber-reinforced aluminum matrix composites were prepared by laser-induction composite melting deposition, in which the diameter of the glass fiber was 10 μm, and the chemical composition of the aluminum matrix alloy powder was: Zn6.2wt.%, Mg2.25wt.%, Cu2.3wt. %, Zr0.1wt.%, Si0.12wt.%, Al 2 o 3 6.2wt.%, the balance is Al; the size of the glass fiber reinforced aluminum matrix composite material is: 60mm (length) × 20mm (width) × 500mm (height), the specific implementation process is as follows:

[0043] (1) Use special CAD software to generate a 3D CAD solid model of glass fiber reinforced aluminum matrix composite parts, and then cut into several thin slices parallel to each other with a thickness of 1.2mm, so as to convert the 3D data of the parts into a series of 2D planes data, and generate the scanning path of the laser-induction compound melting heat source on the CNC processing table;

[0044] (2) Coarse, sensitize, activate and chemically plate the glass...

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Abstract

A method for laser-induction composite melting deposition of fiber-reinforced metal matrix composites, the method is characterized by: (1) firstly generate a three-dimensional model of a fiber-reinforced metal matrix composite part, and then use slicing technology to generate a laser two-dimensional model of the part Processing route; (2) Coarse, sensitize, activate and electroless-plate the fibers to form a nickel-plated layer with a thickness of 20-50 μm on the surface of fibers with a diameter of 0.2-10 μm; (3) use a fiber weaving template to weave the fibers (4) Using laser-induction composite cladding deposition technology to melt alloy powder and wrap fibers to form fiber-reinforced metal matrix composites. By adopting the present invention, structural parts of fiber-reinforced metal-matrix composite materials can be prepared under high-efficiency and low-cost conditions; fibers are evenly distributed in the metal-matrix composite material as a reinforcing phase; the fiber structure remains intact and the distance between fibers is adjustable and controllable; Fiber-reinforced metal matrix composites have a compact microstructure, no pores and cracks, hardness up to 1000-1250HV0.2, dry sliding wear performance is about 3-5 times that of GCr15 with a hardness of 60HRC, and tensile strength up to 1000-1200Mpa , The elongation rate is 20-45%.

Description

technical field [0001] The invention relates to a laser-induction compound melting deposition method for fiber-reinforced metal-based composite materials, and belongs to the technical field of laser additive manufacturing. Background technique [0002] Metal matrix composites are new structural materials composed of metal matrix and reinforcing phase through a certain process. According to the shape of the reinforcing phase, they can be divided into fiber reinforced metal matrix composites, whisker and short fiber reinforced metal matrix composites, and particle reinforced metal matrix composites. Metal matrix composites and other forms. Therefore, metal matrix composites have high specific strength, specific stiffness, and good creep resistance and high temperature resistance, especially fiber-reinforced metal matrix composites have high strength and modulus in the fiber direction. When the force condition of the directional control is basically determined, it can give ful...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B33Y10/00C22C47/14C22C47/06C22C47/04C22C49/08C22C49/06C22C101/10C22C101/06C22C101/02
CPCC22C47/04C22C47/06C22C47/14C22C49/06C22C49/08B33Y10/00B22F2003/1053B22F10/00B22F10/36B22F10/25B22F12/90B22F12/17Y02P10/25
Inventor 戴晓琴陈瀚宁雷剑波石川顾振杰周圣丰
Owner TIANJIN POLYTECHNIC UNIV
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