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A Method for Filament Printing of Aluminum Silicon Carbide Composite Materials by Arc Additive Manufacturing

A composite material, aluminum silicon carbide technology, which is applied in the field of metal matrix composite materials and additive manufacturing, can solve the problems of difficult machining of aluminum silicon carbide composite materials, heavy loss of material, waste of material cost, etc., and achieve high specific stiffness, The effect of saving processing cost and simplifying the processing process

Active Publication Date: 2021-07-30
江西宝航新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the existence of the reinforcing phase in the material, the machining of aluminum silicon carbide composite materials is not easy, it is difficult to achieve high dimensional accuracy, and the weight of the material lost during the processing is relatively large, which results in a waste of material cost

Method used

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  • A Method for Filament Printing of Aluminum Silicon Carbide Composite Materials by Arc Additive Manufacturing
  • A Method for Filament Printing of Aluminum Silicon Carbide Composite Materials by Arc Additive Manufacturing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A method for printing aluminum-silicon carbide composite filaments with electric arc additive manufacturing, comprising the steps of:

[0037] 1) Ingots of AlSiC composite materials with a mass fraction of 5% were kept at 150°C for 6 hours;

[0038] 2) Do equal-channel extrusion of the processed composite material at a temperature of 450°C, and the deformation after extrusion is 400%;

[0039] 3) Preheat the extruded material for a period of time and then draw it into filaments. The drawing temperature is about 500°C, the deformation in a single pass is 10%, and the drawing speed is 20mm / s;

[0040] 4) Load the drawn wire into the machine, model the printed workpiece, determine the height of the additive layer, and digitally slice the part; import the model into the machine, and the machine performs operations according to the additive code to print the wire;

[0041] 5) Run the program and start printing. The printing parameters are: the wire feeding speed is 5mm / s, a...

Embodiment 2

[0044] A method for printing aluminum-silicon carbide composite filaments with electric arc additive manufacturing, comprising the steps of:

[0045] 1) Ingots of AlSiC composite materials with a mass fraction of 5% were kept at 150°C for 6 hours;

[0046]2) Do equal-channel extrusion of the processed composite material at a temperature of 450°C, and the deformation after extrusion is 400%;

[0047] 3) Preheat the extruded material for a period of time and then draw it into filaments. The drawing temperature is about 500°C, the deformation in a single pass is 10%, and the drawing speed is 20mm / s;

[0048] 4) Load the drawn wire into the machine, model the printed workpiece, determine the height of the additive layer, and digitally slice the part; import the model into the machine, and the machine performs operations according to the additive code to print the wire;

[0049] 5) Run the program and start printing. The printing parameters are wire feeding speed of 10mm / s, and th...

Embodiment 3

[0052] A method for printing aluminum-silicon carbide composite filaments with electric arc additive manufacturing, comprising the steps of:

[0053] 1) Ingots of AlSiC composite materials with a mass fraction of 5% were kept at 150°C for 6 hours;

[0054] 2) Do equal-channel extrusion of the processed composite material at a temperature of 450°C, and the deformation after extrusion is 400%;

[0055] 3) Preheat the extruded material for a period of time and then draw it into filaments. The drawing temperature is about 500°C, the deformation in a single pass is 10%, and the drawing speed is 20mm / s;

[0056] 4) Load the drawn wire into the machine, model the printed workpiece, determine the height of the additive layer, and digitally slice the part; import the model into the machine, and the machine performs operations according to the additive code to print the wire;

[0057] 5) Run the program and start printing. The printing parameters are wire feeding speed of 15mm / s, and t...

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Abstract

The invention relates to a method for printing aluminum-silicon carbide composite material filaments through electric arc additive manufacturing. The composite material is composed of the following materials: silicon carbide with a mass fraction of 5% to 15%, and the balance of aluminum alloy. The composite material is drawn into wire by aluminum-silicon carbide composite ingot casting, and the wire material is printed and formed by two steps. The composite material of the invention has high specific strength, specific stiffness and elastic modulus, and can be widely used in the preparation of complex structural parts in the fields of aerospace, automobiles, ships and the like.

Description

technical field [0001] The invention relates to a method for printing aluminum-silicon carbide composite material filaments through arc additive manufacturing, and belongs to the field of metal-based composite materials and additive manufacturing. Background technique [0002] Aluminum silicon carbide composite materials have the characteristics of both aluminum alloy and silicon carbide ceramics. Compared with ordinary aluminum alloys, their toughness is slightly lower, but their specific strength, specific stiffness, elastic modulus, and friction resistance are greatly improved, and their thermal expansion coefficient is reduced. , The dimensional stability is improved, so the aluminum silicon carbide composite material has great application prospects in aerospace, automobile, ship and other fields. [0003] However, due to the existence of the reinforcing phase in the material, the machining of aluminum silicon carbide composite materials is not easy, it is difficult to a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B22F5/00B33Y10/00C22C21/02C22C32/00
CPCB22F5/00B33Y10/00C22C21/02C22C32/0063B22F2003/1051B22F10/00B22F10/22B22F10/25Y02P10/25
Inventor 胡万谦李振民孟庆宇王联波刘干
Owner 江西宝航新材料有限公司
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