Device and method for efficiently preparing SiC-particle-reinforced aluminum-based composite material with high quality

A particle-reinforced aluminum and composite material technology, applied in chemical instruments and methods, mixers with rotary stirring devices, mixers, etc., can solve the problem of high manufacturing cost, low efficiency and unstable quality of SiC particle-reinforced aluminum-based composite materials. and other problems, to achieve the effect of improving wettability and interface bonding, achieving uniform distribution, and increasing the chance of friction and collision.

Active Publication Date: 2017-11-24
沈阳铸研科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of high manufacturing cost, low efficiency, and unstable quality of SiC particle-reinforced aluminum-matrix composite materials,

Method used

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  • Device and method for efficiently preparing SiC-particle-reinforced aluminum-based composite material with high quality
  • Device and method for efficiently preparing SiC-particle-reinforced aluminum-based composite material with high quality
  • Device and method for efficiently preparing SiC-particle-reinforced aluminum-based composite material with high quality

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] This example is the preparation of SiC particle reinforced ZL101A alloy composite material: the composition of ZL101A alloy material is weight percent Si: 6.96%, Mg: 0.35%, Ti: 0.15%, Fe: 0.1%, Ni: 0.01%, Zn: 0.01 %, Cu: 0.01%, Mn: 0.01%, Sn: 0.01%, and the rest is Al. The liquidus and solidus temperatures of the ZL101A alloy are 615°C and 560°C, respectively.

[0057] The specific process is as follows:

[0058] 1) Melt 30Kg of ZL101A alloy in the crucible 5, when the temperature of the aluminum alloy melt in the crucible 5 reaches about 680°C, add a modifier, and then add argon for refining after the modification is completed (the amount added is the total amount of the alloy liquid 0.5% of the weight), argon gas is pressed into the bottom of the aluminum alloy liquid with a bell jar and gently swings to make the ZL101A light alloy liquid boil completely. When there are no more bubbles in the bell jar, clean the slag with a scum spoon, and finally reduce the tempera...

Embodiment 2

[0061]This example is the preparation of SiC particle reinforced ZL114A alloy composite material: the composition of ZL114A alloy material is weight percent Si: 7.01%, Mg: 0.55%, Ti: 0.15%, Fe: 0.08%, Ni: 0.01%, Zn: 0.01 %, Cu: 0.01%, Mn: 0.01%, Sn: 0.01%, and the rest is Al. The liquidus and solidus temperatures of the ZL101A alloy are 615°C and 560°C, respectively.

[0062] The specific process is as follows:

[0063] 1) Melt 50Kg of ZL114A alloy in the crucible 5, when the temperature of the aluminum alloy melt in the crucible 5 reaches about 690°C, add a modifier, and then add argon for refining after the modification is completed (the amount added is the total amount of the alloy liquid 0.5% of the weight), argon gas is pressed into the bottom of the aluminum alloy liquid with a bell jar and gently swings to make the ZL101A light alloy liquid boil completely. When there are no more bubbles in the bell jar, clean the slag with a skimming spoon, and finally reduce the tem...

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PUM

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Abstract

The invention provides a device and method for efficiently preparing a SiC-particle-reinforced aluminum-based composite material with high quality. The device comprises a stirring device, a crucible, a resistance furnace, a feeding device and an argon gas delivery pipe. The stirring device comprises a stepless speed regulating electromotor, a connection base, lifting blocks, a crucible cover, a porous flow equalizer, a through-connection flow smoothing device and a stirring paddle. The stirring paddle is connected with the stepless speed regulating electromotor, and the stepless speed regulating electromotor is fixed to the connection base. The connection base, the lifting blocks and the porous flow equalizer are connected with the crucible cover correspondingly, the porous flow equalizer and the through-connection flow smoothing device are both of a hollow structure, and the through-connection flow smoothing device and the stirring paddle are both located in the porous flow equalizer. The through-connection flow smoothing device is internally of a funnel-shaped structure, the rod portion of the stirring paddle penetrates through the through-connection flow smoothing device, and the through-connection flow smoothing device is fixed to the lifting blocks. One end of the feeding device and one end of the argon gas delivery pipe both communicate with the porous flow equalizer, and the other end of the feeding device and the other end of the argon gas delivery pipe penetrate through the crucible cover to be exposed in the air. The crucible is located in the resistance furnace, and the crucible cover is tightly covered to the position between the crucible and the resistance furnace.

Description

technical field [0001] The invention belongs to the field of casting, and particularly provides a device and method for preparing SiC particle-reinforced aluminum-based composite materials with high quality and high efficiency. Background technique [0002] SiC particle reinforced aluminum matrix composites have the following performance characteristics: high specific strength, high specific modulus, small thermal expansion coefficient, good dimensional stability, good high temperature performance, good wear resistance, good fatigue resistance and fracture toughness, high damping performance. In addition to the performance characteristics listed above, my country's aluminum reserves are sufficient, the price is relatively cheap, the density is small, the melting point is low, the preparation process and equipment are simple, etc., and can be widely used in aerospace, military, automobile, electronics, sports, etc. It has become the focus of research on metal matrix composites...

Claims

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Application Information

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IPC IPC(8): C22C1/10C22C21/00C22C32/00B01F27/906
CPCC22C1/1005C22C1/1036C22C21/00C22C32/0063C22C1/12C22C1/1047
Inventor 冯志军李泽华阮明
Owner 沈阳铸研科技有限公司
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