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Device and method for efficiently preparing high-quality semi-solid aluminum alloy slurry

A semi-solid, aluminum alloy technology, applied to chemical instruments and methods, mixers with rotating stirring devices, mixers, etc., can solve the problems of low efficiency, unstable quality, and high manufacturing cost of semi-solid metal paste, and achieve High efficiency, stable slurry quality and low cost

Active Publication Date: 2017-11-28
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 semi-solid metal slurry, the present invention provides a high-quality, high-efficiency semi-solid aluminum alloy slurry preparation device and slurry preparation method

Method used

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  • Device and method for efficiently preparing high-quality semi-solid aluminum alloy slurry
  • Device and method for efficiently preparing high-quality semi-solid aluminum alloy slurry
  • Device and method for efficiently preparing high-quality semi-solid aluminum alloy slurry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] This example is the preparation of semi-solid ZL101A alloy slurry and its SiC particle reinforced aluminum matrix composite material: the composition of ZL101A alloy material is 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 balance is Al. The liquidus and solidus temperatures of the ZL101A alloy are 615°C and 560°C, respectively.

[0053] The specific process is as follows:

[0054] 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 alloy liquid boil completely. When there are no more bubbles in the bell jar, clean the slag with a scum spoon, and fin...

Embodiment 2

[0057] This embodiment is the preparation of semi-solid ZL114A alloy slurry: 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.

[0058] The specific process is as follows:

[0059] 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 ZL1141A 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 temperature of the alloy li...

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Abstract

The invention provides a device and a method for efficiently preparing high-quality semi-solid aluminum alloy slurry. The device comprises a stirring device, a crucible and a resistance furnace, wherein the stirring device comprises a stepless variable-speed motor, a connecting base, a lifting block, a crucible cover, a porous current equalizer, an argon delivery pipe, a current stabilizer and a stirring paddle; the stirring paddle is connected with the stepless variable-speed motor fixed on the connecting base; the connecting base, the lifting block, the porous current equalizer and the argon delivery pipe are all connected with the crucible cover; the porous current equalizer adopts a hollow structure, and the current stabilizer and the stirring paddle are located in the porous current equalizer; one end of the argon delivery pipe is located in the crucible and the other end penetrates through the crucible cover to be exposed in the air; the crucible is located in the resistance furnace, and the crucible cover is tightly buckled in a gap between the crucible and the resistance furnace. The device is ingenious in structural design, convenient to operate, high in slurry preparation efficiency and good in stability.

Description

technical field [0001] The invention relates to the field of semi-solid metal processing, and in particular provides a device and method for preparing semi-solid aluminum alloy slurry with high quality and high efficiency. Background technique [0002] Semi-solid casting technology is favored by scholars and manufacturers at home and abroad because of its environmental protection and effective reduction of production costs. It is recognized as the most promising processing technology in the 21st century. In countries such as Europe and the United States, semi-solid casting technology has been used for commercial production, and the manufactured parts are widely used in automobiles, electronic communications and other fields; my country's research on semi-solid casting technology is still in the laboratory stage, and it is mainly concentrated in A study on the preparation of semi-solid metal pastes. [0003] The preparation of semi-solid metal paste is the basis and key of se...

Claims

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Application Information

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IPC IPC(8): C22C1/02C22C21/04C22C1/06B01F27/906
CPCC22C1/026C22C1/06C22C21/04C22C1/12
Inventor 冯志军阮明李泽华
Owner 沈阳铸研科技有限公司
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