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Method and device for preparing metal base nano composite material by ultrasound stirring and continuous casting

A nano-composite material and ultrasonic stirring technology, which is applied in the field of casting, can solve the problems of limited melt amount and not very good, and achieve the effects of reducing agglomeration, good material performance and wide industrial application range.

Inactive Publication Date: 2009-12-30
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above methods are affected by the ultrasonic power, and the amount of melt processed is very limited, and the maximum amount cannot exceed the volume of the crucible, which is often only a few kilograms
There is still no good method for adopting casting technology to meet the large amount of melt processing and the uniform distribution of nano-ceramic particles.

Method used

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  • Method and device for preparing metal base nano composite material by ultrasound stirring and continuous casting
  • Method and device for preparing metal base nano composite material by ultrasound stirring and continuous casting

Examples

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Effect test

Embodiment 1

[0024] This embodiment adopts ultrasonic stirring vertical continuous casting device, its structure is as follows figure 1 As shown, the device is composed of liquid storage ladle 1, agitator 2, liquid level controller 3, ultrasonic generator 4, pouring ladle 5, control valve 6, crystallizer 7, dummy rod 8; among them The connection relationship between them is as follows: the opening below the liquid storage ladle 1 is connected with the pouring ladle 5, and the volume of the liquid storage ladle 1 is 5 times that of the pouring ladle 5; the sensor in the liquid level controller 3 is placed in the pouring ladle 5. Between 2 / 3 and 3 / 4 of the height of the ladle 5; the mechanical agitator 2 is inserted into the liquid storage ladle 1; the ultrasonic generator 4 is placed in the pouring ladle 5; the opening below the pouring ladle 5 and the vertically installed crystal The dummy rod 8 capable of continuous dummy is installed vertically at the lower end of the crystallizer 7, and...

Embodiment 2

[0031] This embodiment adopts the horizontal continuous casting device, its structure is as follows figure 2 As shown, the device is composed of liquid storage ladle 1, agitator 2, liquid level controller 3, ultrasonic generator 4, pouring ladle 5, control valve 6, crystallizer 7, dummy rod 8; among them The connection relationship between them is as follows: the hole at the bottom of the liquid storage ladle 1 is connected with the pouring ladle 5; the sensor in the liquid level controller 3 is placed in the pouring ladle 5; the mechanical agitator 2 is inserted into the liquid storage ladle 1; The ultrasonic generator 4 is placed in the pouring ladle 5; the opening on the side of the pouring ladle 5 is connected to one end of the horizontally installed crystallizer 7, the pouring ladle 5 communicates with the crystallizer 7, and the dummy bar 8 capable of continuous dummy is installed horizontally At the other end of the crystallizer 7 , the control valve 6 is located at th...

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Abstract

The invention relates to a method and device for preparing metal base nano composite material by ultrasound stirring and continuous casting, and the device for realizing the invention is composed of a liquid storage casting ladle, a stirring device, a liquid level controller, an ultrasonic generator, a casting ladle, a control valve, a crystallizer and a dummy bar. The method adopts stirring and ultrasonic treatment, so that nano ceramics in metallic solution are in uniform distribution state; a sensor acquires signal and the height of the liquid level of the casting ladle is controlled; and the dummy bar is used for continuous dummy ingot downward or along horizontal direction. The invention effectively prevents agglomeration of ceramic granules. The invention is especially applicable to one time preparation of material in large size and preparation of different products such as parts, plates, wires, sections and the like by secondary processing, has wide industrial application range and has a broad market prospect.

Description

technical field [0001] The invention relates to casting technology, in particular to an ultrasonic stirring continuous casting method and device for preparing metal-based nanocomposite materials. Background technique [0002] Metal matrix nanocomposites have excellent physical, mechanical and tribological properties. The preparation technology of metal matrix nanocomposites and their parts has been receiving much attention. The traditional preparation techniques of metal matrix nanocomposites mainly include high-energy ball milling, powder metallurgy, vacuum hot pressing and plastic processing. However, these methods are complex in process, low in production efficiency, high in production cost, cannot form complex parts, and can only prepare small-sized products. The technology of preparing metal-based nanocomposites by casting method has the advantages of simple process, high production efficiency, low cost, and the ability to form complex parts. However, in the process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/16B22D11/114B22D11/14
Inventor 张卫文李元元罗宗强张大童王智
Owner SOUTH CHINA UNIV OF TECH
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