A composite preparation process and equipment for semi-solid metal paste

A technology of semi-solid metal and slurry, which is applied in the compound preparation process and equipment field of semi-solid metal slurry, which can solve the problems of impure components of slurry, gas entrapment, corrosion of agitator, etc., and achieve good uniformity of structure and shape , Stirring force is enhanced, and the effect of avoiding corrosion

Active Publication Date: 2020-11-06
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The mechanical stirring method is easy to operate, but it has serious defects, such as agitator corrosion, impure slurry components, gas entrainment, etc.

Method used

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  • A composite preparation process and equipment for semi-solid metal paste
  • A composite preparation process and equipment for semi-solid metal paste
  • A composite preparation process and equipment for semi-solid metal paste

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Embodiment Construction

[0041] A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

[0042] A compound preparation equipment for semi-solid metal paste, such as figure 1 As shown, it includes a slurry preparation container 1, a weak electromagnetic stirring device 2, a mechanical stirring device 3, and a support 4. The mechanical stirring device 3 is located under the weak electromagnetic stirring device 2, and the slurry preparation container 1 is a crucible, such as figure 2 and 3 shown;

[0043]Weak electromagnetic stirring device comprises insulation layer 201, electromagnetic induction coil 202, electric control device 203, cooling device 204, temperature measuring element 205, electromagnetic induction coil fixed rod 206, pressure plate 207, bolt 208, and temperature measuring element 205 is platin...

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Abstract

The invention discloses a composite preparation process and composite preparation equipment for semisolid metal slurry. A weak electromagnetic stirring device and a mechanical stirring device are compounded together to prepare the semisolid metal slurry. Compared with an existing semisolid metal slurry preparation technique, the compound preparation process has the advantages that 1, compared witha rotary magnetic field electromagnetic stirring method, the electromagnetic field can be fully covered to avoid a skin effect and the needed energy consumption is low; 2, compared with a weak electromagnetic stirring method, the stirring force of alloy slurry is enhanced, the time needed to obtain the semisolid metal slurry is shortened, and the efficiency is improved; 3, compared with a mechanical stirring method, no mechanical stirrers are available, so that the defects that the stirrer is corroded and the alloy slurry is polluted are overcome, and meanwhile, the temperature of the slurryis controllable; 4, the composite preparation equipment is simple in structure, low in cost, flexible to control process and convenient to operate; and 5, the composite preparation process solves theproblem of low preparation efficiency of the semisolid slurry in large structural part production in production of large structural parts, the weights of which are over 5 Kg.

Description

technical field [0001] The invention belongs to the technical field of semi-solid metal processing, and relates to a composite preparation process and equipment for semi-solid metal slurry. Background technique [0002] Semi-solid metal forming technology is an advanced forming method for metal parts that combines the strong fluidity of liquid casting and the high mechanical properties of solid forging. It is known as the green manufacturing process with the most development potential in the 21st century. The technology has gradually realized industrialization, and the key lies in the preparation of high-quality, low-cost metal semi-solid spherical grain materials. [0003] Among all the preparation methods of semi-solid metal materials invented, the electromagnetic stirring method is the earliest method applied in industrial production, and it still occupies a dominant position in the industrial application of semi-solid metal forming. The parameter control of the electrom...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/20
CPCB22D17/007B22D17/20
Inventor 曹苗张琦李浩陈宇凯刘心田天泰韩宾
Owner XI AN JIAOTONG UNIV
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