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Physical simulation method and physical simulation device utilizing suction casting to research solidification of strip continuous casting

A technology of physical simulation and thin strip, which is applied in the field of physical simulation and device of using suction casting to study the solidification of thin strip continuous casting, can solve the problems of high cost, difficult research work, lack of directness, etc., and achieves reduction of scale and test. The effect of cycle time and experimental cost saving

Inactive Publication Date: 2010-06-09
SHANGHAI UNIV
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Problems solved by technology

However, this method lacks directness and is not directly related to coagulation tissue
In addition, even though industrial experiments can solve many problems that are difficult to solve by simulation techniques, their high cost also makes it difficult to carry out extensive and effective research work.

Method used

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  • Physical simulation method and physical simulation device utilizing suction casting to research solidification of strip continuous casting
  • Physical simulation method and physical simulation device utilizing suction casting to research solidification of strip continuous casting
  • Physical simulation method and physical simulation device utilizing suction casting to research solidification of strip continuous casting

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Embodiment Construction

[0027] Specific embodiments of the present invention will be further described as follows in conjunction with the accompanying drawings.

[0028] Using silicon steel with a grade of 3.0wt% Si as the raw material, prepare a mold and a data acquisition system, mix the prepared raw materials and put them into the copper crucible of the electric arc melting furnace. Turn on the mechanical pump to pre-evacuate to 3-7Pa, and then turn on the molecular pump to evacuate until the vacuum degree is 5×10 -3 Pa, close the molecular pump valve, stop the molecular pump and mechanical pump. Fill the button furnace with high-purity argon to -0.08MPa (0.2 atmosphere). The raw material is melted into a liquid state by an electric arc, and then while the smelting is continued, the magnetic stirring is turned on to promote the uniform composition of the alloy, and the magnetic stirring current is about 0-8A. Melt and stir the alloy repeatedly for 3-5 times. Transfer the molten alloy to the cas...

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Abstract

The invention relates to a physical simulation method of the solidification process of strip continuous casting and a realization device thereof, which belong to the field of physical simulation and control of growth process of metal solidification structures. The invention provides a physical simulation method of the solidification process of the strip continuous casting process, so that a physical simulation test can reach the cooling rate of actual strip continuous casting to simulate the heat transfer process of the strip continuous casting; and the method researches an evolution law of solidification structures of the strip continuous casting and a basic law of the solidification by adjusting alloy element components and strip thickness, and can contrastively research an influence law of a rolling force on the solidification during the strip continuous casting. The invention provides a set of equipment which can realize physical simulation on the solidification process of the strip continuous casting. The invention designs a physical simulation device which has a concise structure and small scale and is flexible and smart, wherein main parameters of the device comprise that: the final vacuum is 6.6*10-4Pa, the radius of four water-cooled copper crucibles is 25mm, the working current is between 800 and 1,000A, and the rotating speed of electromagnetic stirring is between 0 and 200rpm.

Description

technical field [0001] The invention relates to a thin strip continuous casting solidification physical simulation method and a realization device thereof, belonging to the field of physical simulation and control of the metal solidification tissue growth process. Background technique [0002] Thin strip continuous casting is considered to be the most promising near-net-shape continuous casting technology for producing thin strips with a thickness of 1-10mm. Its main advantage is that it can save the hot rolling process and save a lot of cost. Since this process can directly cast thin strips less than 10mm thick from molten metal, it saves expensive and complicated hot rolling equipment. Compared with conventional production processes, it can reduce equipment investment and production costs by 30%. above. In addition, due to the characteristics of rapid solidification and direct forming, the use of twin-roll thin strip continuous casting technology may also improve material...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/08
Inventor 何先勇高玉来孙权志王磊彭琴李仁兴翟启杰
Owner SHANGHAI UNIV
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