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A method and apparatus for processing metallic material within complex magnetic field

A metal material, high-temperature treatment technology, applied in the field of high-temperature treatment, to improve the solidification structure, refine the uniform distribution, and simplify the process route.

Inactive Publication Date: 2008-04-09
金山研究(大连)核磁共振科技有限公司
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Problems solved by technology

[0014] By adopting the method of the present invention, the effect of the composite magnetic field can be used to comprehensively optimize the control of the structure of the material, and strengthen the effect of grain refinement; and it can solve the technical problem of simultaneously controlling the grain size and crystal orientation during the solidification process of the existing material , Simplify the process route, save energy costs, optimize the performance of materials

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  • A method and apparatus for processing metallic material within complex magnetic field

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Embodiment Construction

[0029] The device of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] In the method of the invention, during the solidification process of the metal material, a coaxial and co-directional pulsed magnetic field and a superconducting strong magnetic field are applied to the metal material melt to control the grain size and crystal orientation.

[0031] As shown in Figure 1, A, B, C represent adopting the composite magnetic field application sequence and the mode that can be finished by the inventive method: A. first apply pulsed magnetic field, then apply superconducting strong magnetic field; B. apply pulsed magnetic field and superconducting strong magnetic field simultaneously Magnetic field; C. Apply a superconducting strong magnetic field first, and then apply a pulsed magnetic field. Dotted arrows D and E represent single magnetic field application methods used in other prior art: D. only pulsed magnetic field ...

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Abstract

The invention relates to a method for the high temperature processing of metal material under a composite magnetic field. In the solidification process of the metal material, a pulsed magnetic field and a superconducting magnetic field which are coaxial in the same direction are applied to a metal bath, to control the grain size and the crystal orientation. A device applied by the method of the invention comprises a heating furnace body (2), a pulsed magnet (3), a superconducting magnet (4), a water cooling jacket (5), a heating control system (11), a pulsed magnet power (12), a superconducting magnet power (13), and a circulating cold water equipment (14). The central axle lines of the heating furnace body (2), the pulsed magnet (3), and the superconducting magnet (4) are coincident; the heating furnace body (2), the pulsed magnet (3), and the superconducting magnet (4) are nested layer by layers from inside to outside. The invention can perform the comprehensive optimal control to the organizational structure of the material, while the superconducting magnetic field optimizes the crystal orientation, the composite magnetic field also plays the function of strengthening the grain refinement; the two magnetic field technical methods of the prior pulsed magnetic field processing and the strong magnetic field processing are integrated into a whole, thereby simplifying the process flow, and reducing the energy consumption.

Description

technical field [0001] The invention relates to a method and device for high-temperature treatment of metal materials under magnetic field conditions, in particular to a high-temperature treatment method and device for improving metal solidification structure by using a composite magnetic field condition composed of a pulsed magnetic field and a superconducting strong magnetic field. Background technique [0002] The solidification structure of metal plays a decisive role in the quality and performance of its products, and the control of metal solidification structure is an important content of the study of metal solidification process. Uniform and fine equiaxed grains can improve the mechanical properties of materials, and the anisotropy of microstructure is also an important property of functional materials. Therefore, reasonable control of the grain structure and solidification crystal orientation of materials are two major problems faced in metal solidification technolog...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D27/02C22F3/02
Inventor 程军胜王晖王秋良戴银明黄天斌宋守森
Owner 金山研究(大连)核磁共振科技有限公司
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