High-transmission magnetic soft contact two-section type copper alloy crystallizer as well as preparation and application thereof

A technology of copper alloy and crystallizer, which is applied in the field of high-permeability magnetic soft-contact two-stage copper alloy crystallizer, which can solve the problems of insufficient joint strength at the welding seam of the mold, achieve good cooling effect, uniform magnetic field distribution, and simple structure Effect

Active Publication Date: 2019-01-15
NORTHEASTERN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a high-permeability soft-contact two-stage copper alloy crystallizer and its preparation and application. The method is based on the principle of "more quantity and less element". The soft contact electromagnetic extrusion force has developed a copper alloy with higher magnetic permeability. The magnetic permeability of the new high-permeability copper alloy is 4 times that of traditional pure copper materials; in view of the problem of insufficient joint strength at the mold weld, the The welding groove angle of the upper half and the lower half of the crystallizer is spe

Method used

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  • High-transmission magnetic soft contact two-section type copper alloy crystallizer as well as preparation and application thereof
  • High-transmission magnetic soft contact two-section type copper alloy crystallizer as well as preparation and application thereof
  • High-transmission magnetic soft contact two-section type copper alloy crystallizer as well as preparation and application thereof

Examples

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Embodiment 1

[0056] A copper alloy is a high-permeability copper alloy, which includes components and the mass percentage of each component as follows: Al is 0.3%, Mn is 32%, Ti<0.5%, Si<0.5%, and the balance is Cu.

[0057] A high-permeability soft-contact two-stage copper alloy mold, the overall longitudinal cross-sectional view is shown in figure 1 The high-permeability soft-contact two-stage copper alloy crystallizer comprises the high-permeability soft-contact two-stage copper alloy crystallizer upper half section 1 prepared from the high-permeability The lower half section 2 of the segmented copper alloy mold, the joint 8 of the upper half section 1 of the high permeability soft contact two-stage copper alloy mold and the lower half section 2 of the high permeability soft contact two-stage copper alloy mold is made of pure Copper welding, so as to obtain a high permeability soft contact two-stage copper alloy mold.

[0058] A preparation method of a high-permeability soft-contact tw...

Embodiment 2

[0085] A copper alloy is a high-permeability copper alloy, which includes components and the mass percentage of each component: Al is 0.2%, Mn is 31.5%, Ti<0.5%, Si<0.5%, and the balance is Cu.

[0086] A high-permeability magnetic soft-contact two-stage copper alloy crystallizer, same as embodiment 1.

[0087] A method for preparing a high-permeability magnetic soft-contact two-stage copper alloy crystallizer, comprising the following steps:

[0088] Step 1: Casting the upper half of a high-permeability magnetic soft-contact two-stage copper alloy crystallizer

[0089] High-purity electrolytic aluminum, electrolytic manganese, electrolytic copper, sponge titanium and industrial silicon, according to the mass percentage: Al<2%, Mn31.5%, Ti<0.5%, Si<0.5%, the balance is Cu, called After measuring, mix them and put them into a graphite crucible; put the graphite crucible into a vacuum induction furnace and evacuate; turn on the induction heating equipment, wait for the alloy to...

Embodiment 3

[0099] A copper alloy is a high-permeability copper alloy, which includes components and the mass percentage of each component: Al is 0.4%, Mn is 33%, Ti<0.5%, Si<0.5%, and the balance is Cu.

[0100] A high-permeability magnetic two-stage soft-contact crystallizer, including the upper half of the high-permeability magnetic soft-contact two-stage copper alloy crystallizer made of high manganese copper alloy 1, the high-permeability magnetic soft-contact two-stage made of pure copper The lower half section 2 of the one-stage copper alloy crystallizer, the upper half section 1 of the high-permeability magnetic soft-contact two-stage copper alloy crystallizer and the lower half section 2 of the high-permeability magnetic soft-contact two-stage copper alloy crystallizer pass through a V-shaped groove The way of welding, the welding wire is made of pure copper. The angle (∠1) between the upper half of the weld and the horizontal direction of the high-permeability magnetic soft-cont...

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Abstract

The invention relates to a high-transmission soft contact two-section type copper alloy crystallizer as well as preparation and application thereof, and belongs to the field of electromagnetic metallurgy equipment manufacturing. The crystallizer uses copper alloy ingredients in percentage by mass: less than 0.5 percent of Al, 31 to 33 percent of Mn, less than 0.5 percent of Ti, less than 0.5 percent of Si and the balance of Cu. The crystallizer comprises a crystallizer upper half section prepared by the copper ally, and a crystallizer lower half section prepared from pure copper, wherein the connecting position of the crystallizer upper half section and the crystallizer lower half section is welded by pure copper TIG; the welding mode is a V-shaped big slope opening forming mode; the thorough welding is ensured; in addition, the welding seam welding position is enabled to have the sufficient intensity; the soft contact electromagnetic power is provided by an electromagnetic induction coil surrounded on the outer side of the upper half section of the obtained high-transmission magnetic soft contact two-section type copper alloy crystallizer; the best power supply work parameter is given; the guidance is provided for the optimization production. The cooling effect of the crystallizer is identical to the cooling effect of a conventional pure copper crystallizer; the inherent attribute of the steel liquid initial stage solidification can be enhanced by the crystallizer.

Description

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Claims

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Application Information

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Owner NORTHEASTERN UNIV
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