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A high-performance copper-iron alloy material and its preparation method by electroslag remelting

A technology of copper-iron alloy and electroslag remelting, which is applied in the field of non-ferrous metallurgy, can solve problems such as porosity, shrinkage cavity, alloy ingot inclusions, etc., and achieve the effect of compact structure, controllable process, and refined grain

Active Publication Date: 2019-10-11
沈阳赛美特新材料科技有限公司
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Problems solved by technology

[0004] Aiming at problems such as inclusions, shrinkage cavities, porosity and other macroscopic defects in the alloy ingot produced by the existing production method of copper-iron alloy, the present invention provides a high-performance copper-iron alloy material and its electroslag remelting preparation method, which can significantly improve the copper Elongation and Yield of Iron Alloys

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  • A high-performance copper-iron alloy material and its preparation method by electroslag remelting
  • A high-performance copper-iron alloy material and its preparation method by electroslag remelting
  • A high-performance copper-iron alloy material and its preparation method by electroslag remelting

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Embodiment 1

[0059] In this embodiment, the process of preparing high-performance copper-iron alloy material by electroslag remelting is as follows:

[0060] (1) adopt chemical composition to be (wt%): Fe=7.5%, Ce=0.009%, La=0.052%, the copper-iron alloy master alloy ingot that surplus is Cu is raw material; Slag system proportioning is: high-purity NaF The mass percentage is 18%, the balance is fluorite, and CaF in fluorite 2 The mass percentage content is not less than 98.5% and the mass percentage content of silicon dioxide is less than 1%. The copper-iron alloy electroslag remelting ingot prepared is shown in Figure 5 , the surface of the ingot is smooth after removing the surface slag crust.

[0061] (2) The copper-iron alloy electroslag ingot prepared by the method of electroslag remelting to prepare high-performance copper-iron alloy material has a uniform distribution of components, and a dense internal structure is formed through the electroslag remelting process. The copper-iro...

Embodiment 2

[0068] In this embodiment, the process of preparing high-performance copper-iron alloy material by electroslag remelting is as follows:

[0069] (1) adopt chemical composition to be (wt%): Fe=15%; Ce=0.01%, La=0.055%, the copper-iron alloy master alloy ingot that surplus is Cu is raw material; Slag system proportioning is: high-purity NaF The mass percentage is 20%, the balance is fluorite, and CaF in fluorite 2 The mass percentage content is not less than 98.5% and the mass percentage content of silicon dioxide is less than 1%. The prepared copper-iron alloy electroslag remelting ingot has a smooth surface after removing the surface slag crust. .

[0070] (2) The copper-iron alloy electroslag ingot prepared by electroslag remelting to prepare high-performance copper-iron alloy material has uniform composition distribution and compact internal structure. Image 6 (b).

[0071] (3) The copper-iron alloy electroslag ingot prepared by the method of electroslag remelting to pre...

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Abstract

The invention discloses a high-performance copper-iron alloy material and an electroslag remelting preparation method thereof, and belongs to the technical field of non-ferrous alloys. The high-performance copper-iron alloy material is a copper-iron alloy electroslag ingot, and is composed of 4-20wt.% of Fe, 0.001-1.0wt.% of RE and the balance Cu, wherein RE is rare earth elements; RE is Ce and La, the content of Ce is 0.008-0.012wt.%, and the content of La is 0.05-0.06wt.%. The high-performance copper-iron alloy material is prepared by an electroslag remelting method, wherein a copper-iron alloy ingot smelted by a vacuum induction furnace is adopted as a consumable electrode, a CaF2-NaF slag system is adopted as a slag material, and the prepared copper-iron alloy electroslag ingot is uniform in chemical composition distribution, dense in structure and smooth in surface; the copper-iron alloy electroslag ingot can be used for continuous production of high-performance copper-iron alloywires.

Description

technical field [0001] The invention relates to the technical field of nonferrous metallurgy, in particular to a high-performance copper-iron alloy material and an electroslag remelting preparation method thereof. Background technique [0002] High-performance copper alloys are widely used because of their high strength, good plasticity and excellent electrical conductivity. Compared with Cu-Nb, Cu-Ag, Cu-Co and other copper alloys, Cu-Fe alloy has good advantages in large-scale industrial preparation and application due to its low cost, abundant raw materials, huge magnetoresistance effect and special physical properties. prospect. Copper-iron materials have both high electrical conductivity and high magnetic permeability, which can suppress or weaken electric and magnetic fields at the same time, and control the radiation propagation of electromagnetic waves from one area to another. Therefore, copper-iron alloy materials are ideal electromagnetic shielding functional ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C9/00C22C1/02C22B9/18
CPCC22B9/18C22C1/02C22C9/00Y02P10/25
Inventor 杨帆姜骁箐张新法吴彬董君伟
Owner 沈阳赛美特新材料科技有限公司
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