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A kind of Cu-Fe-C series alloy and preparation method thereof

A cu-fe-c, alloy technology, applied in the field of Cu-Fe-C alloy and its preparation, can solve problems such as slow diffusion speed, and achieve the effect of improving electrical conductivity and tensile strength

Active Publication Date: 2019-09-03
HENAN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the diffusion rate of Fe is very slow at low temperature, although other methods can reduce the solid solution amount of Fe in Cu, they cannot reduce the solid solution Fe in Cu to a very low state.

Method used

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  • A kind of Cu-Fe-C series alloy and preparation method thereof
  • A kind of Cu-Fe-C series alloy and preparation method thereof
  • A kind of Cu-Fe-C series alloy and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] The alloy prepared in this embodiment is a Cu-15wt% (Fe-C) alloy (that is, the content of Fe-C in the alloy is 15wt%, and the content of Cu is 85wt%; that is, the consumption of electrolytic copper in the raw material is electrolytic copper and 85wt% of the total mass of Fe-C alloy powder, the consumption of Fe-C alloy powder is 15wt% of the total mass of electrolytic copper and Fe-C alloy powder), the mass percentage of C in the Fe-C alloy powder is 1wt%, specifically prepared Methods as below:

[0031]Melt 99.9wt% electrolytic high-purity Cu in a vacuum intermediate frequency induction furnace. The melting temperature is controlled at 1100±5°C and the vacuum degree is 10Pa. After all the solid copper becomes liquid, Fe- Add C alloy powder into the pure copper melt, and mechanically stir at 300rpm for 3 minutes under the condition of 1100±5°C, so that the solid Fe-C powder alloy is evenly distributed in the copper liquid, and then cast it on the water-cooled copper mol...

Embodiment 2-4

[0034] Examples 2-4 are the same as Example 1 except that the mass percentage of C in the Fe-C alloy powder is different from Example 1. See Table 1 for the mass percentage of C in the Fe—C alloy powders of Examples 2-4 and the properties of the obtained alloys.

[0035] Process parameter and performance result of table 1 embodiment 2-4

[0036]

Embodiment 5-6 and comparative example 1

[0038] Embodiment 5-6 and comparative example 1 are different from embodiment 1 except that melting temperature and temperature during stirring (melting temperature is equal to temperature during stirring) are different from embodiment 1, and other process parameters are the same as embodiment 1. See Table 2 for the melting temperatures of Examples 5-6 and Comparative Example 1 and the properties of the obtained alloys.

[0039] Table 2 embodiment 5-6 and the process parameter and performance result of comparative example 1

[0040] Numbering Melting temperature (℃) Tensile strength (MPa) Conductivity (%IACS) Example 5 1180 440 37 Example 6 1150 434 41 Comparative example 1 1350 370 19

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Abstract

The invention discloses a Cu-Fe-C alloy and a preparation method thereof. The Cu-Fe-C alloy comprises, by mass, 85-90% of Cu and 10-15% of Fe-C alloy. The preparation method comprises the following steps of Cu smelting, adding of the Fe-C alloy, and the rapid solidification, so that alloy particles are uniformly distributed in the Cu-Fe-C alloy in a Cu matrix. According to the method, the conductivity and tensile strength of the Cu-Fe alloy can be improved, the tensile strength of the obtained cast-state alloy is 410-470 MPa, and the conductivity is 30-50% IACS.

Description

technical field [0001] The invention relates to a method for preparing a copper alloy, more specifically, the invention relates to a Cu-Fe-C alloy and a method for preparing the same. Background technique [0002] Copper alloy has good electrical and thermal conductivity, ductility and mechanical properties, and is a key functional material for the development of important industries such as electronic information, electric power, energy, ships and machinery. Compared with high-strength and high-conductivity copper alloys of other systems, the melting point of the alloying element Fe in the Cu-Fe system is relatively low, and it is easier to melt, and the immiscible gap between Fe and Cu is small, and the alloy has better deformability and machinability. It is better, so the research on Cu-Fe alloys has been paid attention to, and it has become one of the important directions for the development of high-strength and high-conductivity copper alloys. [0003] At present, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C9/00C22C1/03
CPCC22C1/03C22C9/00
Inventor 许磊霍晓阳王有超孙丽虹历长云宋政骢米国发
Owner HENAN POLYTECHNIC UNIV
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