High-strength high-heat-conductivity copper-molybdenum alloy wire material and preparation method thereof

A copper-molybdenum alloy, high-strength technology, applied in the field of copper-molybdenum alloy, can solve the problem of copper-molybdenum alloy interface problem that the strength of copper-molybdenum alloy cannot meet the application requirements, and achieve the effects of less inclusions, excellent product performance and low gas content

Inactive Publication Date: 2022-03-29
无锡市蓝格林金属材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Metal copper and metal molybdenum are immiscible at room temperature, interface problems will occur in copper-molybdenum alloys, and the strength of copper-molybdenum alloys cannot meet application requirements
Improving the strength of copper-molybdenum alloys by adding other metal elements will produce defects such as enrichment of copper and molybdenum elements

Method used

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  • High-strength high-heat-conductivity copper-molybdenum alloy wire material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] This embodiment provides a high-strength and high-thermal-conductivity copper-molybdenum alloy wire material, which is composed of the following raw material components in weight percentage: molybdenum 4wt%, 0.03wt% rare earth elements, and the rest is copper.

[0027] The rare earth elements are La and Y, and the weight ratio of La and Y is 1:1.

[0028] Molybdenum is electrolytic molybdenum with a purity ≥ 99.9990%.

[0029] Copper is electrolytic copper with purity ≥99.9990%.

[0030] The preparation method of the above-mentioned high-strength and high-thermal-conductivity copper-molybdenum alloy wire material has the following steps:

[0031] S1. Weigh raw materials: weigh molybdenum, rare earth elements, copper, and set aside;

[0032] S2. Arc smelting: put the weighed molybdenum, rare earth elements, and copper into an arc smelting furnace, use an arc gun to melt, stir evenly, and water-cool to obtain a copper-molybdenum intermediate alloy ingot;

[0033] S3. H...

Embodiment 2

[0041] This embodiment provides a high-strength and high-thermal-conductivity copper-molybdenum alloy wire material, which is composed of the following raw material components in weight percentage: molybdenum 3wt%, 0.02wt% rare earth elements, and the rest is copper.

[0042] The rare earth elements are La and Y, and the weight ratio of La and Y is 1:1.

[0043] Molybdenum is electrolytic molybdenum with a purity ≥ 99.9990%.

[0044] Copper is electrolytic copper with purity ≥99.9990%.

[0045] The preparation method of the above-mentioned high-strength and high-thermal-conductivity copper-molybdenum alloy wire material has the following steps:

[0046] S1. Weigh raw materials: weigh molybdenum, rare earth elements, copper, and set aside;

[0047] S2. Arc smelting: put the weighed molybdenum, rare earth elements, and copper into an arc smelting furnace, use an arc gun to melt, stir evenly, and water-cool to obtain a copper-molybdenum intermediate alloy ingot;

[0048] S3. H...

Embodiment 3

[0056] This embodiment provides a high-strength and high-thermal-conductivity copper-molybdenum alloy wire material, which is composed of the following raw material components in weight percentage: molybdenum 5wt%, 0.04wt% rare earth elements, and the rest is copper.

[0057] The rare earth elements are La and Y, and the weight ratio of La and Y is 1:1.

[0058] Molybdenum is electrolytic molybdenum with a purity ≥ 99.9990%.

[0059] Copper is electrolytic copper with purity ≥99.9990%.

[0060] The preparation method of the above-mentioned high-strength and high-thermal-conductivity copper-molybdenum alloy wire material has the following steps:

[0061] S1. Weigh raw materials: weigh molybdenum, rare earth elements, copper, and set aside;

[0062] S2. Arc smelting: put the weighed molybdenum, rare earth elements, and copper into an arc smelting furnace, use an arc gun to melt, stir evenly, and water-cool to obtain a copper-molybdenum intermediate alloy ingot;

[0063] S3. H...

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Abstract

The invention discloses a high-strength and high-thermal-conductivity copper-molybdenum alloy wire material and a preparation method thereof, and relates to the technical field of copper-molybdenum alloys, and the high-strength and high-thermal-conductivity copper-molybdenum alloy wire material is composed of the following raw material components in percentage by weight: 3wt%-5wt% of molybdenum, 0.02 wt%-0.04 wt% of rare earth elements and the balance of copper. The high-strength and high-thermal-conductivity copper-molybdenum alloy wire material is reasonable in proportion of copper, molybdenum and rare earth elements in the raw material components, low in gas content, few in inclusions, uniform in structure component, free of macroscopic and microcosmic defects such as copper and molybdenum enrichment and the like, high in conductivity and thermal conductivity, high in strength and high in toughness.

Description

technical field [0001] The invention relates to the technical field of copper-molybdenum alloys, in particular to a high-strength and high-thermal conductivity copper-molybdenum alloy wire material and a preparation method thereof. Background technique [0002] Copper-molybdenum alloy combines the characteristics of metal copper and metal molybdenum, so it has high melting point, low expansion, high electrical conductivity and high thermal conductivity. Metal copper and metal molybdenum are immiscible at room temperature, and interface problems will occur in copper-molybdenum alloys, and the strength of copper-molybdenum alloys cannot meet application requirements. Improving the strength of copper-molybdenum alloys by adding other metal elements will produce defects such as enrichment of copper and molybdenum elements. Contents of the invention [0003] Aiming at the defects in the prior art, the present invention provides a high-strength, high-thermal-conductivity copper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/00C22C1/02C21D9/00C22F1/08B23P15/00
CPCC22C9/00C22C1/02C22F1/08C21D9/0075B23P15/00
Inventor 翟晓东张刘飞吴军谢颖鲍杰谭佃龙王倩蓉高柏清徐伟方峰崔留宇殷丽娜鲍丙辉
Owner 无锡市蓝格林金属材料科技有限公司
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