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Wear-resistant copper alloy material and preparation method thereof

A technology of alloy materials and wear-resistant copper, which is applied in the field of metal materials, can solve the problems of limited improvement in the wear resistance of copper alloys, and achieve the effects of improved anti-friction and wear resistance, low production cost, and simple preparation process

Inactive Publication Date: 2011-05-11
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although the above technologies have added special elements such as niobium, cerium, nickel, cobalt, etc., the improvement of the wear resistance of copper alloys is limited

Method used

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  • Wear-resistant copper alloy material and preparation method thereof
  • Wear-resistant copper alloy material and preparation method thereof
  • Wear-resistant copper alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Preparation of chrome-plated copper wire and copper-plated iron wire:

[0030] Respectively take copper wires with a diameter of 1 mm and a composition weight percentage of: Al is 5%, Mn is 2.5%, Fe is 2%, Zn is 20%, and the rest is Cu;

[0031] Take the iron wire with a diameter of 1mm, the composition weight percentage of C is 0.05%, Si is 0.2%, Mn is 0.25%, P<0.02%, S<0.025%, and the rest is Fe, the total length of copper wire and iron wire used Quite; the volume percentage of the two metal wires is 5% of the material.

[0032] According to the conventional method of cleaning ball production, each of the above-mentioned chrome-plated copper wire and copper-plated iron wire takes one wire to form a spherical mixed double-wire wire group (each of the two kinds of metal wires takes one wire and forms it at the same time to form a double-wire wire group, Forming can be made according to the cleaning ball or steel wire ball used for washing dishes), the diameter of the m...

Embodiment 2

[0036] Copper alloy material matrix composition weight percentage: Al is 12%, Sn is 5%, Si is 3%, Mn is 0.06%, Fe is 0.06%, Zr is 1%, and the rest is Cu.

[0037] The weight percentage of the chemical composition of the copper wire: Al is 8%, Mn is 5%, Fe is 4%, Zn is 30%, and the rest is Cu. The diameter of the copper wire is 2mm.

[0038] The composition of the iron wire is 0.05% C, 0.2% Si, 0.25% Mn, P<0.02%, S <0.025%, and the rest is Fe. The wire diameter is 2mm. The total length of the copper wire and the iron wire is equivalent; the volume percentage of the two metal wires is controlled to be 40% of the material.

[0039] Chromium plating on the surface of the copper wire and copper plating on the surface of the iron wire according to the conventional method to form a chrome-plated copper wire and a copper-plated iron wire. The thickness of the chrome-plated layer is 200 microns; the thickness of the copper-plated layer is 500 microns. The conventional method that cl...

Embodiment 3

[0042] Copper alloy material matrix composition weight percentage: Al is 11%, Sn is 4%, Si is 2%, Mn is 0.05%, Fe is 0.05%, Zr is 0.7%, and the rest is Cu.

[0043] The weight percentage of the chemical composition of the copper wire: Al is 6%, Mn is 4%, Fe is 3%, Zn is 25%, and the rest is Cu. The diameter of the copper wire is 1.5mm.

[0044] The composition of iron wire is 0.07% C, 0.25% Si, 0.3% Mn, P<0.02%, S <0.025%, and the rest is Fe. The wire diameter is 1.5mm. The total length of the copper wire and the iron wire used is equivalent; the volume percentage of the two kinds of metal wires accounting for the material is 30%.

[0045] Chromium plating on the surface of copper wire and copper plating on the surface of iron wire according to the conventional method to form chrome-plated copper wire and copper-plated iron wire. The thickness of the chrome-plated layer is 150 microns; the thickness of the copper-plated layer is 300 microns. The conventional method that clean...

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Abstract

The invention provides a wear-resistant copper alloy material and a preparation method thereof. The wear-resistant copper alloy material has good performance; and the preparation method has the advantages of simple process and low production cost and is suitable for industrial production. Copper alloys are utilized as substrates for the wear-resistant copper alloy material, wherein metal wire clusters formed by copper wires and iron wires are distributed in the substrates; the diameter of the copper wires and diameter of the iron wires are 1-2mm; the diameter of the metal wire clusters is 10-15cm; the length of the copper wires is equivalent to that of the iron wires; and the copper wires and the iron wires account for 5-40% of the material by volume.

Description

technical field [0001] The invention belongs to the field of metal materials, and relates to a wear-resistant copper alloy material and a preparation method thereof. Background technique [0002] In the field of metal materials, wear-resistant copper alloys have been widely valued as low-cost wear-resistant materials. [0003] Application No. CN200810243568.0 relates to brass alloy smelting technology, and its preparation method has the following steps: a. Preliminary preparation: bake the metal surface; b. Copper, zinc and aluminum are added to the liquid, and high-strength wear-resistant brass is obtained after smelting and sampling analysis. Cobalt is added to the brass, and the mass content of copper is 58-65%, the mass content of iron is 2-8%, and the mass content of zinc The content of brass is 20-26%, the mass content of manganese is 2-6%, the mass content of aluminum is 3-9%, and the mass content of cobalt is 0.03%, which can solve the problem that the existing bra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/02C22C49/14C22C47/08C22C47/04C22C47/02C22C111/00C22C121/02C22C121/00
Inventor 赵浩峰王玲谢超
Owner NANJING UNIV OF INFORMATION SCI & TECH
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