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High-intensity wear-resisting complex copper alloy and preparation method thereof

A high-strength, copper alloy technology, applied in the field of metal smelting, can solve the problems of low comprehensive performance cost and high manufacturing cost, achieve good comprehensive mechanical properties, low production cost, and improve melting efficiency

Active Publication Date: 2013-12-11
武汉泛洲中越合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the multi-component complex copper alloy materials currently used either have better wear resistance or better mechanical properties, or have better wear resistance and mechanical properties but relatively high material and manufacturing costs, lacking a combination of better performance and lower cost lower material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A high-strength wear-resistant complex copper alloy material, the weight percentage of its components is as follows:

[0043] Cu 63%

[0044] Pb 0.3%

[0045] Quaternary master alloy 15.5%

[0046] Zn 21.2%.

[0047] Described quaternary master alloy, its component weight percent is as follows:

[0048] Al 32.0%

[0049] Mn 53.0%

[0050] Si 8.0%

[0051] Fe 7.0%

[0052] The preparation method of described quaternary master alloy, its steps are as follows:

[0053] 1) First put about 35Kg of aluminum (Al) into the furnace, and put 28Kg of iron (Fe) blocks or leftovers around it.

[0054] 2) Heat up and melt, after the aluminum (Al) and iron (Fe) are all melted, put about 46Kg of aluminum (Al) ingot around it, put silicon (Si) around it (32Kg is added in 3 times), heat up and melt;

[0055] 3) After the silicon (Si) is melted, heat up, and when the color of the solution becomes lighter, add metal manganese (Mn), 212Kg of manganese is added in about 4 times, and...

Embodiment 2

[0070] A high-strength wear-resistant complex copper alloy material, the weight percentage of its components is as follows:

[0071]Cu 66%

[0072] Pb 0.8%

[0073] Quaternary master alloy 15.5%

[0074] Zn 17.7%.

[0075] Described quaternary master alloy, its component weight percent is as follows:

[0076] Al 36.0%

[0077] Mn 48.0%

[0078] Si 11.0%

[0079] Fe 5.0%

[0080] The preparation method of described quaternary master alloy, its steps are as follows:

[0081] 1) First put about 44Kg of aluminum (Al) into the furnace, and put 20Kg of iron (Fe) blocks or leftovers around it.

[0082] 2) Heat up and melt, after the aluminum (Al) and iron (Fe) are all melted, put about 50Kg of aluminum (Al) ingot around it, put silicon (Si) around it (44Kg is added in 4 times), heat up and melt;

[0083] 3) After the silicon (Si) is melted, heat up, and when the color of the solution becomes lighter, add metal manganese (Mn), 192Kg of manganese is added in four times, and 0....

Embodiment 3

[0098] A high-strength wear-resistant complex copper alloy material, the weight percentage of its components is as follows:

[0099] Cu 65%

[0100] Pb 0.5%

[0101] Quaternary master alloy 15.5%

[0102] Zn 19%.

[0103] Described quaternary master alloy, its component weight percent is as follows:

[0104] Al 34.0%

[0105] Mn 51.0%

[0106] Si 9%

[0107] Fe 6%

[0108] The preparation method of described quaternary master alloy, its steps are as follows:

[0109] 1) First put about 40Kg of aluminum (Al) into the furnace, and put iron (Fe) blocks or 24Kg of leftovers around it.

[0110] 2) Heat up and melt. After the aluminum (Al) and iron (Fe) are all melted, put about 47Kg of aluminum (Al) ingot around it, put silicon (Si) around it (36Kg is added in 4 times), heat up and melt;

[0111] 3) After the silicon (Si) is melted, heat up, and when the color of the solution becomes lighter, add metal manganese (Mn), 204Kg of manganese is added in about 4 times, and the f...

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Abstract

The invention discloses a high-intensity wear-resisting complex copper alloy material and a preparation method thereof. The alloy material comprises the following components in percentage by weight: 63-66% of Cu, 4.5-6.0% of Al, 7.0-8.5% of Mn, 1.0-2.0% of Si, 0.5-1.5% of Fe, 0.3-0.8% of Pb, less than 0.5% of Ni, less than 0.5% of Sn and the balance of Zn. The alloy material has the advantages that good comprehensive mechanical property is achieved, a gear ring made of the alloy material is excellent in abrasion property, the preparation cost of the alloy material is relatively low, the strength of the alloy material is enhanced through metal Al, and the high-hardness wear-resisting Mn5Si3 strengthening phase is formed by metal Mn and Si, so that the wear-resisting property is improved; the cutting machining property of cast brass is effectively improved through adopting the metal Pb, so that the wear resistance is improved; as the quaternary intermediate alloy is subjected to alloying, the melting point of the alloy is lower than the melting point of a high melting point element, so that the melting efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of metal smelting, in particular to a high-strength wear-resistant complex copper alloy and a manufacturing method thereof. Background technique [0002] The synchronizer ring is an auto part used in the transmission of the car, and the material is generally copper alloy. However, the multi-component complex copper alloy materials currently used either have better wear resistance or better mechanical properties, or have better wear resistance and mechanical properties but relatively high material and manufacturing costs, lacking a combination of better performance and lower cost lower material. [0003] While the synchronizer industry is pursuing the development of copper alloy gear ring materials with better comprehensive performance, the pressure from cost is becoming more and more obvious, which runs counter to the market's price requirements. There is an urgent need to develop a relatively low-cost co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/05C22C1/03
Inventor 叶甲旺姚联徐星辉徐世雄
Owner 武汉泛洲中越合金有限公司
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