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A kind of nickel-aluminum-brass alloy and its preparation process

A brass alloy and preparation technology, which is applied in nickel-aluminum brass alloy-related fields, can solve the problems of poor service performance, poor multiple corrosion resistance, general processing technology performance, and difficult processing technology, and achieve excellent corrosion resistance. The effect of improving anti-discoloration ability and improving the quality of thermal blanking

Active Publication Date: 2020-01-07
江西勇骏实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, all high-performance corrosion-resistant copper alloys are mainly HA177-2 alloys, HSn70-1 alloys and white copper alloys. The main problems are poor corrosion resistance and general processing performance, especially in the production of strips. , the processing technology is difficult, the method is complicated, and the work efficiency is low; it is labor-intensive, time-consuming, energy-consuming, and the production cost is high; and the subsequent use performance and multiple corrosion resistance of the material are poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A nickel-aluminum brass alloy, comprising the following components (by mass percentage): CU: 70%, Al: 2%, Si: 0.5%, Sn: 0.7%, Ni: 0.02%, Mn: 0.05%, and the balance is Zn, said alloy also contains Pb, B and Ce, the mass fractions are respectively Pb: 0.003%, B: 0.003%, Ce: 0.005%, and the total content of the three elements is 0.011%.

[0027] A kind of preparation technology of nickel-aluminum brass alloy, is characterized in that, comprises the following steps:

[0028] Step 1: batching: batching is carried out according to the mass percentage of the above-mentioned materials;

[0029] Step 2: Smelting: use a non-vacuum induction furnace for smelting, the order of alloy addition is: copper-nickel-lead-silicon-manganese-aluminum-zinc-boron-rare earth, during the melting and casting process, the melting temperature is 1140 ° C, boron The composition of rare earth elements and the addition of aluminum elements will cause severe exothermic heat. In order to prevent the po...

Embodiment 2

[0039] A nickel-aluminum brass alloy, comprising the following components (by mass percentage): CU: 72%, Al: 3%, Si: 0.9%, Sn: 1.2%, Ni: 0.1%, Mn: 0.1%, and the balance is Zn, said alloy also contains Pb, B and Ce, the mass fractions are respectively Pb: 0.006%, B: 0.007%, Ce: 0.011%, and the total content of the three elements is 0.024%.

[0040]A preparation process for a nickel-aluminum brass alloy, comprising the following steps:

[0041] Step 1: batching: batching is carried out according to the mass percentage of the above-mentioned materials;

[0042] Step 2: Smelting: Use a non-vacuum induction furnace for smelting. The order of alloy addition is: copper-nickel-lead-silicon-manganese-aluminum-zinc-boron-rare earth. During the melting and casting process, the melting temperature is 1155°C, boron The composition of rare earth elements and the addition of aluminum will cause severe exothermic heat. In order to prevent the possible splashing and injury caused by the addit...

Embodiment 3

[0052] A nickel-aluminum brass alloy, comprising the following components (by mass percentage): CU: 75%, Al: 4%, Si: 1.3%, Sn: 1.5%, Ni: 0.2%, Mn: 0.2%, and the balance is Zn, said alloy also contains Pb, B and Ce, the mass fractions are respectively Pb: 0.01%, B: 0.01%, Ce: 0.015%, and the total content of the three elements is 0.035%.

[0053] A preparation process for a nickel-aluminum brass alloy, comprising the following steps:

[0054] Step 1: batching: batching is carried out according to the mass percentage of the above-mentioned materials;

[0055] Step 2: Smelting: use a non-vacuum induction furnace for smelting, the order of alloy addition is: copper-nickel-lead-silicon-manganese-aluminum-zinc-boron-rare earth, during the melting and casting process, the melting temperature is 1170 ° C, boron The composition of rare earth elements and the addition of aluminum elements will cause severe exothermic heat. In order to prevent the possible splashing and injury caused by...

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Abstract

The invention discloses nickel-aluminum brass alloy. The nickel-aluminum brass alloy comprises, by mass, 70%-75% of CU, 2%-4% of Al, 0.5%-1.3% of Si, 0.7%-1.5% of Sn, 0.02%-0.2% of Ni, 0.05%-0.2% of Mn and the balance Zn. The invention further discloses a preparation technology of the nickel-aluminum brass alloy. The preparation technology includes the following steps of first, burdening; second,smelting; third, saw cutting; fourth, heating; fifth, hot rolling; sixth, surface milling; seventh, cold roughing; eighth, annealing; ninth, finished product rolling and tenth, finished product annealing. According to the nickel-aluminum brass alloy, the alloy elements of Al, Si, Sn, Ni, Mn and the like are added into copper alloy, and the corrosion resistance, wearing resistance and mechanical property can be improved; and moreover, the anti-tarnishing capability can be improved, and the good golden yellow gloss of the alloy can be maintained. The elements of Pb, B and Ce are added into the alloy, the corrosion resistance of the materials is effectively improved, melt can be purified and the casting flowing property is improved.

Description

technical field [0001] The invention relates to the technical field related to nickel-aluminum brass alloys, in particular to a nickel-aluminum brass alloy and a preparation process thereof. Background technique [0002] Architectural decoration has two basic functions: one is to beautify the living environment and create a comfortable living space for human beings; the other is to protect building components. Along with the progress of society, the development of economy and science, new metal decorative material products continue to emerge, and promote the development of the construction industry with its superior usability and high-tech functionality. Metal decoration materials mainly include steel, copper, aluminum and their alloy materials. Among them, copper has special aesthetic properties and conductive properties, especially the golden yellow color of brass alloy, which has a golden color and is widely favored by consumers. [0003] As a corrosion-resistant copper ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C9/04C22C1/02C22F1/08
CPCC22C1/02C22C9/04C22F1/08
Inventor 夏先福邵春先倪敏
Owner 江西勇骏实业有限公司
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