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Processing Technology of High Strength and High Elongation Brass Alloy Strip

A brass alloy and processing technology, which is applied in the processing technology field of high-strength and high-elongation brass alloy strips, can solve the problems that the requirements of the strength and elongation performance of brass cannot be met, and the requirements of brass performance are relatively strict, and the The effect of strengthening cooling intensity, improving comprehensive performance and good application performance

Active Publication Date: 2018-10-23
JIANGXI KAIAN INTELLIGENT LTD BY SHARE CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is a huge demand for brass connectors in the market. With the improvement of equipment and technology, customers have strict requirements on the performance of brass. The existing brass processing technology cannot meet the market's requirements for brass strength and elongation performance.

Method used

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  • Processing Technology of High Strength and High Elongation Brass Alloy Strip
  • Processing Technology of High Strength and High Elongation Brass Alloy Strip

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] Such as figure 1 As shown, the processing technology adopted by the present invention to produce 0.1-0.2×400mm brass alloy strips is as follows: smelting half of the continuous casting ingot——cold rolling group—heat treatment.

[0024] (1) Choose copper and zinc as raw materials, and melt them in the smelting device after the raw materials are dried. The melting temperature is 850°C-1100°C. Rare earth lanthanide metals, manganese and iron are stirred, and baked charcoal is used as a covering agent to ensure the vacuum state of the alloy liquid. The thickness of the charcoal is 80mm-100mm. The mass percentages of the alloy components are: copper: 60%-80%, rare earth lanthanide metals: 0-0.3%, manganese: 0-0.4%, iron: 0-0.03%, unavoidable impurities less than or equal to 0.1%, The balance is zinc. The rare earth lanthanides are neodymium and lanthanum. Addin...

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Abstract

The invention relates to the technical field of novel material forming, in particular to a processing technology for a high-strength and high-extensibility brass alloy strip. The processing technology comprises the following steps that copper and zinc are selected as raw materials, the raw materials are dried and melted in a smelting device, two kinds of rare earth lanthanide series metal, namely, manganese and iron are sequentially added and stirred, and baked charcoal is adopted as a covering agent to ensure the vacuum state of alloy liquid; and the generated alloy liquid is subjected to a semicontinuous casting method, a casting machine adopts vibration type pull-casting, a hot rolling mill set is adopted for rolling, a rolled strip is subjected to surface milling, a cold rolling mill set is adopted for rolling, finish rolling is conducted, and recrystallization annealing is adopted for finish rolling. Fine and uniform equiaxial crystals are obtained through the processing technology and achieve a fine crystal strengthening effect, the comprehensive performance of brass is improved, and a brass alloy produced through the processing technology is high in strength, has good extension performance, and has good application performance in manufacturing of brass electronic elements.

Description

technical field [0001] The invention relates to the technical field of new material forming, in particular to the processing technology of high-strength and high-elongation brass alloy strips. Background technique [0002] Brass is an alloy composed of copper and zinc. Because of its beautiful color, wear resistance, corrosion resistance, and good plastic processing performance, brass strips are widely used in hardware, electronic and telecommunications industries, and have broad market prospects. At present, there is a huge demand for brass connectors in the market. With the improvement of equipment and technology, customers have strict requirements on the performance of brass. The existing brass processing technology cannot meet the market requirements for brass strength and elongation performance. Contents of the invention [0003] In order to solve the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a processing technol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C9/04C22C1/02B22D11/055C22F1/08B23P15/00
CPCB22D11/004B22D11/055B23P15/00C22C1/02C22C9/04C22F1/08
Inventor 李泽周胜杜正平
Owner JIANGXI KAIAN INTELLIGENT LTD BY SHARE CO LTD
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