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Production method of microalloyed tin bronze alloy

A micro-alloying and tin-bronze technology, which is applied in the field of preparation of micro-alloying tin-bronze alloys, can solve problems such as inapplicability, and achieve the effects of saving energy, reducing the degree of segregation, and small size

Inactive Publication Date: 2012-10-24
JIANGXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above patents and methods are not suitable for large-scale plate and strip production, and the current production method for plate and strip, the ingots must be homogenized before rolling.

Method used

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  • Production method of microalloyed tin bronze alloy
  • Production method of microalloyed tin bronze alloy
  • Production method of microalloyed tin bronze alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Micro-alloyed tin-bronze alloy preparation method of the present invention, concrete steps are:

[0032] 1. Alloy melting: non-vacuum induction furnace is used for melting. Put the electrolytic copper into the smelting furnace, heat until the melt is completely melted, add a covering agent to keep it warm, after degassing and impurity removal, cover with burning charcoal, add the dried Cu-P master alloy and Sn, and stir well After standing;

[0033] 2. Microalloying treatment: add 0.2% cobalt refiner to the refined melt, and perform microalloying treatment at a high temperature of 1240-1300 ° C; The smelting temperature is consistent, and the microalloying treatment temperature refers to the temperature used in the existing alloy smelting;

[0034] 3. Alloy casting: Ingot casting of microalloying melt, the casting temperature is 1150-1250°C slightly lower than the temperature used in the above microalloying treatment, under the action of cooling conditions and refiner...

Embodiment 2

[0038] Micro-alloyed tin-bronze alloy preparation method of the present invention, concrete steps are:

[0039] 1. Alloy melting: non-vacuum induction furnace is used for melting. Put the electrolytic copper into the smelting furnace, heat until the melt is completely melted, add a covering agent to keep it warm, after degassing and impurity removal, cover with burning charcoal, add the dried Cu-P master alloy and Sn, and stir well After standing;

[0040] 2. Microalloying treatment: add 0.6% cobalt refiner to the refined melt, and perform microalloying treatment at a high temperature of 1240-1300 ° C; The temperature is consistent, and the microalloying treatment temperature refers to the temperature used in the existing alloy melting;

[0041] 3. Alloy casting: Ingot casting of microalloying melt, the casting temperature is 1150-1250°C slightly lower than the temperature used in the above microalloying treatment, under the action of cooling conditions and refiner cobalt, f...

Embodiment 3

[0045] Micro-alloyed tin-bronze alloy preparation method of the present invention, concrete steps are:

[0046] 1. Alloy melting: non-vacuum induction furnace is used for melting. Put the electrolytic copper into the smelting furnace, heat until the melt is completely melted, add a covering agent to keep it warm, after degassing and impurity removal, cover with burning charcoal, add the dried Cu-P master alloy and Sn, and stir well After standing;

[0047] 2. Microalloying treatment: add 1.0% cobalt refiner to the refined melt, and perform microalloying treatment at a high temperature of 1240-1300 ° C; The temperature is consistent, and the microalloying treatment temperature refers to the temperature used in the existing alloy melting;

[0048] 3. Alloy casting: Ingot casting of microalloying melt, the casting temperature is 1150-1250°C slightly lower than the temperature used in the above microalloying treatment, under the action of cooling conditions and refiner cobalt, f...

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Abstract

The invention discloses a production method of microalloyed tin bronze alloy. The production method of the microalloyed tin bronze alloy includes the steps of firstly, subjecting alloy to smelting, thermal insulation, degassing, deslagging and refining in a smelting furnace; secondly, adding refiner to refined melt for microalloying; thirdly, performing alloy casting, namely subjecting the microalloyed melt to ingot casting; and fourthly, performing cold rolling and cogging, namely subjecting the alloy subjected to alloy casting to cold rolling so as to obtain deformed tin bronze alloy. Casting grain of the microalloyed tin bronze alloy produced by the production method is small in size, segregation degree of Sn in the alloy can be lowered, brittle cracking in rolling can be eliminated, and the alloy is highly plastic. Especially, the microalloyed castings can be directly subjected to cold rolling, and accordingly a homogenizing step in the existing production method is omitted, energy resources are economized, process flow is shortened, production efficiency is improved, and production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of copper alloy material processing, in particular to a preparation method of micro-alloyed tin-bronze alloy. Background technique [0002] With the development of electronic information, automobile and communication industries, the amount of connectors and elastic conductive alloys is increasing. Copper-based elastic alloys are widely used in various conductive elastic components such as electrical connectors, springs, connectors, switches, contacts, etc. due to their excellent electrical and thermal conductivity and good mechanical properties. [0003] Copper-based elastic alloys are structural and functional materials with broad application prospects. Whether in traditional industries, high-tech, or cutting-edge scientific fields, their demand is increasing day by day, and their performance requirements are getting higher and higher. After decades of development, in developed countries, the development o...

Claims

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Application Information

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IPC IPC(8): C22C1/03C22C1/06C22F1/08
Inventor 蔡薇柳瑞清王刚柳羏谢伟滨杨胜利许洪胤邓予生吴语
Owner JIANGXI UNIV OF SCI & TECH
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