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Intermediate Al-Mn alloy and method of manufacturing the same

A master alloy, aluminum-manganese technology, applied in the field of aluminum-manganese master alloy and its preparation, can solve the problems of complex process, high processing cost, long production and processing cycle, etc., and achieve the effects of short investment recovery period, reduced energy consumption and quick results

Inactive Publication Date: 2009-08-19
毕祥玉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, my country's AlMn 10 The master alloy is completed by melting and remelting aluminum ingots. Due to the complex process and long production and processing cycle, the processing cost is relatively high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Raw material ratio:

[0022] (1) Analyze the composition of various materials and the composition of the original aluminum liquid. The manganese content of the first-grade electrolytic manganese sheet is 99.7%. The silicon content in the original aluminum liquid is 0.1%, the iron content is 0.12%, and the aluminum content is 99.97%.

[0023] (2) Calculate the amount of various materials added according to the manganese content required by the national standard (calculated in a 10T furnace). Considering the burning loss and local segregation, the amount of various alloys should be added according to the calculation theory of the upper line of the GB8735-88 national standard quantity.

[0024] Input amount of alloy and primary aluminum liquid (calculated based on 10T furnace): primary aluminum liquid 8T, electrolytic manganese sheet 2T.

[0025] 2. Preparation method:

[0026] The method of directly using the original aluminum liquid is used for production. First, a...

Embodiment 2

[0031] 1. Raw material ratio:

[0032] (1) Analyze the composition of various materials and the composition of the original aluminum liquid. The manganese content of the first-grade electrolytic manganese sheet is 99.8%. The silicon content in the original aluminum liquid is 0.01%, the iron content is 0.01%, and the aluminum content is 99.99%.

[0033] (2) Calculate the amount of various materials added according to the manganese content required by the national standard (calculated in a 10T furnace). Considering the burning loss and local segregation, the amount of various alloys should be added according to the calculation theory of the upper line of the GB8735-88 national standard quantity.

[0034] The input amount of alloy and primary aluminum liquid (calculated based on 10T furnace): primary aluminum liquid 9T, electrolytic manganese sheet 1T.

[0035] 2. Preparation method: The method of directly using the original aluminum liquid is used for production. First, add a ...

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Abstract

The invention discloses an aluminum-manganese (AlMn10) master alloy which is composed of mother batches and accessories. The mother batches include primary aluminum liquid and a first-grade electrolytic manganese flake; the accessories include a refining agent and a covering agent. The invention is characterized in that the alloy composition is as follows according to the weight percentage: 99.7-99.9% of manganese content in the first-grade electrolytic manganese flake, 0.01-0.1% of silicon content in the primary aluminum liquid, 0.01-0.12% of iron content and 99.97-99.99% of aluminum content. The input amounts of the alloy and the primary aluminum liquid (calculating by 10 T furnace) is 8-9T of the primary aluminum liquid, 1-2T of the electrolytic manganese flake and right amounts of the refining agent and covering agent. The master alloy has the advantage that the aluminum-manganese (AlMn10) master alloy achieves the purpose of energy-saving and environment protection by the method of using the primary aluminum liquid to produce the aluminum-manganese master alloy, thereby greatly lowering the investment cost and processing cost, shortening the production period and simplifying the manufacturing technique.

Description

technical field [0001] The present invention relates to a kind of aluminum manganese (AlMn 10 ) master alloy, especially an aluminum-manganese (AlMn 10 ) master alloy and a preparation method thereof, belonging to the technical field of nonferrous metals. Background technique [0002] At present, my country's AlMn 10 The master alloy is completed by melting and remelting aluminum ingots. Due to the complicated process and long production and processing cycle, the processing cost is relatively high. In order to reduce energy consumption, reduce investment and shorten production cycle. We used the primary aluminum liquid to AlMn 10 Master alloys were tested for production. After more than half a year of hard work, good results have been achieved. A qualified AlMn 10 The master alloy came into being. Contents of the invention [0003] The purpose of the invention is to overcome the shortcoming of prior art, provide a kind of aluminum manganese (AlMn 10 ) master alloy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C22/00C22C1/00
Inventor 毕祥玉
Owner 毕祥玉
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