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錫磷青銅薄板坯水平電磁連鑄技術(shù)的優(yōu)化研究
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國家自然科學(xué)基金（51204101）


Optimization of Electromagnetic Horizontal Continuous Casting Technology of Phosphor Bronze Slab
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    摘要:

    對錫磷青銅薄板坯水平連鑄的行波電磁攪拌技術(shù)進行了優(yōu)化研究，提出了在攪拌器的端部放置硅鋼片、改變攪拌器的長度以及減小攪拌器的端部電流強度等3種方法，來優(yōu)化連鑄薄板坯端部的流動和凝固過程，并采用數(shù)值模擬和工廠實驗相結(jié)合的方法對其進行了分析。結(jié)果表明：相比其他2種方法，通過在行波攪拌器的端部放置硅鋼片更有利于改善熔體端部的流動狀況，當(dāng)施加硅鋼片的長度為150 mm時，熔體端部的強環(huán)流消失，連鑄坯端部的凝固坯生長更加均勻，從而有利于防止連鑄薄板坯邊部的裂紋和偏析缺陷產(chǎn)生

    Abstract:

    In order to improve the edge quality of horizontal continuous casting phosphor bronze slab, three methods including applying silicon steel at ends of the traveling magnetic field stirrer, changing the length of traveling magnetic field stirrer, and reducing the ends current intensity of traveling magnetic field stirrer were proposed, and a numerical simulation method was used to study the flow and solidification process of continuous casting phosphor bronze slab. The results show that compared to the other two methods, the method of placing the silicon steel sheet on the edge of the traveling electromagnet stirrer is more beneficial to improve the melt flow. When the length of the silicon steel sheet is 150 mm, the strong flow at the melt ends disappears and the ends melt solidification process is more uniform, which is helpful to prevent the crack and segregation defect and improve the edge quality of continuous casting phosphor bronze slab.

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張 琦,郭麗娟,李廷舉.錫磷青銅薄板坯水平電磁連鑄技術(shù)的優(yōu)化研究[J].稀有金屬材料與工程,2015,44(10):2553~2556.[Zhang Qi, Guo Lijuan, Li Tingju. Optimization of Electromagnetic Horizontal Continuous Casting Technology of Phosphor Bronze Slab[J]. Rare Metal Materials and Engineering,2015,44(10):2553~2556.]
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  • 收稿日期:2014-10-12
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  • 在線發(fā)布日期: 2016-07-13
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