| 熔盐电沉积过程温度对1.6Si无取向硅钢Si扩散的影响 |
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| 引用本文： | 李慧,梁精龙,赵晓萍,李运刚,张芬萍. 熔盐电沉积过程温度对1.6Si无取向硅钢Si扩散的影响[J]. 特殊钢, 2014, 35(6): 12-14 |
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| 作者姓名： | 李慧 梁精龙 赵晓萍 李运刚 张芬萍 |
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| 作者单位： | 1河北联合大学冶金与能源学院现代冶金技术教育部重点实验室，唐山063009；2河北工业职业技术学院，石家庄050000 |
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| 摘 要： | 试验了通过NaCl-KCl-NaF-SiO2熔盐在电流密度50 mA/cm2、电沉积脉冲电流正反向比9:1和750~850℃60min电沉积下阴极（/mm）20×20×0.5的1.6Si无取向冷轧硅钢片断面层硅的分布,并通过计算得出Si的扩散系数。结果表明,电沉积温度由750℃提高至850℃时,试样中Si含量增加,扩散的深度由18μm提高到40μm;电沉积温度与Si在钢中的扩散系数近似符合Arrhenius指数关系。
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| 关 键 词： | 无取向硅钢 电沉积 温度 硅 扩散系数 |
| 收稿时间： | 2014-06-10 |
Effect of Temperature on Diffusion of Si in 1.6Si Non-Oriented Silicon Steel during Molten Salt Electro-Deposit Process |
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| Li Hui,Liang Jinglong,Zhao Xiaoping,Li Yungang,Zhang Fenping. Effect of Temperature on Diffusion of Si in 1.6Si Non-Oriented Silicon Steel during Molten Salt Electro-Deposit Process[J]. Special Steel, 2014, 35(6): 12-14 |
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| Authors: | Li Hui Liang Jinglong Zhao Xiaoping Li Yungang Zhang Fenping |
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| Affiliation: | 1 Key Laboratory of Ministry of Education for Modem Metallurgy Technology, College o£ Metallurgy and Energy, HebeiUnited University, Tangahan 063009 ； 2 Hebei Professional Industry and Technology, Shijiazhuang 050000 |
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| Abstract: | The distribution of silicon at cross section of cathode (/mm) 20 X 20 X 0. 5 sheet of 1. 6Si non-oriented cold rolled silicon steel after electro-deposit treatment by NaCl-KCl-NaF-SiO2 molten salt with current intensity 50 mA/ cm2 , electro-deposit pulse current positive-negative ratio 9：1 at 750 ~ 850 ℃ for 60min has been tested and the diffusion coefficient of Si is obtained by calculation. Results show that with increasing electro-deposit temperature from 750 ℃ to 850 ℃, the Si content in sample increases and the diffusion depth increases from 18 μm to 40 μm ； the relation between electrodeposit temperature and diffusion coefficient of Si in steel is similar to Arrhenius exponential relationship. |
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