激光刻痕对取向硅钢铁损及噪音性能的影响

电工钢 ›› 2021, Vol. 3 ›› Issue (3): 11-.

激光刻痕对取向硅钢铁损及噪音性能的影响

谢文亮1，程祥威2，张敬1，党宁员2，刘敏2，吴章汉2

1.武汉钢铁有限公司硅钢部，湖北武汉 430083；2.宝山钢铁股份有限公司中央研究院（青山），湖北武汉 430080

出版日期:2021-06-28 发布日期:2021-07-06

Effects of laser scribing on core loss and the noise characteristics of grain-oriented silicon steel

XIE Wenliang1，CHENG Xiangwei2，ZHANG Jing1，DANG Ningyuan2，LIU Min2，WU Zhanghan2

1.Silicon Steel Department, Wuhan Iron & Steel Co.,Ltd., Wuhan 430083,China;2.Central Research Institute(Qingshan), Baoshan Iron & Steel Co. Ltd., Wuhan 430080,China

Online:2021-06-28 Published:2021-07-06

摘要/Abstract

摘要：

研究了不同输入功率激光刻痕对取向硅钢铁损和噪音性能的影响。结果表明：不同输入功率激光刻痕可改善取向硅钢铁损，铁损改善率达到10 %以上；但不同输入功率激光刻痕对取向硅钢噪音性能的影响有差异，功率越大，刻痕深度和宽度越大，钢基被加热到更高温度时内应力增大，新增的闭合磁畴会导致取向硅钢噪音性能变差。

关键词: 取向硅钢, 激光刻痕, 输入功率, 铁损

Abstract:

The effects of laser scribing on the core loss and noise performance of grain-oriented silicon steel were studied with different input power. The results showed that the core loss of the grain-oriented silicon steel was improved by laser scribing with different input power, and the improvement rate of core loss was more than 10 %. However, the influence of different input power on the noise performance of grain-oriented silicon steel was different. The higher the power was, the greater the depth and width of the notch would get, which increased the internal stress of the steel plate when heated to a higher temperature, and the new closed magnetic domain would lead to decrease the noise performance of the grain-oriented silicon steel.

Key words: grain-oriented silicon steel, laser scribing, input power, core loss

谢文亮, 程祥威, 张敬, 党宁员, 刘敏, 吴章汉. 激光刻痕对取向硅钢铁损及噪音性能的影响[J]. 电工钢, 2021, 3(3): 11-.

XIE Wenliang, CHENG Xiangwei, ZHANG Jing, DANG Ningyuan, LIU Min, WU Zhanghan.

Effects of laser scribing on core loss and the noise characteristics of grain-oriented silicon steel [J]. Electrical Steel, 2021, 3(3): 11-.

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