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材料导报  2021, Vol. 35 Issue (22): 22141-22145    https://doi.org/10.11896/cldb.20080274
  金属与金属基复合材料 |
添加硼酸和钨酸铵对取向硅钢无铬绝缘涂层的影响
杨浩1, 王成1, 肖小波1, 王晨1, 陈俊锋1, 汪炳叔1, 张维林2, 崔熙贵3
1 福州大学材料科学与工程学院,福州 350108
2 新万鑫(福建)精密薄板有限公司,莆田 351200
3 江苏大学机械工程学院,镇江 212013
Effects of Boric Acid and Ammonium Tungstate Additions on the Chromium-free Insulating Coating of Grain-oriented Silicon Steel
YANG Hao1, WANG Cheng1, XIAO Xiaobo1, WANG Chen1, CHEN Junfeng1, WANG Bingshu1, ZHANG Weilin2, CUI Xigui3
1 College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
2 New Wanxin (Fujian) Precision Sheet Co., Ltd., Putian 351200, China
3 School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
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摘要 本工作研究了添加硼酸和钨酸铵对取向硅钢无铬绝缘涂层的显微组织和性能的影响。结果表明:在无铬磷酸盐绝缘涂液中适当地加入硼酸和钨酸铵可以显著提高涂液在取向硅钢基片上的润湿性,绝缘涂层表面变得致密光滑,且提高了涂层与硅钢基片的结合质量。涂液中复合添加2.0%(质量分数)硼酸和0.5%(质量分数)钨酸铵所制备的绝缘涂层对硅钢的综合性能提升效果最好,含有该涂层的取向硅钢的叠装系数为98.2%,铁损P17/50为1.155 W·kg-1,磁感应强度B8为1.876 T,层间电阻为19 366 Ω·mm2。此外,绝缘涂层的耐吸湿性和硅钢的耐腐蚀性也有所提高。
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杨浩
王成
肖小波
王晨
陈俊锋
汪炳叔
张维林
崔熙贵
关键词:  取向硅钢  无铬绝缘涂层  磁性能  耐吸湿性  耐腐蚀性    
Abstract: The effects of boric acid and ammonium tungstate on the microstructure and properties of chromium-free insulating coatings for grain-oriented silicon steel were studied. It is shown that the wettability of coating solution can be significantly improved by the properly combined additions of boric acid and ammonium tungstate in the chromium-free phosphate coating solution. The coating surface becomes more compact and smooth, and the bonding quality between the insulating coating and the steel substrate is better. The best comprehensive properties can be obtained in the steel coated with the solution containing 2.0wt% boric acid and 0.5wt% ammonium tungstate. The lamination factor is 98.2%, the core loss P17/50 is 1.155 W·kg-1, the magnetic induction intensity B8 is 1.876 T and the interlamination resistance is 19 366 Ω·mm2. Furthermore, the improvements of the moisture resistance of coating and the corrosion resistance of grain-oriented silicon steel can also be observed.
Key words:  grain-oriented silicon steel    chromium-free insulating coating    magnetic property    moisture resistance    corrosion resistance
出版日期:  2021-11-25      发布日期:  2021-12-13
ZTFLH:  TG174  
基金资助: 福建省高校产业合作项目(2017H6016);福建省自然科学基金(2017J01477);国家自然科学基金(51871057)
通讯作者:  msewang@fzu.edu.cn   
作者简介:  杨浩,2018年6月毕业于福州大学至诚学院,获得工学学士学位。现为福州大学材料科学与工程学院硕士研究生,在王晨教授的指导下进行研究。主要从事磁性材料的研究。
王晨,福州大学教授,2006 年毕业于浙江大学,获材料科学与工程专业博士学位。同年进入福州大学工作至今,主要研究方向包括:稀土永磁材料和高强高导铜合金材料。在国内外学术期刊上发表文章 50 多篇, 授权发明专利 10 项。
引用本文:    
杨浩, 王成, 肖小波, 王晨, 陈俊锋, 汪炳叔, 张维林, 崔熙贵. 添加硼酸和钨酸铵对取向硅钢无铬绝缘涂层的影响[J]. 材料导报, 2021, 35(22): 22141-22145.
YANG Hao, WANG Cheng, XIAO Xiaobo, WANG Chen, CHEN Junfeng, WANG Bingshu, ZHANG Weilin, CUI Xigui. Effects of Boric Acid and Ammonium Tungstate Additions on the Chromium-free Insulating Coating of Grain-oriented Silicon Steel. Materials Reports, 2021, 35(22): 22141-22145.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.20080274  或          http://www.mater-rep.com/CN/Y2021/V35/I22/22141
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