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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19366Ω·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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材料导报
ISSN: 1005-023X
CN: 50-1078/TB
Year: 2021
Issue: 22
Volume: 35
Page: 22141-22145
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 1
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 6
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