公开(公告)号：EP3000915A1

公开(公告)日：2016-03-30

申请号：EP14800704.0

申请日：2014-05-13

申请人： JFE Steel Corporation

发明人： SASHI, Kazumichi ,  MURAMATSU, Naoki ,  FUJIBAYASHI, Nobue ,  KUBOTA, Takahiro

IPC分类号： C23C22/00

CPC分类号： H01B1/22 ,  C09D1/00 ,  C09D5/00 ,  C09D7/61 ,  C21D8/1283 ,  C23C14/12 ,  C23C14/165 ,  C23C18/1216 ,  C23C18/122 ,  C23C18/1241 ,  C23C18/127 ,  C23C18/1275 ,  C23C22/08 ,  C23C22/62 ,  C23C22/74 ,  C23C2222/20 ,  H01B1/24 ,  H01B3/004 ,  H01B17/62 ,  H01F1/18

摘要： Provided is an electrical steel sheet provided with an insulating coating which has high corrosion resistance and high adhesion.
The electrical steel sheet provided with an insulating coating includes an electrical steel sheet and an insulating coating disposed on the electrical steel sheet. The insulating coating includes Zr and Fe. The content of Zr in the insulating coating is 0.05 to 1.50 g/m 2 in terms of ZrO 2 . The compositional ratio between Zr and Fe is such that the molar ratio of Fe to Zr, that is, the ratio of the amount (moles) of Fe included in the insulating coating to the amount (moles) of Zr included in the insulating coating, is 0.10 to 2.00. It is preferable that the insulating coating further includes Si and the compositional ratio between Zr and Si is such that the molar ratio of Si to Zr, that is, the ratio of the amount (moles) of Si included in the insulating coating to the amount (moles) of Zr included in the insulating coating, is 2.00 or less.

摘要翻译： 本发明提供具有高耐腐蚀性和高粘附性的绝缘涂层的电工钢板。 提供有绝缘涂层的电工钢板包括电工钢板和设置在电工钢板上的绝缘涂层。 绝缘涂层包括Zr和Fe。 以ZrO 2计，绝缘涂层中的Zr含量为0.05〜1.50g / m 2。 Zr和Fe的组成比是这样的：Fe与Zr的摩尔比，即绝缘涂层中包含的Fe的量（摩尔）与绝缘涂层中包含的Zr的量（摩尔）之比， 是0.10至2.00。 优选的是，绝缘涂层进一步包含Si，并且Zr和Si之间的组成比例使得Si与Zr的摩尔比（即，绝缘涂层中包含的Si的量（摩尔）与 （摩尔）为2.00以下。