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公开(公告)号:US20230407432A1
公开(公告)日:2023-12-21
申请号:US18233553
申请日:2023-08-14
申请人: POSCO CO., LTD
发明人: Min Serk Kwon , Chang Soo Park , Heon-Jo Choi , Se-Min Park
IPC分类号: C21D9/46 , C04B35/185 , C04B35/622 , C04B35/64 , C21D1/68 , C21D6/00 , C21D8/00 , C21D8/12 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08
CPC分类号: C21D9/46 , C04B35/185 , C04B35/62222 , C04B35/64 , C21D1/68 , C21D6/001 , C21D6/005 , C21D6/008 , C21D8/005 , C21D8/1272 , C22C38/001 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C04B2235/3206 , C04B2235/3232 , C04B2235/3262 , C04B2235/3279 , C04B2235/3293 , C04B2235/3294 , C04B2235/3409 , C04B2235/3463 , C04B2235/3826 , C04B2235/386 , C04B2235/447 , C04B2235/787 , C22C2202/02
摘要: The present invention provides an annealing separator composition, a grain-oriented electrical steel sheet and a method for manufacturing a grain-oriented electrical steel sheet.
An annealing separator composition for a grain-oriented electrical steel sheet according to an embodiment of present invention comprising: on the basis of total solid 100 wt %, 5 to 70 wt % of mullite; and the remainder being magnesium oxide or magnesium hydroxide.