| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonoriented electrical steel sheet reduced in core loss degradation even if stress is acted, with which the core loss degradation caused by the assembling of an iron core can be reduced to enhance the efficient of a final apparatus. <P>SOLUTION: The nonoriented electrical steel sheet has a composition containing ≤0.002% C, 0.1 to 4.0% Si, 0.1 to 4.0% Al and <0.1% Mn and also satisfying 2.0 to 6.0% Si+Al, and in which the X-ray random intensity ratio in the ä111} face parallel to the sheet face in the central layer of the sheet thickness is 2.5 to 10.0. The method for producing the steel sheet comprises: a production process using where a steel having prescribed components and eliminating a hot rolled sheet annealing; and a production process performing a cold rolling at a draft of ≥85%. <P>COPYRIGHT: (C)2008,JPO&INPIT |
