Practical Concerns
Core steel is much more costly than mild steel—in 1981 it was more than twice the cost per unit weight.
The size of magnetic domains in the sheet can be reduced by scribing the surface of the sheet with a laser, or mechanically. This greatly reduces the hysteresis losses in the assembled core.
Read more about this topic: Electrical Steel
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“The idealists dream and the dream is told, and the practical men listen and ponder and bring back the truth and apply it to human life, and progress and growth and higher human ideals come into being and so the world moves ever on.”
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