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grain-oriented_electrical_steel

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Grain-oriented electrical steel

Stan Zurek, Grain-oriented electrical steel, Encyclopedia Magnetica, E-Magnetica.pl

Grain-oriented electrical steel - alloy of Fe with up with 6.5% Si, optimised for its magnetic properties, manufactured in laminations or thin sheets (typically less than 0.5 mm) and with crystals of each grain aligned accordingly with respect to the rolling direction. 1)2)3)

Chemical composition of grain-oriented electrical steels:3) typically electrical steels contain around 3% of silicon (but it can vary between 0.2–3.4%), sometimes with addition of aluminium; the balance is iron. Special steel can contain up to 6.5% of Si.

S. Zurek, E-Magnetica.pl, CC-BY-4.0

Progress of power loss reduction in grain-oriented electrical steels2)3)

S. Zurek, E-Magnetica.pl, CC-BY-4.0

GO steel is made with large grains of crystals oriented appropriately along the rolling direction (arrow) grains_in_go_steel.jpg

S. Zurek, E-Magnetica.pl, CC-BY-4.0

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See also

References

1) Anthony John Moses, Energy efficient electrical steels: Magnetic performance, prediction and optimization, Scripta Materialia 67 (2012), 560-565, https://doi.org/10.1016/j.scriptamat.2012.02.027
2), 2) Sławomir Tumański, Handbook of magnetic measurements, CRC Press / Taylor & Francis, Boca Raton, FL, 2011, ISBN 9780367864958
3), 3), 3) Anthony Moses, Philip Anderson, Keith Jenkins, Hugh Stanbury, Electrical Steels, Volume 1: Fundamentals and basic concepts, IET, 2019, ISBN 978-1-78561-970-0
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grain-oriented_electrical_steel.txt · Last modified: 2021/09/02 17:06 by stan_zurek

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