Saturation

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Notion

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Science and technology

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What Wikipedia says

Seen in some magnetic materials, saturation is the state reached when an increase in applied external magnetic field H cannot increase the magnetization of the material further, so the total magnetic flux density B more or less levels off. (Though, magnetization continues to increase very slowly with the field due to paramagnetism.) Saturation is a characteristic of ferromagnetic and ferrimagnetic materials, such as iron, nickel, cobalt and their alloys.

Excerpt from the Wikipedia article “Saturation (magnetic)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Charles Proteus Steinmetz, Public domain, via Wikimedia Commons.