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单词 Magnetic remanence
释义

Magnetic remanence

英语百科

Remanence

Fig. 1 A family of AC hysteresis loops for grain-oriented electrical steel (Br denotes remanence and Hc is the coercivity).

Remanence or remanent magnetization or residual magnetism is the magnetization left behind in a ferromagnetic material (such as iron) after an external magnetic field is removed. It is also the measure of that magnetization. Colloquially, when a magnet is "magnetized" it has remanence. The remanence of magnetic materials provides the magnetic memory in magnetic storage devices, and is used as a source of information on the past Earth's magnetic field in paleomagnetism.

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更新时间:2025/6/21 15:09:58