What are hard and soft magnetic …
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Yogita Ingle 5 years, 11 months ago
Hard magnetic materials:These type of magnetic materials retain their magnetism in absence of magnetic field and also known as permanent magnets.They have high remnant magnetization, high coercivity, low initial permeability, Hysteresis loss is higher, Eddy current loss is more for metallic types and low for ceramic types. Alloys which are composed of iron, cobalt and aluminium are generally acted as hard magnetic materials.
Soft magnetic materials: These type of magnetic materials are those materials which have a smaller area enclosed by their Hysteresis loop. They have low remnant magnetization, low coercivity, high initial permeability, Hysteresis loss is less, Eddy current loss is less. The best examples of soft magnet are iron-silicon alloys, nickel-iron alloy and iron.
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