Question

Why is steel called a hard magnet?​

Answer 1

Answer:

The movement of dislocations within a material is often hindered by the same factors that affect the motion of domain walls and as a consequence these steels are mechanically very hard and are the origin of the term hard magnetic.

Explanation:

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Answer 2

Answer:

When a nonmagnetic piece of steel is applied to a magnet, the atoms within it rearrange themselves in a manner that creates a permanent magnet. As the atoms become aligned, they create a magnetic field that doesn't lose its strength. ... Steel isn't the only material used to make permanent magnets.

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