What are soft magnetic materials?
Soft magnetic material means that after magnetization, it can not retain the original magnetism. Such as iron, silicon steel, nickel iron alloy etc.. Used to make transformers, electromagnets, etc
Hard magnetic material (permanent magnet) refers to the magnetization of magnetic materials can be preserved for a long time are common in high carbon steel, aluminum nickel cobalt alloy, titanium cobalt alloy, barium ferrite is used in magnetic recording, such as audio tapes, video tapes, computer disk powder etc.
Soft magnetic material means that after magnetization, it can not retain the original magnetism.
