How do you make magnetic?

Answer 1

Magnets are created by magnetizing certain metals that can be magnetized, called ferromagnetic materials. Ferromagnetic materials can be magnetized in the following ways:

# Heating the object above its Curie temperature, allowing it to cool in a magnetic field and hammering it as it cools. This is the most effective method, and is similar to the industrial processes used to create permanent magnets. # Placing the item in an external magnetic field will result in the item retaining some of the magnetism on removal. Vibration has been shown to increase the effect. Ferrous materials aligned with the earth's magnetic field and which are subject to vibration (e.g. frame of a conveyor) have been shown to acquire significant residual magnetism. A magnetic field much stronger than the earth's can be generated inside a solenoid by passing direct current through it. # Stroking - An existing magnet is moved from one end of the item to the other repeatedly in the same direction.

Answer 2

To make something magnetic, you can either expose it to a magnetic field generated by another magnet or induce magnetism by passing an electric current through it. This process aligns the magnetic domains within the material, creating a magnetic field. Also, some materials are naturally magnetic, like iron, cobalt, and nickel.