What are non-magnetic materials

Which metals are magnetic & which are not?

It is generally assumed that all metals are magnetic, but this is not the case, there are magnetic metals and metals that are not magnetic, and some metals do not become magnetic until they are exposed to a certain temperature, but at what temperature Metals are these, which metals are inherently magnetic and which ones need some support to become magnetic?

The term ferromagnetism is used to describe this. Ferromagnetism is probably the best known type of magnetism in a solid. The process can be explained as follows: the elementary magnets of the atoms of the material tend to align themselves in parallel. These elementary magnets either generate a permanent magnetic field themselves or are strongly attracted by a pole of an external magnetic field.

Magnetic substances

  • Nickel at room temperature
  • Cobalt at room temperature
  • Iron at room temperature
  • Gadolinium at low temperature
  • Dysprosium at low temperature
  • Holmium at low temperature
  • Erbium at low temperature
  • Terbium at low temperature

Non-magnetic substances

  • paper
  • aluminum
  • copper
  • plastic
  • Wood
  • silver
  • lead
  • gold

These are some of the best-known magnetic and non-magnetic substances, but there are numerous other substances that can be classified in these lists. In addition, numerous alloys are ferromagnetic. An alloy is a metallic material that consists of at least two elements.

These alloys together result in the typical metal feature of the crystalline structure with a metal bond. There are therefore numerous metals that are not magnetic in their basic form and must be exposed to at least room temperature in order to become magnetic at all. Other substances are by nature non-magnetic and cannot become so even through external influences.