Magnetic Metals vs. Non-magnetic Metals
Magnetic Metals and Non-magnetic Metals
Exhibits attraction and repulsive nature and creates a magnetic field. Do not have attraction and repulsive nature.
Can exhibit a very weak magnetic field.
Have lower coercivity. Higher coercivity.
Electron spins are aligned with the direction of an external magnetic field Electron spins cancel out each other.
Easily detected by metal detectors as they respond to an external magnetic field Not easily detected by metal detectors unless they have good electrical conductivity and magnetic permeability.
Not suitable for electrical wiring as they produce a magnetic field Suitable for electrical insulations and wiring.
Iron, cobalt, nickel, and their alloys are some examples. Copper, titanium, and aluminum are some examples.
Magnetic vs non-magnetic metals
Based on the Nature of Metal
Magnetic materials exhibit the nature of attracting and repelling other materials in the presence of a magnetic field, whereas a non-magnetic material remains unresponsive.
Based on the Coercivity of Metal
Coercivity is the property of a material that tells how strong the magnetic field should be to magnetize/demagnetize them.
Magnetic materials exhibit lower coercivity compared to non-magnetic materials, which possess high coercivity.
Based on the Electron spins
In magnetic materials, the electron spins align in the direction of the magnetic field, whereas for a non-magnetic material, the electron spins align in such a way that their spins cancel out each other.
Magnetic Metals vs. Non-magnetic Metals
Based on the Applications of Metals
Based on their utility, magnetic and non-magnetic materials have different applications.
Metal detectors easily detect magnetic materials and thus have wide applications in the military and industries.
Non-magnetic materials are widely used in electrical wiring and for insulation purposes.
Final Thoughts
Non-magnetic metals are generally used for applications that are subjected to high temperature, corrosive, and magnetic environments.
At higher temperatures, the non-magnetic metals retain their crystalline structure, thereby facilitating their use. For example, paramagnetic metal bauxite is used in blast furnaces.
Using titanium as a safety tool shows its exemplary durability to withstand magnetic forces.
Apart from non-magnetic metals, you can also opt for other non-magnetic materials like rubber, plastic, wood, etc., for applications where high strength or conductivity is not generally required.
Frequently Asked Questions (FAQ)
Can non-magnetic metals be magnetized?
Yes, non-magnetic metals can be magnetized by rubbing the metal against a strong magnet or by striking the metal with a hammer.
Can magnetic metals lose their magnetic properties?
Yes, magnetic metals heated to a temperature above curie temperature lose their magnetic property.
How does hammering affect the magnetic property?
Hammering a material alters the orientation of the dipoles of the material, thereby altering their magnetic propeties.
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