Is Nickel Magnetic? 7 Facts You Should Know!

by

Nickel, a silvery-white metal, is naturally found in deposits in the earth’s crust. Let us check the magnetic properties of nickel.

Nickel is a common magnetic substance having ferromagnetic characteristics. Due to the parallel alignment of its two unpaired electrons or spins in the presence of an external magnetic field, nickel is ferromagnetic by nature.

Due to its ability to retain its magnetism even in the absence of external, nickel is permanently magnetized. We will talk about whether nickel is magnetic in silver, whether it is magnetic in titanium, why nickel is magnetic, its magnetic property, including permeability, susceptibility, and saturation.

Is nickel silver magnetic?

Nickel, the 24th most plentiful metal in the globe, is a transition metal, it is in the mid of the periodic chart. Let us test the magnetism of nickel and silver.

Nickel silver metal is a non-magnetic alternative with diamagnetic characteristics. This product can be engraved and oxidizes to a dark black color because it still has a copper base.

Silver, cobalt, iron, nickel, and some rare metal alloys are among the metals that are magnetic, but a magnet would not attract silver, cobalt, iron, nickel, and these metals. Because metallic silver is diamagnetic rather than ferromagnetic, this is the case.

Is nickel titanium magnetic?

Nitinol is another name for nickel titanium. Let us verify the magnetic properties of nickel and titanium.

Magnetic elements are nickel-titanium. One thing is for sure: only if titanium is mixed with elements like cobalt, nickel, iron, or anything else with potent magnetic qualities will the new alloys be magnetic. If not, titanium won’t pass any of its low magnetizations to the alloy.

Nickel titanium is a metal alloy made of nickel and titanium, with about equal amounts of each element present by atomic proportion. According to the weight percentages of nickel, different alloys are given names like Nitinol 55 and Nitinol 60.

Why is nickel ferromagnetic?

It is well known in ferromagnetism that massive clusters of atoms freely align within ferromagnetic materials. Let us examine the ferromagnetism of nickel.

Nickel exhibits ferromagnetism according to the quantum physical phenomenon known as exchange coupling, which involves atoms’ electron, spins communicating with one another. Despite the possibility for atomic collisions to randomize, the outcome is alignment of the atoms’ magnetic dipole moments.

640px Electrolytic nickel
Image Credit – Electrolytic nickel by Jurii (CC-BY-3.0)

Fixed atomic magnetic dipoles and is naturally allow the passage to each other even in the absence of an external field can be seen in ferrites. It is challenging to comprehend the principle of magnetic since two dipoles lined side by side with their phases in the same way repel each other magnetically.

Nickel magnetic properties

Temperature affects the characteristics of ferromagnetism. Let us check out the magnetic characteristics of nickel.

  • The domains of the nickel atoms have a persistent dipole moment.
  • Nickel’s atomic dipoles are pointed in the same general direction as the surrounding magnetic field.
  • Nickel has a sizable magnetic dipole that faces the magnetizing field.
  • Nickel exhibits a strong magnetic susceptibility that is positive.
  • Due to the increased temperature when nickel is liquid, it loses its ferromagnetic characteristics.
  • The field has a significant attraction for nickel. They consequently tend to remain at the poles where the field is strongest in a non-uniform field.
  • Nickel has a very high relative permeability that varies linearly with the material’s internal magnetizing field, which is stronger than the external magnetizing field. They frequently draw a lot of lines in.

Ferromagnetic materials turn paramagnetic at a high enough temperature. Curie’s temperature is the point at which this transition takes place. Tc is the abbreviation for Curie’s temperature.

Nickel magnetic permeability

A material is said to be permeable if an applied magnetic field can easily synchronize the internal eddy currents of the material. Let us look into nickel’s magnetic permeability.

At the same frequency and temperature, commercially pure nickel was found to have a magnetic permeability of 3.61 +/- 0.08. The permeability rose with temperature, peaking at 12.22 at 320 degrees Celsius before rapidly decreasing to unity at 370 degrees Celsius.

The formula μ = B/H, where μ  is the permeability, B is the magnetic flux density, and H is the magnetizing force, is used to determine the magnetic permeability of nickel.

Nickel magnetic susceptibility

The K-10 magnetic susceptibility meter has the capability to assess the magnetic susceptibility of any substance. Let us discuss nickel’s magnetic susceptibility.

The molecular magnetic susceptibility of nickel is 0.004423. The measurement of a material’s degree of magnetization in response to an externally applied magnetic field is called magnetic susceptibility.

Nickel magnetic saturation

It is defined that a material is saturated when no additional internal magnetism can be produced in it. Let us check the magnetic saturation of nickel.

Nickel magnetic saturation is 56.1 emu/g. The fluid state of nickel magnetic saturation depends on the magnetic properties of the material as well as the strength and direction of the applied magnetic field.

When a rise in the external magnetic field H cannot further enhance the magnetization of the material, as is the case with some magnetic materials, saturation is the state that results and the total magnetic flux density B more or less falls off.

Conclusion

This article leads us to the conclusion that nickel is a magnetic substance. In this post, we also covered the topics of nickel magnetic saturation, susceptibility, permeability, and characteristics as well as whether nickel is magnetic in silver and titanium.

Also Read: