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What does a magnetic field look like?

We're often asked about what the shape of a magnetic field looks like, and how it is changed by its surrounding environment. Below are a few screenshots taken from a magnetic FEA (Finite Element Analysis) software analysis. For these pictures, our popular D42 magnet is shown throughout.

  1. A D42 magnet in free space
  2. A D42 magnet touching a flat steel plate (Case 1)
  3. A D42 magnet between two flat steel plates (Case 2)
  4. A pair of D42 magnets (Case 3)
  5. A pair of D42 magnets attracting, animated
  6. A pair of D42 magnets repelling, animated

A D42 magnet in free space:



A D42 magnet touching a flat steel plate (Case 1):



A D42 magnet between two flat steel plates (Case 2):



A pair of D42 magnets (Case 3):



A pair of D42 magnets attracting, animated:



A pair of D42 magnets repelling, animated:



January
Specials

MM-C-36
10% Off
MM-C-36 Mounting Magnets

With a metric, M6 stud for easy mounting, a great magnet for attracting to a flat steel surface!

See our Mounting Magnets section for similar magnets.

SB664-IN
10% Off
SB664-IN Stepped Block Magnets
Great for applications where a mechanical hold on the magnet is required.

See our Stepped Block Magnets section for similar magnets.


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K&J Magnetics, Inc.
Your online source for incredibly powerful neodymium magnets