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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:



September
Specials

D51
10% Off
D51
Disc Magnets
5/16" diameter
x 1/16" thk

R424
10% Off
R424
Ring Magnets
1/4" O.D.
x 1/8" I.D.
x 1/4" thk



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