If using superglue to glue a magnet onto something metal does diminish the magnet‘s magnetic field, then what kind of glue can I use to glue a magnet to a metal surface?Thanks.
Araldite, Perspex(Acrylic sheet), PVC, Sulpher, water are Paramagnetic that implies their (?/?0) is less than 1.0. For Ferromagnets this ratio runs very high into several thousands even. It is most likely that your so-called superglue falls in this category. Magnetic flux-density (B) multiplied by area of cross-section (of its entire magnetic path) and permeability (?) gives the total flux, that is constant for a magnet. By tracing out the path (section-wise) over different sections of 'superglue', free space etc, you can compute B at any point. Basically the superglue spreads out the field lines loose, that will bunch again after the barrier.
This Site Might Help You. RE: Will using superglue to glue a magnet on something metal diminish the magnetic field? If using superglue to glue a magnet onto something metal does diminish the magnet's magnetic field, then what kind of glue can I use to glue a magnet to a metal surface? Thanks.
If you superglue a magnet to any magnetic material: anything that contains iron, nickel or cobalt (there are a few others too), including stainless steel, it will not diminish the magnetic field at all. Not any more than if you glued it to wood. It would, however, change the . shape of the field. This technique is used, for example to make moderately strong magnets have a much stronger effect by sandwiching them between metal plates: most magnetic door latches use this sort of approach.
