THX-1138 Posted September 13, 2007 Share Posted September 13, 2007 Perhaps not the best forum, but I couldn't find a better one.. I remember from my younger days that there were some things you weren't supposed to do with magnets, including heating and jarring them. The explanation at the time satisfied me. One thing I've wondered about off and on ever since, though: Is placing (and keeping) two opposed magnets (N-N or S-S) in proximity detrimental to their long-term magnetism? TIA.. Link to comment Share on other sites More sharing options...
Klaynos Posted September 13, 2007 Share Posted September 13, 2007 if you are holding them together (applying a force) then yes, you will change the magnetic moments of the magnets domains reducing their magnetisation. Link to comment Share on other sites More sharing options...
kevinalm Posted September 17, 2007 Share Posted September 17, 2007 The effect is negligable for modern permanent magnetic materials (such as NIB). For older materials it is a serious concern. Alnico as an example, iirc. Link to comment Share on other sites More sharing options...
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