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What Are Permanent Magnets? - Tech-FAQ
Development of new magnet that reduces use of rare-earth element by 30%
High-Quality Permanent Magnets | First4Magnets
Electromagnets vs Permanent magnets - SM Magnetics
Permanent magnet materials for electric motors | GlobalSpec
A hard permanent magnet through molecular design | Communications Chemistry
Electromagnets vs. Permanent Magnets: Which One Do I Need?
NdFeB magnets: Where is the Next Breakthrough Permanent Magnet Material? - Bunting DuBois
Modern Permanent Magnets (Woodhead Publishing Series in Electronic and Optical Materials): Croat, John J., Ormerod, John: 9780323886581: Amazon.com: Books
How Long Will Your Magnet Last? 100 years with proper care! | MPI
Difference between an Electromagnet and a Permanent Magnet | Stanford Magnets
Origin of Permanent Magnetism
How Long Do Magnets Last? - intermag2020.com
How long do magnets last? - IMA
Design and operation of high-power permanent magnet speed regulator used in industry | Scientific Reports