Permag, the only US-based producer of samarium cobalt magnets, is making an aggressive expansion of its manufacturing capacity at the Lancaster, Pennsylvania facility of group member Electron Energy Corporation, enabling it to boost the domestic […]
MagREEsource, a French manufacturer of rare earth permanent magnets made from recycled scrap magnetic material, is expanding its factory in Noyarey near Grenoble. The additional 400m² will bring the total facility size to 1,500m² to […]
This White Paper from Arnold Magnetics describes the magnetization losses that are possible in SmCo and NdFeB permanent magnet materials. Reversible losses are first discussed followed by irreversible losses, which can be caused by temperature, external fields or radiation. Losses over time by magnetic viscosity are also discussed. Finally, permanent losses caused by corrosion, hydrogen, high temperatures and radiation are considered.
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