What will lead the magnet loss magnetism?
Lots of people know that the high temperature will lead the magnet loss magnetism, but what other reasons? It is a question from one of our clients. He bought some Alnico 5 magnet from us, then he found the power became lower after he holds them for months. After the descriptions of his condition, I found the magnets he had not been fixed into his magnetic system but they are moved here and there. Because of the Hc of Alnico 5 Magnet is very low, the outer magnetic field would be easy to let the magnet loses magnetism. Read more