Manufacturing Magnetized Ferrite: From Principle to Practice
Pick up an old speaker, take apart a toy motor, or glance at the refrigerator door seal, and you’ll most likely see a grayish-black magnet with a ceramic-like texture. This is the ferrite magnet, the most common and lowest-cost permanent magnet in our lives. It does not possess the dazzling super-strong magnetic force like neodymium magnets,...