Did you know GM invented the domestic, affordable permanent magnet? Before this neodymium-iron-boron magnet came along in 1984, electric motors, generators, audio speakers, hard-disk drives, and the ...
China controls about 90% of the entire global supply of rare earth magnets, including their mining and refining. That means that most of the neodymium, dysprosium, and terbium that end up in EV motors ...
Minnesota’s iron ore built America. For more than a century and a half, the Mesabi Range supplied the raw materials that won two world wars, constructed skylines from Chicago to New York and forged ...
Goudsmit Magnetics of Waalre, the Netherlands, has introduced a rotating magnetic separator designed for the ferrous-metal-free processing of lithium-ion powder intended for batteries. The company ...
An array of powder-metal parts. Powder metallurgy was practiced long before ancient artisans learned to melt and cast iron. Egyptians made iron tools using PM techniques back in 3,000 B.C. The ancient ...
As wireless technologies have become widespread, demand for materials capable of absorbing high-frequency electromagnetic radiation has increased rapidly, especially in extreme, high-temperature ...