Electromagnetics

ZF Makes Magnet-Free Electric Motor Uniquely Compact and Competitive

ZF has developed an electric motor which does not require magnets. In contrast to the magnet-free concepts of so-called separately excited synchronous motors (SESM) already available today, ZF’s I2SM (In-Rotor Inductive-Excited Synchronous Motor) transmits the energy for the magnetic field via an inductive exciter inside the rotor shaft. This makes the motor uniquely compact with maximum power and torque density. […]

e-Power Technology

MP Materials to Build U.S. Magnet Factory, Enters Long-Term Supply Agreement with General Motors

MP Materials Corp. (NYSE: MP) announced today that it will build its initial rare earth (RE) metal, alloy and magnet manufacturing facility in Fort Worth, Texas. The company also announced that it has entered a binding, long-term agreement with General Motors (NYSE: GM) to supply U.S.-sourced and manufactured rare earth materials, alloy and finished magnets for the electric motors in more than a dozen models using GM’s Ultium Platform, with a gradual production ramp that begins in 2023. […]

Articles

Balance and Training

Stan Trout, Spontaneous Materials It was nice to see so many people at Magnetics 2018 in Orlando last month. It was a very pleasant exchange of ideas and information. We all seemed to get plenty […]

Articles

Small Ball

A Column by Dr. Stan Trout | Spontaneous Materials Small Ball is a managerial strategy used in the game of baseball. Fundamentally, it concedes that in some circumstances big plays, such as home runs are […]