Introduction In the engineering and design of rotating machinery, such as electric motors, one critical challenge that must be addressed is the phenomenon of eddy current losses, particularly in materials used for magnetic components. Samarium-cobalt (SmCo) and neodymium-iron-boron (NdFeB) magnets, being metallic and possessing excellent conductivity due to their low resistivity, inherently face this issue. Eddy current losses not only lead to inefficient operation by generating unnecessary heat within the rotating machinery, including the magnets themselves, but also can degrade

Introduction Sintered neodymium-iron-boron (NdFeB) magnets, renowned for their exceptional magnetic properties, are primarily composed of neodymium (Nd), iron (Fe), and boron (B). However, the manufacturing process often incorporates several additional elements, each playing a unique role in enhancing the magnet’s performance. The formulation of these materials is a closely guarded secret among manufacturers, tailored to meet specific application requirements of their customers. Just as various seasonings contribute to the flavor profile of a gourmet dish, the diverse elements within NdFeB

Introduction The question of whether magnets of identical performance and volume have the same pulling force is a common one. Online sources claim that neodymium-iron-boron (NdFeB) magnets can lift 640 times their weight, but is this reliable information? This query leads us to explore what factors influence a magnet’s pulling force. It’s crucial to recognize that magnets only attract ferromagnetic materials, such as iron, cobalt, nickel, and their alloys, and have no effect on non-ferromagnetic materials. Online formulas for calculating