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In order to achieve a balance between high magnetism and corrosion resistance, researchers and engineers have conducted in-depth explorations from multiple aspects such as material design, surface treatment and preparation process.

The application of sintered NdFeB magnets in micro motors is important because it provides high-performance magnetic properties, excellent physical properties, miniaturization and lightweight advantages

MIM technology has advantages that conventional powder metallurgy, machining and precision casting methods cannot match

The basic process is: various fine metal powders (generally less than 20um) are mixed with a preset binder in a certain proportion to make a feed with rheological properties