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Dysprosium Transport In Nd-Fe-B Pellets, Parawee Pumwongpitak
Dysprosium Transport In Nd-Fe-B Pellets, Parawee Pumwongpitak
Dissertations, Master's Theses and Master's Reports - Open
The addition of heavy rare earth (RE) elements to Nd2Fe14B based magnets to form (Nd,Dy)2Fe14B is known to increase the coercivity and high temperature performance required for hybrid vehicle electric motors and other extreme temperature applications. Attempts to conserve heavy rare earth elements for high temperature (RE)2Fe14B based magnets have led to the development of a grain boundary diffusion process for bulk magnets. This process relies on transport of a heavy rare earth, such as Dy, into a bulk Nd2Fe14B magnet along pores, a low volume fraction of …