Transverse shock wave demagnetization of Nd2Fe14B high-energy hard ferromagnetics
作者： Sergey I. Shkuratov , Evgueni F. Talantsev , James C. Dickens , Magne Kristiansen
DOI: 10.1063/1.1480478
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摘要: The action of transverse shock waves (the wave propagates across the magnetization vector M) on magnetic phase state a Nd2Fe14B high-energy hard ferromagnetic was investigated experimentally. design sample, which made as hollow cylinder, has it possible to dramatically reduce amount explosive that initiates in 1.0 g (for samples weighing 67.5 g). results experiment have shown propagating through causes “hard ferromagnetic-to-paramagnetic” transformation terminating by practically complete demagnetization Nd2Fe14B. Pulse generators based cylindrical with diameter 25.4 mm and length 19.1 are capable producing high-voltage pulses [peak voltage 11.3 kV, full width at half maximum (FWHM) 4.5 μs] high-current (peak current 1.93 kA, FWHM 100 μs,...
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