A study of the initial magnetisation and demagnetisation behaviour of Nd-Fe-B sintered magnets by a magnetic field mapping system
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Summary form only given. We report an investigation of the change in field distribution above a sintered Nd/sub 16/Fe/sub 76/B/sub 8/ (atomic%) magnet during the initial magnetisation and demagnetisation processes. A Redcliffe Magtronics "MagScan" system has been employed to measure the x-, y- and z-components of magnetic field at a height of 1 mm above the surface of the magnet, with a resolution of 0.2 mm.