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CALCINED FERRITE, SINTERED FERRITE MAGNET AND ITS PRODUCTION METHOD
A method comprising the steps of mixing raw material powders to a composition comprising metal elements of Ca, La, Sr, Ba, Fe and Co, whose atomic ratios are represented by the general formula of Ca1−x−yLax(Sry′Ba1−y′)yFe2n−zCoz, wherein 1−x−y, x and y are values in a region defined by a coordinate a: (0.470, 0.297, 0.233), a coordinate b: (0.300, 0.392, 0.308), a coordinate c: (0.300, 0.300, 0.400), a coordinate d: (0.400, 0.200, 0.400) and a coordinate e: (0.470, 0.200, 0.330) in a ternary diagram of x, y, and 1−x−y, y′ and z, and n representing a molar ratio meet 0.5≰y′≰1, 0.2≰z<0.25, and 5.2
CALCINED FERRITE, SINTERED FERRITE MAGNET AND ITS PRODUCTION METHOD
A method comprising the steps of mixing raw material powders to a composition comprising metal elements of Ca, La, Sr, Ba, Fe and Co, whose atomic ratios are represented by the general formula of Ca1−x−yLax(Sry′Ba1−y′)yFe2n−zCoz, wherein 1−x−y, x and y are values in a region defined by a coordinate a: (0.470, 0.297, 0.233), a coordinate b: (0.300, 0.392, 0.308), a coordinate c: (0.300, 0.300, 0.400), a coordinate d: (0.400, 0.200, 0.400) and a coordinate e: (0.470, 0.200, 0.330) in a ternary diagram of x, y, and 1−x−y, y′ and z, and n representing a molar ratio meet 0.5≰y′≰1, 0.2≰z<0.25, and 5.2
CALCINED FERRITE, SINTERED FERRITE MAGNET AND ITS PRODUCTION METHOD
ODA ETSUSHI (author) / IWASAKI HIROSHI (author)
2015-09-17
Patent
Electronic Resource
English
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