METHOD FOR PRODUCING ANISOTROPIC MAGNET RIBBON

• Main Authors: TAKIZAWA HIROTANE, SHIMO YUSUKE, FUKUSHIMA JUN, ITO MASAO, IWABUCHI YASUYUKI, KISHIMOTO HIDESHI, SAKUMA NORITSUGU
• Format: Patent
• Language: English; Japanese
• Published: 01.09.2016
• Subjects: ALLOYS; BASIC ELECTRIC ELEMENTS; CHEMISTRY; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; INDUCTANCES; MAGNETS; METALLURGY; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

PROBLEM TO BE SOLVED: To provide a method for producing an anisotropic magnet ribbon capable of crystallizing an amorphous ribbon and capable of orienting an axis of easy magnetization in a direction vertical to a ribbon surface.SOLUTION: In a method for producing an anisotropic magnet ribbon, an amorphous ribbon is irradiated with a microwave to be heated to 550-850°C, the amorphous ribbon having a composition represented by: RFeCoBM(where R represents one or more selected from rare earth elements, M represents one or more selected from among Ga, Al, Cu, Au, Ag, Zn, In and Mn and inevitable impurity elements, and 5≤x≤20, 0≤y≤8, 4≤w≤6.5 and 0≤z≤2 are satisfied).SELECTED DRAWING: Figure 1 【課題】アモルファス薄帯を結晶化させると同時に、磁化容易軸を薄帯の面に垂直な方向に配向させることができる、異方性磁石薄帯の製造方法を提供する。【解決手段】ＲｘＦｅ１００−ｘ−ｙ−ｗ−ｚＣｏｙＢｗＭｚ（Ｒは希土類元素から選ばれる１種以上、ＭはＧａ、Ａｌ、Ｃｕ、Ａｕ、Ａｇ、Ｚｎ、Ｉｎ及びＭｎから選ばれる１種以上と不可避的不純物元素、５≦ｘ≦２０、０≦ｙ≦８、４≦ｗ≦６．５、並びに０≦ｚ≦２）で表される組織を有するアモルファス薄帯にマイクロ波を照射し、前記アモルファス薄帯を５５０〜８５０℃に加熱する。【選択図】図１