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    • 4. 发明授权
    • Ferromagnetic amorphous alloy ribbon with reduced surface protrusions, method of casting and application thereof
    • 具有减小的表面突起的铁磁性非晶合金带,铸造方法及其应用
    • US08968490B2
    • 2015-03-03
    • US12923224
    • 2010-09-09
    • Eric A. TheisenJames PerroziYuichi OgawaYuji MatsumotoDaichi AzumaRyusuke Hasegawa
    • Eric A. TheisenJames PerroziYuichi OgawaYuji MatsumotoDaichi AzumaRyusuke Hasegawa
    • H01F27/25B22D11/00B22D11/06H01F1/153H01F41/02
    • B22D11/0611B22D11/001H01F1/15308H01F1/15333H01F27/25H01F41/0226Y10T29/49071
    • A ferromagnetic amorphous alloy ribbon includes an alloy having a composition represented by FeaSibBcCd where 80.5≦a≦83 at. %, 0.5≦b≦6 at. %, 12≦c≦16.5 at. %, 0.01≦d≦1 at. % with a+b+c+d=100 and incidental impurities, the ribbon being cast from a molten state of the alloy with a molten alloy surface tension of greater than or equal to 1.1 N/m on a chill body surface; the ribbon having a ribbon length, a ribbon thickness, and a ribbon surface facing the chill body surface; the ribbon having ribbon surface protrusions being formed on the ribbon surface facing the chill body surface; the ribbon surface protrusions being measured in terms of a protrusion height and a number of protrusions; the protrusion height exceeding 3 μm and less than four times the ribbon thickness, and the number of protrusions being less than 10 within 1.5 m of the cast ribbon length; and the alloy ribbon in its annealed straight strip form having a saturation magnetic induction exceeding 1.60 T and exhibiting a magnetic core loss of less than 0.14 W/kg when measured at 60 Hz and at 1.3 T induction level in its annealed straight strip form. The ribbon is suitable for transformer cores, rotational machines, electrical chokes, magnetic sensors, and pulse power devices.
    • 铁磁非晶合金带包括具有由FeaSibBcCd表示的组成的合金,其中80.5< 1; a≦̸ 83 at。 %,0.5≦̸ b≦̸ 6 at。 %,12≦̸ c≦̸ 16.5 at。 %,0.01≦̸ d≦̸ 1 at。 %+ a + b + c + d = 100和偶然的杂质,该带从合金的熔融状态浇铸,熔融合金的表面张力大于或等于1.1N / m; 所述带具有带长度,带厚度和面向所述冷却体表面的带状表面; 所述带状带表面突起形成在所述带状表面上面向所述冷却体表面; 根据突出高度和突出数量来测量带状表面突起; 突出高度超过3μm且小于带厚度的四倍,并且在铸带长度的1.5μm内的突起数量小于10; 并且其退火的直条形状的合金带形状具有超过1.60T的饱和磁感应,并且在其退火的直条形式下以60Hz和1.3T的感应电平测量时,磁芯损耗小于0.14W / kg。 该带适用于变压器铁芯,旋转机,电扼流圈,磁传感器和脉冲功率器件。
    • 5. 发明申请
    • Ferromagnetic amorphous alloy ribbon with reduced surface protrusions, method of casting and application thereof
    • 具有减小的表面突起的铁磁性非晶合金带,铸造方法及其应用
    • US20120062351A1
    • 2012-03-15
    • US12923224
    • 2010-09-09
    • Eric A. TheisenJames PerroziYuichi OgawaYuji MatsumotoDaichi AzumaRyusuke Hasegawa
    • Eric A. TheisenJames PerroziYuichi OgawaYuji MatsumotoDaichi AzumaRyusuke Hasegawa
    • H01F27/25B22D11/00H01F7/06H01F1/01
    • B22D11/0611B22D11/001H01F1/15308H01F1/15333H01F27/25H01F41/0226Y10T29/49071
    • A ferromagnetic amorphous alloy ribbon includes an alloy having a composition represented by FeaSibBcCd where 80.5≦a≦83 at. %, 0.5≦b≦6 at. %, 12≦c≦16.5 at. %, 0.01≦d≦1 at. % with a+b+c+d=100 and incidental impurities, the ribbon being cast from a molten state of the alloy with a molten alloy surface tension of greater than or equal to 1.1 N/m on a chill body surface; the ribbon having a ribbon length, a ribbon thickness, and a ribbon surface facing the chill body surface; the ribbon having ribbon surface protrusions being formed on the ribbon surface facing the chill body surface; the ribbon surface protrusions being measured in terms of a protrusion height and a number of protrusions; the protrusion height exceeding 3 μm and less than four times the ribbon thickness, and the number of protrusions being less than 10 within 1.5 m of the cast ribbon length; and the alloy ribbon in its annealed straight strip form having a saturation magnetic induction exceeding 1.60 T and exhibiting a magnetic core loss of less than 0.14 W/kg when measured at 60 Hz and at 1.3 T induction level in its annealed straight strip form. The ribbon is suitable for transformer cores, rotational machines, electrical chokes, magnetic sensors, and pulse power devices.
    • 铁磁非晶合金带包括具有由FeaSibBcCd表示的组成的合金,其中80.5< 1; a≦̸ 83 at。 %,0.5≦̸ b≦̸ 6 at。 %,12≦̸ c≦̸ 16.5 at。 %,0.01≦̸ d≦̸ 1 at。 %+ a + b + c + d = 100和偶然的杂质,该带从合金的熔融状态浇铸,熔融合金的表面张力大于或等于1.1N / m; 所述带具有带长度,带厚度和面向所述冷却体表面的带状表面; 所述带状带表面突起形成在所述带状表面上面向所述冷却体表面; 根据突出高度和突出数量来测量带状表面突起; 突出高度超过3μm且小于带厚度的四倍,并且在铸带长度的1.5μm内的突起数量小于10; 并且其退火的直条形状的合金带形状具有超过1.60T的饱和磁感应,并且在其退火的直条形式下以60Hz和1.3T的感应电平测量时,磁芯损耗小于0.14W / kg。 该带适用于变压器铁芯,旋转机,电扼流圈,磁传感器和脉冲功率器件。
    • 6. 发明申请
    • Ferromagnetic amorphous alloy ribbon and fabrication thereof
    • 铁磁非晶合金带及其制造
    • US20120049992A1
    • 2012-03-01
    • US12923076
    • 2010-08-31
    • Daichi AzumaRyusuke HasegawaYuichi OgawaEric A. TheisenYuji Matsumoto
    • Daichi AzumaRyusuke HasegawaYuichi OgawaEric A. TheisenYuji Matsumoto
    • H01F27/25B22D11/00H01F1/153
    • B22D11/0611H01F1/15308H01F1/15333H01F27/25H01F41/0226
    • A ferromagnetic amorphous alloy ribbon includes an alloy having a composition represented by FeaSibBcCd where 80.5≦a≦83 at. %, 0.5≦b≦6 at. %, 12≦c≦16.5 at. %, 0.01≦d≦1 at. % with a+b+c+d=100 and incidental impurities; the ribbon being cast from a molten state of the alloy, with a molten alloy surface tension of greater than or equal to 1.1 N/m; the defect length along a direction of the ribbon's length being between 5 mm and 200 mm, the defect depth being less than 0.4×t μm and the defect occurrence frequency being less than 0.05×w times within 1.5 m of ribbon length, where t is the ribbon thickness and w is the ribbon width, and the ribbon having a saturation magnetic induction exceeding 1.60 T and exhibiting a magnetic core loss of less than 0.14 W/kg when measured at 60 Hz and at 1.3 T induction level in an annealed straight strip form, and a core magnetic loss of less than 0.3 W/kg and an exciting power of less than 0.4 VA/kg in an annealed wound transformer core form. The ribbon is suitable for use in transformer cores, rotational machines, electrical chokes, magnetic sensors and pulse power devices.
    • 铁磁非晶合金带包括具有由FeaSibBcCd表示的组成的合金,其中80.5< 1; a≦̸ 83 at。 %,0.5≦̸ b≦̸ 6 at。 %,12≦̸ c≦̸ 16.5 at。 %,0.01≦̸ d≦̸ 1 at。 %+ a + b + c + d = 100和杂质; 该钢带从合金的熔融状态铸造,熔融合金表面张力大于或等于1.1N / m; 沿着带长度的方向的缺陷长度在5mm和200mm之间,缺陷深度小于0.4×tμm,缺陷发生频率在丝带长度的1.5μm内小于0.05×w倍,其中t是 带状厚度和w是带宽,并且具有超过1.60T的饱和磁感应的带,并且在退火的直条中以60Hz和1.3T的感应水平测量时,磁芯损耗小于0.14W / kg 形式,并且在退火的卷绕变压器铁芯形式中的小于0.3W / kg的磁芯损耗和小于0.4VA / kg的激励功率。 该带适用于变压器铁芯,旋转机,电扼流圈,磁传感器和脉冲功率器件。
    • 7. 发明授权
    • Ferromagnetic amorphous alloy ribbon with reduced surface defects and application thereof
    • 具有减少表面缺陷的铁磁性非晶合金带及其应用
    • US08968489B2
    • 2015-03-03
    • US12923076
    • 2010-08-31
    • Daichi AzumaRyusuke HasegawaYuichi OgawaEric A. TheisenYuji Matsumoto
    • Daichi AzumaRyusuke HasegawaYuichi OgawaEric A. TheisenYuji Matsumoto
    • H01F27/25B22D11/00H01F1/153B22D11/06H01F41/02
    • B22D11/0611H01F1/15308H01F1/15333H01F27/25H01F41/0226
    • A ferromagnetic amorphous alloy ribbon, a method of fabricating a ribbon and a wound transformer core are provided. The ribbon includes an alloy of FeaSibBcCd where 80.5≦a≦83 at. %, 0.5≦b≦6 at. %, 12≦c≦16.5 at. %, 0.01≦d≦1 at. % with a+b+c+d=100, and is cast from a molten state of the alloy, having a-surface tension of greater than or equal to 1.1 N/mi,. A defect length along a direction of the ribbon's length is between 5 mm and 200 mm, a defect depth less than 0.4 ×t μm and a defect occurrence frequency less than 0.05 ×w times within 1.5 m of ribbon length, where t is the ribbon thickness and w is the ribbon width in mm. The ribbon has a saturation magnetic induction exceeding 1.60 T and a magnetic core loss of less than 0.14 W/kg when measured at 60 Hz and at 1.3 T induction level in an annealed straight strip form, and a core magnetic loss of less than 0.3 W/kg and an exciting power of less than 0.4 VA/kg in an annealed wound transformer core form and is suitable for use in transformer cores, rotational machines, electrical chokes, magnetic sensors and pulse power devices.
    • 提供了一种铁磁性非晶合金带,一种制造带状物和卷绕的变压器芯的方法。 该带包括FeaSibBcCd的合金,其中80.5和nlE; a≦̸ 83在。 %,0.5≦̸ b≦̸ 6 at。 %,12≦̸ c≦̸ 16.5 at。 %,0.01≦̸ d≦̸ 1 at。 %,+ b + c + d = 100,并且从具有大于或等于1.1N / m的表面张力的合金的熔融状态铸造。 沿着带长度的方向的缺陷长度在5mm至200mm之间,缺陷深度小于0.4×tμm,缺陷发生频率在丝带长度的1.5μm以内小于0.05×w倍,其中t是带状 厚度和w是带宽度(mm)。 当以60Hz和1.3T感应水平以退火的直条形式测量时,该带的饱和磁感应超过1.60T,磁芯损耗小于0.14W / kg,磁心损耗小于0.3W / kg,退火绕组变压器磁芯形式的小于0.4 VA / kg的励磁功率,适用于变压器铁芯,旋转机,电扼流圈,磁传感器和脉冲功率器件。