摘要:
An amorphous alloy magnetic core including a layered body in which amorphous alloy thin strips are layered one on another, the layered body having one end face and another end face in a width direction of the amorphous alloy thin strips, an inner peripheral surface and an outer peripheral surface orthogonal to a layering direction of the amorphous alloy thin strips, and a hole passing through from a part of the one end face as a starting point, the width direction corresponding to a depth direction of the hole.
摘要:
A method for producing a soft magnetic material having both high saturation magnetization and low coercive force, including: preparing an alloy having a composition represented by Compositional Formula 1 or 2 and having an amorphous phase, and heating the alloy at a rate of temperature rise of 10° C./sec or more and holding for 0 to 80 seconds at a temperature equal to or higher than the crystallization starting temperature and lower than the temperature at which Fe—B compounds start to form wherein, Compositional Formula 1 is Fe100-x-yBxMy, M represents at least one element selected from Nb, Mo, Ta, W, Ni, Co and Sn, and x and y are in atomic percent (at %) and satisfy the relational expressions of 10≤x≤16 and 0≥y≤8, and Compositional Formula 2 is Fe100-a-b-cBaCubM′c, M′ represents at least one element selected from Nb, Mo, Ta, W, Ni and Co, and a, b and c are in atomic percent (at %) and satisfy the relational expressions 10≤a≤16, 0
摘要:
A device is provided with a potential noise radiating source capable of radiating potential noise, a potential noise receiving portion capable of receiving the potential noise and an electromagnetic interference suppression body. The electromagnetic interference suppression body is made by binding flaky soft magnetic metal powder with a binding component and has a sheet-like shape. The electromagnetic interference suppression body is formed with a plurality of slits. The electromagnetic interference suppression body is provided to straddle the potential noise radiating source and the potential noise receiving portion.
摘要:
An electric circuit-use core which has low loss, is less susceptible to magnetic saturation, thus allows for size reduction and current increase, and has a wide operation range in high-frequency region, and a manufacturing method for the core are provided. The electric circuit-use core is a dust core formed by compression molding or injection molding with an iron-based amorphous material, a cobalt-based amorphous material, or a sendust material as a magnetic material, and is used as a transformer core, a choke core, or a core of a reactor. The electric circuit-use core includes cylindrical pillar portions and connection portions.
摘要:
A magnetic core (1, 1′, 20, 28, 29, 58, 61, 70, 70′, 80, 80′, 90) for a magnetic component has a longitudinal axis parallel to which a magnetic current is to be substantially guided inside the magnetic core. The magnetic core consists of a plurality of magnetic elements (2, 3, 4, 5, 6, 7, 8, 29, 30, 35, 36, 38, 39, 40, 48, 49, 52, 53) shaped like bars or strips arranged parallel to one another, at least one of the magnetic elements (2, 3, 4, 5, 6, 7, 8, 29, 30, 35, 36, 38, 39, 40, 48, 49, 52, 53) is different from the other magnetic elements in one or several of the following characteristics: permeability of material, curvature, length, shape and/or size of surface area, presence, type and location of notches in the magnetic elements.
摘要:
A fabrication process produces markers for a magnetomechanical electronic article surveillance system. The marker includes a magnetomechanical element comprising one or more resonator strips of magnetostrictive amorphous metal alloy; a housing having a cavity sized and shaped to accommodate the resonator strips for free mechanical vibration therewithin; and a non-deactivatable bias magnet adapted to magnetically bias the magnetomechanical element. The process employs adaptive control of the cut length of the resonator strips, correction of the length being based on deviation of the actual marker resonant frequency from a preselected, target marker frequency. Use of adaptive, feedback control advantageously results in a much tighter distribution of actual resonant frequencies. Also provided is a web-fed press for continuously producing such markers with adaptive control of the resonator strip length.
摘要:
An antenna core comprises a flexible stack of a plurality of oblong soft-magnetic strips consisting of an amorphous or nanocrystalline alloy. The strips of said antenna core are separated from one another by an electrically insulating film each. The amorphous or nanocrystalline alloy has a magnetostriction value lambdas in the range of +4 10 to −4 10 and a linear BH loop. The coefficient of induction L of the antenna core changes at 60 kHz at a center distortion by 25% of its length by less than 10% and the quality Q of the antenna core is >=10 at 60 kHz.
摘要:
The invention relates to a method of producing a strip of nanocrystalline material which is obtained from a wound ribbon that is cast in an amorphous state, having atomic composition [Fe1-a-bCoaNib]100-x-y-z-$g(a)-$g(b)-$g(g)CuxSiyBzNb$g(a)M′$g(b)M$g(g), M′ being at least one of elements V, Cr, Al and Zn, and M being at least one of elements C, Ge, P, Ga, Sb, In and Be, with: a $m(F) 0.07 and b $m(F) 0.1, 0.5 $m(F) x $m(F) 1.5 and 2 $m(F) $g(a) $m(F) 5, 10 $m(F) y $m(F) 16.9 and 5 $m(F) z $m(F) 8, $g(b) $m(F) 2 and $g(g) $m(F) 2. According to the invention, the amorphous ribbon is subjected to crystallisation annealing, in which the ribbon undergoes annealing in the unwound state, passing through at least two S-shaped blocks under voltage along an essentially longitudinal axial direction of the ribbon, such that the ribbon is maintained at an annealing temperature of between 530° C. and 700° C. for between 5 and 120 seconds and under axial tensile stress of between 2 and 1000 MPa. The tensile stress applied to the amorphous ribbon, the displacement speed of the ribbon during annealing and the annealing time and temperature are all selected such that the cross-section profile of the strip is not in the form of a $g(V) and the maximum deflection of the cross-section of the strip is less than 3% of the width of the strip and preferably less than 1% of the width. The invention also relates to the strip and the core thus obtained and to the device used to implement said method.
摘要翻译:本发明涉及一种制备纳米晶体材料带的方法,该方法是从具有原子组成的非晶状态的缠绕带获得的,具有原子组成[Fe 1-a a B a a a / (a) - $ g(b) - $ g(g)Cu> Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si $ a(b)> g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g (g),M'是元素V,Cr,Al和Zn中的至少一种,M是元素C,Ge,P,Ga,Sb,In和Be中的至少一种,其中:a $ m(F)0.07和b $ m(F)0.1,0.5 $ m(F)x $ m(F)1.5和2 $ m(F)$ g(a)$ m(F)5,10 $ m F)y $ m(F)16.9和5 $ m(F)z $ m(F)8,$ g(b)$ m(F)2和$ g(g)$ m(F) 本发明中,对非晶带进行结晶退火,其中带在退绕状态下经历退火,沿着带的基本上纵向的轴向方向通过至少两个S形块,使得带被保持 在退火温度在53之间 0℃和700℃下5至120秒之间和2至1000MPa的轴向拉伸应力。 施加到非晶带的拉伸应力,退火期间的带的位移速度和退火时间和温度都被选择为使得带的横截面轮廓不是$ g(V)的形式,并且 条的横截面的最大偏转小于条的宽度的3%,优选小于宽度的1%。 本发明还涉及如此获得的条和芯,以及用于实现所述方法的装置。
摘要:
A small-sized apparatus having an inverter which can satisfy EMC standards by providing a small zero phase-sequence reactor which has a high noise attenuation rate over a wide frequency range and wide working temperature range. The apparatus having an inverter comprising a line-noise filter connected between a power supply and the inverter and a zero phase-sequence reactor connected between the inverter and a load is characterized in that the zero phase-sequence reactor connected between the inverter and the load comprises a tape-wound magnetic core formed by winding a nanocrystalline soft-magnetic alloy tape in which nanocrystalline grains not larger than 50 nm in grain size account for at least 50% in volume of the structure; the tape-wound core having the AC relative initial permeability .mu.ri (10 kHz) at the magnetizing force peak value of 0.05 A/m and the frequency of 10 kHz of 20,000 to 200,000, and the AC relative initial permeability .mu.ri (100 kHz) at the magnetizing force peak value of 0.05 A/m and the frequency of 100 kHz of not less than 10,000.
摘要:
A surge current-suppressing circuit for an accelerator comprising a magnetic device inserted between a high-voltage DC power supply and an ion source for suppressing surge current generated when electric charge stored in a stray capacitance existing between the high-voltage DC power supply and the load is released at the time of short-circuiting of the load. The magnetic device comprises a magnetic core constituted by interlaminar-insulated thin ribbons of an iron-base amorphous or fine crystalline soft magnetic alloy. The iron-base fine crystalline soft magnetic alloy has the composition represented by the general formula:(Fe.sub.1-a M.sub.a).sub.100-x-y-z-.alpha. Cu.sub.x Si.sub.y.sub.B.sub.z M'.sub..alpha.wherein M is Co and/or Ni, M' is at least one element selected from the group consisting of Nb, W, Ta, Zr, Hf, Ti and Mo, and a, x, y, z and .alpha. respectively satisfy 0.ltoreq.a.ltoreq.0.5, 0.1.ltoreq..times..ltoreq.3, 0.ltoreq.y.ltoreq.30, 0.ltoreq.z.ltoreq.25, 5.ltoreq.y+z.ltoreq.30 and 0.1.ltoreq..alpha..ltoreq.30, at least 50% of the alloy structure being fine crystal grains made of a bcc Fe solid solution having an average crystal grain size of 1000.ANG. or less when determined from a maximum size of each crystal grain.
摘要翻译:一种用于加速器的浪涌电流抑制电路,包括插入在高压直流电源和离子源之间的磁性装置,用于抑制存储在存在于高压直流电源和高压直流电源之间的杂散电容中的电荷时产生的浪涌电流 在负载短路时释放负载。 磁性器件包括由铁基非晶态或细晶态软磁合金的层间绝缘薄带构成的磁芯。 铁基微晶软磁性合金具有以下通式所示的组成:(Fe1-aMa)100-xyz-αCuxSiyBzM'α,其中M为Co和/或Ni,M'为选自 由Nb,W,Ta,Zr,Hf,Ti和Mo组成的组,a,x,y,z和α分别满足0≤a≤0.5,0.1≤x≤3,0 = y = 30,0 = z = 25,5 / y + z 30和0.1 = <30>,合金结构的至少50% 当由每个晶粒的最大尺寸确定时,具有平均晶粒尺寸为1000或更小的bcc Fe固溶体的细晶粒。