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公开(公告)号：US4936929A
公开(公告)日：1990-06-26
申请号：US307859
申请日：1989-02-07
申请人： Mikio Nakashima , Akinori Kojima , Akihiro Makino
发明人： Mikio Nakashima , Akinori Kojima , Akihiro Makino
IPC分类号： C22C19/07 , C22C19/00 , C22C45/04 , G11B5/147 , G11B5/31 , H01F1/153 , H01F10/12 , H01F10/13 , H01F10/16
CPC分类号： G11B5/147 , C22C45/04 , G11B5/3109 , G11B5/3163 , H01F1/153 , H01F1/15316 , H01F10/132
摘要： A soft magnetic amorphous ternary alloy of Co-Ta-Hf which comprises a composition represented by Co.sub.x Ta.sub.y Hf.sub.z, wherein the composition ratio of x, y and z ranges, in atomic %,81%.ltoreq.x.ltoreq.85%8%.ltoreq.y.ltoreq.13%5%.ltoreq.z.ltoreq.10%1.ltoreq.y/z.ltoreq.2.5and x+y+z=100%. Thus, the refractory amorphous alloy has excellent thermal stability, preferable soft magnetic property, high mass productivity, and can be heat treated at 500.degree. C. or higher.
摘要翻译： Co-Ta-Hf的软磁性无定形三元合金，其包含由CoxTayHfz表示的组合物，其中x，y和z的组成比范围为原子％，81％
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公开(公告)号：US4750951A
公开(公告)日：1988-06-14
申请号：US13370
申请日：1987-02-11
申请人： Akihiro Makino , Mikio Nakashima
发明人： Akihiro Makino , Mikio Nakashima
IPC分类号： C22C19/00 , C22C19/07 , C22C45/00 , C22C45/02 , C22C45/04 , G11B5/127 , G11B5/147 , H01F1/153 , H01F1/04
CPC分类号： H01F1/15316 , C22C45/04 , G11B5/147
摘要： An amorphous alloy for making a magnetic head comprises a composition of the formula:(Fe.sub.1-a, Co.sub.a).sub.100-e-f-b Cr.sub.e Ru.sub.f (Si.sub.c, B.sub.d).sub.bwhere a is from 0.93 to 0.95, c/c+d is from 0.55 to 0.65, b is from 22 to 27, e is from 0.4 to 2.6 and f is from 1.5 to 4.0.
摘要翻译： 用于制造磁头的无定形合金包括下式的组合物：（Fe1-a，Coa）100-ef-bCreRuf（Sic，Bd）b其中a为0.93至0.95，c / c + d为0.55至 0.65，b为22〜27，e为0.4〜2.6，f为1.5〜4.0。
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公开(公告)号：US4743313A
公开(公告)日：1988-05-10
申请号：US797238
申请日：1985-11-12
申请人： Akihiro Makino , Mikio Nakashima , Tadashi Sasaki , Koichi Mukasa
发明人： Akihiro Makino , Mikio Nakashima , Tadashi Sasaki , Koichi Mukasa
CPC分类号： C22C45/04 , H01F1/15316
摘要： An amorphous alloy for use in magnetic heads having the following composition formula:(Fe.sub.1-a, Co.sub.a).sub.100-b (Si.sub.c,B.sub.d).sub.bwherea=0.93-0.95b=23-27 atomic %c/c+d)=0.55-0.65.Cr and Ru may be desirably added to the amorphous alloy for improving the corrosion and abrasion resistance. Further, secondary phase particles may be dispersed in the alloy matrix for improving the effective magnetic permeability, particularly, at high frequency region.
摘要翻译： 用于磁头的非晶态合金，具有以下组成式：（Fe1-a，Coa）100-b（Sic，Bd）b其中a = 0.93-0.95b = 23-27原子％c / c + d）= 0.55-0.65。 可以优选将Cr和Ru加入到非晶合金中，以提高耐腐蚀和耐磨性。 此外，二次相粒子可以分散在合金基体中，以提高有效磁导率，特别是在高频区域。
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公开(公告)号：US06235129B1
公开(公告)日：2001-05-22
申请号：US09201922
申请日：1998-12-01
IPC分类号： H01F1057
CPC分类号： H01F1/0571 , H01F1/058
摘要： A hard magnetic material contains Co as a main component, at least one element Q of P, C, Si and B, and Sm, and an amorphous phase and a fine crystalline phase. The texture of the hard magnetic material contains 50% by volume or more of fine crystalline phase having an average crystal grain size of 100 nm or less, and has a mixed phase state containing a soft magnetic phase and a hard magnetic phase. Further, anisotropy is imparted to the crystal axis of the hard magnetic phase.
摘要翻译： 硬磁性材料包含Co作为主要成分，至少有一个P，C，Si和B的元素Q和Sm，以及非晶相和细晶相。 硬磁性材料的质地含有平均结晶粒径为100nm以下的微细晶相的50体积％以上，具有含有软磁性相和硬磁性相的混合相状态。 此外，赋予硬磁相的晶轴各向异性。
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公开(公告)号：US5509975A
公开(公告)日：1996-04-23
申请号：US312847
申请日：1994-09-27
申请人： Akinori Kojima , Katsuaki Hangai , Shoji Yoshida , Akihiro Makino , Tsuyoshi Masumoto , Akihsia Inoue
发明人： Akinori Kojima , Katsuaki Hangai , Shoji Yoshida , Akihiro Makino , Tsuyoshi Masumoto , Akihsia Inoue
IPC分类号： B22F9/04 , B22F3/00 , C22C33/02 , C22C33/04 , C22C38/00 , C22C38/14 , C22C45/02 , H01F1/153 , H01F1/12
CPC分类号： B22F3/006 , H01F1/15308 , H01F1/15341 , H01F1/1535
摘要： A soft magnetic bulky alloy according to the present invention is obtained by forming under pressure a powder and granule material mainly made of a Fe-M-B based amorphous alloy containing Fe, B and M where M is at least one element selected from a group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W. In the soft magnetic bulky alloy, an amorphous alloy phase and a bcc phase with fine grain sizes of 30 nm or below are present in a mixed state, or the bcc phase with fine grain sizes of 30 nm or below is mainly present. The present invention also discloses a method of manufacturing such a soft magnetic bulky alloy.
摘要翻译： 通过在压力下形成主要由含有Fe，B和M的Fe-MB基非晶态合金制成的粉末和颗粒材料，得到本发明的软磁性体积合金，其中M为选自以下的至少一种元素： Ti，Zr，Hf，V，Nb，Ta，Mo和W.在软磁膨胀合金中，晶粒尺寸为30nm以下的非晶合金相和bcc相以混合状态存在，或bcc 主要存在30nm以下的细粒度的相。 本发明还公开了一种制造这种软磁体积合金的方法。
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公开(公告)号：US06312530B1
公开(公告)日：2001-11-06
申请号：US09173292
申请日：1998-10-14
IPC分类号： H01F1055
CPC分类号： H01L41/20 , H01F1/0306 , H01F1/15308 , H01F1/15325
摘要： A magnetostrictive material is produced by annealing an alloy consisting essentially of an amorphous phase and comprising Fe, Dy, and Tb as primary components, at least one element selected from the group consisting of Ta, Nb, Zr, Hf, V, W, Mo, Si and B and/or at least one element selected from the group consisting of Cr, Al, Ga, Ge, Cu, Au, Ag, Pt, Pd, Os, Ir, and Rh.
摘要翻译： 一种磁致伸缩材料是通过退火基本上由非晶相组成并包含Fe，Dy和Tb作为主要成分的合金，至少一种选自Ta，Nb，Zr，Hf，V，W，Mo ，Si和B和/或选自Cr，Al，Ga，Ge，Cu，Au，Ag，Pt，Pd，Os，Ir和Rh中的至少一种元素。
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7.发明授权公开(公告)号：US06171410B2
公开(公告)日：2001-01-09
申请号：US09026853
申请日：1998-02-20
IPC分类号： H01F104
CPC分类号： B82Y25/00 , H01F1/0579
摘要： A hard magnetic alloy in accordance with the present invention is composed of at least element T selected from the group consisting of Fe, Co and Ni, at least one rare earth element R, and boron (B). The hard magnetic alloy has an absolute value of the temperature coefficient of magnetization of 0.15%/° C. or less and a coercive force of 1 kOe, when being used in a shape causing a permeance factor of 2 or more. A hard magnetic alloy compact in accordance with the present invention has a texture, in which at least a part or all of the texture comprises an amorphous phase or fine crystalline phase having an average crystal grain size of 100 nm or less, is subjected to crystallization or grain growth under stress, such that a mixed phase composed of a soft magnetic or semi-hard magnetic phase and a hard magnetic phase is formed in the texture, and anisotropy is imparted to the crystal axis of the hard magnetic phase.
摘要翻译： 根据本发明的硬磁合金由至少选自Fe，Co和Ni，至少一种稀土元素R和硼（B）的元素T组成。 当使用导磁系数为2以上的形状时，硬磁合金的磁化温度的绝对值为0.15％/℃以下，矫顽力为1kOe。 根据本发明的硬磁合金压块具有其中至少部分或全部组织包含平均晶粒尺寸为100nm以下的非晶相或细结晶相的织构，进行结晶化 或在应力下的晶粒生长，使得在织构中形成由软磁性或半硬磁性相和硬磁性相组成的混合相，并且赋予硬磁相的晶轴各向异性。
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公开(公告)号：US6034450A
公开(公告)日：2000-03-07
申请号：US111991
申请日：1998-07-08
CPC分类号： B82Y25/00 , H01F1/0571 , H01F1/0579 , H02K1/02 , H02K37/18
摘要： In a stepping motor having a stator provided with an electromagnet and a rotor composed of a hard magnetic alloy, the hard magnetic alloy comprises at least one element T of Fe and Co, at least one element R of rare earth elements and B, has a remanence ratio of at least 0.7, remanent magnetization (Ir) of at least 120 emu/g and coercive force (iHc) of at least 1 kOe and includes a fine crystalline phase having an average crystal grain size of 100 nm or less as a main phase. The hard magnetic alloy is solidified and compacted by making use of a softening phenomenon which arises when the amorphous phase contained in the structure of the hard magnetic alloy is crystallized. A method of manufacturing the hard magnetic alloy used to the stepping motor is also disclosed.
摘要翻译： 在具有设置有电磁体的定子和由硬磁合金构成的转子的步进电机中，硬磁合金包括至少一种Fe和Co的元素T，稀土元素和B的至少一个元素R具有 至少为0.7的剩磁比（Ir）至少为120emu / g，矫顽磁力（iHc）为至少1kOe，并且包括平均晶粒尺寸为100nm以下的细晶相为主 相。 通过利用在硬质合金的结构中包含的非晶相结晶时产生的软化现象，硬磁性合金被固化和压实。 还公开了用于步进电动机的硬磁合金的制造方法。
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9.发明授权Hard magnetic alloy, hard magnetic alloy compact and method for producing the same 失效硬磁合金，硬磁合金紧凑型及其制造方法公开(公告)号：US06692582B1
公开(公告)日：2004-02-17
申请号：US09697632
申请日：2000-10-26
IPC分类号： H01F100
CPC分类号： B82Y25/00 , H01F1/0579
摘要： A hard magnetic alloy in accordance with the present invention is composed of at least element T selected from the group consisting of Fe, Co and Ni, at least one rare earth element R, and boron (B). The hard magnetic alloy has an absolute value of the temperature coefficient of magnetization of 0.15%/° C. or less and a coercive force of 1 kOe, when being used in a shape causing a permeance factor of 2 or more. A hard magnetic alloy compact in accordance with the present invention has a texture, in which at least a part or all of the texture comprises an amorphous phase or fine crystalline phase having an average crystal grain size of 100 nm or less, is subjected to crystallization or grain growth under stress, such that a mixed phase composed of a soft magnetic or semi-hard magnetic phase and a hard magnetic phase is formed in the texture, and anisotropy is imparted to the crystal axis of the hard magnetic phase.
摘要翻译： 根据本发明的硬磁合金由至少选自Fe，Co和Ni，至少一种稀土元素R和硼（B）的元素T组成。 当使用导磁系数为2以上的形状时，硬磁合金的磁化温度的绝对值为0.15％/℃以下，矫顽力为1kOe。 根据本发明的硬磁合金压块具有其中至少部分或全部组织包含平均晶粒尺寸为100nm以下的非晶相或细结晶相的织构，进行结晶化 或在应力下的晶粒生长，使得在织构中形成由软磁性或半硬磁性相和硬磁性相组成的混合相，并且赋予硬磁相的晶轴各向异性。
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公开(公告)号：US06446702B1
公开(公告)日：2002-09-10
申请号：US09324994
申请日：1999-06-02
IPC分类号： B22D1100
CPC分类号： B22D11/0694 , B22D11/0602
摘要： An apparatus for producing a metallic ribbon includes a cooling roll, a melt nozzle, and an air-cutoff unit provided to cover at least a portion of the periphery of the cooling roll and at least the melt blowout end of the melt nozzle, for preventing an inflow of air due to rotation of the cooing roll. The air-cutoff unit has a roll top air-cutoff plate provided above the cooling roll to extent from the front side to the rear side in the rotation direction of the cooling roll in such a manner that it approaches the cooling surface in the direction opposite to the rotation direction of the cooling roll. The melt blowout end of the melt nozzle is arranged to pass through a nozzle mounting hole provided in the roll top air-cutoff plate and face the cooling surface of the cooling roll.
摘要翻译： 一种用于制造金属带的设备包括冷却辊，熔体喷嘴和空气截断单元，其设置成覆盖冷却辊的至少一部分周边和至少熔体喷嘴的熔喷部分，用于防止 由于冷却辊的旋转引起的空气流入。 空气截断单元具有设置在冷却辊上方的辊顶空气切断板，其在冷却辊的旋转方向上从前侧到后侧延伸，使得其沿相反方向接近冷却表面 相对于冷却辊的旋转方向。 熔体喷嘴的熔喷端部设置成穿过设置在辊顶空气切断板上的喷嘴安装孔并面对冷却辊的冷却面。
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