公开(公告)号：US09269481B2

公开(公告)日：2016-02-23

申请号：US11814603

申请日：2005-11-02

申请人： Muneaki Watanabe ,  Ryoji Nakayama ,  Gakuji Uozumi

发明人： Muneaki Watanabe ,  Ryoji Nakayama ,  Gakuji Uozumi

IPC分类号： B32B5/16 ,  B32B15/00 ,  H01F1/33 ,  B22F1/02 ,  C22C33/02 ,  H01F1/147 ,  H01F1/24 ,  H02K1/02

CPC分类号： H01F1/33 ,  B22F1/02 ,  B22F2998/00 ,  C22C33/0207 ,  H01F1/14766 ,  H01F1/24 ,  H02K1/02 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/32 ,  B22F2207/07

摘要： Oxide-coated Fe powder for producing various electromagnetic circuit components requiring high resistivity is provided. The oxide-coated Fe powder is a Mg-containing oxide film-coated iron powder coated with an Mg—Fe—O ternary-based deposition film at least containing (Mg, Fe)O. The (Mg,Fe)O is a crystalline MgO-dissolving wustite. The Mg—Fe—O ternary-based oxide deposition film has a sulfur-enriched layer containing a higher concentration of sulfur than that of central portion of the iron powder, fine crystalline texture having a grain size of 200 nm or less, and the outermost surface is substantially composed of MgO. A composite soft magnetic material using the Mg-containing oxide film-coated iron powder is also provided.

摘要翻译： 提供了用于生产需要高电阻率的各种电磁电路部件的氧化物涂覆的Fe粉末。 氧化物被覆的Fe粉末是含有至少含有（Mg，Fe）O的Mg-Fe-O三元系沉积膜的含Mg氧化物膜被覆铁粉末。 （Mg，Fe）O是结晶的MgO溶解的方钨矿。 Mg-Fe-O三元基氧化物沉积膜具有含有比铁粉中心部分更高浓度的硫的富集层，具有200nm以下的粒径的微细晶体结构， 表面基本上由MgO构成。 还提供了使用含Mg氧化物膜的铁粉的复合软磁性材料。

公开(公告)号：US08481179B2

公开(公告)日：2013-07-09

申请号：US12929487

申请日：2011-01-28

申请人： Katsuhiko Mori ,  Ryoji Nakayama ,  Muneaki Watanabe ,  Koichiro Morimoto ,  Tetsurou Tayu ,  Yoshio Kawashita ,  Makoto Kano

发明人： Katsuhiko Mori ,  Ryoji Nakayama ,  Muneaki Watanabe ,  Koichiro Morimoto ,  Tetsurou Tayu ,  Yoshio Kawashita ,  Makoto Kano

IPC分类号： B32B15/04

CPC分类号： H01F1/0572 ,  C22C38/005 ,  C22C38/10 ,  H01F1/0573 ,  H01F10/126 ,  H01F41/0266 ,  Y10T428/32 ,  Y10T428/325

摘要： This rare earth magnet having high strength and high electrical resistance has a structure including an R—Fe—B-based rare earth magnet particles 18 which are enclosed with a high strength and high electrical resistance composite layer 12. The high strength and high electrical resistance composite layer 12 is constituted from a glass-based layer 16 that has a structure comprising a glass phase or R oxide particles 13 dispersed in glass phase, and R oxide particle-based mixture layers 17 that are formed on both sides of the glass-based layer 16 and contain an R-rich alloy phase 14 which contains 50 atomic % or more of R in the grain boundary of the R oxide particles.

摘要翻译： 这种具有高强度和高电阻的稀土磁体具有包含用高强度和高电阻复合层12包围的R-Fe-B系稀土磁体颗粒18的结构。高强度和高电阻 复合层12由具有分散在玻璃相中的玻璃相或R氧化物粒子13的结构的玻璃基层16和形成在玻璃基的两面的R氧化物粒子系混合层17构成 层16，并且含有在R氧化物粒子的晶界中含有50原子％以上的R的富R相合金相14。

公开(公告)号：US07632360B2

公开(公告)日：2009-12-15

申请号：US10569429

申请日：2004-05-13

申请人： Katsuhiko Mori ,  Ryoji Nakayama ,  Hideaki Ono ,  Takae Ono, legal representative ,  Tetsurou Tayu ,  Munekatsu Shimada ,  Makoto Kano ,  Yoshio Kawashita

发明人： Katsuhiko Mori ,  Ryoji Nakayama ,  Hideaki Ono ,  Tetsurou Tayu ,  Munekatsu Shimada ,  Makoto Kano ,  Yoshio Kawashita

IPC分类号： H01F1/057

CPC分类号： C22C38/005 ,  C22C1/0441 ,  C22C38/10 ,  H01F1/0572 ,  H01F41/0253 ,  Y10T428/2991

摘要： A rare earth magnet powder has a chemical composition which includes R: 5 to 20% (wherein, R represents one or two or more rare earth elements being inclusive of Y but exclusive of Dy and Tb), one or two of Dy and Tb: 0.01 to 10%, and B: 3 to 20%, with the balance comprising Fe and inevitable impurities; and an average particle diameter of 10 to 1,000 μm, wherein 70% or more of the entire surface of the rare earth magnet powder is covered with a layer being rich in the content of one or two of Dy and Tb and having a thickness of 0.05 to 50 μm.

摘要翻译： 稀土类磁体粉末具有R：5〜20％（其中，R表示一种或两种以上的稀土元素，不包括Dy，不包括Dy和Tb）的化学组成，Dy和Tb中的一种或两种： 0.01〜10％，B：3〜20％，余量由Fe和不可避免的杂质构成; 平均粒径为10〜1000μm，其中，稀土类磁体粉末的整个表面的70％以上的层被Dy和Tb中的1种或2种以上的层积覆盖，厚度为0.05 到50个妈妈

公开(公告)号：US5395462A

公开(公告)日：1995-03-07

申请号：US21187

申请日：1993-02-23

申请人： Takuo Takeshita ,  Ryoji Nakayama ,  Tamotsu Ogawa

发明人： Takuo Takeshita ,  Ryoji Nakayama ,  Tamotsu Ogawa

IPC分类号： H01F1/057 ,  H01F1/04

CPC分类号： H01F1/0576 ,  H01F1/0573

摘要： A hot press molded body or an HIP molded body having one of a composition comprisingR: 10-20 atomic %, B: 3-20 atomic %, anda total amount of one or a plurality of Ga, Zr, and Hf: 0.001-5.0 atomic %,a remainder comprising Fe and unavoidable impurities; ora composition comprisingR: 10-20 atomic %, B: 3-20 atomic %, anda total amount of one or a plurality of Ti, V, Nb, Ta, Al, and Si: 0.001-5.0 atomic %,a remainder comprising Fe and unavoidable impurities; ora composition comprising Co: 0.1-50 atomic % added to one of the above compositions, havingan aggregate structure of crystallized grains having as a main phase thereof a R.sub.2 Fe.sub.14 B type or R.sub.2 (Fe, Co).sub.14 B type intermetallic compound having a tetragonal structure, the crystallized grains having dimensions of 0.05-20 .mu.m; andindividual crystallized grains comprising more than 50 volume % of the total crystallized grains comprising the aggregate structure, have a value of less than 2 of a ratio b/a of a smallest grain diameter a and a largest grain diameter b.

摘要翻译： 一种热压成型体或HIP成型体，其具有以下组成的组成：R：10〜20原子％，B：3-20原子％，以及一个或多个Ga，Zr和Hf的总量：0.001 -5.0原子％，余量包含Fe和不可避免的杂质; 或包含R：10〜20原子％，B：3-20原子％，Ti，V，Nb，Ta，Al和Si中的一种或多种的总量为0.001-5.0原子％的组合物， 余量包含Fe和不可避免的杂质; 或包含Co:0.1〜50原子％的组成的组合物，其具有作为其主相的结晶晶粒的聚集体结构的具有四方结构的R2Fe14B型或R2（Fe，Co）14B型金属间化合物 ，晶粒尺寸为0.05〜20μm; 并且包含大于50体积％的包含聚集体结构的总结晶晶粒的单个结晶晶粒的值小于最小粒径a的比率b / a和最大粒径b的值。

公开(公告)号：US5110374A

公开(公告)日：1992-05-05

申请号：US534185

申请日：1990-06-06

申请人： Takuo Takeshita ,  Ryoji Nakayama ,  Tamotsu Ogawa

发明人： Takuo Takeshita ,  Ryoji Nakayama ,  Tamotsu Ogawa

IPC分类号： B22F9/02 ,  H01F1/057

CPC分类号： B22F9/023 ,  H01F1/0571 ,  H01F1/0573

摘要： In a rare earth-iron-boron alloy magnet powder, each individual particle includes a recrystallized grain structure containing a R.sub.2 Fe.sub.14 B intermetallic compound phase as a principal phase thereof, wherein R represents a rare earth element. The intermetallic compound phase are formed of recrystallized grains of a tetragonal crystal structure having an average crystal grain size of 0.05 .mu.m to 50 .mu.m. For producing the above magnet powder, a rear earth-iron-boron alloy material is first prepared. Then, hydrogen is occluded inot the alloy material by holding the material at a temperature of 500.degree. C. to 1,000.degree. C. either in an atmosphere of hydrogen gas or in an atmosphere of hydrogen and inert gases. Subsequently, the alloy material is subjected to dehydrogenation at a temperature of 500.degree. C. to 1,000.degree. C. until the pressure of hydrogen in the atmosphere is decreased to no greater than 1.times.10.sup.-1 torr, and is subjected to cooling.

公开(公告)号：US08552116B2

公开(公告)日：2013-10-08

申请号：US13501193

申请日：2010-10-12

申请人： Tetsuo Okura ,  Terumasa Abe ,  Ryoji Nakayama

发明人： Tetsuo Okura ,  Terumasa Abe ,  Ryoji Nakayama

IPC分类号： C08F8/00 ,  C08L23/00 ,  C08L23/04 ,  C08L23/10

CPC分类号： C08J9/0014 ,  C08F34/04 ,  C08F110/06 ,  C08F210/06 ,  C08J2323/12 ,  C08L23/04 ,  C08L23/10 ,  C08L23/12 ,  C08L2205/02 ,  C08L2205/025 ,  C08F2500/12 ,  C08F2500/23 ,  C08F2500/11 ,  C08F210/16

摘要： A polypropylene resin and a polypropylene resin composition are provided, which have excellent fluidity and foaming properties, and particularly in use for foam injection molding, allow molding with a narrow initial cavity clearance even if a large mold is used, and therefore can provide a thin, large-area foam-injection-molded article having good appearance. The invention relates to a polypropylene resin obtained by melt mixing a linear polypropylene resin, a radical polymerization initiator and a conjugated diene compound, wherein the polypropylene resin has a melt flow rate of more than 30 g/10 min and not more than 250 g/10 min as measured at 230° C. under a load of 2.16 kg; a melt tension at 200° C. of not less than 0.3 cN; and a loss tangent (tan δ) of not more than 6.0, the loss tangent being a ratio of loss modulus to storage modulus at an angular frequency of 1 rad/s in dynamic viscoelasticity measurement at 200° C., and also relates to a polypropylene resin composition for foam injection molding, containing the polypropylene resin.

摘要翻译： 提供了具有优异的流动性和发泡性的聚丙烯树脂和聚丙烯树脂组合物，特别是在用于泡沫注射成型的情况下，即使使用大型模具，也能够使初始空腔间隙窄的成型，因此可以提供薄 具有良好外观的大面积泡沫注塑制品。 本发明涉及通过熔融混合线性聚丙烯树脂，自由基聚合引发剂和共轭二烯化合物而获得的聚丙烯树脂，其中聚丙烯树脂的熔体流动速率大于30g / 10min且不超过250g / 在230℃，2.16kg负荷下测定; 在200℃下的熔体张力不小于0.3cN; 和损耗角正切（tanδ）为6.0以下，损耗角正切为在200℃的动态粘弹性测定中的角频率为1弧度/秒的损耗模量与储能模量的比率，并且还涉及 用于泡沫注塑的聚丙烯树脂组合物，含有聚丙烯树脂。

公开(公告)号：US08481178B2

公开(公告)日：2013-07-09

申请号：US13228139

申请日：2011-09-08

申请人： Muneaki Watanabe ,  Ryoji Nakayama ,  Gakuji Uozumi

发明人： Muneaki Watanabe ,  Ryoji Nakayama ,  Gakuji Uozumi

IPC分类号： B32B15/00

CPC分类号： H01F1/33 ,  B22F1/02 ,  B22F2998/00 ,  C22C33/0207 ,  H01F1/14766 ,  H01F1/24 ,  H02K1/02 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/32 ,  B22F2207/07

摘要： Oxide-coated Fe powder for producing various electromagnetic circuit components requiring high resistivity is provided. The oxide-coated Fe powder is a Mg-containing oxide film-coated iron powder coated with an Mg—Fe—O ternary-based deposition film at least containing (Mg, Fe)O. The (Mg,Fe)O is a crystalline MgO-dissolving wustite. The Mg—Fe—O ternary-based oxide deposition film has a sulfur-enriched layer containing a higher concentration of sulfur than that of central portion of the iron powder, fine crystalline texture having a grain size of 200 nm or less, and the outermost surface is substantially composed of MgO. A composite soft magnetic material using the Mg-containing oxide film-coated iron powder is also provided.

摘要翻译： 提供了用于生产需要高电阻率的各种电磁电路部件的氧化物涂覆的Fe粉末。 氧化物被覆的Fe粉末是含有至少含有（Mg，Fe）O的Mg-Fe-O三元系沉积膜的含Mg氧化物膜被覆铁粉末。 （Mg，Fe）O是结晶的MgO溶解的方钨矿。 Mg-Fe-O三元基氧化物沉积膜具有含有比铁粉中心部分更高浓度的硫的富集层，具有200nm以下的粒径的微细晶体结构， 表面基本上由MgO构成。 还提供了使用含Mg氧化物膜的铁粉的复合软磁性材料。

公开(公告)号：US20120264886A1

公开(公告)日：2012-10-18

申请号：US13501193

申请日：2010-10-12

申请人： Tetsuo Okura ,  Terumasa Abe ,  Ryoji Nakayama

发明人： Tetsuo Okura ,  Terumasa Abe ,  Ryoji Nakayama

IPC分类号： C08F8/00 ,  B29C45/00

CPC分类号： C08J9/0014 ,  C08F34/04 ,  C08F110/06 ,  C08F210/06 ,  C08J2323/12 ,  C08L23/04 ,  C08L23/10 ,  C08L23/12 ,  C08L2205/02 ,  C08L2205/025 ,  C08F2500/12 ,  C08F2500/23 ,  C08F2500/11 ,  C08F210/16

摘要： A polypropylene resin and a polypropylene resin composition are provided, which have excellent fluidity and foaming properties, and particularly in use for foam injection molding, allow molding with a narrow initial cavity clearance even if a large mold is used, and therefore can provide a thin, large-area foam-injection-molded article having good appearance. The invention relates to a polypropylene resin obtained by melt mixing a linear polypropylene resin, a radical polymerization initiator and a conjugated diene compound, wherein the polypropylene resin has a melt flow rate of more than 30 g/10 min and not more than 250 g/10 min as measured at 230° C. under a load of 2.16 kg; a melt tension at 200° C. of not less than 0.3 cN; and a loss tangent (tan δ) of not more than 6.0, the loss tangent being a ratio of loss modulus to storage modulus at an angular frequency of 1 rad/s in dynamic viscoelasticity measurement at 200° C., and also relates to a polypropylene resin composition for foam injection molding, containing the polypropylene resin.

摘要翻译： 提供了具有优异的流动性和发泡性的聚丙烯树脂和聚丙烯树脂组合物，特别是在用于泡沫注射成型的情况下，即使使用大型模具，也能够使初始空腔间隙窄的成型，因此可以提供薄 具有良好外观的大面积注射成型品。 本发明涉及通过熔融混合线性聚丙烯树脂，自由基聚合引发剂和共轭二烯化合物而获得的聚丙烯树脂，其中聚丙烯树脂的熔体流动速率大于30g / 10min且不超过250g / 在230℃，2.16kg负荷下测定; 在200℃下的熔体张力不小于0.3cN; 和损耗角正切（tanδ）为6.0以下，损耗角正切为在200℃的动态粘弹性测定中的角频率为1弧度/秒的损耗模量与储能模量的比率，并且还涉及 用于泡沫注塑的聚丙烯树脂组合物，含有聚丙烯树脂。

公开(公告)号：US07575645B2

公开(公告)日：2009-08-18

申请号：US10567476

申请日：2004-08-04

申请人： Kazunori Igarashi ,  Gakuji Uozumi ,  Yasushi Nayuki ,  Ryoji Nakayama

发明人： Kazunori Igarashi ,  Gakuji Uozumi ,  Yasushi Nayuki ,  Ryoji Nakayama

IPC分类号： H01F1/147

CPC分类号： H01F1/14758 ,  B22F1/0055 ,  B22F1/02 ,  B22F5/006 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/0433 ,  C22C2202/02 ,  H01F1/33 ,  Y10T428/2982 ,  Y10T428/2991 ,  B22F9/082 ,  B22F1/0059 ,  B22F3/18 ,  B22F2201/03

摘要： The invention provides an Fe—Ni—Mo soft magnetic flaky powder having a component composition of, in percent by mass, Ni: 60 to 90%, Mo: 0.05 to 1.95%, and the balance of Fe and unavoidable impurities, and a flat surface of an average particle size of 30 to 150 μm, and an aspect ratio (average particle size /average thickness) of 5 to 500; and having a peak intensity ratio I200/I111 within a range between 0.43 and 10, where I200 is the peak height of the face index (200) and I111 is the peak height of the face index (111), in an X-ray diffraction pattern measured in such a manner that the plane including the X-ray incident direction and the diffraction direction is perpendicular to the flat surface of the soft magnetic flaky powder, and the angle between the incident direction and the flat surface is equal to the angle between the diffraction direction and the flat surface. Furthermore, the invention provides a soft magnetic flaky powder with oxide layer wherein an oxide layer of a thickness of 50 to 1000 Å is formed on the surface of this soft magnetic flaky powder.

摘要翻译： 本发明提供一种Fe-Ni-Mo软磁性片状粉末，其组成成分为质量％：Ni：60〜90％，Mo：0.05〜1.95％，余量由Fe和不可避免的杂质构成 平均粒径为30〜150μm，纵横比（平均粒径/平均厚度）为5〜500的表面; 并且峰值强度比I200 / I111在0.43〜10的范围内，其中I200是面指数（200）的峰高，I111是面指数（111）的峰高，在X射线衍射 图案以使包括X射线入射方向和衍射方向的平面垂直于软磁性片状粉末的平坦表面的方式测量，并且入射方向和平坦表面之间的角度等于 衍射方向和平坦表面。 此外，本发明提供一种具有氧化物层的软磁片状粉末，其中在该软磁性片状粉末的表面上形成厚度为50至1000埃的氧化物层。

公开(公告)号：US20070079904A1

公开(公告)日：2007-04-12

申请号：US10569429

申请日：2004-05-13

申请人： Katsuhiko Mori ,  Ryoji Nakayama ,  Hideaki Ono ,  Tetsurou Tayu ,  Munekatsu Shimada ,  Makoto Kano ,  Yoshio Kawashita

发明人： Katsuhiko Mori ,  Ryoji Nakayama ,  Hideaki Ono ,  Tetsurou Tayu ,  Munekatsu Shimada ,  Makoto Kano ,  Yoshio Kawashita

IPC分类号： H01F1/057

CPC分类号： C22C38/005 ,  C22C1/0441 ,  C22C38/10 ,  H01F1/0572 ,  H01F41/0253 ,  Y10T428/2991

摘要： A rare earth magnet powder has a chemical composition which includes R: 5 to 20% (wherein, R represents one or two or more rare earth elements being inclusive of Y but exclusive of Dy and Tb), one or two of Dy and Tb: 0.01 to 10%, and B: 3 to 20%, with the balance comprising Fe and inevitable impurities; and an average particle diameter of 10 to 1,000 μm, wherein 70% or more of the entire surface of the rare earth magnet powder is covered with a layer being rich in the content of one or two of Dy and Tb and having a thickness of 0.05 to 50 μm.

摘要翻译： 稀土类磁体粉末具有R：5〜20％（其中，R表示一种或两种以上的稀土元素，不包括Dy，不包括Dy和Tb）的化学组成，Dy和Tb中的一种或两种： 0.01〜10％，B：3〜20％，余量由Fe和不可避免的杂质构成; 平均粒径为10〜1000μm，其中，稀土类磁体粉末的整个表面的70％以上的层被Dy和Tb中的1种或2种以上的层积覆盖，厚度为0.05 到50个妈妈