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1.发明公开METHOD FOR MANUFACTURING FERROMAGNETIC IRON NITRIDE POWDER, ANISOTROPIC MAGNET, BOND MAGNET, AND COMPRESSED-POWDER MAGNET 审中-公开METHOD FOR PRODUCTION FERRO氮化铁磁性粉末，各向异性磁铁，复合磁铁与磁铁由压制粉
公开(公告)号：EP2760033A1
公开(公告)日：2014-07-30
申请号：EP12833413.3
申请日：2012-09-20
摘要： The present invention provides ferromagnetic iron nitride particles, in particular, in the form of fine particles, and a process for producing the ferromagnetic iron nitride particles. The present invention relates to a process for producing ferromagnetic iron nitride particles, comprising the steps of mixing metallic iron obtained by mixing at least one compound selected from the group consisting of a metal hydride, a metal halide and a metal borohydride with an iron compound, and then subjecting the obtained mixture to heat treatment, with a nitrogen-containing compound; and then subjecting the resulting mixture to heat treatment, in which a reduction step and a nitridation step of the iron compound are conducted in the same step, and the at least one compound selected from the group consisting of a metal hydride, a metal halide and a metal borohydride is used as a reducing agent in the reduction step, whereas the nitrogen-containing compound is used as a nitrogen source in the nitridation step.
摘要翻译： 本发明提供了强磁性氮化铁颗粒，特别是，在细颗粒的形式，和用于制造强磁性氮化铁颗粒的方法。 本发明涉及一种用于制造强磁性铁氮化物粒子，包括混合通过混合选自金属氢化物，金属卤化物，并与在铁化合物的金属硼氢化物中的至少一种化合物获得的金属铁的步骤， 然后对混合物进行热处理而得到，具有含氮化合物; 并且然后将得到的混合物进行热处理，其中还原步骤和铁化合物的氮化步骤在同一步骤中进行的，选自金属氢化物，金属卤化物中选择的至少一种化合物和 金属硼氢化物被用作在还原工序的还原剂，而该含氮化合物用作在氮化步骤氮源。
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2.发明公开PROCESS FOR PRODUCING FERROMAGNETIC PARTICULATE POWDER, AND ANISOTROPIC MAGNET, BONDED MAGNET, AND COMPACTED MAGNET 审中-公开METHOD FOR PRODUCING磁性颗粒和FERRO各向异性磁铁粉末，磁铁结合并PRESS MAGNET
公开(公告)号：EP2704159A1
公开(公告)日：2014-03-05
申请号：EP12776047.8
申请日：2012-04-26
发明人： TAKAHASHI, Migaku , OGAWA, Tomoyuki , OGATA, Yasunobu , KOBAYASHI, Naoya , POLWATTA GALLAGE, Chammika Ruwan , KOHARA, Kaori
CPC分类号： H01F1/01 , B22F9/22 , C01B21/0622 , C01P2004/51 , C01P2004/54 , C01P2006/12 , C01P2006/42 , C22C38/001 , C22C2202/02 , H01F1/065 , H01F1/083 , H01F41/0266
摘要： The present invention relates to ferromagnetic particles capable of exhibiting a high purity and excellent magnetic properties from the industrial viewpoints and a process for producing the ferromagnetic particles, and also provides an anisotropic magnet, a bonded magnet and a compacted magnet which are obtained by using the ferromagnetic particles. The ferromagnetic particles comprising an Fe 16 N 2 compound phase in an amount of not less than 80% as measured by Mössbauer spectrum and each having an outer shell in which FeO is present in the form of a layer having a thickness of not more than 5 nm according to the present invention can be produced by subjecting aggregated particles of an iron compound as a starting material whose primary particles have a ratio of [(average deviation of major axis lengths of particles)/(average major axis length of particles)] of not more than 50%, U c of not more than 1.55, C g of not less than 0.95, C g 2 of not less than 0.40, an average major axis length of 40 to 5000 nm, and an aspect ratio (major axis diameter/minor axis diameter) of 1 to 200, to dispersing treatment; then subjecting the iron compound particles passed through a mesh screen to reducing treatment at a temperature of 160 to 420°C; and subjecting the resulting particles to nitridation treatment at a temperature of 130 to 170°C.
摘要翻译： 本发明涉及一种铁磁性粒子能够显示出在工业上具有高纯度和优异的磁特性及其制造铁磁颗粒的方法，并由此提供关于各向异性磁体，粘结磁体和通过使用获得的压粉磁铁 铁磁性颗粒。 在不小于80％，如通过穆斯堡尔谱量中的铁磁颗粒的Fe 16包含N 2化合物相和每一个都具有在outershell其中的FeO存在于具有厚度的不超过5的层的形式 纳米雅丁到本发明可以通过使铁化合物的凝聚粒子作为原料的一次颗粒具有的比[（颗粒的长轴长度的平均偏差）/（粒子的平均长轴长度）]来生产 不超过50％，不超过1.55 C g还的不小于0.95ü℃，不小于0.40 C g还2（上为40至5000纳米的平均长轴长度，和纵横比长轴直径的 的1〜200 /短轴直径），以分散处理; 然后进行在160〜420℃的温度下还原处理通过网筛的铁化合物颗粒; 和使所得到的颗粒以氮化处理在130℃至170℃
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3.发明公开FERROMAGNETIC PARTICLE POWDER, METHOD FOR PRODUCING SAME, ANISOTROPIC MAGNET AND BONDED MAGNET 有权FERROMAGNETISCHES PARTIKELPULVER，VERFAHREN ZU SEINER HERSTELLUNG，ANISOTROPER MAGNET UND GEBUNDENER MAGNET
公开(公告)号：EP2492927A1
公开(公告)日：2012-08-29
申请号：EP10824929.3
申请日：2010-10-19
CPC分类号： H01F1/0533 , B82Y30/00 , C01B21/0622 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/42 , H01F1/06 , H01F1/061 , H01F1/08 , Y10T428/2982
摘要： The present invention relates to Fe 16 N 2 particles in the form of a single phase which are obtained by subjecting iron oxide or iron oxyhydroxide whose surface may be coated with at least alumina or silica, if required, as a starting material, to reducing treatment and nitridation treatment, a process for producing the Fe 16 N 2 particles in the form of a single phase for a heat treatment time of not more than 36 hr, and further relates to an anisotropic magnet or a bonded magnet which is obtained by magnetically orienting the Fe 16 N 2 particles in the form of a single phase. The Fe 16 N 2 particles according to the present invention can be produced in an industrial scale and have a large BH max value.
摘要翻译： 本发明涉及单相形式的Fe 16 N 2颗粒，其通过使表面可以至少涂覆氧化铝或二氧化硅的氧化铁或羟基氧化铁（如果需要）作为起始原料来进行还原处理而获得 氮化处理，热处理时间不超过36小时的单相形式的Fe 16 N 2粒子的制造方法，还涉及通过磁性取向获得的各向异性磁体或粘结磁体 单相形式的Fe 16 N 2颗粒。 根据本发明的Fe 16 N 2颗粒可以以工业规模生产并具有大的BH最大值。
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4.发明公开FERROMAGNETIC GRANULAR POWDER AND METHOD FOR MANUFACTURING SAME, AS WELL AS ANISOTROPIC MAGNET, BONDED MAGNET, AND PRESSED-POWDER MAGNET 审中-公开粒状铁磁性粉末及其制造方法和各向异性磁铁，复合磁性并按POWDER MAGNET
公开(公告)号：EP2666563A1
公开(公告)日：2013-11-27
申请号：EP12736352.1
申请日：2012-01-19
发明人： TAKAHASHI, Migaku , OGAWA, Tomoyuki , OGATA, Yasunobu , KOBAYASHI, Naoya , POLWATTA GALLAGE, Chammika Ruwan , KOHARA, Kaori
CPC分类号： H01F1/01 , B22F1/02 , B22F9/22 , B22F2999/00 , C01B21/0622 , C01P2004/54 , C01P2004/61 , C01P2006/12 , C01P2006/42 , C22C21/00 , C22C29/16 , H01F1/065 , H01F1/083 , H01F1/086 , H01F41/00 , H01F41/0266 , B22F2201/013
摘要： The present invention relates to ferromagnetic particles capable of exhibiting a high purity and excellent magnetic properties from the industrial viewpoints and a process for producing the ferromagnetic particles, and also provides an anisotropic magnet, a bonded magnet and a compacted magnet which are obtained by using the ferromagnetic particles. The ferromagnetic particles comprising an Fe 16 N 2 compound phase in an amount of not less than 80% as measured by Mössbauer spectrum and each having an outer shell in which FeO is present in the form of a film having a thickness of not more than 5 nm according to the present invention can be produced by subjecting iron oxide or iron oxyhydroxide having an average major axis diameter of 40 to 5000 nm and an aspect ratio (major axis diameter/minor axis diameter) of 1 to 200 as a starting material to dispersing treatment to prepare aggregated particles; subjecting the iron compound particles passed through a mesh to hydrogen reducing treatment at a temperature of 160 to 420°C; and then subjecting the resulting particles to nitridation treatment at a temperature of 130 to 170°C.
摘要翻译： 本发明涉及一种铁磁性粒子能够显示出在工业上具有高纯度和优异的磁特性及其制造铁磁颗粒的方法，并由此提供关于各向异性磁体，粘结磁体和通过使用获得的压粉磁铁 铁磁性颗粒。 在不小于80％，如通过穆斯堡尔谱量中的铁磁颗粒的Fe 16包含N 2化合物相和每一个都具有在outershell其中的FeO存在于具有厚度的不超过5的膜的形式 纳米雅丁到，本发明可以通过对具有上的40平均长轴径至5000nm和在作为起始材料以分散的1到200的纵横比（长轴直径/短轴直径）氧化铁或羟基氧化铁产生 热处理，来制备凝集颗粒; 在160到420℃的温度进行过筛，以氢还原处理的铁化合物颗粒; 然后在130的温度下对得到的颗粒氮化处理至170℃
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5.发明公开FERROMAGNETIC PARTICLE POWDER, METHOD FOR PRODUCING SAME, ANISOTROPIC MAGNET, AND BONDED MAGNET 审中-公开FERROMAGNETISCHES PARTIKELPULVER，VERFAHREN ZU SEINER HERSTELLUNG，ANISOTROPER MAGNET UND GEBUNDENER MAGNET
公开(公告)号：EP2620955A1
公开(公告)日：2013-07-31
申请号：EP11826906.7
申请日：2011-09-22
发明人： TAKAHASHI, Migaku , OGAWA, Tomoyuki , OGATA, Yasunobu , SAKUMA, Akimasa , KOBAYASHI, Naoya , POLWATTA GALLAGE, Chammika Ruwan , KOHARA, Kaori
CPC分类号： H01F7/02 , B22F9/22 , B22F2998/10 , B22F2999/00 , B82Y30/00 , C01B21/0602 , C01B21/0622 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/42 , C22C29/16 , H01F1/065 , H01F1/083 , H01F41/02 , Y10T428/2982 , B22F2201/013 , B22F1/0088 , B22F2201/016 , C22C33/0235 , B22F1/0085
摘要： The present invention relates to ferromagnetic particles comprising an Fe 16 N 2 compound phase in an amount of not less than 70% as measured by Mössbauer spectrum, and at least one metal element X selected from the group consisting of Mn, Ni, Ti, Ga, Al, Ge, Zn, Pt and Si in such an amount that a molar ratio of the metal element X to Fe is 0.04 to 25%, the ferromagnetic particles having a BH max value of not less than 5 MGOe, and a process for producing the ferromagnetic particles, and further relates to an anisotropic magnet or a bonded magnet which is obtained by magnetically orienting the ferromagnetic particles. The ferromagnetic particles according to the present invention can be produced in an industrial scale and are in the form of Fe 16 N 2 particles comprising different kinds of metal elements having a large BH max value.
摘要翻译： 本发明涉及由Mössbauer光谱测定的含有不少于70％的Fe 16 N 2化合物相的铁磁性颗粒和至少一种选自Mn，Ni，Ti，Ga的金属元素X ，Al，Ge，Zn，Pt和Si中的至少一种，使得金属元素X与Fe的摩尔比为0.04〜25％，铁磁性粒子的BH最大值为5MGOe以上， 产生铁磁颗粒，并且还涉及通过磁性取向铁磁颗粒获得的各向异性磁体或粘结磁体。 根据本发明的铁磁颗粒可以以工业规模生产，并且是包含具有大的BH最大值的不同种类的金属元素的Fe 16 N 2颗粒的形式。
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6.发明授权FERROMAGNETIC PARTICLE POWDER, METHOD FOR PRODUCING SAME, ANISOTROPIC MAGNET AND BONDED MAGNET 有权铁磁粒子粉末，其制造方法，各向异性磁铁及结合磁铁
公开(公告)号：EP2492927B1
公开(公告)日：2018-04-18
申请号：EP10824929.3
申请日：2010-10-19
CPC分类号： H01F1/0533 , B82Y30/00 , C01B21/0622 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/42 , H01F1/06 , H01F1/061 , H01F1/08 , Y10T428/2982
摘要： The present invention relates to Fe 16 N 2 particles in the form of a single phase which are obtained by subjecting iron oxide or iron oxyhydroxide whose surface may be coated with at least alumina or silica, if required, as a starting material, to reducing treatment and nitridation treatment, a process for producing the Fe 16 N 2 particles in the form of a single phase for a heat treatment time of not more than 36 hr, and further relates to an anisotropic magnet or a bonded magnet which is obtained by magnetically orienting the Fe 16 N 2 particles in the form of a single phase. The Fe 16 N 2 particles according to the present invention can be produced in an industrial scale and have a large BH max value.
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