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1. 发明专利

JP2005142308A Magnetic core formed of pressed powder 审中-公开
标题翻译：压力粉末形成的磁芯
公开(公告)号：JP2005142308A
公开(公告)日：2005-06-02
申请号：JP2003376165
申请日：2003-11-05
申请人： Asahi Kasei Chemicals Corp , Daido Steel Co Ltd , 大同特殊鋼株式会社 , 旭化成ケミカルズ株式会社
发明人： SAITOU TAKANOBU , TAKEMOTO SATOSHI , DOKE KIYOTAKA , KAKIMOTO ETSUJI
IPC分类号： B22F1/02 , B22F3/08 , C22C38/00 , C22C38/06 , H01F1/147 , H01F1/24 , H01F3/08 , H01F27/255
摘要： PROBLEM TO BE SOLVED: To provide a magnetic core formed of pressed powder which ensures higher permeability, allows reduction in size and also ensures DC superimposing characteristic. SOLUTION: The magnetic core formed of pressed powder can be obtained by conducting the heat treatment to the molded material with the impulse wave compressing method of a mixture of the soft magnetic powder formed of Si of 6 to 12 mass%, Al of 3 to 8 mass% and a remainder which is substantially formed of Fe and an insulated binder for electrically insulating the soft magnetic powder. The relative density of the magnetic core of pressed powder is equal to 85% or higher and the relationship expressed by the formula μi≥79×n-15 is established between the aspect radio (n) of the soft magnetic powder and the initial permeability (μi) of the magnetic core of pressed powder using the same soft magnetic powder. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种由压粉制成的磁芯，其确保更高的磁导率，允许减小尺寸并且还确保DC叠加特性。解决方案：由粉末形成的磁芯可以通过以下组成的冲击波压制方法对成型材料进行热处理：由Si组成的软磁性粉末的混合物的6〜12质量％，Al 3〜8质量％，余量基本由Fe形成，绝缘粘合剂使软磁性粉末电绝缘。压粉的磁芯的相对密度等于85％以上，并且由软磁粉末的方形无线电（n）和初始磁导率（n）之间建立由公式μi≥79×n-15表示的关系式 μi）使用相同的软磁粉末的压粉粉末的磁芯。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005340290A Hard magnetic solid material and its manufacturing method 审中-公开
标题翻译：硬磁固体及其制造方法
公开(公告)号：JP2005340290A
公开(公告)日：2005-12-08
申请号：JP2004153648
申请日：2004-05-24
申请人： Asahi Kasei Chemicals Corp , Daido Steel Co Ltd , 大同特殊鋼株式会社 , 旭化成ケミカルズ株式会社
发明人： YAMADA HITOMI , IRIYAMA YASUHIKO , KAKIMOTO ETSUJI , DOKE KIYOTAKA
IPC分类号： B22F3/08 , H01F1/053 , H01F1/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a hard magnetic solid material for high resistant magnet which is a high resistor and also has a high standard magnet performance, and to provide a manufacturing method of the material. SOLUTION: The hard magnetic solid material is compressed and solidified by adding an impulse wave to hard magnetic powder having an insulating coating film. In the hard magnetic solid material, a volume fraction of hard magnetic powder is 85% or above, and volume resistivity is 300 μΩ cm or above. The impulse wave is added to hard magnetic powder having the insulating coating film through liquid. Thus, hard magnetic powder is compressed and solidified so as to manufacture the hard magnetic solid material. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于高电阻的高耐性磁体的硬磁固体材料，并且还具有高的标准磁性能，并提供该材料的制造方法。解决方案：通过向具有绝缘涂膜的硬磁性粉末添加脉冲波，将硬磁性固体材料压缩和固化。在硬磁性固体材料中，硬磁粉末的体积分数为85％以上，体积电阻率为300μΩcm以上。通过液体将脉冲波加到具有绝缘涂膜的硬磁粉末上。因此，硬磁粉末被压缩和固化，以制造硬磁固体材料。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2012164983A Method for manufacturing solid material for magnet 有权
标题翻译：制造磁铁固体材料的方法
公开(公告)号：JP2012164983A
公开(公告)日：2012-08-30
申请号：JP2012032884
申请日：2012-02-17
申请人： Asahi Kasei Chemicals Corp , 旭化成ケミカルズ株式会社
发明人： KAKIMOTO ETSUJI , IMAOKA NOBUYOSHI , CHIBA TAKASHI , DOKE KIYOTAKA , SHIBAZAKI ICHIRO
IPC分类号： H01F1/055 , B22F1/00 , B22F3/00 , B22F3/02 , B22F3/087 , C22C19/07 , C22C33/02 , C22C38/00 , H01F1/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a solid material for magnet based on rare-earth, iron, nitrogen, hydrogen and oxygen, which has a high density and a high magnetic characteristic and is excellent in thermal stability and oxygen resistance.SOLUTION: The method for manufacturing the solid material for the magnet containing a magnetic material based on rare-earth, iron, nitrogen, hydrogen and oxygen of 50-100 vol.% includes shock-compressing and solidifying a raw material powder of the magnetic material based on rare-earth, iron, nitrogen, hydrogen and oxygen by using underwater shock waves of 3-40 GPa, and obtaining the solid material for the magnet mainly containing the R-Fe-N-H-O-based magnetic material by utilizing the features such as ultra high pressure shearing performance, an activating action and a short-time phenomenon which a shock-compression technique has.
摘要翻译：解决问题的方案：提供一种制备基于稀土，铁，氮，氢和氧的磁体固体材料的方法，其具有高密度和高磁特性，并且热稳定性优异，耐氧性。解决方案：含有50-100体积％的基于稀土，铁，氮，氢和氧的磁性材料的磁体的固体材料的制造方法包括将原料粉末通过使用3-40GPa的水下冲击波，基于稀土，铁，氮，氢和氧的磁性材料，并且通过利用主要包含R-Fe-NHO基磁性材料的磁体获得固体材料特征如超高压剪切性能，冲击压缩技术的激活作用和短时间现象。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2004146543A Solid material for magnet and its manufacturing method 审中-公开
公开(公告)号：JP2004146543A
公开(公告)日：2004-05-20
申请号：JP2002309049
申请日：2002-10-23
申请人： Asahi Kasei Chemicals Corp , 旭化成ケミカルズ株式会社
发明人： KAKIMOTO ETSUJI , DOKE KIYOTAKA , SHIBAZAKI ICHIRO , IMAOKA NOBUYOSHI , CHIBA TAKASHI
IPC分类号： C22C38/00 , H01F1/053 , H01F1/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a solid material for rare-earth-iron-nitrogen-based magnet that has a high density and a high magnetic characteristic and is excellent in thermal stability and oxygen resistance, and also to provide a method of manufacturing the material. SOLUTION: The solid material for magnet is manufactured by compression-molding and solidifying a material containing magnetic material based on a rare-earth, iron and nitrogen by using an underwater shock wave. COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2012069962A Solid material for magnets 有权
标题翻译：磁铁固体材料
公开(公告)号：JP2012069962A
公开(公告)日：2012-04-05
申请号：JP2011229588
申请日：2011-10-19
申请人： Asahi Kasei Chemicals Corp , 旭化成ケミカルズ株式会社
发明人： KAKIMOTO ETSUJI , DOKE KIYOTAKA , SHIBAZAKI ICHIRO , IMAOKA NOBUYOSHI , CHIBA TAKASHI
IPC分类号： H01F1/053 , B22F3/00 , B22F3/087 , C22C38/00 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a solid material for magnets which is solidified by metallic bonds and has high density, high magnetic performance, excellent thermal stability and excellent oxidation resistance.SOLUTION: A rare earth-iron-nitrogen-hydrogen-based magnetic material with a rhombohedral or hexagonal crystal structure is represented by general formula RFeNH, where R represents at least one element selected from rare earth elements including Y, as well as α, β and γ are atomic percentages satisfying 3≤α≤20, 5≤β≤30, and 0.01≤γ≤10. The content of the rare earth-iron-nitrogen-hydrogen-based magnetic material in the solid material for magnets is 80-100 vol.%.
摘要翻译：要解决的问题：提供一种通过金属粘结固化并具有高密度，高磁性能，优异的热稳定性和优异的抗氧化性的磁体的固体材料。解决方案：具有菱方晶或六方晶体结构的稀土 - 铁 - 氮 - 氢 - 氢基磁性材料由通式R表示：SB Fe H γ，其中R表示至少一个元素选自包括Y的稀土元素以及α，β和γ是原子百分比，满足3≤α≤20,5≤β≤30,0.01≤γ≤10。用于磁体的固体材料中的稀土 - 铁 - 氮 - 氢 - 氢系磁性材料的含量为80-100体积％。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2004146542A Solid material for magnet and its manufacturing method 有权
公开(公告)号：JP2004146542A
公开(公告)日：2004-05-20
申请号：JP2002309048
申请日：2002-10-23
申请人： Asahi Kasei Chemicals Corp , 旭化成ケミカルズ株式会社
发明人： KAKIMOTO ETSUJI , DOKE KIYOTAKA , SHIBAZAKI ICHIRO , IMAOKA NOBUYOSHI , CHIBA TAKASHI
IPC分类号： C22C38/00 , H01F1/053 , H01F1/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a solid material for magnet based on rare-earth, iron, nitrogen, hydrogen, and oxygen having a high density and a high magnetic characteristic and is excellent in thermal stability and oxidation resistance, and also to provide a method of manufacturing the material. SOLUTION: The solid material for magnet is manufactured by compression-molding and solidifying a material containing a magnetic material based on rare-earth, iron, nitrogen, hydrogen and oxygen by using an underwater shock wave. COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2004146432A Solid material for magnet 审中-公开
公开(公告)号：JP2004146432A
公开(公告)日：2004-05-20
申请号：JP2002306902
申请日：2002-10-22
申请人： Asahi Kasei Chemicals Corp , 旭化成ケミカルズ株式会社
发明人： KAKIMOTO ETSUJI , DOKE KIYOTAKA , SHIBAZAKI ICHIRO , IMAOKA NOBUYOSHI , CHIBA TAKASHI
IPC分类号： C01G49/00 , H01F1/053 , H01F1/08 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a solid material for R-Fe-N-based magnet that has a high density and a high magnetic characteristic and is excellent in thermal stability and oxidation resistance, and also to provide a method of manufacturing the material. SOLUTION: The solid material for magnet contains a rare-earth-iron-nitrogen-based magnetic material and has a density of >7.45 g/cm 3 . The solid material which has the high density and is high in performance is obtained without requiring any binder and performing self-sintering by preventing decomposition and denitrification by molding rare-earth-iron-nitrogen-based magnetic power, etc., and impulsively compressing the molded body using an underwater shock wave. COPYRIGHT: (C)2004,JPO

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