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41. 发明专利

JP2008248253A Lubricating agent for lubrication of mold and method for manufacturing high density shaped article of iron-based powder 有权
标题翻译：用于润滑模具的润滑剂和用于制造基于粉末的粉末的高密度成形品的方法
公开(公告)号：JP2008248253A
公开(公告)日：2008-10-16
申请号：JP2008116518
申请日：2008-04-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , UNAMI SHIGERU , UENOSONO SATOSHI
IPC分类号： C10M105/24 , B22F3/02 , B22F3/035 , C10M103/02 , C10M103/06 , C10M105/56 , C10M105/68 , C10M105/70 , C10M107/04 , C10M107/06 , C10M107/28 , C10M107/38 , C10M107/44 , C10N10/02 , C10N10/04 , C10N10/12 , C10N20/00 , C10N40/36
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a high density shaped article of an iron-based powder, by which a high density shaped article can be obtained by a single shaping process.
SOLUTION: A lubricating agent for lubrication of a mold is made of mixed powders (excluding a mixed powder of lithium stearate and ethylenebisstearoamide) of two or more types of lubricating agent having melting points higher than a predetermined temperature for pressure shaping.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造铁基粉末的高密度成形制品的方法，通过该方法可以通过单次成形方法获得高密度成形制品。解决方案：用于润滑模具的润滑剂由熔点高于预定温度的两种或更多种类型的润滑剂的混合粉末（不包括硬脂酸锂和亚乙基双硬脂酰胺的混合粉末）制成，用于压力成形。版权所有（C）2009，JPO＆INPIT

42. 发明专利

JP2008240031A Preform for pressing using iron powder as raw material, and its manufacturing method 审中-公开
标题翻译：用铁粉作为原料进行压制及其制造方法
公开(公告)号：JP2008240031A
公开(公告)日：2008-10-09
申请号：JP2007079532
申请日：2007-03-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAKAMURA NAOMICHI , UENOSONO SATOSHI
IPC分类号： C22C33/02 , B22F3/02 , B22F3/10 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide a preform for pressing by which a high-density, high-strength iron-based sintered member can be produced without addition of expensive alloy components and also to provide its manufacturing method.
SOLUTION: An iron powder is mixed with a graphite powder or further a lubricating material and the resulting iron-based powder mixture is subjected to pressing and pre-sintering to manufacture the preform for pressing. In this manufacturing method, holding is done, as the pre-sintering, at 1,000 to 1,200°C for ≤60 sec in an inert atmosphere.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于压制的预成型件，通过该预成型件可以在不添加昂贵的合金部件的情况下生产高密度，高强度的铁基烧结构件，并且还提供其制造方法。解决方案：将铁粉与石墨粉末或其他润滑材料混合，并将所得的铁基粉末混合物进行压制和预烧结以制造用于压制的预成型件。在该制造方法中，在惰性气氛中，在1000〜1200℃下保持≤60秒作为预烧结。版权所有（C）2009，JPO＆INPIT

43. 发明专利

JP2006257539A Mixed powder for powder metallurgy 有权
标题翻译：用于粉末冶金的混合粉末
公开(公告)号：JP2006257539A
公开(公告)日：2006-09-28
申请号：JP2005124373
申请日：2005-04-22
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UNAMI SHIGERU , UENOSONO SATOSHI , OZAKI YUKIKO
IPC分类号： B22F1/00
摘要： PROBLEM TO BE SOLVED: To provide a mixed powder for powder metallurgy which is composed mainly of an alloy steel powder and is enhanced not only in tensile strength but also in fatigue strength while maintaining high density of a sintered compact.
SOLUTION: The mixed powder for powder metallurgy is obtained by blending 0.2 to 5 mass% Ni powder and/or 0.2 to 3 mass% Cu powder into the alloy steel powder containing 0.05 to 1.0 mass% Mo in the state of being diffused and adhered to the surface of an iron base powder containing ≤0.5 mass% Mn and 0.2 to 1.5 mass% Mo, as a prealloy.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种主要由合金钢粉末组成的粉末冶金用混合粉末，并且在保持高密度烧结体的同时不仅具有拉伸强度而且在疲劳强度方面得到增强。解决方案：粉末冶金用混合粉末是通过将0.2〜5质量％的Ni粉末和/或0.2〜3质量％的Cu粉末在扩散状态下混入含有0.05〜1.0质量％的Mo的合金钢粉末中而得到的并且附着在含有≤0.5质量％Mn和0.2〜1.5质量％Mo的铁基粉末的表面作为预合金。版权所有（C）2006，JPO＆NCIPI

44. 发明专利

JP2005330573A Alloy steel powder for powder metallurgy 有权
标题翻译：用于粉末冶金的合金钢粉
公开(公告)号：JP2005330573A
公开(公告)日：2005-12-02
申请号：JP2004230629
申请日：2004-08-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UNAMI SHIGERU , OZAKI YUKIKO , UENOSONO SATOSHI , NAKAMURA NAOMICHI
IPC分类号： B22F1/02 , C22C38/00 , C22C38/46
摘要： PROBLEM TO BE SOLVED: To provide an alloy steel powder for powder metallurgy capable of increasing the bearing fatigue strength of a sintered compact while highly maintaining its density.
SOLUTION: The alloy steel powder for powder metallurgy includes an iron-based powder containing about 0.5 mass percent or less of Mn as a prealloyed element and 0.2 to 1.5 mass percent of Mo as a prealloyed element; and a Mo-containing alloy powder bonded on the surface of the iron-based powder. In the alloy steel powder for powder metallurgy, a Mo average content [Mo]
T (mass%) satisfies formula 0.05≤[Mo]
T -[Mo]
p ≤0.8, wherein the content [Mo]
P is the above prealloyed Mo content (mass percent) in the iron-based powder. Thus the bearing fatigue strength of a sintered compact obtained from the alloy steel powder can be increased while increasing its density.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够在高度保持其密度的同时提高烧结体的轴承疲劳强度的粉末冶金用合金钢粉末。解决方案：用于粉末冶金的合金钢粉末包括含有约0.5质量％以下的Mn作为预合金元素的铁基粉末和作为预合金元素的Mo为0.2〜1.5质量％的铁基粉末; 以及粘结在铁基粉末的表面上的含Mo合金粉末。在用于粉末冶金的合金钢粉末中，Mo平均含量[Mo] T （质量％）满足公式0.05≤[Mo] T - [Mo] p ≤0.8，其中含量[Mo]≤P是铁基粉末中上述预合金化的Mo含量（质量百分比）。因此，可以增加由合金钢粉末获得的烧结体的轴承疲劳强度，同时增加其密度。版权所有（C）2006，JPO＆NCIPI

45. 发明专利

JP2005330547A Iron-based mixed powder for powder metallurgy and manufacturing method therefor 审中-公开
标题翻译：基于铁粉的粉末冶金粉末及其制造方法
公开(公告)号：JP2005330547A
公开(公告)日：2005-12-02
申请号：JP2004150577
申请日：2004-05-20
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ONO TOMOSHIGE , OZAKI YUKIKO , UENOSONO SATOSHI
IPC分类号： B22F1/02 , C22C33/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide an iron-based mixed powder for powder metallurgy, which can reduce a force of extracting a green compact from a powder-compacting die, and inhibit particularly galling from occurring in the die during compacting.
SOLUTION: This iron-based mixed powder includes a graphite-coated iron-based powder of which the surface is covered with 0.05 pts. by mass or more of graphite with a particle diameter of less than 5 μm, with respect to 100 pts. by mass of the iron-based powder.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于粉末冶金的铁基混合粉末，其可以减少从粉末压实模具中提取生坯的力量，并且在压实期间抑制在模具中特别发生的磨损。该解决方案：该铁基混合粉末包括其表面覆盖有0.05点的石墨涂覆的铁基粉末。以下，相对于100个点，粒径小于5μm的石墨质量以上。的铁基粉末。版权所有（C）2006，JPO＆NCIPI

46. 发明专利

JP2005264201A Ferrous group powder mixture for powder metallurgy, and its production method 审中-公开
标题翻译：粉末冶金粉末混合粉及其生产方法
公开(公告)号：JP2005264201A
公开(公告)日：2005-09-29
申请号：JP2004075991
申请日：2004-03-17
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ONO TOMOSHIGE , UNAMI SHIGERU , OZAKI YUKIKO , UENOSONO SATOSHI
IPC分类号： B22F1/00
摘要： PROBLEM TO BE SOLVED: To provide a ferrous group powder mixture for powder metallurgy which is little in extraction force from a metal mold with a smaller amount of a lubricant and is high in green compact density, i.e. excellent in cold moldability. SOLUTION: The ferrous group powder mixture is prepared by mixing a free lubricant containing an erucic acid amide and/or oleic acid amide at a ratio of 0.05 to 0.2 mass% of the entire part of the mixture with ferrous group powder stuck with graphite by an organic binder, in which at least 30 mass% of the free lubricant is composed of secondary particles of a grain size 10 to 200 μm granulated by flocculating the primary particles of a grain size 1 to 30 μm. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种粉末冶金用铁粉组合物，其从具有较少量润滑剂的金属模具提取力很小，并且生坯密度高，即冷成型性优异。解决方案：通过将含有芥酸酰胺和/或油酸酰胺的游离润滑剂与混合物的整个部分的0.05至0.2质量％的比例混合，并将铁基粉末粘贴在石墨由有机粘合剂构成，其中至少30质量％的游离润滑剂由粒径为1〜30μm的一次粒子絮凝造粒的粒径为10〜200μm的二次粒子构成。版权所有（C）2005，JPO＆NCIPI

47. 发明专利

JP2005113258A Metal powder for powder magnetic core, and powder magnetic core using it 审中-公开
标题翻译：用于粉末磁芯的金属粉末和使用它的粉末磁芯
公开(公告)号：JP2005113258A
公开(公告)日：2005-04-28
申请号：JP2003429023
申请日：2003-12-25
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UEDA MASATERU , NAKAMURA NAOMICHI , MAETANI TOSHIO , UENOSONO SATOSHI
IPC分类号： B22F1/02 , B22F3/00 , B22F3/24 , H01F1/24 , H01F27/255
摘要： PROBLEM TO BE SOLVED: To provide a metal powder for a powder magnetic core which has a high magnetic flux density together with a high insulation characteristic and is useful for an iron core for a motor. SOLUTION: Phosphate or a phosphoric acid compound containing aluminum is used as the coating material, in coated metal powder formed by coating the surface of the ferromagnetic metal powder with the coating material. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有高磁通密度和高绝缘特性的粉末磁芯的金属粉末，并且可用于电动机的铁芯。解决方案：使用磷酸盐或含有铝的磷酸化合物作为涂层材料，通过用涂覆材料涂覆强磁性金属粉末的表面而形成的涂覆金属粉末中。版权所有（C）2005，JPO＆NCIPI

48. 发明专利

JP2004162170A Atomized iron powder for powder metallurgy and its producing method 审中-公开
标题翻译：用于粉末冶金的粉末冶金粉及其生产方法
公开(公告)号：JP2004162170A
公开(公告)日：2004-06-10
申请号：JP2003200595
申请日：2003-07-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SONOBE AKIO , UENOSONO SATOSHI
IPC分类号： B22F9/22 , B22F1/00
摘要： PROBLEM TO BE SOLVED: To provide an atomized iron powder for powder metallurgy having excellent compactness and formability.
SOLUTION: Hematite powder and graphite powder are mixed with the raw powder for atomization, and heat treatment under a reducing atmosphere is performed. Consequently, the atomized iron powder is obtained in which the roughness on the powder surface is increased, the apparent density is made to be ≤ 2.50 Mg/m
3 and the compressed powder density under 490 MPa compressing force is controlled to ≥ 6.80 Mg/m
3 .
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供具有优异的致密性和成形性的粉末冶金用雾化铁粉末。
解决方案：将赤铁矿粉末和石墨粉末与原料粉末混合进行雾化，并进行还原气氛下的热处理。因此，得到粉末状表面的粗糙度增加，表观密度为2.50Mg / m 3以下的压缩粉末密度为490MPa的压缩粉末的雾化铁粉末为控制在≥6.80 Mg / m 3 。版权所有（C）2004，JPO

49. 发明专利

JP2004115926A Method for producing iron based powdery mixture for powder metallurgy having excellent fluidity and stable apparent density 有权
标题翻译：用于生产具有优异流动性和稳定的明显密度的粉末冶金的基于铁的粉末混合物的方法
公开(公告)号：JP2004115926A
公开(公告)日：2004-04-15
申请号：JP2004016585
申请日：2004-01-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UENOSONO SATOSHI , OZAKI YUKIKO , OGURA KUNIAKI
IPC分类号： B22F1/00 , B22F3/02
摘要： PROBLEM TO BE SOLVED: To provide an iron based powdery mixture for powder metallurgy in which the segregation of additives such as a lubricant, graphite powder and copper powder and the occurrence of dust are reduced, the change of fluidity in the lapse of time is reduced, and the variation of apparent density is extremely little.
SOLUTION: At least one or more kinds of powders for an alloy and two or more kinds of wax having different melting points are added to an iron based powder, and they are subjected to primary mixing. The temperature is raised in the process of the primary mixing stage or after the primary mixing to produce a partial melt of the wax. Next, cooling is performed while it is subjected to secondary mixing, and the partial melt is cooled to solidify. The powders for an alloy are stuck to the surfaces of the iron based powder grains by the bonding force of the partial melt. Further, metallic soap or wax and an antistatic agent of 0.001 to 0.1 wt.% are added at the cooling, and third mixing is performed.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供一种用于粉末冶金的铁基粉末混合物，其中诸如润滑剂，石墨粉末和铜粉末的添加剂的偏析和灰尘的发生减少，流逝的流动性的变化时间减少，表观密度的变化极小。解决方案：将至少一种或多种用于合金的粉末和两种或更多种不同熔点的蜡加入到铁基粉末中，并将它们进行初步混合。在初级混合阶段或初次混合过程中升高温度以产生蜡的部分熔融。接下来，在进行二次混合的同时进行冷却，将部分熔融物冷却固化。合金粉末通过部分熔体的粘合力粘附在铁基粉末颗粒的表面上。此外，在冷却时加入0.001〜0.1重量％的金属皂或蜡和抗静电剂，进行第三次混合。版权所有（C）2004，JPO

50. 发明专利

JP2010156059A Iron-based powdery mixture for warm die lubrication molding 审中-公开
标题翻译：基于铁的粉末混合物，用于加热模具
公开(公告)号：JP2010156059A
公开(公告)日：2010-07-15
申请号：JP2010064350
申请日：2010-03-19
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： UNAMI SHIGERU , OZAKI YUKIKO , UENOSONO SATOSHI
IPC分类号： B22F1/00 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a high density iron-based powder molded body which can obtain a molded body having high density by single press molding, and to provide a method for producing a sintered compact using the molded body. SOLUTION: The iron-based powdery mixture comprises: iron-based powder; a lubricant for powder molding in which 10 to 75 mass% of the whole quantity is composed of the one having a melting point lower than the prescribed temperature in press molding, and the balance is composed of the one having a melting point higher than the prescribed temperature in press molding; and graphite by COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种可以通过单次压制成型得到高密度成形体的高密度铁系粉末成型体的制造方法，提供一种使用该成型体的烧结体的制造方法身体。铁基粉末混合物包括：铁基粉末; 用于粉末成型的润滑剂，其中10〜75质量％的全部量由熔点低于压制成型中的规定温度的组成构成，余量由熔点高于规定温度压模温度; 和相对于铁基粉末混合物的总量的<0.5质量％的石墨。将加热的铁基粉末状混合物填充到表面用包含熔点高于压制成型时的温度为0.5〜80质量％的润滑剂的润滑剂进行电荷粘附的模具中，并且具有熔点低于压制成型的温度，然后在规定温度下进行成型为成型体，或者进一步烧结成型体。版权所有（C）2010，JPO＆INPIT

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