专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明专利

JP2004232079A Auxiliary material powder for powder metallurgy, iron based powdery mixture for powder metallurgy, and production method therefor 审中-公开
公开(公告)号：JP2004232079A
公开(公告)日：2004-08-19
申请号：JP2003143785
申请日：2003-05-21
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , UENOSONO SATOSHI , UNAMI SHIGERU , ONO TOMOSHIGE
IPC分类号： B22F1/02 , B22F1/00 , B22F3/02 , C22C33/02
CPC分类号： B22F1/0062 , B22F1/0059 , B22F1/0077 , B22F1/0096 , B22F2003/023 , B22F2998/00 , B22F2999/00 , C22C33/0207 , Y10T428/12049 , Y10T428/12181 , Y10T428/2998 , B22F1/02
摘要： PROBLEM TO BE SOLVED: To provide auxiliary material powder for powder metallurgy which has no componential segregation and is excellent in fluidity and compressibility, and to provide an iron based powdery mixture for powder metallurgy obtained by mixing the auxiliary material for powder metallurgy and iron based powder. SOLUTION: The surface of auxiliary material powder for powder metallurgy is coated with an organic binder, and the auxiliary material powder is stuck to the surface of the iron based powder via the organic binder. COPYRIGHT: (C)2004,JPO&NCIPI

22. 发明专利

JP2004115925A Method for producing iron based powdery mixture for powder metallurgy having excellent fluidity and stable apparent density 有权
公开(公告)号：JP2004115925A
公开(公告)日：2004-04-15
申请号：JP2004016584
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 a method of producing 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 in fluidity with the lapse of time is reduced, and the variation of apparent density is extremely little. SOLUTION: Fatty acid which is liquid at an ordinary temperature is added to iron based powder, and primary mixing is performed. Powder for an alloy and metallic soap are added thereto, and secondary mixing is performed. The temperature is raised in the process of the secondary mixing or after the secondary mixing to produce a co-melt of the fatty acid and the metallic soap. Next, cooling is performed while conducting third mixing, and the co-melt is cooled to solidify. The powder for an alloy is stuck to the surfaces of the iron based powder particles by the bonding force of the co-melt. Metallic soap or wax, and an antistatic agent of 0.01 to 0.1 wt.% are added at the cooling, and fourth mixing is performed. COPYRIGHT: (C)2004,JPO

23. 发明专利

JP2003313624A Method for manufacturing iron-base sintered compact 有权
标题翻译：制造铁基烧结方法
公开(公告)号：JP2003313624A
公开(公告)日：2003-11-06
申请号：JP2003042551
申请日：2003-02-20
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAKAMURA NAOMICHI , UENOSONO SATOSHI , UNAMI SHIGERU , FUJINAGA MASASHI
IPC分类号： C22C33/02 , B22F1/00 , B22F3/16 , C22C38/00 , C22C38/46
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an iron-base sintered compact having high strength, high density, and little dispersion of characteristics.
SOLUTION: This manufacturing method comprises preliminarily compression- molding an iron-base mixed powder which contains an iron-base powder and a graphite powder, and has an adhering rate C defined by the expression: the adhering rate C (%)={[CA]/[C
total ]}×100, in an amount of 65% or higher, into a preform; then temporarily sintering the preform into a material to be molded; subsequently recompression-molding the material into a recompressed compact; and resintering and/or heat-treating it.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种具有高强度，高密度和小的特性分散性的铁基烧结体的制造方法。解决方案：该制造方法包括对含有铁基粉末和石墨粉末的铁基混合粉末进行预先压缩成型，并且具有由以下表达式定义的附着率C：粘附率C（％）= ä[CA] / [C 总计]}×100，为65％以上; 然后将预成型坯临时烧结成待模塑的材料; 随后将材料重新压缩成型为再压缩成型体; 并进行树脂化和/或热处理。版权所有（C）2004，JPO

24. 发明专利

JP2007197814A Method for producing high-density iron-based compact and high-strength high-density iron-based sintered body 有权
标题翻译：生产高密度铁基复合材料和高强度高密度铁基烧结体的方法
公开(公告)号：JP2007197814A
公开(公告)日：2007-08-09
申请号：JP2006193005
申请日：2006-07-13
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UENOSONO SATOSHI
IPC分类号： B22F3/10 , B22F3/17 , B22F3/24 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To stably obtain an iron-based compact having high density and an iron-based sintered body having high strength and high density.
SOLUTION: An iron-based mixed powder for this iron-based compact includes an iron-based metallic powder and a graphite powder or further a lubricant mixed therewith. A not-yet-compacted material of the iron-based powder is prepared by pre-sintering the mixed powder at a temperature higher than 1,000°C but 1,300°C or lower in a non-oxidative atmosphere having a nitrogen partial pressure of 30 kPa or lower; then acquires a composition comprising 0.10-0.50 mass% C, 0.3 mass% or less O, 0.010 mass% or less N, and the balance Fe with unavoidable impurities; and has a density of 7.2 Mg/m
3 or higher. The method for producing the compact includes rapidly compacting the not-yet-compacted material under a condition of a compacting energy density of 1.4 MJ/m
2 or higher.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了稳定地获得高密度的铁基压块和具有高强度和高密度的铁基烧结体。解决方案：用于这种铁基压块的铁基混合粉末包括铁基金属粉末和石墨粉末或与其混合的润滑剂。通过在氮分压为30kPa的非氧化性气氛中，在高于1000℃至1300℃或更低的温度下预混合该混合粉末来制备铁基粉末的尚未压实的材料或更低; 然后获得包含0.10-0.50质量％C，0.3质量％或更少的O，0.010质量％或更少的N，余量的Fe与不可避免的杂质; 并且具有7.2Mg / m 3 / SP以上的密度。制造压块的方法包括在压实能量密度为1.4MJ / m 2 / SP以上的条件下快速压实尚未压实的材料。版权所有（C）2007，JPO＆INPIT

25. 发明专利

JP2007194273A Dust core and soft magnetic metal powder therefor 审中-公开
标题翻译：粉尘和软磁性金属粉末
公开(公告)号：JP2007194273A
公开(公告)日：2007-08-02
申请号：JP2006008865
申请日：2006-01-17
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UEDA MASATERU , UENOSONO SATOSHI , MAETANI TOSHIO
IPC分类号： H01F1/24 , B22F1/00 , B22F1/02 , B22F3/00 , H01F1/26 , H01F1/33
摘要： PROBLEM TO BE SOLVED: To provide soft magnetic metal powder which is superior in compressibility and has high insulation.
SOLUTION: A surface of atomized pure iron powder or atomized alloy powder having an oxide layer on a surface is covered with an insulating substance layer. The oxide layer and the insulating substance layer are integrated with solid phase reaction by coupling reinforcement treatment, and a metallic compound monolayer is obtained.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供压缩性优异且绝缘性高的软磁性金属粉末。解决方案：表面上具有氧化物层的雾化纯铁粉末或雾化合金粉末的表面被绝缘物质层覆盖。氧化物层和绝缘物质层通过耦合增强处理与固相反应结合，得到金属化合物单层。版权所有（C）2007，JPO＆INPIT

26. 发明专利

JP2007169713A Iron-based powdery mixture for powder metallurgy 有权
标题翻译：用于粉末冶金的基于铁的粉末混合物
公开(公告)号：JP2007169713A
公开(公告)日：2007-07-05
申请号：JP2005368835
申请日：2005-12-21
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , UENOSONO SATOSHI , SUGIHARA YUTAKA
IPC分类号： B22F1/00 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide an iron-based powdery mixture with which machinability of a sintered compact can be improved without bringing about deterioration in its mechanical properties. SOLUTION: The iron-based powdery mixture is obtained by mixing iron-based powder with powder for alloy, powder for improving machinability and further, a lubricant. As the powder for improving machinability, manganese sulfide powder with the average particle diameter of 1 to 60 μm and/or calcium fluoride powder with the average particle diameter of 1 to 60 μm is used. The powder for improving machinability is comprised by 0.1 to 1.5 mass% to the total content of the iron-based powder, the powder for alloy and the powder for improving machinability. Further, the powder for improving machinability has a grain size distribution similar to the grain size distribution of holes in an iron-based sintered compact obtained by subjecting an iron-based powdery mixture mixed with iron-based powder, powder for alloy and a lubricant to pressure-compacting and sintering. In this way, the holes in the sintered compact can be reduced, intermittent impact to a tool is reduced, and the service life of the tool is prolonged. Further, a part or the whole of the iron-base powder can be used as the iron-based powder applying a segregation-preventive treatment, in which the powder for alloy and/or the powder for improving the machinability, are stuck on the surface with a binder. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种铁基粉末混合物，其可以改善烧结体的机械加工性，而不会导致其机械性能的劣化。解决方案：铁基粉末混合物通过将铁基粉末与合金粉末，用于提高机械加工性的粉末以及润滑剂混合而获得。作为提高机械加工性的粉末，使用平均粒径为1〜60μm的硫化锰粉末和/或平均粒径为1〜60μm的氟化钙粉末。用于提高机械加工性的粉末相对于铁基粉末，合金粉末和提高机械加工性的粉末的总含量为0.1〜1.5质量％。此外，用于提高机械加工性的粉末的粒度分布与通过将与铁基粉末，合金粉末和润滑剂混合的铁基粉末混合物获得的铁基烧结体中的孔的粒度分布相似，压力压实和烧结。以这种方式，可以减少烧结体中的孔，减少对工具的间歇性冲击，延长工具的使用寿命。此外，铁基粉末的一部分或全部可以用作施加偏析防止处理的铁基粉末，其中用于合金和/或用于提高机械加工性的粉末的粉末粘附在表面上用粘合剂。版权所有（C）2007，JPO＆INPIT

27. 发明专利

JP2007138273A Method for producing high density iron-based compacted body and high strength and high density iron-based sintered body 有权
标题翻译：生产高密度铁基压实体和高强度和高密度铁基烧结体的方法
公开(公告)号：JP2007138273A
公开(公告)日：2007-06-07
申请号：JP2005337197
申请日：2005-11-22
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UENOSONO SATOSHI , NAKAMURA NAOMICHI
IPC分类号： C22C33/02 , B22F3/10 , B22F3/24 , C22C38/00 , C22C38/46
摘要： PROBLEM TO BE SOLVED: To provide a method for stably producing an iron-based compacted body having a high density and thus an iron-based sintered body having a high strength and a high density.
SOLUTION: The method comprises pre-compacting an iron-based mixed powder prepared from an iron-based metal powder and a graphite powder, or further, a lubricant, pre-sintering the resulting pre-compacted body at a temperature of higher than 1000°C and not higher than 1300°C in a nonoxidizing atmosphere under the partial pressure of nitrogen satisfying ≤30 kPa, to prepare an iron-based sintered preform having a composition containing 0.10 to 0.50 mass% of C, 0.3 mass% or less of O and 0.010 mass% or less of N, and the balance Fe with inevitable impurities and having a density of 7.2 Mg/m
3 or more, and then subjecting the preform for compacting high density iron-based powder to a high velocity compaction at a ram velocity of ≥2 m/s.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种稳定地制造高密度的铁基压实体的方法，从而提供具有高强度和高密度的铁基烧结体。解决方案：该方法包括预先压制由铁基金属粉末和石墨粉末制备的铁基混合粉末，或进一步地，在较高温度下预烧结所得预压实体的润滑剂在非氧化性气氛下，在满足≤30kPa的氮气的条件下，在1000℃以上1300℃以下，制备含有0.10〜0.50质量％的C，0.3质量％的组成的铁基烧结预成型体，或较小的O和0.010质量％以下的N，余量为Fe与不可避免的杂质，密度为7.2Mg / m 3以上，然后使该预成型件压实高密度铁 - 在高于2m / s的冲击速度下进行高速压实。版权所有（C）2007，JPO＆INPIT

28. 发明专利

JP2006037219A Method and apparatus for filling up metal powder 审中-公开
标题翻译：填充金属粉末的方法和装置
公开(公告)号：JP2006037219A
公开(公告)日：2006-02-09
申请号：JP2004334688
申请日：2004-11-18
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UENOSONO SATOSHI
IPC分类号： B22F3/035 , B30B11/00
CPC分类号： B30B15/304
摘要： PROBLEM TO BE SOLVED: To provide a method for filling up powder with which the filling density becomes uniform, regarding a method and apparatus for uniformly filling up metal powder into a cavity in a die, for example, raw material mixed powder used for powder metallurgy.
SOLUTION: When the metal powder is supplied into the cavity in a die from a supplying hole in a powder box 8, faced to an opening hole by advancing/retreating the powder box 8 holding the metal powder 4 to the opening hole part 3a of the cavity in the die, the powder box is stopped under state of matching the supplying hole in the powder box with the opening hole part of the cavity in the die, and the supply of the metal powder is performed by changing a shutter mechanism 9 composed of two pieces of screen plates relatively moved into the opening-state.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供填充密度均匀的粉末的方法，关于将金属粉末均匀地填充到模具的空腔中的方法和装置，例如使用的原料混合粉末用于粉末冶金。解决方案：当金属粉末从粉盒8中的供给孔的模具中的空腔中供给时，通过使保持金属粉末4的粉盒8前进/后退到开孔部而面向开口孔如图3a所示，粉盒在粉盒中的供给孔与模具中的空腔的开孔部匹配的状态下停止，并且通过改变快门机构来进行金属粉末的供给 9组成的两块屏板相对移动到开启状态。版权所有（C）2006，JPO＆NCIPI

29. 发明专利

JP2005307348A Iron-based powder mixture for powder metallurgy 审中-公开
标题翻译：用于粉末冶金的基于铁的粉末混合物
公开(公告)号：JP2005307348A
公开(公告)日：2005-11-04
申请号：JP2005079648
申请日：2005-03-18
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： B22F3/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide an iron-based powder mixture for powder metallurgy that excels in fluidity as powder, giving a green compact whose withdrawal from a metal mold is easier than in the prior art, the obtained green compact having a density stabilized and enhanced as compared with that of the prior art.
SOLUTION: The iron-based powder mixture for powder metallurgy can be produced by a process comprising adding a free lubricant to an iron-based powder and mixing them, wherein the free lubricant has a particle diameter of ≤200 μm and a crush strength, as measured with respect to particles of average diameter, of 0.2 to 2 MPa and wherein the free lubricant is contained in an amount of 0.1 to 1 mass pts. per 100 mass pts. of iron-based powder. At this time, as the free lubricant, the one obtained by being subjected to granulation by fusion spraying is preferably used.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供粉末冶金的铁基粉末混合物，其作为粉末具有优异的流动性，给出了与现有技术相比更容易从金属模具中取出的生坯，其获得的生坯具有密度与现有技术相比稳定和增强。解决方案：用于粉末冶金的铁基粉末混合物可以通过包括向铁基粉末中添加游离润滑剂并混合它们的方法制备，其中游离润滑剂的粒径为≤200μm，粉碎相对于平均直径的颗粒测量的强度为0.2至2MPa，其中游离润滑剂的含量为0.1至1质量％。每100个质量点的铁基粉末。此时，作为游离润滑剂，优选使用通过熔喷进行造粒而得到的润滑剂。版权所有（C）2006，JPO＆NCIPI

30. 发明专利

JP2005232595A Iron based powdery mixture for high strength sintered component 有权
标题翻译：用于高强度烧结组件的基于铁的粉末混合物
公开(公告)号：JP2005232595A
公开(公告)日：2005-09-02
申请号：JP2005010151
申请日：2005-01-18
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UNAMI SHIGERU , UENOSONO SATOSHI , ONO TOMOSHIGE , OZAKI YUKIKO
IPC分类号： B22F1/00 , B22F1/02 , C22C33/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide an iron based powdery mixture in which sintering is promoted even at relatively low sintering temperatures, and with which a sintered component having high strength can be obtained as well even if heat treatment after the sintering is obviated.
SOLUTION: The iron based powdery mixture is obtained by mixing a 0.05 to 0.6 pts. mass free lubricant to 100 pts.mass iron based powder in which Ni powder, Cu powder and graphite powder are stuck to the surface of alloy steel powder into which Ni and Mo are prealloyed with an organic binder. At least 20 mass% of the free lubricant is composed of secondary grains with a grain size of 10 to 200 μm granulated in such a manner that primary grains with a grain size of 0.10 to 80 μm is granulated. The prealloying ratios of Ni and Mo in the alloy steel powder is controlled to 0.5 to 3 mass% in Ni and >0.7 to 4 mass% in Mo. Further, the blending ratios of the Ni powder, Cu powder and graphite powder in the iron based powder are controlled to 0.5 to 5 mass% in the Ni powder, 0.5 to 3 mass% in the Cu powder, and 0.2 to 1.0 mass% in the graphite powder.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供即使在相对低的烧结温度下也促进烧结的铁基粉末混合物，并且即使在烧结后的热处理被消除也可以获得具有高强度的烧结组分。解决方案：铁基粉末混合物通过混合0.05至0.6份得到。将质量不足的润滑剂加入到100质量％的铁基粉末中，其中Ni粉末，Cu粉末和石墨粉末粘附在Ni和Mo与有机粘合剂预合金的合金钢粉末的表面上。至少20质量％的游离润滑剂由粒径为10〜200μm的二次粒子构成，粒径为0.10〜80μm的一次粒子成粒。合金钢粉末中Ni和Mo的预合金比在Ni中为0.5〜3质量％，Mo为0.7〜4质量％。此外，Ni粉末，Cu粉末和石墨粉末在铁中的配合比例 Ni粉末中的粉末为0.5〜5质量％，Cu粉末为0.5〜3质量％，石墨粉末为0.2〜1.0质量％。版权所有（C）2005，JPO＆NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式