专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2007126695A Alloy steel for powder metallurgy 审中-公开
标题翻译：合金钢用于粉末冶金
公开(公告)号：JP2007126695A
公开(公告)日：2007-05-24
申请号：JP2005319198
申请日：2005-11-02
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UNAMI SHIGERU , OZAKI YUKIKO
IPC分类号： B22F1/00 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide alloy steel powder for powder metallurgy whose facial pressure fatigue strength can be increased even by sintering at relatively low temperature while highly maintaining the density of a sintered compact (i.e., the compressibility of the alloy steel powder).
SOLUTION: The alloy steel powder for powder metallurgy is obtained by being stuck with powder comprising iron based powder in which, by mass, 0.2 to
摘要翻译：要解决的问题：为了提供粉末冶金的合金钢粉末，即使在相对低的温度下烧结也能够提高其面部压力疲劳强度，同时高度保持烧结体的密度（即，合金钢粉末的压缩性）。＆lt; P＆gt;解决方案：粉末冶金用合金钢粉末是通过将含有铁基粉末的粉末粘合而得到的，其中以质量计0.2〜2.0％的Mo被预合金化。铁基粉末在表层部分具有合金元素Y的高浓度部分，合金元素的高浓度部分的浓度满足≥2％的Mo，并且还有一种或多种选择质量≥1％的Al，≥2％Si，≥0.5％P，≥0.5％Ti，≥2％V，≥13％Cr，≥7％Zn，≥2％Sn和≥5％W 。版权所有（C）2007，JPO＆INPIT

2. 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

3. 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

4. 发明专利

JP2005179185A Magnetite-iron composite powder, production method therefor and wave absorber 有权
标题翻译：磁铁复合粉，其制造方法及波浪吸收器
公开(公告)号：JP2005179185A
公开(公告)日：2005-07-07
申请号：JP2004376199
申请日：2004-12-27
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , UENOSONO SATOSHI , NAKAMARU HIROKI , NAKAMURA YUKIKO , TAKAGI SHIGEAKI , UNAMI SHIGERU , SAITO SHINGO
IPC分类号： B09C1/02 , B09C1/08 , B22F1/00 , B22F1/02 , B22F9/22 , C01G49/06 , C01G49/08 , C02F1/70 , H01F1/33
摘要： PROBLEM TO BE SOLVED: To provide fine composite iron powder suitable for use in a method of rapidly decomposing an organic halogen compound; composite magnetic iron powder which exhibits its function in a high frequency zone and is free from oxidation and heat generation even in the air; a production method therefor; and a wave absorber using the same.
SOLUTION: The magnetite-iron composite powder contains magnetite and has an average primary grain size of 0.01-10 μm, wherein the intensity ratio of X-ray diffraction of the magnetite to α-Fe is preferably 0.001-50, and the magnetite-iron composite powder preferably contains nickel. In the production method for the iron composite powder, when hematite powder having an average primary grain size of 0.01-10 μm is heated and reduced in a reducing gas, the reduction of the hematite powder is suspended and magnetite is incorporated into the powder. The iron composite powder is mixed with rubber and/or resin and molded.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供适合用于快速分解有机卤素化合物的方法的精细复合铁粉末; 复合磁铁粉末，其在高频区表现出其功能，即使在空气中也不发生氧化和发热; 一种生产方法; 和使用其的波吸收体。磁铁矿铁复合粉末含有磁铁矿，平均一次粒径为0.01〜10μm，磁铁矿与α-Fe的X射线衍射强度比优选为0.001-50，磁铁矿铁复合粉末优选含有镍。在铁复合粉末的制造方法中，当平均一次粒径为0.01〜10μm的赤铁矿粉末在还原气体中被加热还原时，悬浮赤铁矿粉末的还原，并将磁铁矿掺入粉末中。将铁复合粉末与橡胶和/或树脂混合并成型。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004218041A Sintered member, and production method therefor 审中-公开
公开(公告)号：JP2004218041A
公开(公告)日：2004-08-05
申请号：JP2003009483
申请日：2003-01-17
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Nissan Motor Co Ltd , 日産自動車株式会社
发明人： UNAMI SHIGERU , UENOSONO SATOSHI , MABUCHI YUTAKA , FUJIKI AKIRA , MAEKAWA YUKIHIRO , MURATA TAKASHI
IPC分类号： B22F3/10 , B22F1/00 , B22F3/02 , B22F3/24 , C22C33/02
CPC分类号： B22F1/007 , B22F1/0059 , B22F2003/023 , B22F2003/026 , B22F2998/00 , C22C33/02 , B22F1/0096 , B22F5/08 , C22C33/0228
摘要： PROBLEM TO BE SOLVED: To provide a sintered member which has excellent fatigue strength and wear resistance, and is suitably used, e.g., for a sprocket for a silent chain, and a connecting rod and a piston pin for an internal combustion engine, and to provide a production method by which the sintered member can inexpensively be produced.
SOLUTION: A powdery mixture comprising metal powder with a particle diameter of ≤75 μm, desirably, metal powder obtained by granulating the metal powder so as to be a secondary particle diameter of ≤180 μm, 0.1 to 1.0 mass% graphite powder and a 0.05 to 0.80 mass% lubricant for forming is subjected to compression forming desirably at ≥100°C, and is thereafter sintered desirably at a high temperature of ≥1,180°C.
COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2003253406A HIGHLY WEAR-RESISTANT AND HIGH STRENGTH SINTERED PARTS, AND PRODUCTION METHOD THEREOF 审中-公开
公开(公告)号：JP2003253406A
公开(公告)日：2003-09-10
申请号：JP2002056265
申请日：2002-03-01
申请人： JFE STEEL KK , NISSAN MOTOR
发明人： FUJIKI AKIRA , MAEKAWA YUKIHIRO , UENOSONO SATOSHI , UNAMI SHIGERU
IPC分类号： B22F3/035 , B22F3/24 , B22F7/06 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide sintered parts having high wear resistance and high strength, and to provide a production method thereof. SOLUTION: A cam lobe 10 consists of sintered parts formed by using an iron based powdery mixture containing iron based powder and graphite powder as the raw material, and performing compression molding, sintering and carburization. The cam lobe 10 is provided with an outside material 11 to form a surface layer and an inside material 12 located on the direction more inward than the outside material 11. Then, the content of graphite in the iron based powdery mixture forming the inside material is made higher than the content of graphite in the iron based powdery mixture forming the outside material, and the density of the outside material is increased while securing the content of carbon in the inside material. COPYRIGHT: (C)2003,JPO

7. 发明专利

JP2008169460A Iron-based powder mixture, and methods for producing compact of iron-based powder and sintered compact of iron-based powder 有权
标题翻译：基于铁的粉末混合物，以及用于生产基于铁的粉末和基于铁的粉末的烧结的方法
公开(公告)号：JP2008169460A
公开(公告)日：2008-07-24
申请号：JP2007035371
申请日：2007-02-15
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , UNAMI SHIGERU , ONO TOMOSHIGE , FUJINAGA MASASHI
IPC分类号： B22F1/00 , B22F3/02 , C22C33/02 , C22C38/00
CPC分类号： B22F1/0003 , B22F2998/10 , B22F2999/00 , C22C33/0264 , C22C38/08 , C22C38/12 , C22C38/16 , B22F3/02 , B22F3/10 , B22F1/0059 , B22F1/007
摘要： PROBLEM TO BE SOLVED: To provide an iron-based powder mixture for powder metallurgy, which does not exert an adverse effect on an atmosphere in a furnace when its compact is sintered, provides excellent compactibility even in a low-temperature region of lower than 100°C, and gives sufficient mechanical strength and superior machinability to an obtained sintered compact. SOLUTION: The iron-based powder mixture is produced by adding a fatty amide and at least one mineral selected from talc and steatite to an iron-based powder, as an additive. COPYRIGHT: (C)2008,JPO&INPIT
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，其在烧结时其不会对炉中的气氛产生不利影响，即使在低温区域低于100℃，并且对所获得的烧结体赋予足够的机械强度和优异的机械加工性。解决方案：铁基粉末混合物通过将脂肪酰胺和至少一种选自滑石和滑石的矿物添加到铁基粉末中作为添加剂而制备。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008127640A Iron-based powder for powder metallurgy 有权
标题翻译：基于铁粉的粉末冶金
公开(公告)号：JP2008127640A
公开(公告)日：2008-06-05
申请号：JP2006314924
申请日：2006-11-22
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , ONO TOMOSHIGE , UNAMI SHIGERU
IPC分类号： B22F1/00 , B22F1/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide an iron-based powder for powder metallurgy which has excellent fluidity, can be uniformly charged even to a thin cavity, and also can be molded with high withdrawal force.
SOLUTION: An oxide having a melting point of ≥1,300°C and also containing MgO is mixed by 0.01 pts.mass to 100 pts.mass of iron powder.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供流动性优异的粉末冶金用铁基粉末，甚至能够均匀地填充到薄的空腔，并且也可以以高的退出力成型。解决方案：熔点≥1300℃，也含有MgO的氧化物，以0.01质量份与100质量份的铁粉混合。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008069460A Iron-based powder mixture for powder metallurgy, and method for manufacturing the same 有权
标题翻译：用于粉末冶金的基于铁的粉末混合物及其制造方法
公开(公告)号：JP2008069460A
公开(公告)日：2008-03-27
申请号：JP2007303206
申请日：2007-11-22
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 an iron-based powder mixture for powder metallurgy with no segregation of components and excellent flowability and compressibility. SOLUTION: While mixing iron-based powder and auxiliary material powder for powder metallurgy in which the surfaces of the grains are coated with an organic binder of 5 to 50 mass%, at least a part of the organic binder is melted or softened, and thereafter, cooling is performed. COPYRIGHT: (C)2008,JPO&INPIT

10. 发明专利

JP2007169736A Alloy steel powder for powder metallurgy 审中-公开
标题翻译：用于粉末冶金的合金钢粉
公开(公告)号：JP2007169736A
公开(公告)日：2007-07-05
申请号：JP2005370236
申请日：2005-12-22
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UNAMI SHIGERU , OZAKI YUKIKO
IPC分类号： B22F1/00 , C22C38/00 , C22C38/34
摘要： PROBLEM TO BE SOLVED: To provide alloy steel powder for powder metallurgy whose strength can be increased even in relatively low temperature sintering while highly maintaining the density of a sintered compact (i.e., the compressibility of the alloy steel powder). SOLUTION: The alloy steel powder for powder metallurgy is obtained by sticking Mo-containing powders to the surface of iron based powders comprising an alloy element(s) X as prealloy. The alloy element(s) X is one or more kinds selected from Al, Si, P, Ti, V, Cr, Zn, Sn and W, and the concentration of the alloy element(s) X comprised in the iron based powder satisfies the range of, by mass, 0.05 to 0.6% Al, 0.1 to 1.5% Si, 0.05 to 0.3% P, 0.05 to 0.4% Ti, 0.05 to 1.0% V, 0.2 to 10% Cr, 0.1 to 5% Zn, 0.1 to 1.5% Sn and 0.1 to 5% W. A high concentration part satisfying ≥2% Mo is present at the surface layer part of the iron based powder, and the average content of Mo satisfies the range of 0.1 to 0.8%. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供粉末冶金用合金钢粉末，即使在相对低温烧结的同时也可以提高其强度，同时高度保持烧结体的密度（即合金钢粉末的压缩性）。解决方案：用于粉末冶金的合金钢粉末是通过将含Mo粉末粘附到包含合金元素X作为预合金的铁基粉末的表面上而获得的。合金元素X是选自Al，Si，P，Ti，V，Cr，Zn，Sn和W中的一种或多种，并且铁基粉末中包含的合金元素X的浓度满足以质量计0.05〜0.6％的Al，0.1〜1.5％的Si，0.05〜0.3％的P，0.05〜0.4％的Ti，0.05〜1.0％的V，0.2〜10％的Cr，0.1〜5％的Zn，0.1 至1.5％Sn和0.1〜5％W.在铁基粉末的表层部分存在满足≥2％Mo的高浓度部分，Mo的平均含量满足0.1〜0.8％的范围。版权所有（C）2007，JPO＆INPIT

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