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1. 发明专利

JP2005068452A Iron based sintered alloy, and its production method 有权
标题翻译：基于铁的烧结合金及其生产方法
公开(公告)号：JP2005068452A
公开(公告)日：2005-03-17
申请号：JP2003209217
申请日：2003-08-28
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Toyota Motor Corp , トヨタ自動車株式会社
发明人： OKAJIMA HIROSHI , UENOSONO SATOSHI
IPC分类号： C21D1/18 , C21D9/30 , C22C33/02 , C22C38/00
CPC分类号： C22C33/0264 , B22F2003/248 , B22F2998/10 , C21D1/18 , C21D9/30 , C22C33/02 , C22C38/22 , C22C38/24 , B22F1/0003 , B22F3/02 , B22F3/10 , B22F3/24
摘要： PROBLEM TO BE SOLVED: To provide an iron based sintered alloy excellent in shape precision, wear resistance and low hostility to a mating material, and further having sufficient hardness after tempering, and to provide its production method.
SOLUTION: Iron based alloy powder having a composition comprising, by mass, 1 to 3.5% Cr, 0.2 to 0.9% Mo and 0.1 to 0.5% V, and the balance Fe with impurities and carbon powder are mixed so that the occupancy ratio of the carbon powder to the whole lies within the range of 0.8 to 1.1%. The mixture is compacted. The compact is sintered. The temperature of the sintered compact is temporarily reduced, and then, it is heated once more and is quenched. Thus, the iron based sintered alloy in which fine M
7 C
3 carbides are dispersed into a martensitic structure can be obtained.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供形状精度，耐磨性和对配合物的敌对性优异的铁基烧结合金，并且在回火后还具有足够的硬度，并提供其制造方法。＆lt; P＆gt;解决方案：将具有1至3.5重量％的Cr，0.2至0.9摩尔％和0.1至0.5％V的余量的Fe与杂质和碳粉末组成的铁基合金粉末混合，以使其占有率碳粉与整体的比例在0.8〜1.1％的范围内。混合物被压实。压块被烧结。烧结体的温度暂时降低，然后再次加热淬火。因此，可以获得其中细小的碳化物碳化物分散在马氏体组织中的铁基烧结合金。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2008115472A 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：JP2008115472A
公开(公告)日：2008-05-22
申请号：JP2008008989
申请日：2008-01-18
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , ONO TOMOSHIGE , UENOSONO SATOSHI , MINEGISHI TOSHIYUKI , SONOBE AKIO
IPC分类号： B22F3/02 , C22C33/02
摘要： PROBLEM TO BE SOLVED: To provide an iron-based powdery mixture for powder metallurgy in which the segregation of the added and mixed various powders is reduced owing to the excellent fluidity thereof. SOLUTION: When iron-based powders whose surfaces are stuck with powders for alloying and/or powders for improving machinability by a binder composed of oleic acid and zinc stearate are mixed with zinc stearate powders having a specific surface area satisfying the range of 1.0 to 10 m 3 /g, an iron-based powder mixture for powder metallurgy in which the segregation of the added and mixed various powders is reduced owing to the excellent fluidity thereof can be obtained. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于粉末冶金的铁基粉末混合物，其中加入和混合的各种粉末的偏析由于其优异的流动性而降低。解决方案：当表面粘附有用于合金化的粉末的铁基粉末和/或通过由油酸和硬脂酸锌组成的粘合剂来提高机械加工性的粉末与具有满足下列范围的比表面积的比例的硬脂酸锌粉末混合时可以得到由于其优异的流动性而使添加的和混合的各种粉末的偏析减少的粉末冶金用铁基粉末混合物，即1.0〜10微米。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007211329A Iron-based powdery 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：JP2007211329A
公开(公告)日：2007-08-23
申请号：JP2006035384
申请日：2006-02-13
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OZAKI YUKIKO , UENOSONO SATOSHI
IPC分类号： B22F1/00 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide an iron-based powdery mixture for powder metallurgy with which the machinability can be improved without bringing about the deterioration of mechanical characteristic of a sintered material. SOLUTION: As iron-based powder, atomized iron powder having a composition comprising, by mass, 0.05 to 0.5% Mn and 0.04 to 0.2% S, or further comprising 0.01 to 0.1% Si, and the balance Fe with inevitable impurities and, preferably, having a structure where MnS particles with the average particle diameter of 1 to 10 μm are precipitated into a matrix, and, in which, among the MnS particles, the MnS particles of ≥5% in a number ratio to the whole number of the MnS particles comprise oxygen is used. The iron-based powder is mixed with powder for alloying and, as powder for improving machinability, calcium fluoride powder with the average particle diameter of 1 to 25 μm in 0.1 to 1.5% by mass% to the total content of the iron-based powder, the powder for alloying and the powder for improving machinability, or is further mixed with a binder and lubricant powder. Further, the powder for improving machinability preferably has a grain size distribution similar to the grain size distribution of vacancies in an iron-based sintered compact obtained by subjecting the iron-based powdery mixture composed by mixing the iron-based powder, the powder for alloying and the lubricant to compacting and sintering. In this way, its machinability is improved, and the service life of a tool is elongated. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于粉末冶金的铁基粉末混合物，其可以改善机械加工性，而不会导致烧结材料的机械特性的劣化。＆lt; P＆gt;解决方案：作为铁粉末，具有质量含有0.05〜0.5％Mn和0.04〜0.2％S，或进一步含有0.01〜0.1％Si，余量为Fe与不可避免的杂质的铁粉末并且优选具有将平均粒径为1〜10μm的MnS粒子析出为基体的结构，在MnS粒子中MnS粒子的数量比例为5％以上的MnS粒子使用包含氧的MnS颗粒数。将铁基粉末与用于合金化的粉末混合，作为提高机械加工性的粉末，平均粒径为1〜25μm的氟化钙粉末相对于铁基粉末的总量为0.1〜1.5质量％，用于合金化的粉末和用于提高机械加工性的粉末，或者进一步与粘合剂和润滑剂粉末混合。此外，用于提高机械加工性的粉末优选具有与通过将由铁基粉末混合而成的铁基粉末混合物，用于合金化的粉末进行混合而获得的铁基烧结体中的空隙的粒度分布相似的粒度分布和润滑剂进行压实和烧结。以这种方式，其可加工性得到改善，并且工具的使用寿命延长。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007211302A Finish heat treatment method for iron powder and finish heat treatment device 有权
标题翻译：铁粉末和热处理装置的完成热处理方法
公开(公告)号：JP2007211302A
公开(公告)日：2007-08-23
申请号：JP2006033295
申请日：2006-02-10
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SAKAGUCHI YASUHIKO , UENOSONO SATOSHI
IPC分类号： B22F1/00 , C21D9/00
摘要： PROBLEM TO BE SOLVED: To provide an advantageous finish heat treatment method for iron powder for improving production efficiency in the finish heat treatment stage of iron powder production, and to provide a finish heat treatment device used for the treatment.
SOLUTION: In the finish heat treatment method for iron powder where raw material iron powder dischargaed from a hopper for iron powder storage is preheated in the stage of the discharge, is thereafter continuously fed into a finish heat treatment furnace, and is subjected one or more treatments selected from deoxidizing, decarburizing and denitriding, a gas for heating is blown from the lower part of the hopper so as to preheat the raw material iron powder.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提高铁粉生产的最终热处理阶段的生产效率的铁粉的优良的精加工热处理方法，并提供用于处理的精加工热处理装置。解决方案：在用于铁粉储存用料斗排出的原料铁粉末在排出阶段进行预热的铁粉末的最终热处理方法中，连续供给到精加工热处理炉中，选自脱氧脱碳脱氮的一种或多种处理，从料斗的下部吹入加热用气体，以预热原料铁粉。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2007031841A Iron-based powder mixture for warm die lubricating compaction 有权
标题翻译：基于铁粉的粉末混合物用于温度控制润滑压力
公开(公告)号：JP2007031841A
公开(公告)日：2007-02-08
申请号：JP2006256560
申请日：2006-09-22
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UNAMI SHIGERU , OZAKI YUKIKO , UENOSONO SATOSHI
IPC分类号： B22F3/02 , B22F1/00 , C22C33/02 , C22C38/00 , C22C38/16 , C22C38/24
摘要： PROBLEM TO BE SOLVED: To provide an iron-based powder mixture for warm die lubricating compaction used for manufacturing a green compact of iron-based powder.
SOLUTION: An iron-based powder mixture containing an iron-base powder and a compaction lubricant in which a lubricant having a low melting point not higher than a prescribed compaction temperature comprises 10 to 75 mass% of the total amount of lubricant and the balance is composed of a lubricant having a melting point higher than the prescribed compaction temperature by 0.05 to 0.40 mass% is heated. A lubricant, which consists of lubricant having a melting point higher than the compaction temperature and the balance lubricant having a melting point lower than the compaction temperature, is allowed to adhere to the surface of a die by electrification. After the die is filled with the heated iron-based powder mixture, the powder mixture is compacted at prescribed temperature into a green compact. In this way, the high density green compact can be obtained by a single compaction. Further, the green compact may be sintered into a high density sintered compact.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于制造铁基粉末的生坯的用于热模头润滑压实的铁基粉末混合物。解决方案：含有铁基粉末和压实润滑剂的铁基粉末混合物，其中具有不高于规定压实温度的低熔点的润滑剂包括润滑剂总量的10至75质量％，以及余量由熔点高于规定的压实温度0.05〜0.40质量％的润滑剂组成。由熔点高于压实温度的润滑剂和具有低于压实温度的熔点的平衡润滑剂组成的润滑剂通过带电粘附到模具的表面。在加热的铁基粉末混合物填充模具后，将粉末混合物在规定温度下压实成生坯。以这种方式，可以通过单次压实获得高密度绿色压块。此外，生坯可以烧结成高密度烧结体。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005330583A Cu-Cr ALLOY AND Cu-Cr ALLOY PRODUCTION METHOD 有权
标题翻译： Cu-Cr合金和Cu-Cr合金生产方法
公开(公告)号：JP2005330583A
公开(公告)日：2005-12-02
申请号：JP2005119104
申请日：2005-04-15
申请人： Jfe Seimitsu Kk , Jfe Steel Kk , Jfeスチール株式会社 , Jfe精密株式会社
发明人： TERAO SEIMEI , KOHIKI HIDEAKI , UENOSONO SATOSHI
IPC分类号： C22F1/08 , B22F3/26 , C22C1/04 , C22C9/00 , C22C27/06 , C22F1/00 , C22F1/11 , H01L23/373
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive alloy material for heat radiation having a coefficient of thermal expansion similar to that of composite material, high thermal conductivity similar to that of pure copper, and also having excellent machinability, to provide a production method therefor, and further to provide a production method using a powder sintering process, in addition to the conventional dissolution process, by which alloy materials for heat radiation with various shapes can be supplied at a low production cost in order to meet particularly the need of various shapes as those of alloy materials for heat radiation.
SOLUTION: The Cu-Cr alloy comprises, by mass, 0.3 to 80% C, and the balance Cu with inevitable impurities, and has a structure where a granular Cr phase having a major axis of ≤100 nm and an aspect ratio of 2 .
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种廉价的热辐射合金材料，其热膨胀系数类似于复合材料的热膨胀系数，与纯铜相似的高热导率，并且还具有优异的机械加工性，以提供生产并且进一步提供使用粉末烧结工艺的生产方法，除了传统的溶解过程之外，可以以低的生产成本提供具有各种形状的用于散热的合金材料，以便特别地满足各种形状，如用于散热的合金材料。解决方案：Cu-Cr合金的质量含量为0.3〜80％，余量为不可避免的杂质，Cu具有长径为100nm以上的粒状Cr相和纵横比小于10的析出物以≥20个/μm 2 的密度析出为≥100nm的Cr相以外的Cu基质。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005187918A Insulating coated iron powder for powder compact magnetic core 审中-公开
标题翻译：用于粉末复合磁芯的绝缘涂层粉末
公开(公告)号：JP2005187918A
公开(公告)日：2005-07-14
申请号：JP2003433481
申请日：2003-12-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAKAMURA NAOMICHI , UENOSONO SATOSHI , MAETANI TOSHIO , UEDA MASATERU
IPC分类号： B22F1/02 , H01F1/24 , H01F1/33
摘要： PROBLEM TO BE SOLVED: To obtain coated iron powder for a powder compact magnetic core with which a powder compact magnetic core having low iron loss and high magnetic flux density can be obtained by increasing its compressive density.
SOLUTION: The insulating-coated iron powder for a powder compact magnetic core is obtained by forming an insulating layer on the surface of iron powder particles in which hardness is ≤75 by micro Vickers hardness Hv.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了获得具有低铁损和高磁通密度的粉末致密磁芯的粉末致密磁芯的涂层铁粉，可以通过增加其压缩密度来获得。解决方案：通过在硬度≤75的铁粉末颗粒的表面上通过微维氏硬度Hv形成绝缘层，获得粉末致密磁芯的绝缘包覆铁粉。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005187908A 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：JP2005187908A
公开(公告)日：2005-07-14
申请号：JP2003432767
申请日：2003-12-26
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： B22F1/00 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To obtain a high density compact having a density of ≥7.35 Mg/m
3 without heating an iron based powdery mixture, and only by controlling surface temperature to about ≤80°C regarding a die.
SOLUTION: In the iron based powdery mixture obtained by adding graphite powder and a lubricant to iron powder, as the iron powder, the one in which the hardness at the central part is ≤75 by micro Vickers hardness Hv is used.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：为了在不加热铁基粉末混合物的情况下获得密度≥7.35Mg/ m 3的高密度压块，并且仅通过将表面温度控制在约≤80° 关于一个死亡。解决方案：在铁粉中添加石墨粉末和润滑剂得到的铁基粉末混合物中，作为铁粉，使用微维氏硬度Hv使中心硬度≤75的那种。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2004331996A Sponge iron for reducing agent, its production method and its application 审中-公开
公开(公告)号：JP2004331996A
公开(公告)日：2004-11-25
申请号：JP2003124806
申请日：2003-04-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ONO TOMOSHIGE , UENOSONO SATOSHI , SONOBE AKIO , SUGIHARA YUTAKA , KOHIDA TOMOYUKI
IPC分类号： A62D3/37 , A62D101/22 , A62D101/24 , A62D101/28 , B09C1/02 , B09C1/08 , C02F1/70 , C07B35/06 , C07C21/10 , C21B13/04 , C22C38/00 , A62D3/00
摘要： PROBLEM TO BE SOLVED: To provide a sponge iron (reduced iron) which has excellent capacity of reducing organic haloid compounds and heavy metals being harmful environmental pollution materials to a human body and excellent durability and which is suitable as an environmental cleaning agent which utilizes this reducing action, and a method for producing the sponge iron which can simply produce such sponge iron at a low cost. SOLUTION: This sponge iron for a reducing agent contains 0.03 to 2 mass% sulfur. This sulfur-containing sponge iron can be produced by heating an iron source (iron oxide) at a temperature not higher than the melting point of the iron source and leaving the sulfur originating from the iron source and/or carbonaceous powder by the above content in the produced sponge iron. COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2004190051A Iron based powdery mixture for power metallurgy, and production method therefor 有权
公开(公告)号：JP2004190051A
公开(公告)日：2004-07-08
申请号：JP2002355702
申请日：2002-12-06
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： B22F3/02 , B22F1/02 , C22C33/02
摘要： PROBLEM TO BE SOLVED: To provide an iron based powdery mixture for powder metallurgy which has reduced componential segregation, and has excellent fluidity, compressibility and extractibility in the range form an ordinary temperature to a warm temperature.
SOLUTION: A mixed layer of graphite particles with a particle diameter of 0.01 to 10 μm and lubricant particles with a particle diameter of 0.01 to 10 μm is formed on the surfaces of iron based powder and auxiliary raw material powder.
COPYRIGHT: (C)2004,JPO&NCIPI

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