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21. 发明专利

JP2010229516A Powder forging having excellent fatigue strength, powdery mixture for powder forging and fracture split type connecting rod 有权
$Powder forging having excellent fatigue strength, powdery mixture for powder forging and fracture split type connecting rod$
标题翻译：粉末锻造具有优异的疲劳强度，用于粉末锻造和破碎分离类型连接棒的粉末混合物
公开(公告)号：JP2010229516A
公开(公告)日：2010-10-14
申请号：JP2009079660
申请日：2009-03-27
申请人： Honda Motor Co Ltd , Kobe Steel Ltd , 本田技研工業株式会社 , 株式会社神戸製鋼所
发明人： SATO MASAAKI , TAKADA MINORU , AKAGI NOBUAKI , KOGURE RYOSUKE , TAKADA KENTARO
IPC分类号： C22C33/02 , B21J5/00 , B21K1/14 , B22F3/16 , B22F5/00 , C22C38/00 , C22C38/16 , F16C7/02
摘要： PROBLEM TO BE SOLVED: To provide a powder forging which can obtain excellent fatigue properties satisfying a fatigue limit of ≥400N/mm
2 while securing sufficient machinability and toughness even without adding expensive elements; to provide a powder mixture which is used as the raw material of the powder forging; and to provide a fracture split type connecting rod which is produced using the powder forging.
SOLUTION: The powder forging has a true density ratio of ≥97% and has a componential composition containing, by mass, 0 to 0.45% C, 0.5 to 4% Cu and 0.1 to 0.7% P, and the balance iron with inevitable impurities, and in which the content of C, Cu and P satisfies the conditional expression of [Cu]+22[C]+28[P]>14, wherein [ ] represents the content (mass%) of each element.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使不添加昂贵的元素，也能够确保足够的机械加工性和韧性，从而能够获得满足疲劳极限≥400N/ mm 2 的优异的疲劳特性的粉末锻造。以提供用作粉末锻造原料的粉末混合物; 并提供使用该粉末锻造制造的断裂分裂型连杆。解决方案：粉末锻造具有≥97％的真实密度比，并且具有以质量计含有0至0.45％C，0.5至4％Cu和0.1至0.7％P的组成成分，余量为不可避免的杂质，其中C，Cu和P的含量满足[Cu] +22 [C] +28 [P]> 14的条件表达式，其中[]表示各元素的含量（质量％）。版权所有（C）2011，JPO＆INPIT

22. 发明专利

JP2009209410A Mixed powder for powder metallurgy, and iron powder sintered compact 有权
标题翻译：粉末冶金粉末冶金粉末冶金粉末冶金粉末冶金粉末冶金粉末冶金粉末冶金粉末冶金
公开(公告)号：JP2009209410A
公开(公告)日：2009-09-17
申请号：JP2008053725
申请日：2008-03-04
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TSUCHIDA TAKEHIRO , KUDO TAKAHIRO , SATO MASAAKI , FURUTA TOMOYUKI
IPC分类号： B22F1/00 , C22C33/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide mixed powder for powder metallurgy which solves the conventional problems, and can obtain an iron powder sintered compact having excellent strength and toughness, and to provide the iron powder sintered compact. SOLUTION: Disclosed is mixed powder for powder metallurgy obtained by mixing mother powder composed of prealloy type steel powder and powder for alloying. The mother powder is composed of iron powder comprising W and/or V by 0.05 to 1.0 mass% in total, and the balance inevitable impurities, and, in the powder for alloying, regarding the blending mass% in the total mixed powder together with the mother powder, graphite is 0.4 to 1.5 mass%, and Cu powder and/or Ni powder is 1.0 to 8.0 mass% in total. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供解决常规问题的粉末冶金用混合粉末，并且可以获得具有优异的强度和韧性的铁粉末烧结体，并提供铁粉末烧结体。解决方案：公开了通过混合由预合金型钢粉末组成的母体粉末和用于合金化的粉末而获得的粉末冶金用混合粉末。母粉由W和/或V的总和0.05〜1.0质量％的铁粉构成，余量为不可避免的杂质，在合金化用粉末中，关于总混合粉末的配合质量％母粉，石墨为0.4〜1.5质量％，Cu粉末和/或Ni粉末为1.0〜8.0质量％。版权所有（C）2009，JPO＆INPIT

23. 发明专利

JP2009013458A Method for compacting large-sized high density green compact 有权
标题翻译：用于压缩大尺寸高密度绿色压缩的方法
公开(公告)号：JP2009013458A
公开(公告)日：2009-01-22
申请号：JP2007175471
申请日：2007-07-03
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MITANI HIROYUKI , HOJO TAKAFUMI , SATO MASAAKI
IPC分类号： B22F3/035 , B30B11/00 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a method for compacting a large-sized high density green compact where, upon the compacting of a large-sized high density green compact by a die lubrication compacting process, a sound green compact free from galling and dents caused by the entanglement of a lubricant can be obtained.
SOLUTION: Regarding the method for compacting a large-sized high density green compact having a density of ≥7.60 g/cm
3 by a die lubrication compacting process or a warm die lubrication compacting process in a state where a die having a cavity with a depth of ≥9 cm and a volume of ≥700 cm
3 is used, and raw material powder is packed into the cavity, the upper half part of the inner wall face of the die is coated with a lubricant in an amount satisfying the range of 3 to 6 mg/cm
2 per unit area, and further, the lower half part is coated with a lubricant in an amount satisfying the range of 0.05 to 0.1 mg/cm
2 per unit area.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题的方案：提供一种压缩大型高密度生坯的方法，其中，通过模具润滑压实方法在大型高密度生坯压实时，不产生磨损的声音绿色压实并且可以获得由润滑剂的缠结引起的凹痕。解决方案：关于通过模具润滑压实工艺或温度模具润滑压实方法压实密度为≥7.60g/ cm 3以上的大型高密度生坯的方法使用具有深度≥9cm的空腔和≥700cm3的体积的模具，将原料粉末包装到空腔中，内壁的上半部分以每单位面积3〜6mg / cm 2·SP 2的范围内的润滑剂涂覆模具面，另外，下半部分涂布润滑剂，其量满足每单位面积的0.05〜0.1mg / cm 2的范围。版权所有（C）2009，JPO＆INPIT

24. 发明专利

JP2003171741A IRON BASED POWDER FOR WARM COMPACTING, AND WARM COMPACTING METHOD 审中-公开
公开(公告)号：JP2003171741A
公开(公告)日：2003-06-20
申请号：JP2001375742
申请日：2001-12-10
申请人： KOBE STEEL LTD
发明人： MITANI HIROYUKI , SATO MASAAKI , SAWAYAMA TETSUYA , HOJO TAKAFUMI
IPC分类号： B22F3/02 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide iron based powder for powder metallurgy by which the defect of the conventional raw material powder for powder metallurgy that the increase of the density of a green compact in warm compacting is insufficient is improved, the strength of a final sintered compact obtained by sintering for the green compact is increased, and a product having more excellent mechanical strengths can be produced, and to provide a compacting method therefor. SOLUTION: The iron based powder consists of iron powder, alloy steel powder or the like, and is used as the main raw material for powder metallurgy. The iron based powder contains the components of, by mass, ≤0.02% C, ≤0.10% Si, ≤0.30% Mn, ≤0.02% P, and ≤0.20% O, and the concentration of solid solution nitrogen is controlled in ≤10 ppm by mass. Further, the iron based powder is subjected to warm compacting at any temperature in the range of 80 to 250°C. COPYRIGHT: (C)2003,JPO

25. 发明专利

JP2000144208A COMPRESSION MOLDING METHOD OF POWDER FOR POWDER METALLURGY 失效
公开(公告)号：JP2000144208A
公开(公告)日：2000-05-26
申请号：JP31503098
申请日：1998-11-05
申请人： KOBE STEEL LTD
发明人： TSUCHIDA TAKEHIRO , KAKO HIROSHI , SEKI YOSHIKAZU , SATO MASAAKI , AKAGI NOBUAKI , SAWAYAMA TETSUYA
IPC分类号： B22F3/02 , B22F3/035 , B22F3/093
摘要： PROBLEM TO BE SOLVED: To provide a method which is capable of efficiently increasing the density of a formed body, and further improving the mechanism characteristic and the magnetic characteristic of a final formed body in compressing powders for powder metallurgy such as iron powders and iron-based powders. SOLUTION: In compressing powders for powder metallurgy using a forming die, the forming pressure is set to >=5 tons/cm2, the vibration is applied to the forming die, and the amplitude without pressure is set to 0.002 to 0.10 mm. The amplitude with pressure of 5 tons/cm2 is set to >=20% of the amplitude without pressure. Compression forming is achieved by filling powders for powder metallurgy including

26. 发明专利

JP2000144206A COMPRESSION MOLDING METHOD OF POWDER FOR POWDER METALLURGY 失效
公开(公告)号：JP2000144206A
公开(公告)日：2000-05-26
申请号：JP31503198
申请日：1998-11-05
申请人： KOBE STEEL LTD
发明人： TSUCHIDA TAKEHIRO , KAKO HIROSHI , SEKI YOSHIKAZU , SATO MASAAKI , AKAGI NOBUAKI , SAWAYAMA TETSUYA
IPC分类号： B22F3/02 , B22F3/035
摘要： PROBLEM TO BE SOLVED: To surely obtain a compression molded body of high density by filling a powder for powder metallurgy with a lubricant blended therein in a forming die to an inner wall surface the lubricant is applied, and setting the forming temperature in the compression molding to be not lower than the melting point of the lubricant blended in the powder. SOLUTION: In compression molding a powder for powder metallurgy such as iron powder and iron-based alloy powder, the forming temperature is controlled to >= Tm, more preferably, >= Tm and

27. 发明专利

JPH07113121B2 失效
公开(公告)号：JPH07113121B2
公开(公告)日：1995-12-06
申请号：JP17970987
申请日：1987-07-17
申请人： KOBE STEEL LTD
发明人： SATO MASAAKI , IGAI YOSHIHIRO , SAKUMA HITOSHI
IPC分类号： B22F1/00 , B22F9/08

28. 发明专利

JPH07138694A PRODUCTION OF LOW ALLOY STEEL POWDER FOR POWDER METALLURGY AND FERROUS SINTERED PARTS WITH HIGH DIMENSIONAL ACCURACY 失效
公开(公告)号：JPH07138694A
公开(公告)日：1995-05-30
申请号：JP28523593
申请日：1993-11-15
申请人： KOBE STEEL LTD , HITACHI POWDERED METALS
发明人： YOSHIDA MASANORI , SAKUMA HITOSHI , SATO MASAAKI , ISHII HIROSHI , TSUTSUI TADAYUKI
IPC分类号： C22C33/02 , C22C38/00 , C22C38/48
摘要： PURPOSE:To obtain a low alloy steel powder for powder metallurgy, capable of producing a sintered compact of high dimensional accuracy, by allowing an Nb oxide of specific grain size to exist at least on the surface of a powder having a specific composition consisting of Nb, Ni, Cr, Mo, and iron. CONSTITUTION:An Nb oxide of

29. 发明专利

JPS642161B2 失效
公开(公告)号：JPS642161B2
公开(公告)日：1989-01-13
申请号：JP17120082
申请日：1982-09-30
申请人： KOBE STEEL LTD
发明人： YAMAGAMI TOORU , SAKUMA HITOSHI , SATO MASAAKI , SHIMODA MASAHIRO , YOROZUDO HIROMUNE
IPC分类号： B22F1/00 , B22F9/08 , C22C33/02

30. 发明专利

JPS63297502A HIGH-STRENGTH ALLOY STEEL POWDER FOR POWDER METALLURGY AND ITS PRODUCTION 失效
公开(公告)号：JPS63297502A
公开(公告)日：1988-12-05
申请号：JP13693487
申请日：1987-05-29
申请人： KOBE STEEL LTD
发明人： SAKUMA HITOSHI , IGAI YOSHIHIRO , HAYAMI TAKEHIKO , SATO MASAAKI , NIIMURA TETSUSABURO
IPC分类号： B22F1/00 , B22F5/00 , C22C38/00 , C22C38/04
摘要： PURPOSE:To produce alloy steel powder for powder metallurgy having high compressibility and high strength by subjecting powder of pure iron and alloy powder having a specific compsn. to wet mixing in an org. solvent and subjecting this powder mixture to reduction annealing in a reducing atmosphere thereby diffusing and adhering the alloy powder to the pure iron powder. CONSTITUTION:Fine powder of >=2 kinds among Ni, Cu and Mo and having

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