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1. 发明申请

US20100255332A1 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：US20100255332A1
公开(公告)日：2010-10-07
申请号：US12734775
申请日：2007-12-13
申请人： Tomoshige Ono , Shigeru Unami , Takashi Kawano , Yukiko Ozaki
发明人： Tomoshige Ono , Shigeru Unami , Takashi Kawano , Yukiko Ozaki
IPC分类号： B32B15/02 , B22F1/02
CPC分类号： B22F1/02 , B22F1/0077 , C22C33/02 , C22C33/0264 , Y10T428/12181
摘要： Flowability-improving particles are adhered to surfaces of iron powder through a binder to provide an iron-based powder for powder metallurgy which has excellent flowability and which is capable of uniformly filling a thin-walled cavity and compaction with high performance of ejection force.
摘要翻译：流动性改善颗粒通过粘合剂粘附在铁粉表面上，得到粉末冶金用铁基粉末，其具有优异的流动性，并且能够均匀地填充薄壁腔体，并且具有高性能的喷射力。

2. 发明授权

US5605559A Alloy steel powders, sintered bodies and method 失效
标题翻译：合金钢粉末，烧结体及方法
公开(公告)号：US5605559A
公开(公告)日：1997-02-25
申请号：US392120
申请日：1995-02-22
申请人： Shigeru Unami , Satoshi Uenosono
发明人： Shigeru Unami , Satoshi Uenosono
IPC分类号： C22C33/02 , C22C38/22 , C22C38/24 , C22C38/46
CPC分类号： C22C33/0264 , C22C33/02 , C22C38/22 , C22C38/24 , B22F2009/0824 , B22F2998/10 , B22F2999/00
摘要： Alloy steel powders capable of obtaining high strength in a sintered state and having excellent compacting compressibility and methods of manufacturing a sintered body. The alloy steel powder comprises, by wt %, about 0.5-2% of Cr, not greater than about 0.08% of Mn, about 0.1-0.6% of Mo, about 0.05-0.5% of V, not greater than about 0.015 of S, not greater than about 0.2% of O, and the balance being Fe and incidental impurities. The alloy steel powder is compacted and sintered at a temperature of about 1100.degree.-1300.degree. C. and then cooled at a cooling rate no higher than about 1.degree. C./s in a temperature range of from about 800.degree. C. to 400.degree. C. The alloy steel powder can contain Nb and/or Ti and one or more of Co, W and B. Additionally, Ni powder and/or Cu powder may be adhered and dispersed onto the surface of the alloy steel powder.
摘要翻译：能够在烧结状态下获得高强度并具有优异的压实压缩性的合金钢粉末和制造烧结体的方法。合金钢粉末以重量％计含有约0.5-2％的Cr，不大于约0.08％的Mn，约0.1-0.6％的Mo，约0.05-0.5％的V，不大于约0.015的S ，不大于约0.2％的O，余量为Fe和杂质。合金钢粉末在约1100〜-1300℃的温度下压实烧结，然后在约800℃至400℃的温度范围内以不高于约1℃/ s的冷却速率冷却 ℃。合金钢粉末可以含有Nb和/或Ti以及一种或多种Co，W和B.另外，Ni粉末和/或Cu粉末可以粘附并分散在合金钢粉末的表面上。

3. 发明授权

US08603212B2 Iron-based mixed powder for powder metallurgy 有权
标题翻译：铁粉混合粉末冶金
公开(公告)号：US08603212B2
公开(公告)日：2013-12-10
申请号：US13320391
申请日：2010-05-27
申请人： Takashi Kawano , Shigeru Unami , Tomoshige Ono , Yukiko Ozaki
发明人： Takashi Kawano , Shigeru Unami , Tomoshige Ono , Yukiko Ozaki
IPC分类号： B22F1/00
CPC分类号： C22C38/00 , B22F2998/00 , B22F2998/10 , C22C33/0257 , C22C33/0264 , B22F1/0003 , B22F3/02
摘要： In an iron-based powder, 0.01% to 5.0% by mass of a flaky powder having an average particle size of longitudinal size of 100 or less, a thickness of 10 μm or less, and an aspect ratio (longitudinal size-to-thickness ratio) of 5 or more with respect to the iron-based mixed powder is contained, whereby the flowability of an iron-based mixed powder is increased, the density of a green compact is increased, and ejection force is greatly reduced after compaction, thereby accomplishing an increase in product quality and a reduction in production cost.
摘要翻译：在铁基粉末中，将0.01〜5.0质量％的平均粒径为100以下，厚度10μm以下，长宽比（纵向尺寸 - 厚度）的片状粉末比例）相对于铁基混合粉末为5以上，由此铁基混合粉末的流动性提高，生坯的密度增加，压实后喷射力大大降低，实现产品质量的提高和生产成本的降低。

4. 发明申请

US20110176950A1 METHOD FOR PRODUCING SINTERED COMPACT BY POWDER METALLURGY 审中-公开
标题翻译：通过粉末冶金生产烧结的方法
公开(公告)号：US20110176950A1
公开(公告)日：2011-07-21
申请号：US13120702
申请日：2009-09-18
申请人： Shigeru Unami , Yukiko Ozaki , Tadayuki Tsutsui , Yuji Yamanishi
发明人： Shigeru Unami , Yukiko Ozaki , Tadayuki Tsutsui , Yuji Yamanishi
IPC分类号： B22F3/12
CPC分类号： C22C33/0264 , B22F2998/10 , C22C38/002 , C22C38/004 , C22C38/04 , C22C38/22 , B22F3/02 , B22F3/10
摘要： A high-strength sintered compact is produced at low cost using an alloy steel powder for powder metallurgy containing no nickel or copper by compacting the alloy steel powder for powder metallurgy or a mixed powder containing the alloy steel powder at a pressure of 700 MPa or more and sintering the compact at a temperature of 1,150° C. to 1,300° C. The alloy steel powder used contains 0.3% to 0.7% by mass of chromium, 0.1% to 0.5% by mass of manganese, 0.1% to 0.5% by mass of molybdenum, and 0.25% to 0.5% by mass of oxygen, the balance being iron and incidental impurities.
摘要翻译：使用不含镍或铜的粉末冶金用合金钢粉末，通过压制粉末冶金用合金钢粉末或含有合金钢粉末的混合粉末在700MPa以上的压力下低成本地制造高强度烧结体在1150℃〜1300℃的温度下烧结成型体。使用的合金钢粉末含有0.3质量％〜0.7质量％的铬，0.1质量％〜0.5质量％的锰，0.1〜0.5质量％的钼，0.25〜0.5质量％的氧，余量为铁和杂质。

5. 发明授权

US07867314B2 Iron-based powder for powder metallurgy 有权
标题翻译：铁粉粉末冶金
公开(公告)号：US07867314B2
公开(公告)日：2011-01-11
申请号：US12733560
申请日：2008-09-09
申请人： Tomoshige Ono , Shigeru Unami , Takashi Kawano , Yukiko Ozaki , Kyoko Fujimoto
发明人： Tomoshige Ono , Shigeru Unami , Takashi Kawano , Yukiko Ozaki , Kyoko Fujimoto
IPC分类号： B22F1/02
CPC分类号： B22F1/0077 , C22C33/0228
摘要： Flowability-improving particles containing 50 to 100% by mass of carbon black are adhered to surfaces of iron powder through a binder to provide an iron-based powder for powder metallurgy which has excellent flowability and which is capable of uniformly filling a thin-walled cavity, compaction with high ejection force, and maintaining sufficient strength of a sintered body in subsequent sintering.
摘要翻译：通过粘合剂将含有50〜100质量％的炭黑的流动性改善粒子粘附在铁粉的表面，得到粉末冶金用的铁基粉末，其流动性优异，能够均匀地填充薄壁腔，具有高喷射力的压实，并且在随后的烧结中保持足够的烧结体强度。

6. 发明申请

US20100224025A1 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：US20100224025A1
公开(公告)日：2010-09-09
申请号：US12733560
申请日：2008-09-09
申请人： Tomoshige Ono , Shigeru Unami , Takashi Kawano , Yukiko Ozaki , Kyoko Fujimoto
发明人： Tomoshige Ono , Shigeru Unami , Takashi Kawano , Yukiko Ozaki , Kyoko Fujimoto
IPC分类号： B22F1/00 , B05D7/14
CPC分类号： B22F1/0077 , C22C33/0228
摘要： Flowability-improving particles containing 50 to 100% by mass of carbon black are adhered to surfaces of iron powder through a binder to provide an iron-based powder for powder metallurgy which has excellent flowability and which is capable of uniformly filling a thin-walled cavity, compaction with high ejection force, and maintaining sufficient strength of a sintered body in subsequent sintering.
摘要翻译：通过粘合剂将含有50〜100质量％的炭黑的流动性改善粒子粘附在铁粉的表面，得到粉末冶金用的铁基粉末，其流动性优异，能够均匀地填充薄壁腔，具有高喷射力的压实，并且在随后的烧结中保持足够的烧结体强度。

7. 发明授权

US06860918B2 Powder additive for powder metallurgy, iron-based powder mixture for powder metallurgy, and method for manufacturing the same 失效
标题翻译：粉末冶金用粉末添加剂，粉末冶金用铁基粉末混合物及其制造方法
公开(公告)号：US06860918B2
公开(公告)日：2005-03-01
申请号：US10442429
申请日：2003-05-21
申请人： Yukiko Ozaki , Shigeru Unami , Satoshi Uenosono
发明人： Yukiko Ozaki , Shigeru Unami , Satoshi Uenosono
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： The surface of the body of powder additive for use in powder metallurgy is coated with an organic binder, thereby obtaining powder additive to cause adhesion of the powder additive to the surface of iron-based powder by the organic binder, thereby providing a powder additive with no segregation of components and excellent flowability and compression, and an iron-based powder mixture manufactured by mixing the powder additive and the iron-based powder.
摘要翻译：用于粉末冶金的粉末添加剂体的表面涂有有机粘合剂，从而得到粉末添加剂，以通过有机粘合剂将粉末添加剂粘附到铁基粉末的表面，从而提供粉末添加剂组分偏析和优异的流动性和压缩性，以及通过混合粉末添加剂和铁基粉末制备的铁基粉末混合物。

8. 发明授权

US06827757B2 Magnetite-iron based composite powder, magnetite-iron based powder mixture, method for producing the same, method for remedying polluted soil, water or gases and electromagnetic wave absorber 失效
公开(公告)号：US06827757B2
公开(公告)日：2004-12-07
申请号：US10157604
申请日：2002-05-29
申请人： Yukiko Ozaki , Satoshi Uenosono , Hiroki Nakamaru , Yukiko Nakamura , Shigeaki Takajo , Shigeru Unami , Shingo Saito
发明人： Yukiko Ozaki , Satoshi Uenosono , Hiroki Nakamaru , Yukiko Nakamura , Shigeaki Takajo , Shigeru Unami , Shingo Saito
IPC分类号： B22F100
CPC分类号： B82Y30/00 , C01G23/003 , C01G49/009 , C01G49/06 , C01G49/08 , C01G51/006 , C01G53/00 , C01G53/006 , C01P2002/52 , C01P2002/54 , C01P2002/74 , C01P2004/45 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/10 , C01P2006/42 , C01P2006/60 , C01P2006/80
摘要： A magnetite-iron based composite powder includes magnetite with a ratio of X-ray diffraction intensity to that of &agr;-Fe of about 0.001 to about 50 and has an average primary particle size of about 0.1 to about 10 &mgr;m. The composite powder can highly dehalogenate organic halogen compounds and exhibits satisfactory absorption power of high frequency electromagnetic waves after molding. An ultrafine nonferrous inorganic compound powder may adhere to the surface of the composite powder, or at least the composite powder may adhere to the surfaces of small particles of a nonferrous inorganic compound to thereby yield a composite powder composition. The composite powder can be produced by partial reduction of a material powder containing a hematite based powder or by complete reduction and subsequent partial oxidation of the material powder.

9. 发明授权

US06610120B2 Alloyed steel powder for powder metallurgy 有权
公开(公告)号：US06610120B2
公开(公告)日：2003-08-26
申请号：US09934188
申请日：2001-08-21
申请人： Naomichi Nakamura , Satoshi Uenosono , Shigeru Unami , Masashi Fujinaga
发明人： Naomichi Nakamura , Satoshi Uenosono , Shigeru Unami , Masashi Fujinaga
IPC分类号： B22F100
CPC分类号： C22C33/0207 , B22F2999/00 , B22F1/0003 , B22F1/0096
摘要： A Mo source powder is added to and mixed with an iron-based powder containing 1.0% by mass or less of prealloyed Mn to yield a powder mixture containing 0.2 to 10.0% by mass of Mo, the resulting powder mixture is subjected to heat treatment in a reducing atmosphere to thereby yield an alloyed steel powder containing Mo as a powder partially diffused and bonded to a surface of the iron-based powder particles. The prepared alloyed steel powder for powder metallurgy has satisfactory compactability. The use of this alloyed steel powder can produce a sintered powder metal body (an intermediate material after compaction and preliminary sintering in re-compaction of sintered powder materials process) for highly strong sintered member.

10. 发明授权

US06503443B1 Metallic powder molding material and its re-compression molded body and sintered body obtained from the re-compression molded body and production methods thereof 有权
标题翻译：金属粉末成型材料及其再压缩成型体和由再压缩成型体得到的烧结体及其制造方法
公开(公告)号：US06503443B1
公开(公告)日：2003-01-07
申请号：US09647862
申请日：2000-10-06
申请人： Takashi Yoshimura , Hiroyuki Amma , Masashi Fujinaga , Mitsumasa Iijima , Yasuo Hatai , Takayuki Matsumoto , Satoshi Uenosono , Shigeru Unami
发明人： Takashi Yoshimura , Hiroyuki Amma , Masashi Fujinaga , Mitsumasa Iijima , Yasuo Hatai , Takayuki Matsumoto , Satoshi Uenosono , Shigeru Unami
IPC分类号： B22F316
CPC分类号： C22C33/02 , B22F2998/00 , B22F2998/10 , B22F3/16 , C22C33/0228 , B22F3/02 , B22F3/10 , B22F3/20
摘要： In a preliminary molding step 1, a metallic powder mixture 7 obtained by blending an iron-based metal powder 7a with graphite 7b such that the graphite is present in an amount of preferably not less than 0.1% by weight, more preferably not less than 0.3% by weight, is compacted into a preform 8 having a density of not less than 7.3 g/cm3. In a provisional sintering step 2, the preform 8 is provisionally sintered at a predetermined temperature to form a metallic powder-molded body 9 having a structure in which the graphite remains along a grain boundary of the metal powder. In a re-compaction step 3, the metallic powder-molded body 9 is re-compacted into a re-compacted body 10. In a re-sintering step 4, the re-compacted body 10 is re-sintered to obtain a sintered body 11. In a heat treatment step 5, the sintered body 11 is heat-treated to obtain a heat-treated sintered body 11. Accordingly, in accordance with the present invention, there are provided a re-compacted body produced from a metallic powder-molded body having an excellent deformability which is suitably applied to the production of machine parts exhibiting high mechanical properties due to the use of sintered metal, and a sintered body produced from the re-compacted body as well as a process for the production thereof.
摘要翻译：在预成型步骤1中，通过将铁基金属粉末7a与石墨7b共混而得到的金属粉末混合物7，使得石墨的存在量优选为0.1重量％以上，更优选为0.3以上重量％被压实成密度不小于7.3g / cm 3的预成型体8。在预烧结步骤2中，将预成型体8在规定温度下进行预烧结，形成金属粉末成形体9，该金属粉末成型体9具有沿着金属粉末的晶界留下的石墨的结构。在再压制步骤3中，将金属粉末成型体9再压制成再压制体10.在再烧结步骤4中，重新烧结再压制体10以获得烧结体在热处理工序5中，对烧结体11进行热处理，得到热处理烧结体11.因此，根据本发明，提供了一种由金属粉末 - 具有优异的变形性的成型体，其适用于由于使用烧结金属而显示出高机械性能的机械部件的制造，以及由再压制体制造的烧结体及其制造方法。

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