公开(公告)号：US5571305A

公开(公告)日：1996-11-05

申请号：US298596

申请日：1994-08-31

申请人： Satoshi Uenosono ,  Hiroyuki Ishikawa ,  Kuniaki Ogura

发明人： Satoshi Uenosono ,  Hiroyuki Ishikawa ,  Kuniaki Ogura

IPC分类号： C22C33/02 ,  C21D1/00

CPC分类号： C22C33/0264 ,  C22C33/0257

摘要： Atomized steel powder having excellent machinability, containing about S 0.005 wt % to 0.3 wt %, Cr 0.03 wt % to 0.3 wt %, Mn 0.03 wt % to 0.5 wt %, O 0.30 wt % or less, and the balance Fe and incidental impurities, and sintered steel that can be manufactured therefrom. In particular, each of specific components is limited to a preferred range so that atomized steel powder exhibiting excellent machinability, dimensional accuracy and wear resistance and sintered steel that can be manufactured therefrom are provided.

摘要翻译： 具有优异的机械加工性的雾化钢粉末，含有约0.005wt％至0.3wt％，Cr 0.03wt％至0.3wt％，Mn 0.03wt％至0.5wt％，0.30wt％或更少，余量为Fe和附带杂质 ，以及可由其制造的烧结钢。 特别地，各特定成分被限制在优选的范围，从而能够提供表现出优异的机械加工性，尺寸精度和耐磨性的粉末状钢粉末以及可由其制造的烧结钢。

公开(公告)号：US5976215A

公开(公告)日：1999-11-02

申请号：US137105

申请日：1998-08-20

申请人： Satoshi Uenosono ,  Yukiko Ozaki ,  Kuniaki Ogura ,  Toshio Nagase ,  Takeo Kobayashi

发明人： Satoshi Uenosono ,  Yukiko Ozaki ,  Kuniaki Ogura ,  Toshio Nagase ,  Takeo Kobayashi

IPC分类号： B22F1/00 ,  C08K3/08 ,  C08K9/04

CPC分类号： C08K3/08 ,  B22F1/0059 ,  C08K9/04 ,  B22F2999/00

摘要： An iron-based powder mixture for powder metallurgy, comprising: an iron-based powder, and from 0.05 to 0.50% by weight of a thermoplastic resin powder which comprises 50% or more by weight of units of at least one monomer selected from the group consisting of acrylic esters, methacrylic esters, and aromatic vinyl compounds, and whose average primary particle size is from 0.03 to 5 .mu.m, whose average agglomeration particle size is from 5 to 50 .mu.m, and whose average molecular weight measured by the specific viscosity of a solution is from 30000 to 5000000.

摘要翻译： 一种粉末冶金用的铁基粉末混合物，其特征在于，含有铁系粉末和0.05〜0.50重量％的热塑性树脂粉末，其含有50重量％以上的至少一种单体， 由丙烯酸酯，甲基丙烯酸酯和芳香族乙烯基化合物组成，其平均一次粒径为0.03〜5μm，平均聚集粒径为5〜50μm，平均分子量通过比粘度 的解决方案是从30000到5000000。

公开(公告)号：US5989304A

公开(公告)日：1999-11-23

申请号：US973142

申请日：1997-11-28

申请人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

发明人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

IPC分类号： B22F1/00 ,  B22F1/02 ,  C22C33/02

CPC分类号： B22F1/0062 ,  B22F1/0059 ,  B22F1/0077 ,  B22F1/0096 ,  B22F1/02 ,  C22C33/02 ,  C22C33/0207 ,  B22F2003/023 ,  B22F2003/145 ,  B22F2998/00

摘要： An iron-based powder composition for powder metallurgy excellent in flowability and compactibility is produced in accordance with a method comprising the steps of: adding to iron-based and alloying powders, for a primary mixing, a surface treatment agent, and in addition, for a secondary mixing, a fatty acid amide and at least one lubricant, wherein the lubricant has a melting point higher than that of the fatty acid amide and can be a thermoplastic resin, a thermoplastic elastomer, and inorganic or organic compounds having a layered crystal structure; heating and stirring up a mixture after the secondary mixing at a temperature above a melting point of the fatty acid amide to melt the fatty acid amide; cooling, while mixing, the mixture subjected to the heating and stirring process so that the alloying powder and a lubricant having a melting point higher than the fatty acid amide adhere to a surface of the iron base powder subjected to the surface treatment by an adhesive force of the melt; and adding at the time of the cooling, for a tertiary mixing, a metallic soap and at least one thermoplastic resin or thermoplastic elastomer powders and inorganic or organic compounds having layered crystal structure. The mixture is heated to about 423K and loaded into a die for compaction.

摘要翻译： PCT No.PCT / JP97 / 00029 Sec。 371日期1997年11月28日 102（e）1997年11月28日日期PCT 1997年1月9日PCT PCT。 公开号WO98 / 05454 日期1998年12月2日根据包括以下步骤的方法制备粉末冶金用的粉末冶金用铁粉组合物：将铁基和合金粉末加入到初级混合表面处理剂中， 此外，对于二次混合，脂肪酸酰胺和至少一种润滑剂，其中润滑剂的熔点高于脂肪酸酰胺的熔点，并且可以是热塑性树脂，热塑性弹性体和无机或有机化合物 具有层状晶体结构; 在高于脂肪酸酰胺的熔点的温度下二次混合之后加热和搅拌混合物以熔化脂肪酸酰胺; 冷却，同时混合，将混合物进行加热和搅拌处理，使得合金粉末和熔点高于脂肪酸酰胺的润滑剂与通过粘合力进行表面处理的铁基粉末的表面粘附 的熔体; 在冷却时加入金属皂和至少一种热塑性树脂或热塑性弹性体粉末和具有层状晶体结构的无机或有机化合物。 将混合物加热至约423K并加载到模具中用于压实。

公开(公告)号：US06451082B1

公开(公告)日：2002-09-17

申请号：US09749576

申请日：2000-12-28

申请人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

发明人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

IPC分类号： B22F102

CPC分类号： B22F1/0062 ,  B22F1/0059 ,  B22F1/0077 ,  B22F1/0096 ,  B22F2003/145 ,  B22F2998/00 ,  C22C33/0207

摘要： An iron-based powder composition is provided that is greatly flowable and compactible and less dependent on temperature with respect to flowability and compactibility at room temperature or during warming. The iron-based powder composition includes an iron-based powder, a lubricant melted and fixed to the iron-based powder, an alloying powder bonded to the iron-based powder with the aid of the lubricant, and a free lubricant. One or more constituent members are coated with an organosiloxane layer in a coating ratio of greater than about 80%. The organosiloxane has phenyl groups as a functional group. The lubricant melted and fixed to the iron-based powder is a composite melt composed of a calcium soap and a lithium soap, or a composite melt composed of a calcium soap and an amide lubricant. The free lubricant is a mixed powder composed of an amide lubricant and a methyl polymethacrylate powder, or a lithium soap powder. A process for producing the iron-based powder composition is also provided.

摘要翻译： 提供了一种铁基粉末组合物，其在流动性和在室温下或在加热过程中的紧密性方面具有极大的流动性和可压缩性，并且对温度的依赖性较小。 铁基粉末组合物包括铁基粉末，融化并固定在铁基粉末上的润滑剂，借助润滑剂粘合到铁基粉末上的合金粉末和游离润滑剂。 一个或多个构成部件以大于约80％的涂布比涂覆有机硅氧烷层。 有机硅氧烷具有苯基作为官能团。 熔融并固定在铁基粉末上的润滑剂是由钙皂和锂皂组成的复合熔体或由钙皂和酰胺润滑剂组成的复合熔体。 游离润滑剂是由酰胺润滑剂和聚甲基丙烯酸甲酯粉末或锂皂粉组成的混合粉末。 还提供了一种制备铁基粉末组合物的方法。

公开(公告)号：US5938814A

公开(公告)日：1999-08-17

申请号：US28899

申请日：1998-02-24

申请人： Satoshi Uenosono ,  Kuniaki Ogura ,  Jibin Yang

发明人： Satoshi Uenosono ,  Kuniaki Ogura ,  Jibin Yang

IPC分类号： B22F9/08 ,  B22F1/00 ,  B22F5/00 ,  C22C33/02 ,  C22C38/16

CPC分类号： C22C33/0221 ,  C22C33/0207 ,  B22F2998/00

摘要： An iron based powder mixture for powder metallurgy is provided which can produce a sintered material having by far higher machinability and sliding properties than conventional sintered materials, and also a sintered material containing alloy elements but having adaptability to sizing even after sintering; it comprises an atomized iron powder comprising S in a content of 0.03 to 0.30 wt %, Mn in a content of 0.05 to 0.40 wt % and the balance Fe and incidental impurities, to which is added one or more than one B-containing compound powder selected from boron nitride (BN), boric acid (H.sub.3 BO.sub.3), boron oxide (B.sub.2 O.sub.3) and the like in an amount of 0.001 to 0.3 wt % expressed as B, and incorporated with an MnS powder in an amount of 0.05 to 1.0 wt %, optionally alloyed partially with or prealloyed with Ni, Mo and Cu.

摘要翻译： 提供了一种用于粉末冶金的铁基粉末混合物，其可以生产具有比常规烧结材料高得多的机械加工性和滑动性能的烧结材料，以及含有合金元素但具有烧结后尺寸适应性的烧结材料; 其包含含有0.03〜0.30重量％的S，含量为0.05〜0.40重量％的Mn和余量的Fe和附带杂质的雾化铁粉，向其中加入一种或多于一种含B化合物粉末 选自以B表示的0.001〜0.3重量％的氮化硼（BN），硼酸（H3BO3），氧化硼（B2O3）等，并掺入0.05〜1.0重量％的MnS粉末， ，任选与Ni，Mo和Cu部分合金化或预合金化。

公开(公告)号：US5766304A

公开(公告)日：1998-06-16

申请号：US637228

申请日：1996-04-24

申请人： Satoshi Uenosono ,  Kuniaki Ogura

发明人： Satoshi Uenosono ,  Kuniaki Ogura

IPC分类号： B22F1/00 ,  C22C33/02

CPC分类号： C22C33/0207 ,  B22F1/0059

摘要： An iron-base mixture and method for powder metallurgy containing iron-base powder, an alloy powder including at least copper, copper oxide or both, and an organic substance for bonding the alloy powder to the iron-base powder, wherein said copper powder or copper oxide powder has a particle size of agglomeration, when evaluated by the micro-track method, of about 5 .mu.m to 28 .mu.m, and wherein the particles of copper or copper oxide have a primary particle size which, when evaluated by the BET method, is about 0.2 .mu.m to 1.5 .mu.m.

摘要翻译： 一种含有铁基粉末的铁基混合物和粉末冶金方法，至少包含铜，氧化铜或二者的合金粉末和用于将合金粉末粘合到铁基粉末上的有机物质，其中所述铜粉末或 氧化铜粉末，当通过微轨道法评估时，具有约5μm至28μm的聚集粒子，其中铜或氧化铜颗粒具有一次粒径，当通过BET评估时， 方法，约为0.2〜1.5亩。

公开(公告)号：US5599377A

公开(公告)日：1997-02-04

申请号：US506127

申请日：1995-07-24

申请人： Satoshi Uenosono ,  Kuniaki Ogura

发明人： Satoshi Uenosono ,  Kuniaki Ogura

IPC分类号： B22F1/00 ,  C22C33/02 ,  C22C38/00 ,  C22C38/04 ,  C22C38/12

CPC分类号： C22C33/0264

摘要： A mixed iron powder for powder metallurgy containing less than about 0.1 wt % of Mn, about 0.08 to 0.15 wt % of S, a total of about 0.05 to 0.70 wt % of one or more compounds selected from MoO.sub.3 and WO.sub.3, about 0.50 to 1.50 wt % of graphite powder, and the balance Fe and incidental impurities. The mixed iron powder can be manufactured by an atomizing process using water, and be used to manufacture a sintered steel having excellent machinability, strength and toughness without forming soot, even if sintered in a hydrogen-containing atmosphere.

摘要翻译： 用于粉末冶金的混合铁粉包含小于约0.1重量％的Mn，约0.08至0.15重量％的S，总计约0.05至0.70重量％的一种或多种选自MoO 3和WO 3的化合物，约0.50至1.50 重量百分比的石墨粉，余量为Fe和杂质。 混合铁粉可以通过使用水的雾化法制造，即使在含氢气氛中烧结，也可用于制造具有优异的机械加工性，强度和韧性而不形成烟灰的烧结钢。

公开(公告)号：US06503445B2

公开(公告)日：2003-01-07

申请号：US09767111

申请日：2001-01-22

申请人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

发明人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

IPC分类号： B22F302

CPC分类号： B22F1/0062 ,  B22F1/0059 ,  B22F1/0077 ,  B22F1/0096 ,  B22F2998/00 ,  C22C33/0207

摘要： A process for producing an iron-based powder composition for powder metallurgy having excellent flowability at room temperature and a warm compaction temperature, having improved compactibility enabling lowering ejection force in compaction, and to provide a process for producing a compact of a high density from the iron-based powder composition, wherein the iron-based powder composition comprises an iron-based powder, a lubricant, and an alloying powder, and at least one of the iron-based powder, the lubricant, and the alloying powder is coated with at least one surface treatment agent selected from the group of surface treatment agents of organoalkoxysilanes, organosilazanes, titanate coupling agents, fluorine-containing silicon silane coupling agents, and wherein the iron-based powder composition is compacted at a temperature not lower than the lowest melting point of the employed lubricants, but not higher than the highest melting point of the employed lubricants.

摘要翻译： 一种粉末冶金用铁基粉末组合物的制造方法，其在室温下具有优异的流动性和温暖的压实温度，具有改善的压实性，从而能够降低压缩时的喷射力，并且提供了一种从 铁基粉末组合物，其中所述铁基粉末组合物包含铁基粉末，润滑剂和合金粉末，并且所述铁基粉末，所述润滑剂和所述合金粉末中的至少一种涂覆有 至少一种选自有机烷氧基硅烷的表面处理剂，有机硅氮烷，钛酸酯偶联剂，含氟硅烷偶联剂的表面处理剂，其中铁基粉末组合物在不低于最低熔点的温度下压实 的使用润滑剂，但不高于所用润滑剂的最高熔点。

公开(公告)号：US06235076B1

公开(公告)日：2001-05-22

申请号：US09171911

申请日：1998-10-28

申请人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

发明人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

IPC分类号： B22F100

CPC分类号： B22F1/0062 ,  B22F1/0059 ,  B22F1/0077 ,  B22F1/0096 ,  B22F2998/00 ,  C22C33/0207

摘要： The present invention intends to provide an iron-based powder composition for powder metallurgy having excellent flowability at room temperature and a warm compaction temperature, having improved compactibility enabling lowering ejection force in compaction, to provide a process for producing the iron-based powder composition, and to provide a process for producing a compact of a high density from the iron-based powder composition. The iron-based powder composition comprises an iron-based powder, a lubricant, and an alloying powder, and at least one of the iron-based powder, the lubricant, and the alloying powder is coated with at least one surface treatment agent selected from the group of surface treatment agents of organoalkoxysilanes, organosilazanes, titanate coupling agents, fluorine-containing silicon silane coupling agents. The iron-based powder composition is compacted at a temperature not lower than the lowest melting point of the employed lubricants, but not higher than the highest melting point of the employed lubricants.

摘要翻译： 本发明提供一种粉末冶金用铁粉末组合物，其在室温下具有优异的流动性和温和的压实温度，其具有改善的压实性，从而能够降低压实时的喷射力，从而提供了制备铁基粉末组合物的方法， 并提供从铁基粉末组合物制造高密度的压块的方法。 铁基粉末组合物包含铁基粉末，润滑剂和合金粉末，并且至少一种铁基粉末，润滑剂和合金粉末涂覆有至少一种选自以下的表面处理剂： 有机烷氧基硅烷，有机硅氮烷，钛酸酯偶联剂，含氟硅烷偶联剂的表面处理剂组。 铁基粉末组合物在不低于所用润滑剂的最低熔点的温度下压实，但不高于所用润滑剂的最高熔点。

公开(公告)号：US6139600A

公开(公告)日：2000-10-31

申请号：US401841

申请日：1999-09-22

申请人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

发明人： Yukiko Ozaki ,  Satoshi Uenosono ,  Kuniaki Ogura

IPC分类号： B22F1/00 ,  B22F1/02 ,  C22C33/02

CPC分类号： B22F1/0062 ,  B22F1/0059 ,  B22F1/0077 ,  B22F1/0096 ,  B22F1/02 ,  C22C33/02 ,  C22C33/0207 ,  B22F2003/023 ,  B22F2003/145 ,  B22F2998/00

摘要： An iron-based powder composition is produces in accordance with a method comprising the steps of: adding to iron-based and alloying powders, for a primary mixing, a surface treatment agent, and in addition, for a secondary mixing, a fatty acid amide and at least one lubricant, wherein the lubricant has a melting point higher than that of the fatty acid amide and can be, a thermoplastic resin, a thermoplastic elastomer, and inorganic or organic compounds having a layered crystal structure; heating and stirring up a mixture after the secondary mixing at a temperature above a melting point of the fatty acid amide to melt the fatty acid amide; cooling, while mixing, the mixture subjected to the heating and stirring process so that the alloying powder and a lubricant having a melting point higher than the fatty acid amide adhere to a surface of the iron base powder subjected to the surface treatment by an adhesive force of the melt; and adding at the time of the cooling, for a tertiary mixing, a metallic soap and at least one a thermoplastic resin or thermoplastic elastomer powders and inorganic or organic compounds having layered crystal structure. The mixture is heated to about 423K and loaded into a die for compaction.

摘要翻译： 铁基粉末组合物根据包括以下步骤的方法生产：将铁基和合金粉末加入到初级混合表面处理剂中，并且另外加入脂肪酸酰胺 和至少一种润滑剂，其中所述润滑剂的熔点高于所述脂肪酸酰胺的熔点，并且可以是热塑性树脂，热塑性弹性体和具有层状晶体结构的无机或有机化合物; 在高于脂肪酸酰胺的熔点的温度下二次混合之后加热和搅拌混合物以熔化脂肪酸酰胺; 冷却，同时混合，将混合物进行加热和搅拌处理，使得合金粉末和熔点高于脂肪酸酰胺的润滑剂与通过粘合力进行表面处理的铁基粉末的表面粘附 的熔体; 在冷却时加入金属皂和至少一种热塑性树脂或热塑性弹性体粉末和具有层状晶体结构的无机或有机化合物。 将混合物加热至约423K并加载到模具中用于压实。