公开(公告)号：US08409712B2

公开(公告)日：2013-04-02

申请号：US12863127

申请日：2009-01-16

申请人： Kenji Yokoyama ,  Kunichika Kubota ,  Toshihiro Uehara ,  Takehiro Ohno ,  Katsuhiko Ohishi

发明人： Kenji Yokoyama ,  Kunichika Kubota ,  Toshihiro Uehara ,  Takehiro Ohno ,  Katsuhiko Ohishi

IPC分类号： B32B9/00

CPC分类号： C23C14/0605 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/22 ,  Y10T428/12972 ,  Y10T428/12979 ,  Y10T428/30

摘要： An alloy to be surface-coated, which can keep excellent hardness of 58HRC or above even when the amount of an alloying element added is reduced or even when the alloy is heated to a temperature of as high as 400 to 500° C.; and sliding members produced by forming a hard film on the surface of the alloy. An alloy to be surface-coated, the surface of which is to be covered with a hard film, which alloy contains by mass C: 0.5 to 1.2%, Si: 2.0% or below, Mn: 1.0% or below, Cr: 5.0 to 14.0%, Mo+1/2 W: 0.5 to 5.0%, and N: more than 0.015 to 0.1% with the balance being Fe and impurities, preferably such an alloy which contains by mass C: 0.6 to 0.85%, Si: 0.1 to 1.5%, Mn: 0.2 to 0.8%, Cr: 7.0 to 11.0%, Mo+1/2 W: 1.0 to 4.0%, and N: 0.04 to 0.08%.

摘要翻译： 即使在合金元素添加量减少甚至合金加热至400〜500℃的温度时，即使表面被覆的合金也能够保持58HRC以上的优异的硬度。 以及通过在合金表面上形成硬质膜而制造的滑动构件。 要表面涂覆的合金，其表面将被硬膜覆盖，该合金以C：0.5至1.2％，Si：2.0％或更低，Mn：1.0％或更低，Cr：5.0 至14.0％，Mo + 1 / 2W：0.5〜5.0％，N：大于0.015〜0.1％，余量为Fe和杂质，优选含有C：0.6〜0.85％的Si， 0.1〜1.5％，Mn：0.2〜0.8％，Cr：7.0〜11.0％，Mo + 1 / 2W：1.0〜4.0％，N：0.04〜0.08％。

公开(公告)号：US20120107169A1

公开(公告)日：2012-05-03

申请号：US13265086

申请日：2010-04-19

申请人： Katsuhiko Ohishi ,  Takehiro Ohno ,  Toshihiro Uehara

发明人： Katsuhiko Ohishi ,  Takehiro Ohno ,  Toshihiro Uehara

IPC分类号： C22C38/44 ,  C22C38/48 ,  C22C38/54 ,  C22C38/42

CPC分类号： C22C38/44 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/48 ,  C22C38/54 ,  F01L3/02 ,  F01L2101/00 ,  F01L2800/18 ,  F01L2820/01 ,  F01L2820/02

摘要： To provide an inexpensive heat-resisting steel for engine valves by causing Fe-based heat-resisting steel to exhibit high temperature strength not inferior to that of Ni-based heat-resisting steel. A heat-resisting steel for engine valves excellent in high temperature strength containing, in % by mass, C: 0.20 to 0.50%, Si: 1.0% or less, Mn: 5.0% or less, P: 0.1 to 0.5%, Ni: 8.0 to 15.0%, Cr: 16.0 to 25.0%, Mo: 2.0 to 5.0%, Cu: 0.5% or less, Nb: 1.0% or less (including 0%), W: 8.0% or less (including 0%), N: 0.02 to 0.2%, B: 0.01% or less, and remnants of Fe and impurities,wherein the heat-resisting steel for engine valves satisfies formulae below: 442P(%)+12Mo(%)+5W(%)+7Nb(%)+328N(%)+171≧300  Formula (1) −38.13P(%)+1.06Mo(%)+0.13W(%)+9.64Nb(%)+13.52N(%)+4.83≧0.12  Formula (2)

摘要翻译： 通过使Fe系耐热钢呈现出不劣于Ni系耐热钢的高温强度，为发动机阀提供便宜的耐热钢。 1.一种耐高温发动机用耐热钢，以质量％计含有C：0.20〜0.50％，Si：1.0％以下，Mn：5.0％以下，P：0.1〜0.5％，Ni： 8.0〜15.0％，Cr：16.0〜25.0％，Mo：2.0〜5.0％，Cu：0.5％以下，Nb：1.0％以下（含0％），W：8.0％以下（含0％ N：0.02〜0.2％，B：0.01％以下，Fe和杂质的残留物，其中，发动机气门用耐热钢满足下式：442P（％）+ 12Mo（％）+ 5W（％）+ 7Nb （％）+ 328N（％）+ 171≧300式（1）-38.13P（％）+ 1.06Mo（％）+ 0.13W（％）+ 9.64Nb（％）+ 13.52N（％）+ 4.83≧0.12 公式（2）

公开(公告)号：US20110171058A1

公开(公告)日：2011-07-14

申请号：US13063414

申请日：2009-09-25

申请人： Chuya Aoki ,  Toshihiro Uehara ,  Takehiro Ohno

发明人： Chuya Aoki ,  Toshihiro Uehara ,  Takehiro Ohno

IPC分类号： C22C19/05 ,  C21D11/00 ,  C22F1/10

CPC分类号： C22B9/04 ,  C22B9/18 ,  C22B9/20 ,  C22B23/06 ,  C22C19/055 ,  C22F1/02 ,  C22F1/10

摘要： Provided is an Ni-base alloy excellent in strength, ductility and other properties through the resolution of micro-segregation. Also provided is a process for manufacturing an Ni-base alloy containing by mass C: 0.15% or less, Si: 1% or less, Mn: 1% or less, Cr: 10 to 24%, Mo+(½)W (where Mo may be contained either alone or as an essential component): 5 to 17%, Al: 0.5 to 1.8%, Ti: 1 to 2.5%, Mg: 0.02% or less, and either B: 0.02% or less and/or Zr: 0.2% or less at an Al/(Al+0.56Ti) ratio of 0.45 to 0.70 with the balance consisting of Ni and impurities, which comprises subjecting, at least one time, an Ni-base alloy material which is prepared by vacuum melting and has the above composition to homogenization heat treatment at 1160 to 1220° C. for 1 to 100 hours. The Mo segregation ratio of the alloy is controlled to 1 to 1.17 by the homogenization heat treatment.

摘要翻译： 提供了通过分离微分离而具有优异的强度，延展性等特性的Ni基合金。 还提供了以质量计C：0.15％以下，Si：1％以下，Mn：1％以下，Cr：10〜24％，Mo +（1/2）W（其中， Mo可以单独或作为必要成分含有）：5〜17％，Al：0.5〜1.8％，Ti：1〜2.5％，Mg：0.02％以下，B：0.02％以下和/或 Zr：在Al /（Al + 0.56Ti）比为0.45〜0.70的情况下为0.2％以下，余量由Ni和杂质组成，其中包括至少一次将真空制备的Ni基合金材料 熔化并具有上述组成以在1160至1220℃进行均化热处理1至100小时。 通过均质化热处理将合金的Mo偏析比控制在1〜1.17。

公开(公告)号：US06447624B2

公开(公告)日：2002-09-10

申请号：US09825948

申请日：2001-04-05

申请人： Toshiaki Nonomura ,  Takehiro Ohno ,  Toshihiro Uehara ,  Hiroshi Yakuwa ,  Matsuho Miyasaka ,  Shuhei Nakahama ,  Shigeru Sawada

发明人： Toshiaki Nonomura ,  Takehiro Ohno ,  Toshihiro Uehara ,  Hiroshi Yakuwa ,  Matsuho Miyasaka ,  Shuhei Nakahama ,  Shigeru Sawada

IPC分类号： C22F110

CPC分类号： C22C19/055 ,  C22C19/056 ,  C22F1/10

摘要： A manufacturing method, particularly a heat treatment method of a Ni-based alloy having sulfidation-corrosion resistance used for component members of corrosion-resistant high-temperature equipment, that is, Waspaloy (a trademark of United Technologies) or its improved Ni-based alloy wherein the high temperature sulfidation-corrosion resistance of the alloy can be improved while maintaining hot strength properties is disclosed. A Ni-based alloy used for the method consists essentially of 0.005 to 0.1% C, 18 to 21% Cr, 12 to 15% Co, 3.5 to 5.0% Mo, not more than 3.25% Ti and 1.2 to 4.0% Al (expressed in mass percentage), with the balance substantially comprising Ni. In the manufacturing method of a Ni-based alloy having improved sulfidation-corrosion resistance, the alloy is, after solution heat treatment, subjected to stabilizing treatment at a temperature not lower than 860° C. and not higher than 920° C. for 1 to 16 hours, and aging treatment at a temperature not lower than 680° C. and not higher than 760° C. for 4 to 48 hours.

摘要翻译： 特别是具有耐腐蚀性高的设备的组件的耐硫化性的Ni基合金的热处理方法，即Waspaloy（United Technologies的商标）或其改进的Ni基 合金，其中可以提高合金的高温耐硫化腐蚀性，同时保持热强度性能。 用于该方法的Ni基合金主要由0.005至0.1％的C，18至21％的Cr，12至15％的Co，3.5至5.0％的Mo，不超过3.25％的Ti和1.2至4.0％的Al（表达 以质量百分比表示），余量基本上包含Ni。 在具有改善的耐硫化腐蚀性的Ni基合金的制造方法中，在固溶热处理之后，合金在不低于860℃且不高于920℃的温度下进行稳定处理1 至16小时，并在不低于680℃且不高于760℃的温度下老化处理4至48小时。

公开(公告)号：US5370838A

公开(公告)日：1994-12-06

申请号：US219916

申请日：1994-03-30

申请人： Koji Sato ,  Takehiro Ohno

发明人： Koji Sato ,  Takehiro Ohno

IPC分类号： C22C38/00 ,  C22C38/50 ,  C22C38/44 ,  C22C38/48

CPC分类号： C22C38/50

摘要： An Fe-base superalloy essentially consisting of up to 0.20% C, up to 1.0% Si, up to 2.0% Mn, more than 25% and less than 30% Ni, 10 to 15% Cr, one or both of not less than 0.05% and less than 1.0% Mo and not less than 0.05% and less than 2.0% W so that an amount of Mo+0.5 W is not less than 0.05 and less than 1.0, 0.7 to 2.0% Al, 2.5 to 4.0% Ti, 0.05 to 1.0% Nb, and the balance being substantially Fe except impurities.

摘要翻译： 一种Fe基超级合金，主要由高达0.20％的C，至多1.0％的Si，至多2.0％的Mn，超过25％和小于30％的Ni，10-15％的Cr，一个或两个不小于 0.05％且小于1.0％的Mo和不小于0.05％且小于2.0％的W，使得Mo + 0.5W的量不小于0.05且小于1.0，Al：0.7〜2.0％，Al：2.5〜4.0％ ，0.05〜1.0％的Nb，余量基本上除了杂质以外的Fe。

公开(公告)号：US4740354A

公开(公告)日：1988-04-26

申请号：US909226

申请日：1986-09-19

申请人： Rikizo Watanabe ,  Takehiro Ohno ,  Toshiaki Nonomura

发明人： Rikizo Watanabe ,  Takehiro Ohno ,  Toshiaki Nonomura

IPC分类号： C22C19/03

CPC分类号： C22C19/03

摘要： A nickel-base cast alloy for use in high-temperature forging dies operable in the atmosphere, consisting essentially of 4-10 weight % of Al, 13-23 weight % of Mo and the balance of Ni and impurities. The nickel-base cast alloy may further contain up to 0.1 weight % of at least one of rare earth metals and Y. It may also contain up to 15 weight % of W and/or Ta substituting for a part of Mo. Ni may be replaced by up to 20 weight % of Co. The cast alloy of the present invention has high resistance to compression deformation and oxidation.

摘要翻译： 用于在大气中可操作的高温锻造模具的镍基铸造合金，主要由Al-Al重量％的4-10重量％，Mo的13-23重量％和Ni和杂质的余量组成。 镍基铸造合金还可以含有至多0.1重量％的稀土金属和Y中的至少一种。也可以含有至多15重量％的W和/或Ta代替Mo的一部分，Ni可以是 由高达20重量％的Co替代。本发明的铸造合金具有高的抗压缩变形和抗氧化性。

公开(公告)号：US08741215B2

公开(公告)日：2014-06-03

申请号：US13265086

申请日：2010-04-19

申请人： Katsuhiko Ohishi ,  Takehiro Ohno ,  Toshihiro Uehara

发明人： Katsuhiko Ohishi ,  Takehiro Ohno ,  Toshihiro Uehara

IPC分类号： C22C38/42 ,  C22C38/44 ,  C22C38/48

CPC分类号： C22C38/44 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/48 ,  C22C38/54 ,  F01L3/02 ,  F01L2101/00 ,  F01L2800/18 ,  F01L2820/01 ,  F01L2820/02

摘要： To provide an inexpensive heat-resisting steel for engine valves by causing Fe-based heat-resisting steel to exhibit high temperature strength not inferior to that of Ni-based heat-resisting steel. A heat-resisting steel for engine valves excellent in high temperature strength containing, in % by mass, C: 0.20 to 0.50%, Si: 1.0% or less, Mn: 5.0% or less, P: 0.1 to 0.5%, Ni: 8.0 to 15.0%, Cr: 16.0 to 25.0%, Mo: 2.0 to 5.0%, Cu: 0.5% or less, Nb: 1.0% or less (including 0%), W: 8.0% or less (including 0%), N: 0.02 to 0.2%, B: 0.01% or less, and remnants of Fe and impurities,wherein the heat-resisting steel for engine valves satisfies formulae below: 442P(%)+12Mo(%)+5W(%)+7Nb(%)+328N(%)+171≧300  Formula (1) −38.13P(%)+1.06Mo(%)+0.13W(%)+9.64Nb(%)+13.52N(%)+4.83≧0.12  Formula (2).

摘要翻译： 通过使Fe系耐热钢呈现出不劣于Ni系耐热钢的高温强度，为发动机阀提供便宜的耐热钢。 1.一种耐高温发动机用耐热钢，以质量％计含有C：0.20〜0.50％，Si：1.0％以下，Mn：5.0％以下，P：0.1〜0.5％，Ni： 8.0〜15.0％，Cr：16.0〜25.0％，Mo：2.0〜5.0％，Cu：0.5％以下，Nb：1.0％以下（含0％），W：8.0％以下（含0％ N：0.02〜0.2％，B：0.01％以下，Fe和杂质的残留物，其中，发动机气门用耐热钢满足下式：442P（％）+ 12Mo（％）+ 5W（％）+ 7Nb （％）+ 328N（％）+ 171≧300式（1）-38.13P（％）+ 1.06Mo（％）+ 0.13W（％）+ 9.64Nb（％）+ 13.52N（％）+ 4.83≧0.12 式（2）。

公开(公告)号：US06776956B2

公开(公告)日：2004-08-17

申请号：US10132571

申请日：2002-04-26

申请人： Toshihiro Uehara ,  Akihiro Toji ,  Takehiro Ohno

发明人： Toshihiro Uehara ,  Akihiro Toji ,  Takehiro Ohno

IPC分类号： C22C3818

CPC分类号： H01M8/0204 ,  C22C38/004 ,  C22C38/005 ,  C22C38/06 ,  C22C38/50 ,  H01M8/021 ,  H01M8/0228 ,  H01M8/0232

摘要： Provided is a steel for separators of solid-oxide type fuel cells, which forms oxide films having good electrical conductivity at 700 to 950° C. or so, has good oxidation resistance and, in particular, resistance to exfoliation even in the case of long hours of use, is excellent in impact properties at room temperature, shows a small difference in thermal expansion from the electrolyte, and is inexpensive. This steel for separators of solid-oxide fuel cells includes, by mass %, not more than 0.2% C, not more than 1.0% Si, not more than 1.0% Mn, not more than 2% Ni, 15 to 30% Cr, not more than 1% Al, one or more elements selected from the group of not more than 0.5% Y, not more than 0.2% REM and not more than 1% Zr, and the balance of Fe and unavoidable impurities. In this steel, amounts of S, O, N and B in the unavoidable impurities are restricted to not more than 0.015%, not more than 0.010%, not more than 0.050% and not more than 0.0050%, respectively, the following equation is satisfied: (0+2S)/(0.27Y+0.035Zr+0.16REM)≦2.0, Furthermore, in this steel, the hardness is not more than 280 HV and the average ferrite grain size number is not less than ASTM No. 2, which provides fine grains.

摘要翻译： 本发明提供一种固体氧化物型燃料电池用隔板的钢，其形成在700〜950℃左右的导电性良好的氧化膜，具有良好的抗氧化性，特别是长时间耐剥离性 使用时间小，室温下的冲击性优异，与电解质的热膨胀差异小，成本低廉。 用于固体氧化物型燃料电池用隔板的钢中，以质量％计不超过0.2％C，1.0％以下的Si，1.0％以下的Mn，2％以下的Ni，15〜30％的Cr， 不大于1％的Al，选自不超过0.5％Y，不超过0.2％REM和不超过1％Zr的一种或多种元素，余量为Fe和不可避免的杂质。 在这种钢中，不可避免的杂质中的S，O，N和B的量分别限制在不大于0.015％，不大于0.010％，不大于0.050％和不大于0.0050％，下面的等式是 满意：此外，在该钢中，硬度为280HV以下，平均铁素体晶粒尺寸数不小于提供细晶粒的ASTM No.2。

公开(公告)号：US06221183B1

公开(公告)日：2001-04-24

申请号：US08151808

申请日：1993-11-15

申请人： Koji Sato ,  Rikizo Watanabe ,  Takehiro Ohno ,  Yoshiki Masugata ,  Minoru Takuwa ,  Shigeaki Sato ,  Yoshimi Senda

发明人： Koji Sato ,  Rikizo Watanabe ,  Takehiro Ohno ,  Yoshiki Masugata ,  Minoru Takuwa ,  Shigeaki Sato ,  Yoshimi Senda

IPC分类号： C22C3808

CPC分类号： C22C19/07 ,  C22C38/105 ,  C22C38/44 ,  C22C38/52

摘要： A high-strength low-thermal-expansion alloy consisting of, by weight, 0.06 to 0.50% C, 25 to 65% in total of one or both of 65% or less Co and less than 30% Ni, and balance of Fe as a main component, other optional elements and unavoidable impurities, and having a primary phase of austenite phase and martensite phase induced by working. A wire is made from the alloy.

摘要翻译： 一种高强度低热膨胀合金，其重量为0.06至0.50％C，总共为25至65％，其中一种或两种为65％或更少的Co和小于30％的Ni，余量的Fe为 主要成分，其它任选元素和不可避免的杂质，并且具有通过加工诱发的奥氏体相和马氏体相的初相。 电线由合金制成。

公开(公告)号：US5660938A

公开(公告)日：1997-08-26

申请号：US623026

申请日：1996-03-28

申请人： Koji Sato ,  Takehiro Ohno ,  Katsuaki Sato ,  Tsutomu Saka

发明人： Koji Sato ,  Takehiro Ohno ,  Katsuaki Sato ,  Tsutomu Saka

IPC分类号： C22C30/00 ,  C22C38/44

CPC分类号： C22C30/00 ,  Y10T428/12424

摘要： An FE--Ni--Cr-base superalloy consists essentially of, by weight, up to 0.15% C, up to 1.0% Si, up to 3.0% Mn, 30 to 49% Ni, 10 to 18% Cr, 1.6 to 3.0% Al, one or more elements selected from Groups IVa and Va whose amount or total amount is 1.5 to 8.0%, the balance being Fe, optionally, minor amounts of other intentionally added elements, and unavoidable impurities. The optional other elements which can be intentionally added to or omitted from the alloy include Mo, W, Co, B, Mg, Ca, Re, Y and REM. The superalloy is suitable for forming engine valves, knitted mesh supporters for exhaust gas catalyzers and the like, and has excellent high-temperature strength and normal-temperature ductility after long-time heating, as well as sufficient oxidation resistance properties for these uses.

摘要翻译： FE-Ni-Cr基超合金基本上由以重量计至多0.15％C，至多1.0％Si，至多3.0％Mn，30-49％Ni，10-18％Cr，1.6-3.0％ Al，选自组数量或总量为1.5至8.0％的组IVa和Va中的一种或多种元素，余量为Fe，任选地少量其它有意添加的元素和不可避免的杂质。 可以有意添加或省略合金的其它元素包括Mo，W，Co，B，Mg，Ca，Re，Y和REM。 超合金适用于形成发动机阀，排气催化剂等的针织网支撑体，长时间加热后具有优异的高温强度和常温延展性，以及这些用途的足够的抗氧化性。