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公开(公告)号：US5944922A
公开(公告)日：1999-08-31
申请号：US40826
申请日：1998-03-18
CPC分类号： C22C38/52 , C21D6/004 , C22C38/001 , C22C38/54 , F01D5/28 , Y02T50/672
摘要： The present invention discloses ferritic heat resisting steels for manufacturing a rotor or a disk of a gas turbine, which have high creep rupture strength at high temperatures and excellent tenacity at room ordinary temperatures. The highly tenacious ferritic heat resisting steels contain, by weight, carbon of 0.08 to 0.25%, silicon of 0.5% or lower, manganese of 1.0% or lower, nickel exceeding 1.0% and lower than 3.0%, chromium of 9.0 to 12.5%, molybdenum exceeding 0.3% and lower than 1.5%, tungsten of 1.0 to 3.0%, vanadium of 0.10 to 0.35%, niobium of 0.02 to 0.10%, nitrogen of 0.01 to 0.80%, boron of 0.001 to 0.01% and cobalt of 1.0 to 5.0%, and a remaining part is mostly iron. Its structure is composed of a tempered martensite matrix.
摘要翻译： 本发明公开了一种用于制造燃气轮机的转子或盘的铁素体耐热钢，其在高温下具有高的蠕变断裂强度和在常温下具有优异的韧性。 高度顽固的铁素体耐热钢含有0.08-0.25％的碳，0.5％以下的硅，1.0％以下的锰，超过1.0％且低于3.0％的镍，9.0〜12.5％的铬， 钼超过0.3％且低于1.5％，钨为1.0〜3.0％，钒为0.10〜0.35％，铌为0.02〜0.10％，氮为0.01〜0.80％，硼为0.001〜0.01％，钴为1.0〜5.0 ％，剩下的部分大部分是铁。 其结构由回火马氏体组成。
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公开(公告)号：US5817192A
公开(公告)日：1998-10-06
申请号：US737834
申请日：1996-11-21
摘要： This invention relates to a high-strength and high-toughness heat-resisting steel formed from a heat-resisting steel containing, on a weight percentage basis, 0.08 to 0.25% carbon, up to 0.10% silicon, up to 0.10% manganese, 0.05 to 1.0% nickel, 10.0 to 12.5% chromium, 0.6 to 1.9% molybdenum, 1.0 to 1.95% tungsten, 0.10 to 0.35% vanadium, 0.02 to 0.10% niobium, 0.01 to 0.08% nitrogen, 0.001 to 0.01% boron, and 2.0 to 8.0% cobalt, the balance being substantially iron, and having a structure consisting of a tempered martensite matrix.
摘要翻译： PCT No.PCT / JP96 / 00981 Sec。 371日期：1996年11月21日 102（e）1996年11月21日PCT PCT 1996年4月10日PCT公布。 出版物WO96 / 32517 日本特开1996年10月17日本发明涉及由耐热钢形成的高强度高韧性耐热钢，其以重量百分比计含有0.08-0.25％的碳，至多0.10％的硅，直到 0.10％锰，0.05〜1.0％镍，10.0〜12.5％铬，0.6〜1.9％的钼，1.0〜1.95％的钨，0.10〜0.35％的钒，0.02〜0.10％的铌，0.01〜0.08％的氮，0.001〜0.01％ 硼和2.0〜8.0％的钴，余量基本上为铁，并且具有由回火马氏体基体组成的结构。
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公开(公告)号：US5798082A
公开(公告)日：1998-08-25
申请号：US846171
申请日：1997-04-28
IPC分类号： C21D6/00 , C22C38/00 , C22C38/22 , C22C38/26 , C22C38/30 , C22C38/32 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/54
摘要： There are provided high-strength and high-toughness heat-resistant cast steels applicable to steam turbine casings, precision cast vanes and valves. There is disclosed a high-strength and high-toughness heat-resistant cast steel formed of a heat-resistant cast steel consisting of, based on weight percentage: 0.08 to 0.25% of carbon; more than 0.1 not more than 0.5% of silicon; 1% or less of manganese; 0.05 to 1% of nickel; 9 to 12% of chromium; 0.3 to 1.5% of molybdenum; 1 to 1.95% of tungsten; 0.1 to 0.35% of vanadium; 0.02 to 0.1% of niobium; 0.01 to 0.08% of nitrogen; 0.001 to 0.01% of boron; and 2 to 8% of cobalt; the balance substantially being iron; and having a martensite matrix structure.
摘要翻译： 提供适用于汽轮机外壳，精密铸造叶片和阀门的高强度，高韧性耐热铸钢。 公开了由耐热铸钢形成的高强度高韧性耐热铸钢，其重量百分比为0.08〜0.25％的碳; 大于0.1％不超过0.5％的硅; 1％以下的锰; 0.05〜1％的镍; 9〜12％的铬; 0.3〜1.5％的钼; 1〜1.95％的钨; 0.1〜0.35％的钒; 0.02〜0.1％的铌; 0.01〜0.08％的氮气; 0.001〜0.01％的硼; 和2〜8％的钴; 余额基本上是铁; 并具有马氏体矩阵结构。
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公开(公告)号：US6106766A
公开(公告)日：2000-08-22
申请号：US236636
申请日：1999-01-26
申请人： Hisataka Kawai , Yoshikuni Kadoya , Koji Takahashi , Ryotaro Magoshi , Yasuhiko Yasumoto , Tomohiro Tsuchiyama
发明人： Hisataka Kawai , Yoshikuni Kadoya , Koji Takahashi , Ryotaro Magoshi , Yasuhiko Yasumoto , Tomohiro Tsuchiyama
CPC分类号： F01D5/28 , C22C38/001 , C22C38/44 , C22C38/46 , C22C38/48
摘要： A material for a gas turbine disk comprises 0.05 to 0.15 wt % of carbon, 0.10 wt % or less of silicon, 0.40 wt % or less of manganese, 9.0 to 12.0 wt % of chromium, 1.0 to 3.5 wt % of nickel, 0.50 to 0.90 wt % of molybdenum, 1.0 to 2.0 wt % of tungsten, 0.10 to 0.30 wt % of vanadium, 0.01 to 0.10 wt % of niobium, 0.01 to 0.05 wt % of nitrogen, and a remainder comprising iron and unavoidable impurities, wherein the contents of nickel, molybdenum and tungsten satisfy a relationship -1.5 wt %.ltoreq.Mo+W/2-Ni.ltoreq.0.7 wt %. Accordingly, unlike conventional gas turbine disk materials such as a heat resisting steel of 12Cr-type which can be used in an operation at about 400.degree. C., but has reduced toughness and high-temperature creep characteristics in an operation at about 500.degree. C., this material is allowed to have a satisfactory toughness and excellent high-temperature creep characteristics and can be suitably used at high temperatures.
摘要翻译： 用于燃气轮机盘的材料包括0.05至0.15重量％的碳，0.10重量％或更少的硅，0.40重量％或更少的锰，9.0至12.0重量％的铬，1.0至3.5重量％的镍，0.50至 钼的0.90重量％，钨的1.0〜2.0重量％，钒的0.10〜0.30重量％，铌的0.01〜0.10重量％，氮的0.01〜0.05重量％，余量由铁和不可避免的杂质构成，其中， 的镍，钼和钨满足关系-1.5重量％，Mo + W / 2-Ni <0.7重量％。 因此，不同于常规的燃气轮机盘材料，例如可在约400℃操作的12Cr型耐热钢，但在约500℃的操作中具有降低的韧性和高温蠕变特性 该材料具有令人满意的韧性和优异的高温蠕变特性，并且可以在高温下适当使用。
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公开(公告)号：US07160400B2
公开(公告)日：2007-01-09
申请号：US10255716
申请日：2002-09-27
申请人： Ryotaro Magoshi , Hisataka Kawai , Yoshikuni Kadoya , Ryuichi Yamamoto , Toshiharu Noda , Susumu Isobe , Michio Okabe
发明人： Ryotaro Magoshi , Hisataka Kawai , Yoshikuni Kadoya , Ryuichi Yamamoto , Toshiharu Noda , Susumu Isobe , Michio Okabe
IPC分类号： C22C19/05
摘要： A low thermal expansion Ni-base superalloy contains, by weight % (hereinafter the same as long as not particularly defined) C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5 to 20%; at least one of Mo, W and Re of Mo+½(W+Re) of 17 (exclusive) to 25%; Al: 0.2 to 2%; Ti: 0.5 to 4.5%; Fe of 10% or less; at least one of B: 0.02% and Zr: 0.2% or less; a remainder of Ni and inevitable impurities; wherein the atomic % of Al+Ti is 2.5 to 7.0.
摘要翻译： 低热膨胀性Ni基超合金含有按重量％计（以下有时没有特别限定）C：0.15％以下; Si：1％以下; Mn：1％以下; Cr：5〜20％; Mo，W和Re的至少一种Mo +½（W + Re）为17（独占）至25％; Al：0.2〜2％ Ti：0.5〜4.5％ 10％以下的Fe; B：0.02％和Zr：0.2％以下中的至少一种; 剩余的Ni和不可避免的杂质; 其中Al + Ti的原子％为2.5〜7.0。
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6.发明授权公开(公告)号：US06423432B1
公开(公告)日：2002-07-23
申请号：US09438724
申请日：1999-11-11
申请人： Taiji Torigoe , Hisataka Kawai , Koji Takahashi
发明人： Taiji Torigoe , Hisataka Kawai , Koji Takahashi
IPC分类号： B32B1500
CPC分类号： C23C10/02 , Y10T428/12576 , Y10T428/265
摘要： A high temperature corrosion-resistant and abrasion-resistant coated member or part which is suitable for use under a severe high temperature corrosive and severe abrasive environment and in flying particles, and a manufacturing method thereof are provided. A manufacturing method of a high temperature corrosion-resistant and abrasion-resistant coated member wherein an Al diffusion and infiltration treatment is performed after a chromium carbide coating has been applied onto the surface of a base material, or wherein a chromium carbide coating layer whose outside surface is an Al diffusion layer is formed on the surface of the base material, and a gas turbine blade comprising the above member are provided.
摘要翻译： 提供适用于严酷的高温腐蚀性和严重的磨蚀环境和飞粒子的高温耐腐蚀和耐磨涂层的部件或部件及其制造方法。 一种高耐蚀耐磨涂层构件的制造方法，其中在将碳化铬涂层施加到基材的表面上之后进行Al扩散和渗透处理，或者其外部的碳化铬涂层 表面是在基材的表面上形成Al扩散层，并且设置包括上述构件的燃气轮机叶片。
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公开(公告)号：US5516381A
公开(公告)日：1996-05-14
申请号：US377925
申请日：1995-01-25
申请人： Hisataka Kawai , Ikuo Okada , Ichiro Tsuji , Koji Takahashi , Kensho Sahira , Akira Mitsuhashi
发明人： Hisataka Kawai , Ikuo Okada , Ichiro Tsuji , Koji Takahashi , Kensho Sahira , Akira Mitsuhashi
IPC分类号： C22C19/05
CPC分类号： C22C19/056
摘要： A rotating blade or stationary vane of a gas turbine which is made of a nickel alloy containing Cr, Co, Mo, W, Ta, Al, Ti, C, B, Zr, and one or both of Mg and Ca. Additionally, the alloy may contain Hf, Pt, Rh and Re.
摘要翻译： 由含有Cr，Co，Mo，W，Ta，Al，Ti，C，B，Zr以及Mg和Ca中的一种或两者的镍合金制成的燃气轮机的旋转叶片或固定叶片。 此外，合金可以含有Hf，Pt，Rh和Re。
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公开(公告)号：US06132535A
公开(公告)日：2000-10-17
申请号：US428785
申请日：1999-10-28
申请人： Ikuo Okada , Taiji Torigoe , Hisataka Kawai , Koji Takahashi , Itaru Tamura , Shyuichi Sakashita
发明人： Ikuo Okada , Taiji Torigoe , Hisataka Kawai , Koji Takahashi , Itaru Tamura , Shyuichi Sakashita
CPC分类号： C22C19/058 , C22C19/055 , C22C19/056 , C22F1/10
摘要： Provided is a process for improving alloy properties which can improve the high-temperature ductility of a Ni-base heat-resisting alloy while maintaining its excellent high-temperature strength and weldability. Specifically, it relates to a process for the heat treatment of a Ni-base heat-resisting alloy having a specific composition which comprises the steps of subjecting the alloy to a first-stage solution treatment by keeping it at a specific temperature for a specific period of time; cooling the alloy to a second-stage solution treatment temperature at a specific cooling rate; subjecting the alloy to a second-stage solution treatment by keeping it at a specific temperature for a specific period of time; cooling the alloy rapidly to room temperature at a specific cooling rate; subjecting the alloy to a stabilizing treatment by keeping it at a specific temperature for a specific period of time; cooling the alloy rapidly to room temperature at a specific cooling rate; and subjecting the alloy to an aging treatment by keeping it at a specific temperature for a specific period of time.
摘要翻译： 提供了一种提高合金性能的方法，其可以在保持其优异的高温强度和可焊性的同时提高Ni基耐热合金的高温延展性。 具体而言，涉及具有特定组成的Ni基耐热合金的热处理方法，该方法包括以下步骤：使合金进行第一阶段固溶处理，将其保持在特定温度下一段特定的时间 的时间 以合适的冷却速度将合金冷却至第二阶段固溶处理温度; 通过将合金保持在特定温度一段时间来对合金进行第二阶段溶液处理; 以合适的冷却速度将合金快速冷却至室温; 通过将合金保持在特定温度一段特定的时间来对合金进行稳定处理; 以合适的冷却速度将合金快速冷却至室温; 并通过将其保持在特定温度一段时间来对合金进行时效处理。
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公开(公告)号：US06548161B1
公开(公告)日：2003-04-15
申请号：US09313349
申请日：1999-05-18
IPC分类号： B32B9100
CPC分类号： F01D25/007 , C23C4/06 , C23C4/18 , F01D5/288 , F02C7/30 , Y02T50/672 , Y10T428/26
摘要： Provided is high temperature equipment, such as gas turbine high temperature portion, usable in high temperature corrosion environment due to corrosive components and in erosion environment due to flying particles. Coating layer (2) in which Cr3C2 is finely dispersed in matrix MCrAlY, where weight ratio of MCrAlY/Cr3C2 is 1/1 to 3/1, is formed on base material (1) as sprayed coating and then diffusion heat treatment is added.
摘要翻译： 提供了诸如燃气轮机高温部分的高温设备，由于腐蚀性部件而可能在高温腐蚀环境中以及由于飞散的颗粒引起的侵蚀环境。 在基材（1）上形成Cr3C2细分散在基体MCrAlY中的MCrAlY（MCrAlY / Cr3C2的重量比为1/1〜3/1）的涂层（2），然后添加扩散热处理。
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公开(公告)号：US5431750A
公开(公告)日：1995-07-11
申请号：US901241
申请日：1992-06-19
申请人： Hisataka Kawai , Ikuo Okada , Ichiro Tsuji , Koji Takahashi , Kensho Sahira , Akira Mitsuhashi
发明人： Hisataka Kawai , Ikuo Okada , Ichiro Tsuji , Koji Takahashi , Kensho Sahira , Akira Mitsuhashi
IPC分类号： C22C19/05
CPC分类号： C22C19/056
摘要： The improved nickel-base heat-resistant alloy consists of 13.1-15.0% Cr (all percentages that follows are by weight), 8.5-10.5% Co, 1.0-3.5% Mo, 3.5-4.5% W, 3.0-5.5% Ta, 3.5-4.5% Al, 2.2-3.2% Ti, 0.06-0.12% C, 0.005-0.025% B, 0.010-0.05% Zr and 1-100 ppm of Mg and/or Ca, in the optional presence of 0-1.5% Hf and/or 0-0.5% of at least one element of Pt, Rh and Re, with the remainder being Ni and incidental impurities. The alloy has high strength and high resistance to oxidation and corrosion at elevated temperatures and, hence, is suitable for use as a constituent material for machine parts that are to be exposed to elevated temperatures.
摘要翻译： 改进的镍基耐热合金由13.1-15.0％的Cr（以下重量百分比），8.5-10.5％Co，1.0-3.5％Mo，3.5-4.5％W，3.0-5.5％Ta， 3.5-4.5％Al，2.2-3.2％Ti，0.06-0.12％C，0.005-0.025％B，0.010-0.05％Zr和1-100ppm Mg和/或Ca，任选存在0-1.5％ Hf和/或0-0.5％的Pt，Rh和Re中的至少一种元素，其余为Ni和杂质。 该合金在高温下具有高强度和高抗氧化和腐蚀性，因此适用于要暴露于高温的机器部件的组成材料。
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