公开(公告)号：US06673308B2

公开(公告)日：2004-01-06

申请号：US09941699

申请日：2001-08-30

申请人： Takehisa Hino ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Yutaka Ishiwata ,  Yomei Yoshioka

发明人： Takehisa Hino ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Yutaka Ishiwata ,  Yomei Yoshioka

IPC分类号： C22C1905

CPC分类号： C22C19/057 ,  C22F1/10

摘要： A nickel-base single-crystal superalloy, essentially consists of, in percentages by weight, 4.0% to 11.0% of cobalt, 3.5% to less than 5.0% of chromium, 0.5% to 3.0% of molybdenum, 7.0% to 10.0% of tungsten, 4.5% to 6.0% of aluminum, 0.1% to 2.0% of titanium, 5.0% to 8.0% of tantalum, 1.0% to 3.0% of rhenium, 0.01% to 0.5% of hafnium, 0.01% to 0.1% of silicon, and a balance being nickel and inevitable impurity, a total amount of rhenium and chromium being not less than 4.0% and a total amount of rhenium, molybdenum, tungsten and chromium being not more than 18.0%.

摘要翻译： 镍基单晶超合金基本上由重量百分比计为4.0％至11.0％的钴，3.5％至小于5.0％的铬，0.5％至3.0％的钼，7.0％至10.0％的钼， 钨，4.5〜6.0％的铝，0.1〜2.0％的钛，5.0〜8.0％的钽，1.0〜3.0％的铼，0.01〜0.5％的铪，0.01〜0.1％的硅， 余量为镍和不可避免的杂质，铼和铬的总量不小于4.0％，铼，钼，钨和铬的总量不超过18.0％。

公开(公告)号：US6159314A

公开(公告)日：2000-12-12

申请号：US261230

申请日：1999-03-03

申请人： Yutaka Koizumi ,  Toshiharu Kobayashi ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Tosihiro Yamagata ,  Takehisa Hino ,  Yomei Yoshioka

发明人： Yutaka Koizumi ,  Toshiharu Kobayashi ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Tosihiro Yamagata ,  Takehisa Hino ,  Yomei Yoshioka

IPC分类号： F01D25/00 ,  C22C19/05 ,  C22F1/00 ,  C22F1/10 ,  F02C7/00

CPC分类号： C22F1/10

摘要： The invention relates to a nickel-base single-crystal superalloy applied to parts for industrial gas turbine or the like such as turbine rotor blade and stator blade which are used at high temperatures, a method for manufacturing the same, and gas turbine parts prepared from such nickel-base single-crystal superalloys, and more particularly the invention provides a nickel-base single-crystal superalloy consisting essentially of, in percentages by weight, 5% to 10% cobalt, 4.7% to 6% chromium, more than 2.0% to less than 3.5% molybdenum, 7.5% to 10% tungsten, 5% to 6% aluminum, 0.1% to 2% titanium, 4% to 5.5% tantalum, 1% to 4% rhenium, 0.01% to 0.2% hafnium, the balance being nickel and incidental impurities, which is excellent in high-temperature strength and high-temperature corrosion resistance, and further excellent in structural stability even in a long time use.

摘要翻译： 本发明涉及一种应用于工业燃气轮机等部件的镍基单晶超合金，例如在高温下使用的涡轮转子叶片和定子叶片，其制造方法，以及由 这种镍基单晶超合金，更具体地说，本发明提供了一种镍基单晶超合金，主要由重量百分比为5％至10％的钴，4.7％至6％的铬，大于2.0％ 至少于3.5％的钼，7.5％至10％的钨，5％至6％的铝，0.1％至2％的钛，4％至5.5％的钽，1％至4％的铼，0.01％至0.2％的铪， 余量为镍和附带杂质，其耐高温性和耐高温腐蚀性优异，即使长时间使用也具有优异的结构稳定性。

公开(公告)号：US06494971B1

公开(公告)日：2002-12-17

申请号：US09297041

申请日：1999-06-17

申请人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Hideyuki Murakami ,  Yoshikazu Ro ,  Yoko Yamabe ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Toshihiro Yamagata

发明人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Hideyuki Murakami ,  Yoshikazu Ro ,  Yoko Yamabe ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Toshihiro Yamagata

IPC分类号： C22C1903

CPC分类号： C22C19/03

摘要： An iridium-containing nickel-base superalloy which has an orderly arrayed allow structure to be strengthened by precipitation and contains iridium dissolved in the &ggr; and &ggr;′ phases to be strengthened by solid solution, thus being improved in high-temperature strength and resistance to high-temperature corrosion. The superalloy can be prepared by adding iridium to a general nickel-base superalloy

摘要翻译： 具有有序排列的含铱镍基超耐热合金通过沉淀而得到强化，并含有溶解在γ和γ相中的铱，被固溶强化，从而提高了高温强度和耐高温性 温度腐蚀。 超级合金可以通过将铱加入到一般的镍基超级合金中来制备

公开(公告)号：US06755921B2

公开(公告)日：2004-06-29

申请号：US10139352

申请日：2002-05-07

申请人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Toshihiro Yamagata

发明人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Shizuo Nakazawa ,  Hiroshi Harada ,  Toshihiro Yamagata

IPC分类号： C22C1905

CPC分类号： C22F1/10 ,  C22C19/057 ,  C30B11/00 ,  C30B29/52

摘要： The present inventions offer a nickel-based single crystal alloy which has a high strength, is easy in conducting the solution heat treatment, hardly gives a harmful phase and is resistant to corrosion at high temperature. A nickel-based single crystal alloy is offered where the composition consists of 7-15 of Co, 0.1-4 of Cr, 1-4 of Mo, 4-7 of W, 5.5-6.5 of Al, 5-7 of Ta, 4-5.5 of Re, 0-0.5 each of Hf and V, and 0-2 each of Ti and Nb in terms of % by weight and residual part substantially consists of Ni wherein said alloy may contain unavoidable impurities.

摘要翻译： 本发明提供了一种具有高强度的镍基单晶合金，易于进行固溶热处理，几乎不产生有害相，并且耐高温腐蚀。 提供了一种镍基单晶合金，其中组成由7-15个Co，0.1-4个Cr，1-4个Mo，4-7个W，5.5-6.5个Al，5-7个Ta， 4.5的Re，0-0.5的Hf和V，以及Ti和Nb的0-2以重量％计，剩余部分基本上由Ni组成，其中所述的合金可能含有不可避免的杂质。

公开(公告)号：US6071470A

公开(公告)日：2000-06-06

申请号：US616198

申请日：1996-03-15

申请人： Yutaka Koizumi ,  Yoko Yamabe ,  Yoshikazu Ro ,  Tomohiro Maruko ,  Shizuo Nakazawa ,  Hideyuki Murakami ,  Hiroshi Harada

发明人： Yutaka Koizumi ,  Yoko Yamabe ,  Yoshikazu Ro ,  Tomohiro Maruko ,  Shizuo Nakazawa ,  Hideyuki Murakami ,  Hiroshi Harada

IPC分类号： C22C5/04 ,  C22C27/00

CPC分类号： C22C5/04

摘要： Refractory superalloys consist essentially of a primary constituent selected from the group consisting of iridium, rhodium, and a mixture thereof, and one or more additive elements selected from the group consisting of niobium, tantalum, hafnium, zirconium, uranium, vanadium, titanium and aluminum, and the superalloys having a microstructure containing an FCC-type crystalline structure phase and an L1.sub.2 -type crystalline structure phase are precipitated. Preferably the amount of additive element(s) is 2 to 22 atom %.

摘要翻译： 耐火超级合金基本上由选自铱，铑及其混合物的一级成分和选自铌，钽，铪，锆，铀，钒，钛和铝的一种或多种添加元素组成 并且析出含有FCC型结晶相和L12型结晶结构相的微结构的超合金。 优选添加元素的量为2至22原子％。

公开(公告)号：US20110142714A1

公开(公告)日：2011-06-16

申请号：US13000815

申请日：2009-06-26

申请人： Hiroshi Harada ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Masao Sakamoto ,  Kyoko Kawagishi ,  Tomonori Kitashima ,  An-chou Yeh

发明人： Hiroshi Harada ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Masao Sakamoto ,  Kyoko Kawagishi ,  Tomonori Kitashima ,  An-chou Yeh

IPC分类号： C22C19/05 ,  C22C30/00

CPC分类号： C22C19/057

摘要： Provided is an Ni-based single crystal superalloy wherein the ingredients have a composition containing, as ratio by mass, from 5.0% by mass to 7.0% by mass of Al, from 4.0% by mass to 8.0% by mass of Ta, from 0% by mass to 2.0% by mass of Mo, from 3.0% by mass to 8.0% by mass of W, from 3.0% by mass to 8.0% by mass of Re, from 0% by mass to 0.50% by mass of Hf, from 3.0% by mass to 7.0% by mass of Cr, from 0% by mass to 9.9% by mass of Co and from 1.0% by mass to 10.0% by mass of Ru, with the balance of Ni and inevitable impurities. The alloy prevents TCP phase precipitation at high temperatures, therefore having improved strength at high temperatures and having oxidation resistance at high temperatures.The above-mentioned first-generation alloy CMSX-2 and second-generation alloy CMSX-4 are, though comparable thereto in point of creep strength at low temperatures, inferior to third-generation alloys in point of creep strength at high temperatures, since a large quantity of eutectic γ′-phase remains therein even after high-temperature solution treatment.

摘要翻译： 本发明提供一种Ni基单晶超耐热合金，其中成分具有以质量比计含有5.0质量％至7.0质量％的Al，4.0质量％至8.0质量％的Ta，0 以质量计2.0质量％，3.0质量％〜8.0质量％的W，3.0质量％〜8.0质量％的Re，0质量％〜0.50质量％的Hf， 从3.0质量％至7.0质量％的Cr，0质量％至9.9质量％的Co和1.0质量％至10.0质量％的Ru，余量为Ni和不可避免的杂质。 该合金防止高温下的TCP相沉淀，因此在高温下具有改善的强度并且在高温下具有抗氧化性。 上述第一代合金CMSX-2和第二代合金CMSX-4尽管与低温下的蠕变强度相当，但在高温下的蠕变强度方面比第三代合金低，因为 即使在高温溶液处理后，仍存在大量的共晶γ'相。

公开(公告)号：US20050051242A1

公开(公告)日：2005-03-10

申请号：US10899167

申请日：2004-07-26

申请人： Yutaka Koizumi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Mikiya Arai ,  Shoju Masaki ,  Ryoji Kakiuchi ,  Kazuyoshi Chikugo

发明人： Yutaka Koizumi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Mikiya Arai ,  Shoju Masaki ,  Ryoji Kakiuchi ,  Kazuyoshi Chikugo

IPC分类号： C22C19/05

CPC分类号： C22C19/057

摘要： A Ni-based single crystal super alloy capable of improving strength by preventing precipitation of a TCP phase at high temperatures may be obtained by a Ni-based single crystal super alloy having a composition consisting of 5.0-7.0 wt % Al, 4.0-8.0 wt % Ta, 2.9-4.5 wt % Mo, 4.0-8.0 wt % W, 3.0-6.0 wt % Re, 0.01-0.50 wt % Hf, 2.0-5.0 wt % Cr, 0.1-15.0 wt % Co and 1.0-4.0 wt % Ru in terms of its weight ratio, with the remainder consisting of Ni and unavoidable impurities. Preferably, the composition of Co in the Ni-based single crystal super alloy is limited to 0.1-9.5 wt %.

公开(公告)号：US08771440B2

公开(公告)日：2014-07-08

申请号：US12441017

申请日：2007-09-12

申请人： Akihiro Sato ,  Hiroshi Harada ,  Kyoko Kawagishi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Yasuhiro Aoki ,  Mikiya Arai ,  Kazuyoshi Chikugo ,  Shoju Masaki

发明人： Akihiro Sato ,  Hiroshi Harada ,  Kyoko Kawagishi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Yasuhiro Aoki ,  Mikiya Arai ,  Kazuyoshi Chikugo ,  Shoju Masaki

IPC分类号： C22C19/05

CPC分类号： C22C19/057 ,  C22C19/00 ,  C22C19/007 ,  C22C19/03 ,  C22F1/10

摘要： A Ni-based single crystal superalloy according to the invention has, for example, a composition including: 5.0 to 7.0 wt % of Al, 4.0 to 10.0 wt % of Ta, 1.1 to 4.5 wt % of Mo, 4.0 to 10.0 wt % of W, 3.1 to 8.0 wt % of Re, 0.0 to 2.0 wt % of Hf, 2.5 to 8.5 wt % of Cr, 0.0 to 9.9 wt % of Co, 0.0 to 4.0 wt % of Nb, and 1.0 to 14.0 wt % of Ru in terms of weight ratio; and the remainder including Ni and incidental impurities. In addition, the contents of Cr, Hf and Al are preferably set so as to satisfy the equation OP≧108. According to the Ni-based single crystal superalloy of the invention, high creep strength can be maintained and the oxidation resistance can be improved.

摘要翻译： 本发明的Ni系单晶超耐热合金例如具有以下组成：5.0〜7.0重量％的Al，4.0〜10.0重量％的Ta，1.1〜4.5重量％的Mo，4.0〜10.0重量％ W为3.1〜8.0重量％，Hf为0.0〜2.0重量％，Cr为2.5〜8.5重量％，Co为0.0〜9.9重量％，Nb为0.0〜4.0重量％，Ru为1.0〜14.0重量％ 在重量比方面; 其余包括Ni和杂质。 此外，优选将Cr，Hf，Al的含量设定为满足OP≥1010的式。 根据本发明的Ni系单晶超耐热合金，能够维持高的蠕变强度，能够提高耐氧化性。

公开(公告)号：US20100226779A1

公开(公告)日：2010-09-09

申请号：US12225254

申请日：2007-03-16

申请人： Yutaka Koizumi ,  Hiroshi Harada ,  Tadaharu Yokokawa ,  Toshiharu Kobayashi

发明人： Yutaka Koizumi ,  Hiroshi Harada ,  Tadaharu Yokokawa ,  Toshiharu Kobayashi

IPC分类号： F01D5/14 ,  C22C19/05 ,  C22C30/00 ,  B22D27/04 ,  C22F1/10 ,  C22F1/00

CPC分类号： B22D21/025 ,  C22C19/05 ,  C22C19/057 ,  C22F1/10 ,  F01D5/288 ,  F05D2300/607

摘要： A Ni-base superalloy having a chemical composition comprising Cr: 3.0-5.0 wt %, Co: 5.0-10.0 wt %, Mo: 0.5-3.0 wt %, W: 8.0-10.0 wt %, Ta: 5.0-8.0 wt %, Nb: 3.0 wt % or less, Al: 4.5-6.0 wt %, Ti: 0.1-2.0 wt %, Re: more than 3.0-4.0 wt %, Ru: 0.2-4.0 wt %, Hf: 0.01-0.2 wt %, and the balance being Ni and unavoidable impurities, a method for producing the same, and turbine blade or turbine vane components are disclosed. The Ni-base superalloy has high creep strength and textural stability under high temperature environment, and is excellent in applicability to turbine blade or turbine vane components of large-sized gas turbines.

摘要翻译： 具有Cr：3.0-5.0重量％，Co：5.0-10.0重量％，Mo：0.5-3.0重量％，W：8.0-10.0重量％，Ta：5.0-8.0重量％的化学组成的Ni基超合金， Nb：3.0重量％以下，Al：4.5〜6.0重量％，Ti：0.1〜2.0重量％，Re：3.0-4.0重量％以下，Ru：0.2〜4.0重量％，Hf：0.01-0.2重量％ 其余为Ni和不可避免的杂质，其制造方法，以及涡轮叶片或涡轮叶片部件。 Ni基超合金在高温环境下具有高蠕变强度和结构稳定性，适用于大型燃气轮机的涡轮叶片或涡轮叶片部件。

公开(公告)号：US20100143182A1

公开(公告)日：2010-06-10

申请号：US12441017

申请日：2007-09-12

申请人： Akihiro Sato ,  Hiroshi Harada ,  Kyoko Kawagishi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Yasuhiro Aoki ,  Mikiya Arai ,  Kazuyoshi Chikugo ,  Shoju Masaki

发明人： Akihiro Sato ,  Hiroshi Harada ,  Kyoko Kawagishi ,  Toshiharu Kobayashi ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Yasuhiro Aoki ,  Mikiya Arai ,  Kazuyoshi Chikugo ,  Shoju Masaki

IPC分类号： C22C19/05

CPC分类号： C22C19/057 ,  C22C19/00 ,  C22C19/007 ,  C22C19/03 ,  C22F1/10

摘要： A Ni-based single crystal superalloy according to the invention has, for example, a composition including: 5.0 to 7.0 wt % of Al, 4.0 to 10.0 wt % of Ta, 1.1 to 4.5 wt % of Mo, 4.0 to 10.0 wt % of W, 3.1 to 8.0 wt % of Re, 0.0 to 2.0 wt % of Hf, 2.5 to 8.5 wt % of Cr, 0.0 to 9.9 wt % of Co, 0.0 to 4.0 wt % of Nb, and 1.0 to 14.0 wt % of Ru in terms of weight ratio; and the remainder including Ni and incidental impurities. In addition, the contents of Cr, Hf and Al are preferably set so as to satisfy the equation OP≧108. According to the Ni-based single crystal superalloy of the invention, high creep strength can be maintained and the oxidation resistance can be improved.

摘要翻译： 本发明的Ni系单晶超耐热合金例如具有以下组成：5.0〜7.0重量％的Al，4.0〜10.0重量％的Ta，1.1〜4.5重量％的Mo，4.0〜10.0重量％ W为3.1〜8.0重量％，Hf为0.0〜2.0重量％，Cr为2.5〜8.5重量％，Co为0.0〜9.9重量％，Nb为0.0〜4.0重量％，Ru为1.0〜14.0重量％ 在重量比方面; 其余包括Ni和杂质。 此外，优选将Cr，Hf，Al的含量设定为满足OP≥1010的式。 根据本发明的Ni系单晶超耐热合金，能够维持高蠕变强度，能够提高耐氧化性。