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：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。

公开(公告)号：US06966956B2

公开(公告)日：2005-11-22

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 %.

摘要翻译： 能够通过防止TCP相在高温下析出而提高强度的Ni系单晶超合金可以通过具有5.0-7.0重量％Al，4.0-8.0重量％的组成的Ni基单晶超合金 ％Ta，2.9-4.5重量％Mo，4.0-8.0重量％W，3.0-6.0重量％Re，0.01-0.50重量％Hf，2.0-5.0重量％Cr，0.1-15.0重量％Co和1.0-4.0重量％ Ru的重量比，余量由Ni和不可避免的杂质构成。 优选地，Ni基单晶超合金中的Co的组成优选为0.1-9.5重量％。

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：US08968643B2

公开(公告)日：2015-03-03

申请号：US12900896

申请日：2010-10-08

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

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

IPC分类号： C22C19/05 ,  C30B29/52

CPC分类号： C22C19/057 ,  C30B29/52

摘要： The object of the present invention is to provide an Ni-based single crystal super alloy capable of improving strength by preventing precipitation of a TCP phase at high temperatures. This object is achieved by an Ni-based single crystal super alloy having a composition comprising 5.0-7.0 wt % of Al, 4.0-10.0 wt % of Ta, 1.1-4.5 wt % of Mo, 4.0-10.0 wt % of W, 3.1-8.0 wt % of Re, 0-0.50 wt % of Hf, 2.0-5.0 wt % of Cr, 0-9.9 wt % of Co and 4.1-14.0 wt % of Ru in terms of its weight ratio, with the remainder consisting of Ni and unavoidable impurities. Furthermore, in this Ni-based single crystal super alloy, when lattice constant of matrix is taken to be a1 and lattice constant of precipitation phase is taken to be a2, a2≦0.999a1.

摘要翻译： 本发明的目的是提供一种能够通过防止TCP相在高温下析出而提高强度的Ni系单晶超合金。 该目的通过一种Ni基单晶超级合金来实现，该Ni基单晶超合金的组成包括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％的W，3.1 -8.0重量％的Re，0-0.50重量％的Hf，2.0-5.0重量％的Cr，0-9.9重量％的Co和4.1-14.0重量％的Ru，以其重量比计，其余由 Ni和不可避免的杂质。 此外，在该Ni基单晶超合金中，当将晶格的晶格常数设为a1，析出相的晶格常数取为a2时，a2＆nlE; 0.999a1。

公开(公告)号：US20060011271A1

公开(公告)日：2006-01-19

申请号：US10537477

申请日：2003-12-05

申请人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Mikiya Arai ,  Shoiu Masaki

发明人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Mikiya Arai ,  Shoiu Masaki

IPC分类号： C22C19/05

CPC分类号： C22C19/057

摘要： The object of the present invention is to provide an Ni-based single crystal super alloy capable of improving strength by preventing precipitation of a TCP phase at high temperatures. This object is achieved by an Ni-based single crystal super alloy having a composition comprising 5.0-7.0 wt % of Al, 4.0-10.0 wt % of Ta, 1.1-4.5 wt % of Mo, 4.0-10.0 wt % of W, 3.1-8.0 wt % of Re, 0-0.50 wt % of Hf, 2.0-5.0 wt % of Cr, 0-9.9 wt % of Co and 4.1-14.0 wt % of Ru in terms of its weight ratio, with the remainder consisting of Ni and unavoidable impurities.

摘要翻译： 本发明的目的是提供一种能够通过防止TCP相在高温下析出而提高强度的Ni系单晶超合金。 该目的通过一种Ni基单晶超级合金来实现，该Ni基单晶超合金的组成包括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％的W，3.1 -8.0重量％的Re，0-0.50重量％的Hf，2.0-5.0重量％的Cr，0-9.9重量％的Co和4.1-14.0重量％的Ru，以其重量比计，其余由 Ni和不可避免的杂质。

公开(公告)号：US20110262299A1

公开(公告)日：2011-10-27

申请号：US13000111

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

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 6.0% by mass of Cr, from 0% by mass to 9.9% by mass of Co, from 1.0% by mass to 14.0% by mass of Ru, and from 0.1% by mass to 4.0% by mass of Nb, 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.Specifically, the invention is to provide a high-performance Ni-based single crystal superalloy having well balanced high-temperature strength and high-temperature oxidation resistance in practical use. The invention is also to provide the Ni-based single crystal superalloy having sufficient characteristics in point of “heat treatment window” that should not be overlooked in practical use.

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6.0质量％的Cr，0质量％至9.9质量％的Co，1.0质量％至14.0质量％的Ru和0.1质量％至4.0质量％ 的Nb，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。 具体地说，本发明提供一种在实际应用中具有良好平衡的高温强度和高温抗氧化性的高性能Ni基单晶超合金。 本发明还提供在实际应用中不应忽视的“热处理窗”的具有足够特性的Ni基单晶超合金。

公开(公告)号：US08900512B2

公开(公告)日：2014-12-02

申请号：US13144748

申请日：2010-01-15

申请人： Hiroshi Harada ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Masao Sakamoto ,  Kyoko Kawagishi ,  Ikuo Okada ,  Hidataka Oguma ,  Taiji Torigoe ,  Masaki Taneike ,  Eisaku Ito ,  Junichiro Masada ,  Keizo Tsukagoshi ,  Hidemichi Koyabu

发明人： Hiroshi Harada ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Masao Sakamoto ,  Kyoko Kawagishi ,  Ikuo Okada ,  Hidataka Oguma ,  Taiji Torigoe ,  Masaki Taneike ,  Eisaku Ito ,  Junichiro Masada ,  Keizo Tsukagoshi ,  Hidemichi Koyabu

IPC分类号： C22C19/05 ,  F01D5/28 ,  C22F1/00 ,  C22F1/02 ,  C22F1/10 ,  C30B11/00 ,  C30B29/52

CPC分类号： F01D5/28 ,  C22C19/057 ,  C22F1/00 ,  C22F1/02 ,  C22F1/10 ,  C30B11/00 ,  C30B29/52 ,  F05D2300/607 ,  Y02T50/671

摘要： The Ni-based single crystal alloy disclosed here is a single crystal and has a chemical composition containing, as % by mass, Co: 8 to 12%, Cr: 5 to 7.5%, Mo: 0.2 to 1.2%, W: 5 to 7%, Al: 5 to 6.5%, Ta: 8 to 12%. Hf: 0.01 to 0.2%, Re: 2 to 4%, Si: 0.005 to 0.1%, with the balance of Ni and inevitable impurities.

摘要翻译： 这里公开的Ni系单晶合金为单晶，其化学组成为：Co：8〜12％，Cr：5〜7.5％，Mo：0.2〜1.2％，W：5〜 7％，Al：5〜6.5％，Ta：8〜12％。 Hf：0.01〜0.2％，Re：2〜4％，Si：0.005〜0.1％，余量由Ni和不可避免的杂质构成。

公开(公告)号：US20120014832A1

公开(公告)日：2012-01-19

申请号：US13144748

申请日：2010-01-15

申请人： Hiroshi Harada ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Masao Sakamoto ,  Kyoko Kawagishi ,  Ikuo Okada ,  Hidataka Oguma ,  Tøiji Torigoe ,  Masaki Taneike ,  Eisaku Ito ,  Junichiro Masada ,  Keizo Tsukagoshi ,  Hidemichi Koyabu

发明人： Hiroshi Harada ,  Tadaharu Yokokawa ,  Yutaka Koizumi ,  Toshiharu Kobayashi ,  Masao Sakamoto ,  Kyoko Kawagishi ,  Ikuo Okada ,  Hidataka Oguma ,  Tøiji Torigoe ,  Masaki Taneike ,  Eisaku Ito ,  Junichiro Masada ,  Keizo Tsukagoshi ,  Hidemichi Koyabu

IPC分类号： C22C19/05

CPC分类号： F01D5/28 ,  C22C19/057 ,  C22F1/00 ,  C22F1/02 ,  C22F1/10 ,  C30B11/00 ,  C30B29/52 ,  F05D2300/607 ,  Y02T50/671

摘要： The Ni-based single crystal alloy disclosed here is a single crystal and has a chemical composition containing, as % by mass, Co: 8 to 12%, Cr: 5 to 7.5%, Mo: 0.2 to 1.2%, W: 5 to 7%, Al: 5 to 6.5%, Ta: 8 to 12%. Hf: 0.01 to 0.2%, Re: 2 to 4%, Si: 0.005 to 0.1%, with the balance of Ni and inevitable impurities.

摘要翻译： 这里公开的Ni系单晶合金为单晶，其化学组成为：Co：8〜12％，Cr：5〜7.5％，Mo：0.2〜1.2％，W：5〜 7％，Al：5〜6.5％，Ta：8〜12％。 Hf：0.01〜0.2％，Re：2〜4％，Si：0.005〜0.1％，余量由Ni和不可避免的杂质构成。

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。