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：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：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：US07473326B2

公开(公告)日：2009-01-06

申请号：US10509427

申请日：2003-03-27

申请人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Shouju Masaki

发明人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Shouju Masaki

IPC分类号： C22C19/07

CPC分类号： C22C19/057

摘要： A Ni-base directionally solidified superalloy and a Ni-base single-crystal superalloy, which have superior creep strength at a high temperature, consists essentially of from 5.0 percent by weight to 7.0 percent by weight of Al, from 4.0 percent by weight to 16.0 percent by weight of Ta+Nb+Ti, from 1.0 percent by weight to 4.5 percent by weight of Mo, from 4.0 percent by weight to 8.0 percent by weight of W, from 3.0 percent by weight to 8.0 percent by weight of Re, 2.0 percent by weight or less of Hf, 10.0 percent by weight or less of Cr, 15.0 percent by weight or less of Co, from 1.0 percent by weight to 4.0 percent by weight of Ru, 0.2 percent by weight or less of C, 0.03 percent by weight or less of B, and Ni and inescapable impurities as a balance. The superalloys can be used for a turbine blade, a turbine vane and the like of a jet engine, an industrial gas turbine and the like.

摘要翻译： 在高温下具有优异的蠕变强度的Ni基方向固化超合金和Ni基单晶超合金基本上由5.0重量％至7.0重量％的Al组成，4.0重量％至16.0重量％ Ta + Nb + Ti的重量％，1.0重量％〜4.5重量％的Mo，4.0重量％〜8.0重量％的W，3.0重量％〜8.0重量％的Re 2.0 重量％以下的Hf，10.0重量％以下的Cr，15.0重量％以下的Co，1.0重量％〜4.0重量％的Ru，0.2重量％以下的C，0.03重量％ 以下的B，Ni和不可避免的杂质作为平衡。 超级合金可以用于喷气发动机，工业燃气轮机等的涡轮叶片，涡轮叶片等。

公开(公告)号：US20050092398A1

公开(公告)日：2005-05-05

申请号：US10509427

申请日：2003-03-27

申请人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Shouju Masaki

发明人： Toshiharu Kobayashi ,  Yutaka Koizumi ,  Tadaharu Yokokawa ,  Hiroshi Harada ,  Yasuhiro Aoki ,  Shouju Masaki

IPC分类号： C22C19/05 ,  C30B11/00

CPC分类号： C22C19/057

摘要： A Ni-base directionally solidified superalloy and a Ni-base single-crystal superalloy, which have superior creep strength at a high temperature, consists essentially of from 5.0 percent by weight to 7.0 percent by weight of Al, from 4.0 percent by weight to 16.0 percent by weight of Ta+Nb+Ti, from 1.0 percent by weight to 4.5 percent by weight of Mo, from 4.0 percent by weight to 8.0 percent by weight of W, from 3.0 percent by weight to 8.0 percent by weight of Re, 2.0 percent by weight or less of Hf, 10.0 percent by weight or less of Cr, 15.0 percent by weight or less of Co, from 1.0 percent by weight to 4.0 percent by weight of Ru, 0.2 percent by weight or less of C, 0.03 percent by weight or less of B, and Ni and inescapable impurities as a balance. The superalloys can be used for a turbine blade, a turbine vane and the like of a jet engine, an industrial gas turbine and the like.

摘要翻译： 在高温下具有优异的蠕变强度的Ni基方向固化超合金和Ni基单晶超合金基本上由5.0重量％至7.0重量％的Al组成，4.0重量％至16.0重量％ Ta + Nb + Ti的重量％，1.0重量％〜4.5重量％的Mo，4.0重量％〜8.0重量％的W，3.0重量％〜8.0重量％的Re 2.0 重量％以下的Hf，10.0重量％以下的Cr，15.0重量％以下的Co，1.0重量％〜4.0重量％的Ru，0.2重量％以下的C，0.03重量％ 以下的B，Ni和不可避免的杂质作为平衡。 超级合金可以用于喷气发动机，工业燃气轮机等的涡轮叶片，涡轮叶片等。

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：US20080240926A1

公开(公告)日：2008-10-02

申请号：US11887221

申请日：2006-03-24

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

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

IPC分类号： F01D5/28 ,  C22C19/05 ,  C22F1/10

CPC分类号： B22D27/045 ,  F01D5/28 ,  F05D2300/121 ,  F05D2300/13 ,  F05D2300/131 ,  F05D2300/132

摘要： There is provided a Co-free Ni-base superalloy having a composition containing 1.0 to 10.0 wt % of Cr, 0.1 to 3.5 wt % of Mo, 7.5 to 10.0 wt % of W, 4.0 to 8.0 wt % of Al, 12.0 wt % or less of at least one species of Ta, Nb and Ti, 0 to 2.0 wt % of Hf, 0.1 to 5.0 wt % of Re and the remainder comprised of Ni and unavoidable impurities. The Co-free Ni-base superalloy exhibits high composition stability over a long period of time and is excellent in creep properties at high temperature, and also suitable as a turbine blade or turbine vane of atomic power generation in which maintenance for radioactive contamination and so forth are easy.

摘要翻译： 提供了一种组成为含有1.0〜10.0重量％的Cr，0.1〜3.5重量％的Mo，7.5〜10.0重量％的W，4.0〜8.0重量％的Al，12.0重量％的组成的无Co Ni基超合金， 至少一种Ta，Nb和Ti，0〜2.0重量％的Hf，0.1〜5.0重量％的Re，余量由Ni和不可避免的杂质构成。 无钴Ni基超级合金长时间表现出高的组成稳定性，并且在高温下具有优异的蠕变性能，并且也适用于原子发电的涡轮叶片或涡轮叶片，其中放射性污染等的维护 以前很容易。