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1. 发明申请

US20120261038A1 LOW ALLOY STEEL FOR GEOTHERMAL POWER GENERATION TURBINE ROTOR, AND LOW ALLOY MATERIAL FOR GEOTHERMAL POWER GENERATION TURBINE ROTOR AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：用于地热发电涡轮转子的低合金钢和用于地热发电涡轮转子的低合金材料及其制造方法
公开(公告)号：US20120261038A1
公开(公告)日：2012-10-18
申请号：US13448770
申请日：2012-04-17
申请人： Satoru OHSAKI , Kazuhiro MIKI , Tsukasa AZUMA , Koji KAJIKAWA , Shigeru SUZUKI , Masayuki YAMADA , Itaru MURAKAMI , Kenichi OKUNO , Liang YAN , Reki TAKAKU , Akihiro TANIGUCHI , Tetsuya YAMANAKA , Makoto TAKAHASHI , Kenichi IMAI , Osamu WATANABE , Joji KANEKO
发明人： Satoru OHSAKI , Kazuhiro MIKI , Tsukasa AZUMA , Koji KAJIKAWA , Shigeru SUZUKI , Masayuki YAMADA , Itaru MURAKAMI , Kenichi OKUNO , Liang YAN , Reki TAKAKU , Akihiro TANIGUCHI , Tetsuya YAMANAKA , Makoto TAKAHASHI , Kenichi IMAI , Osamu WATANABE , Joji KANEKO
IPC分类号： C21D6/00 , C22C38/46
CPC分类号： C22C38/58 , C21D1/25 , C21D1/28 , C21D7/13 , C22C38/44 , C22C38/46
摘要： A low alloy steel ingot contains from 0.15 to 0.30% of C, from 0.03 to 0.2% of Si, from 0.5 to 2.0% of Mn, from 0.1 to 1.3% of Ni, from 1.5 to 3.5% of Cr, from 0.1 to 1.0% of Mo, and more than 0.15 to 0.35% of V, and optionally Ni, with a balance being Fe and unavoidable impurities. Performing quality heat treatment including a quenching step and a tempering step to the low alloy steel ingot to obtain a material, which has a grain size number of from 3 to 7 and is free from pro-eutectoid ferrite in a metallographic structure thereof, and which has a tensile strength of from 760 to 860 MPa and a fracture appearance transition temperature of not higher than 40 ° C.
摘要翻译：低合金钢锭含有0.15〜0.30％的C，0.03〜0.2％的Si，0.5〜2.0％的Mn，0.1〜1.3％的Ni，1.5〜3.5％的Cr，0.1〜1.0 的Mo，以及大于0.15至0.35％的V，以及任选的Ni，余量为Fe和不可避免的杂质。对低合金钢锭进行包括淬火步骤和回火步骤的质量热处理，以获得其金相组织中晶粒数为3至7并且不含共析铁素体的材料，并且其中拉伸强度为760〜860MPa，断裂外观转变温度为40℃以下。

2. 发明授权

US09284633B2 Heat resistant cast steel, manufacturing method thereof, cast parts of steam turbine, and manufacturing method of cast parts of steam turbine 有权
标题翻译：耐热铸钢及其制造方法，蒸汽轮机的铸件，蒸汽轮机的铸件的制造方法
公开(公告)号：US09284633B2
公开(公告)日：2016-03-15
申请号：US13336402
申请日：2011-12-23
申请人： Masayuki Yamada , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Shinji Tanaka , Kazuhiro Miki
发明人： Masayuki Yamada , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Shinji Tanaka , Kazuhiro Miki
IPC分类号： C21D8/00 , C22C38/02 , C21D1/26 , C21D1/28 , C21D6/00 , C22C38/00 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C21D9/00 , C21D9/50
CPC分类号： C22C38/02 , C21D1/26 , C21D1/28 , C21D6/002 , C21D9/0068 , C21D9/50 , C21D2211/001 , C21D2211/004 , C21D2211/008 , C22C38/001 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54
摘要： A heat resistant cast steel containing, in mass %, C: 0.05-0.15, Si: 0.03-0.2, Mn: 0.1-1.5, Ni: 0.1-1, Cr: 8-10.5, Mo: 0.2-1.5, V: 0.1-0.3, Co: 0.1-5, W: 0.1-5, N: 0.005-0.03, Nb: 0.01-0.2, B: 0.002-0.015, Ti: 0.01-0.1, Fe and unavoidable impurities. A method for manufacturing a heat resistant cast steel, the method including melting raw materials to obtain a molten metal, refining and degassing the molten metal, pouring the molten metal into a predetermined mold to form a shape, performing an annealing treatment at a temperature of 1000 to 1150° C., performing a normalizing treatment at a temperature of 1000 to 1200° C., performing a first stage tempering treatment at a temperature of 500 to 700° C., and performing a second stage tempering treatment at a temperature of 700 to 780° C.
摘要翻译：以质量％计含有C：0.05-0.15，Si：0.03-0.2，Mn：0.1-1.5，Ni：0.1-1，Cr：8-10.5，Mo：0.2-1.5，V：0.1的耐热铸钢 -0.3，Co：0.1-5，W：0.1-5，N：0.005-0.03，Nb：0.01-0.2，B：0.002-0.015，Ti：0.01-0.1，Fe和不可避免的杂质。一种制造耐热铸钢的方法，该方法包括熔化原料以获得熔融金属，精炼和脱气熔融金属，将熔融金属倒入预定的模具中以形成形状，在温度为 1000〜1150℃，在1000〜1200℃的温度下进行标准化处理，在500〜700℃的温度下进行第一阶段回火处理，在温度为 700〜780℃

3. 发明申请

US20120160373A1 FORGING HEAT RESISTANT STEEL, MANUFACTURING METHOD THEREOF, FORGED PARTS AND MANUFACTURING METHOD THEREOF 有权
标题翻译：锻造耐热钢，其制造方法，锻造部件及其制造方法
公开(公告)号：US20120160373A1
公开(公告)日：2012-06-28
申请号：US13336437
申请日：2011-12-23
申请人： Masayuki YAMADA , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Kazuhiro Miki , Tsukasa Azuma , Satoru Ohsaki
发明人： Masayuki YAMADA , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Kazuhiro Miki , Tsukasa Azuma , Satoru Ohsaki
IPC分类号： C21D8/00 , C22C38/54 , C22C38/46 , C22C38/00 , C22C38/44
CPC分类号： C22C38/44 , C21D1/25 , C21D6/02 , C21D7/13 , C21D2211/004 , C21D2211/008 , C22C38/46 , C22C38/48 , C22C38/52 , C22C38/54
摘要： A forging heat resistant steel of an embodiment contains in percent by mass C: 0.05-0.2, Si: 0.01-0.1, Mn: 0.01-0.15, Ni: 0.05-1, Cr: 8 or more and less than 10, Mo: 0.05-1, V: 0.05-0.3, Co: 1-5, W: 1-2.2, N: 0.01 or more and less than 0.015, Nb: 0.01-0.15, B: 0.003-0.03, and a remainder comprising Fe and unavoidable impurities.
摘要翻译：本实施例的锻造耐热钢以质量％计含有C：0.05〜0.2，Si：0.01-0.1，Mn：0.01-0.15，Ni：0.05-1，Cr：8以上且小于10，Mo：0.05 -1，V：0.05-0.3，Co：1-5，W：1-2.2，N：0.01以上且小于0.015，Nb：0.01-0.15，B：0.003-0.03，余量包含Fe和不可避免的杂质。

4. 发明申请

US20110088260A1 BRAZING REPAIR MATERIAL AND BRAZING REPAIRING METHOD USING THE MATERIAL 审中-公开
标题翻译：使用材料的修补修复材料和修补方法
公开(公告)号：US20110088260A1
公开(公告)日：2011-04-21
申请号：US12994396
申请日：2009-02-17
申请人： Yomei Yoshioka , Toshiaki Fuse , Daizo Saito , Reki Takaku , Kazuhiro Kitayama , Kazutoshi Ishibashi
发明人： Yomei Yoshioka , Toshiaki Fuse , Daizo Saito , Reki Takaku , Kazuhiro Kitayama , Kazutoshi Ishibashi
IPC分类号： B23P17/00 , B23K35/24 , B23K31/12 , B23K31/02 , B23K9/167
CPC分类号： B23P6/007 , B22F7/062 , B22F2998/00 , B22F2998/10 , B23K1/0018 , B23K35/0244 , B23K35/3033 , B23K35/3046 , B23K2101/001 , C22C19/05 , C22C19/07 , F01D5/005 , F05D2230/237 , F05D2230/80 , Y02T50/671 , Y02T50/6765 , Y10T29/49229 , B22F5/04 , B22F3/15 , B22F2003/248
摘要： In a brazing repair material 3 which is charged into a repairing portion of base material 1 in which a failure such as a crack 2 and corrosion is generated, diffusion heat treatment is carried out, the brazing repair material 3 is integrally bonded to the repairing portion to repair the repairing portion, the brazing repair material 3 comprises a mixture of non-molten alloy powder having a composition similar to that of the base material 1 and molten alloy powder which is melted at a temperature of the diffusion heat treatment, and the molten alloy powder is brazing repairing alloy consisting of 0.001 to 0.05 mass % of C, 2 to 5 mass % of Si, 10 to 25 mass % of Cr, 15 to 25 mass % of Co, 1 to 5 mass % of B, and balance of Ni, and excluding Al. With this configuration, a part having a failure such as a crack can restore original characteristics like the inherent base material.
摘要翻译：在将其装入其中产生裂纹2和腐蚀的故障的基材1的修复部分的钎焊修补材料3中，进行扩散热处理，钎焊修复材料3一体地结合到修复部分为了修复修补部分，钎焊修复材料3包括具有与基材1的组成相似的组成的非熔融合金粉末和在扩散热处理的温度下熔化的熔融合金粉末的混合物，并且熔融合金粉末是由C：0.001〜0.05质量％，Si：2〜5质量％，Cr：10〜25质量％，Co 15〜25质量％，B：1〜5质量％的Ni，不包括Al。利用这种构造，具有诸如裂纹的故障的部件可以恢复诸如固有基材的原始特性。

5. 发明授权

US08828313B2 Ni-base alloy for turbine rotor of steam turbine and turbine rotor of steam turbine 有权
标题翻译：蒸汽轮机的涡轮转子和蒸汽轮机的涡轮转子的镍基合金
公开(公告)号：US08828313B2
公开(公告)日：2014-09-09
申请号：US12403884
申请日：2009-03-13
申请人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kenichi Okuno , Akihiro Takakuwa
发明人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kenichi Okuno , Akihiro Takakuwa
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/055 , F01D5/02 , F05C2201/0466 , F05D2220/31 , F05D2300/502
摘要： An Ni-base alloy for a turbine rotor of a steam turbine contains in percent by weight C: 0.01 to 0.15, Cr: 15 to 28, Co: 10 to 15, Mo: 8 to 12, Al: 1.5 to 2, Ti: 0.1 to 0.6, B: 0.001 to 0.006, Re: 0.5 to 3, and the balance of Ni and unavoidable impurities.
摘要翻译：蒸汽轮机的涡轮转子用Ni基合金含有C：0.01〜0.15，Cr：15〜28，Co：10〜15，Mo：8〜12，Al：1.5〜2，Ti： 0.1〜0.6，B：0.001〜0.006，Re：0.5〜3，余量由Ni和不可避免的杂质构成。

6. 发明申请

US20090285692A1 NI-BASE ALLOY FOR TURBINE ROTOR OF STEAM TURBINE AND TURBINE ROTOR OF STEAM TURBINE 有权
标题翻译：蒸汽涡轮机涡轮转子和涡轮转子转子的NI-BASE合金
公开(公告)号：US20090285692A1
公开(公告)日：2009-11-19
申请号：US12403884
申请日：2009-03-13
申请人： Kuniyoshi NEMOTO , Kiyoshi IMAI , Yomei YOSHIOKA , Masayuki YAMADA , Reki TAKAKU , Shigekazu MIYASHITA , Takeo SUGA , Takeo TAKAHASHI , Kenichi OKUNO , Akihiro TAKAKUWA
发明人： Kuniyoshi NEMOTO , Kiyoshi IMAI , Yomei YOSHIOKA , Masayuki YAMADA , Reki TAKAKU , Shigekazu MIYASHITA , Takeo SUGA , Takeo TAKAHASHI , Kenichi OKUNO , Akihiro TAKAKUWA
IPC分类号： F01D5/28
CPC分类号： C22C19/056 , C22C19/055 , F01D5/02 , F05C2201/0466 , F05D2220/31 , F05D2300/502
摘要： An Ni-base alloy for a turbine rotor of a steam turbine contains in percent by weight C: 0.01 to 0.15, Cr: 15 to 28, Co: 10 to 15, Mo: 8 to 12, Al: 1.5 to 2, Ti: 0.1 to 0.6, B: 0.001 to 0.006, Re: 0.5 to 3, and the balance of Ni and unavoidable impurities.
摘要翻译：蒸汽轮机的涡轮转子用Ni基合金含有C：0.01〜0.15，Cr：15〜28，Co：10〜15，Mo：8〜12，Al：1.5〜2，Ti： 0.1〜0.6，B：0.001〜0.006，Re：0.5〜3，余量由Ni和不可避免的杂质构成。

7. 发明授权

US09034121B2 Low alloy steel for geothermal power generation turbine rotor, and low alloy material for geothermal power generation turbine rotor and method for manufacturing the same 有权
标题翻译：地热发电用转子用低合金钢，地热发电用转子用低合金材料及其制造方法
公开(公告)号：US09034121B2
公开(公告)日：2015-05-19
申请号：US13448770
申请日：2012-04-17
申请人： Satoru Ohsaki , Kazuhiro Miki , Tsukasa Azuma , Koji Kajikawa , Shigeru Suzuki , Masayuki Yamada , Itaru Murakami , Kenichi Okuno , Liang Yan , Reki Takaku , Akihiro Taniguchi , Tetsuya Yamanaka , Makoto Takahashi , Kenichi Imai , Osamu Watanabe , Joji Kaneko
发明人： Satoru Ohsaki , Kazuhiro Miki , Tsukasa Azuma , Koji Kajikawa , Shigeru Suzuki , Masayuki Yamada , Itaru Murakami , Kenichi Okuno , Liang Yan , Reki Takaku , Akihiro Taniguchi , Tetsuya Yamanaka , Makoto Takahashi , Kenichi Imai , Osamu Watanabe , Joji Kaneko
IPC分类号： C22C38/46 , C21D6/00 , C22C38/58 , C22C38/44 , C21D7/13 , C21D1/25 , C21D1/28
CPC分类号： C22C38/58 , C21D1/25 , C21D1/28 , C21D7/13 , C22C38/44 , C22C38/46
摘要： A low alloy steel ingot contains from 0.15 to 0.30% of C, from 0.03 to 0.2% of Si, from 0.5 to 2.0% of Mn, from 0.1 to 1.3% of Ni, from 1.5 to 3.5% of Cr, from 0.1 to 1.0% of Mo, and more than 0.15 to 0.35% of V, and optionally Ni, with a balance being Fe and unavoidable impurities. Performing quality heat treatment including a quenching step and a tempering step to the low alloy steel ingot to obtain a material, which has a grain size number of from 3 to 7 and is free from pro-eutectoid ferrite in a metallographic structure thereof, and which has a tensile strength of from 760 to 860 MPa and a fracture appearance transition temperature of not higher than 40° C.
摘要翻译：低合金钢锭含有0.15〜0.30％的C，0.03〜0.2％的Si，0.5〜2.0％的Mn，0.1〜1.3％的Ni，1.5〜3.5％的Cr，0.1〜1.0 的Mo，以及大于0.15至0.35％的V，以及任选的Ni，余量为Fe和不可避免的杂质。对低合金钢锭进行包括淬火步骤和回火步骤的质量热处理，以获得其金相组织中晶粒数为3至7并且不含共析铁素体的材料，并且其中拉伸强度为760〜860MPa，断裂外观转变温度为40℃以下。

8. 发明授权

US08999078B2 Forging heat resistant steel, manufacturing method thereof, forged parts and manufacturing method thereof 有权
标题翻译：锻造耐热钢，其制造方法，锻造件及其制造方法
公开(公告)号：US08999078B2
公开(公告)日：2015-04-07
申请号：US13336437
申请日：2011-12-23
申请人： Masayuki Yamada , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Kazuhiro Miki , Tsukasa Azuma , Satoru Ohsaki
发明人： Masayuki Yamada , Reki Takaku , Haruki Ohnishi , Kenichi Okuno , Kenichi Imai , Kazuhiro Miki , Tsukasa Azuma , Satoru Ohsaki
IPC分类号： C21D8/02 , C22C38/54 , C22C38/52 , C22C38/48 , C22C38/44 , C21D1/25 , C21D6/02 , C21D7/13 , C22C38/46
CPC分类号： C22C38/44 , C21D1/25 , C21D6/02 , C21D7/13 , C21D2211/004 , C21D2211/008 , C22C38/46 , C22C38/48 , C22C38/52 , C22C38/54
摘要： A forging heat resistant steel of an embodiment contains in percent by mass C: 0.05-0.2, Si: 0.01-0.1, Mn: 0.01-0.15, Ni: 0.05-1, Cr: 8 or more and less than 10, Mo: 0.05-1, V: 0.05-0.3, Co: 1-5, W: 1-2.2, N: 0.01 or more and less than 0.015, Nb: 0.01-0.15, B: 0.003-0.03, and a remainder comprising Fe and unavoidable impurities.
摘要翻译：本实施例的锻造耐热钢以质量％计含有C：0.05〜0.2，Si：0.01-0.1，Mn：0.01-0.15，Ni：0.05-1，Cr：8以上且小于10，Mo：0.05 -1，V：0.05-0.3，Co：1-5，W：1-2.2，N：0.01以上且小于0.015，Nb：0.01-0.15，B：0.003-0.03，余量包含Fe和不可避免的杂质。

9. 发明申请

US20110229339A1 METHOD OF MANUFACTURING STEAM TURBINE ROTOR AND STEAM TURBINE ROTOR 有权
标题翻译：制造蒸汽涡轮转子和蒸汽轮机转子的方法
公开(公告)号：US20110229339A1
公开(公告)日：2011-09-22
申请号：US13127517
申请日：2009-10-27
申请人： Masayuki Yamada , Takao Inukai , Kiyoshi Imai , Shigekazu Miyashita , Kuniyoshi Nemoto , Reki Takaku
发明人： Masayuki Yamada , Takao Inukai , Kiyoshi Imai , Shigekazu Miyashita , Kuniyoshi Nemoto , Reki Takaku
IPC分类号： F01D5/02 , B21D53/00
CPC分类号： F01D5/06 , F05D2220/31 , Y10T29/49316
摘要： A method of manufacturing a steam turbine rotor which includes an ultra-high temperature side portion in which ultra-high temperature steam flows and a high temperature side portion in which high temperature steam flows, the manufacturing method including the steps of: preparing a first electrode having a chemical composition corresponding to a chemical composition of a heat resistant alloy making up the ultra-high temperature side portion and a second electrode having a chemical composition corresponding to a chemical composition of the high temperature side portion; tentatively joining together joints of the electrodes, with the joints of the electrodes made smaller in cross sectional area than other electrode portions; subjecting the tentatively joined first and second electrodes to an ESR process to obtain an ESR ingot and forging the ingot into a shape of a rotor to obtain a rotor forging; and heat-treating the rotor forging to obtain a rotor blank and manufacturing the steam turbine rotor from the rotor blank.
摘要翻译：一种蒸汽轮机转子的制造方法，其包括超高温蒸汽流过的超高温侧部分和高温蒸汽流过的高温侧部分，所述制造方法包括以下步骤：制备第一电极具有对应于构成超高温侧部的耐热合金的化学成分的化学成分和具有与高温侧部的化学成分相当的化学成分的第二电极; 暂时将电极的接头连接在一起，电极的接头的横截面积比其他电极部分小; 对暂时接合的第一和第二电极进行ESR处理以获得ESR锭，并将铸锭锻造成转子的形状以获得转子锻造; 并对转子锻造进行热处理以获得转子坯料，并从转子坯件制造汽轮机转子。

10. 发明申请

US20090074584A1 NICKEL-BASED ALLOY FOR TURBINE ROTOR OF STEAM TURBINE AND TURBINE ROTOR OF STEAM TURBINE 审中-公开
标题翻译：用于涡轮机的涡轮转子和蒸汽轮机的涡轮转子的基于镍的合金
公开(公告)号：US20090074584A1
公开(公告)日：2009-03-19
申请号：US12210475
申请日：2008-09-15
申请人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Takeo Suga , Masafumi Fukuda , Kenichi Okuno , Akihiro Takakuwa
发明人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Takeo Suga , Masafumi Fukuda , Kenichi Okuno , Akihiro Takakuwa
IPC分类号： B64C27/46 , C22C19/05
CPC分类号： C22C19/056 , C22C19/055 , F01D5/28 , F05C2201/0466 , F05D2220/31
摘要： A Nickel-based alloy for a turbine rotor of a steam turbine contains C: 0.01 to 0.15, Cr: 18 to 28, Co: 10 to 15, Mo: 8 to 12, Al: 1.5 to 2, Ti: 0.1 to 0.6, B: 0.001 to 0.006, Ta: 0.1 to 0.7 in % by weight, and the remaining portion is composed of Ni and unavoidable impurities. The Nickel-based alloy is composed of the above-stated chemical composition range, and thereby, a mechanical strength improves while maintaining forgeability as same as a conventional steel.
摘要翻译：用于汽轮机的涡轮转子的镍基合金含有C：0.01〜0.15，Cr：18〜28，Co：10〜15，Mo：8〜12，Al：1.5〜2，Ti：0.1〜0.6， B：0.001〜0.006，Ta：0.1〜0.7重量％，剩余部分由Ni和不可避免的杂质构成。镍基合金由上述化学组成范围组成，从而与现有的钢一样保持锻造性，同时提高机械强度。

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