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1. 发明申请

US20070163682A1 Ni-based superalloy having high oxidation resistance and gas turbine part 审中-公开
标题翻译：具有高抗氧化性的Ni基超级合金和燃气轮机部件
公开(公告)号：US20070163682A1
公开(公告)日：2007-07-19
申请号：US11591561
申请日：2006-11-02
申请人： Hideki Tamaki , Akira Yoshinari , Akira Okayama , Tsuyoshi Takano , Hiroyuki Doi
发明人： Hideki Tamaki , Akira Yoshinari , Akira Okayama , Tsuyoshi Takano , Hiroyuki Doi
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/057
摘要： A Ni-based alloy hardened with the γ phase, which is able to exhibit not only superior strength at high temperatures, but also excellent hot corrosion resistance and oxidation resistance at high temperatures in spite of containing no Re or reducing the amount of Re. The Ni-based superalloy contains, by weight, C: 0.01 to 0.5%, B: 0.01 to 0.04%, Hf: 0.1 to 2.5%, Co: 0.8 to 15%, Ta: more than 0% but less than 8.5%, Cr: 1.5 to 16%, Mo: more than 0% but less than 1.0%, W: 5 to 14%, Ti: 0.1 to 4.75%, Al: 2.5 to 7%, Nb: more than 0 % but less than 4%, V: 0 to less than 1.0%, Zr: 0 to less than 0.1%, Re: 0 to less than 9%, at least one of platinum group elements: 0 to less than 0.5% in total, at least one of rare earth elements: 0 to less than 0.1% in total, and the rest being Ni except for unavoidable impurities.
摘要翻译：使用γ相硬化的Ni基合金，不仅在高温下不仅表现出优异的强度，而且在高温下也能表现出优异的耐热腐蚀性和耐氧化性，尽管不含Re或减少Re的量。 Ni基超合金含有C：0.01〜0.5％，B：0.01〜0.04％，Hf：0.1〜2.5％，Co：0.8〜15％，Ta：0％以上且小于8.5％ Cr：1.5〜16％，Mo：大于0％但小于1.0％，W：5〜14％，Ti：0.1〜4.75％，Al：2.5〜7％，Nb：大于0％％，V：0〜小于1.0％，Zr：0〜小于0.1％，Re：0〜小于9％，铂族元素中的至少一种：0〜小于0.5％稀土元素总计为0〜小于0.1％，其余为Ni，不含不可避免的杂质。

2. 发明授权

US07169241B2 Ni-based superalloy having high oxidation resistance and gas turbine part 有权
标题翻译：具有高抗氧化性的Ni基超级合金和燃气轮机部件
公开(公告)号：US07169241B2
公开(公告)日：2007-01-30
申请号：US10804065
申请日：2004-03-19
申请人： Hideki Tamaki , Akira Yoshinari , Akira Okayama , Tsuyoshi Takano , Hiroyuki Doi
发明人： Hideki Tamaki , Akira Yoshinari , Akira Okayama , Tsuyoshi Takano , Hiroyuki Doi
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/057
摘要： A Ni-based alloy hardened with the γ′ phase, which is able to exhibit not only superior strength at high temperatures, but also excellent hot corrosion resistance and oxidation resistance at high temperatures in spite of containing no Re or reducing the amount of Re. The Ni-based superalloy contains, by weight, C: 0.01 to 0.5%, B: 0.01 to 0.04%, Hf: 0.1 to 2.5%, Co: 0.8 to 15%, Ta: more than 0% but less than 8.5%, Cr: 1.5 to 16%, Mo: more than 0% but less than 1.0%, W: 5 to 14%, Ti: 0.1 to 4.75%, Al: 2.5 to 7%, Nb: more than 0% but less than 4%, V: 0 to less than 1.0%, Zr: 0 to less than 0.1%, Re: 0 to less than 9%, at least one of platinum group elements: 0 to less than 0.5% in total, at least one of rare earth elements: 0 to less than 0.1% in total, and the rest being Ni except for unavoidable impurities.
摘要翻译：用γ-相硬化的Ni基合金，不仅在高温下不仅表现出优异的强度，而且在高温下也表现出优异的耐热腐蚀性和抗氧化性，尽管不含Re或减少Re的量。 Ni基超合金含有C：0.01〜0.5％，B：0.01〜0.04％，Hf：0.1〜2.5％，Co：0.8〜15％，Ta：0％以上且小于8.5％ Cr：1.5〜16％，Mo：大于0％但小于1.0％，W：5〜14％，Ti：0.1〜4.75％，Al：2.5〜7％，Nb：大于0％％，V：0〜小于1.0％，Zr：0〜小于0.1％，Re：0〜小于9％，铂族元素中的至少一种：0〜小于0.5％稀土元素总计为0〜小于0.1％，其余为Ni，不含不可避免的杂质。

3. 发明授权

US06818077B2 High-strength Ni-base superalloy and gas turbine blades 有权
标题翻译：高强度镍基超级合金和燃气轮机叶片
公开(公告)号：US06818077B2
公开(公告)日：2004-11-16
申请号：US10429801
申请日：2003-05-06
申请人： Akira Yoshinari , Hideki Tamaki , Hiroyuki Doi
发明人： Akira Yoshinari , Hideki Tamaki , Hiroyuki Doi
IPC分类号： C22C1905
CPC分类号： C22C19/058 , C22C19/056
摘要： A nickel-based superalloy containing 12.0 to 16.0% by weight of Cr, 4.0 to 9.0% by weight of Co, 3.4 to 4.6% by weight of Al, 0.5 to 1.6% by weight of Nb, 0.05 to 0.16% by weight of C, 0.005 to 0.025% by weight of B, and at least one of Ti, Ta and Mo. Amounts of Ti, Ta and Mo are ones calculated by the equations (1) and (2), wherein TiEq is 4.0 to 6.0 and MoEq is 5.0 to 8.0. TiEq=Ti % by weight+0.5153×Nb % by weight+0.2647×Ta % by weight (1) MoEq−Mo % by weight+0.5217×W % by weight+0.5303×Ta % by weight+1.0326×Nb % by weight (2)
摘要翻译：含有12.0〜16.0重量％的Cr，4.0〜9.0重量％的Co，3.4〜4.6重量％的Al，0.5〜1.6重量％的Nb，0.05〜0.16重量％的C的镍系超合金，0.005〜0.025重量％的B，以及Ti，Ta和Mo中的至少一种，Ti，Ta和Mo中的至少一个是通过式（1）和（2）计算的，TiEq为4.0〜6.0，MoEq 为5.0〜8.0。

4. 发明授权

US08883072B2 Ni-base alloy, high-temperature member for steam turbine and welded rotor for turbine using the same, and method for manufacturing the same 有权
标题翻译：镍基合金，蒸汽轮机的高温部件和使用其的涡轮机的焊接转子及其制造方法
公开(公告)号：US08883072B2
公开(公告)日：2014-11-11
申请号：US12551884
申请日：2009-09-01
申请人： Jun Sato , Shinya Imano , Hiroyuki Doi
发明人： Jun Sato , Shinya Imano , Hiroyuki Doi
IPC分类号： C21D1/18 , F01D5/06 , B23K35/30 , C22F1/10 , B23K35/00 , C22C19/05 , C22C38/00 , C22C30/00
CPC分类号： C22C19/055 , B23K35/004 , B23K35/304 , B23K2101/001 , C22C19/056 , C22F1/10 , F01D5/063 , Y02T50/671
摘要： The present invention provides, in a γ′ phase precipitation strengthening type Ni-base alloy, an alloy excellent in heat treatment capability and weldability and suitable for joint with a ferritic steel. Further, the present invention provides a welded turbine rotor having the strength, ductility, and toughness simultaneously over the whole welded structure when a precipitation strengthening type Ni-base alloy having a heatproof temperature of 675° C. or higher is joined to a ferritic steel.A Ni-base alloy according to the present invention contains cobalt, chromium, aluminum, carbon, boron, and at least either tungsten or molybdenum with the remainder being nickel and inevitable impurities, having an alloy composition including 12 to 25 percent by mass of Co, 10 to 18 percent by mass of Cr, 2.0 to 3.6 percent by mass of Al, 0.01 to 0.15 percent by mass of C, 0.001 to 0.03 percent by mass of B, the total amount of tungsten and molybdenum being 5.0 to 10 percent by mass.A welded turbine rotor is structured by joining or building up by welding a second Ni-base alloy to a first Ni-base alloy that a γ′ phase solid solution temperature thereof is 900° C. or higher and a creep fracture strength at 675° C. is 100 MPa or more, and further welding a ferritic steel to the second Ni-base alloy. The second Ni-base alloy is a γ′ phase (Ni3Al) precipitation strengthening type Ni-base alloy, a γ′ phase solid solution temperature thereof is 850° C. or lower.
摘要翻译：本发明在γ-相析出强化型Ni基合金中提供了热处理能力和焊接性优异的合金，适用于与铁素体钢接合的合金。此外，本发明提供了一种在整个焊接结构中具有强度，延展性和韧性的焊接式涡轮转子，当耐热温度为675℃以上的析出强化型Ni基合金与铁素体钢。根据本发明的镍基合金包含钴，铬，铝，碳，硼，以及至少钨或钼，其余为镍和不可避免的杂质，其合金组成包含12〜25质量％的Co ，10〜18质量％的Cr，2.0〜3.6质量％的Al，0.01〜0.15质量％的C，0.001〜0.03质量％的B，钨和钼的总量为5.0〜10质量％质量焊接的涡轮转子通过将第二Ni基合金焊接到γ'相固相温度为900℃以上的第一Ni基合金和675°的蠕变断裂强度下， C为100MPa以上，进一步将铁素体钢焊接到第二Ni基合金。第二Ni基合金是γ'相（Ni3Al）析出强化型Ni基合金，γ'相固溶温度为850℃以下。

5. 发明授权

US08524149B2 Nickel base wrought alloy 有权
标题翻译：镍基锻造合金
公开(公告)号：US08524149B2
公开(公告)日：2013-09-03
申请号：US12728292
申请日：2010-03-22
申请人： Jun Sato , Shinya Imano , Hiroyuki Doi
发明人： Jun Sato , Shinya Imano , Hiroyuki Doi
IPC分类号： C22C19/05 , C22C30/00
CPC分类号： C22C19/055
摘要： A nickel base alloy includes: by mass, 0.001 to 0.1% of carbon; 12 to 23% of chromium; 15 to 25% of cobalt; 3.5 to 5.0% of aluminum; 4 to 12% of molybdenum; 0.1 to 7.0% of tungsten; and a total amount of Ti, Ta and Nb being not more than 0.5%. A parameter Ps represented by a formula (1) shown below is 0.6 to 1.6, Ps=−7×[C]−0.1×[Mo]+0.5×[Al] (1) where [C] indicates an amount of carbon; [Mo] indicates an amount of molybdenum; and [Al] indicates an amount of aluminum, by mass percent.
摘要翻译：镍基合金包括：质量计，0.001〜0.1％的碳; 12〜23％的铬; 15〜25％的钴; 3.5〜5.0％的铝; 4〜12％的钼; 0.1〜7.0％的钨; Ti，Ta和Nb的总量不大于0.5％。由下式（1）表示的参数Ps为0.6〜1.6，Ps = -7×[C] -0.1×[Mo] + 0.5×[Al]（1）其中，[C]表示碳数; [Mo]表示钼的量; 和[Al]表示铝的质量％。

6. 发明授权

US08512488B2 Ni—Fe based forging superalloy excellent in high-temperature strength and high-temperature ductility, method of manufacturing the same, and steam turbine rotor 有权
标题翻译：高温强度高温延展性优良的Ni-Fe基锻造超合金，制造方法及汽轮机转子
公开(公告)号：US08512488B2
公开(公告)日：2013-08-20
申请号：US11836900
申请日：2007-08-10
申请人： Shinya Imano , Hirotsugu Kawanaka , Hiroyuki Doi , Tatsuya Takahashi , Tsukasa Azuma , Koji Kajikawa
发明人： Shinya Imano , Hirotsugu Kawanaka , Hiroyuki Doi , Tatsuya Takahashi , Tsukasa Azuma , Koji Kajikawa
IPC分类号： C22F1/10 , C22C19/05 , F01D5/14
CPC分类号： C22C19/05 , C22F1/10
摘要： An Ni—Fe based superalloy forging material including 30 to 40 wt % of Fe, 14 to 16 wt % of Cr, 1.2 to 1.7 wt % of Ti, 1.1 to 1.5 wt % of Al, 1.9 to 2.2 wt % of Nb, 0.05 wt % or less of C and the remainder of Ni and inevitable impurities is solution-treated and aged, and thereby γ′ phase (Ni3Al) having an initial mean particle size of about 50 to about 100 nm is precipitated. This superalloy is excellent in high-temperature strength and high-temperature ductility and can produce a large forged product of 10 ton or more. Therefore, this material is suitable for use as the material of a steam turbine rotor having a main steam temperature of 650° C. or more.
摘要翻译：包含Fe：30〜40重量％，Cr：14〜16重量％，Ti：1.2〜1.7重量％，Al：1.1〜1.5重量％，Nb：1.9〜2.2重量％，Ni：重量％以下的C和余量的Ni和不可避免的杂质进行溶液处理和老化，由此沉淀出初始平均粒度为约50〜约100nm的γ'相（Ni3Al）。该超合金具有优异的高温强度和高温延展性，可生产10吨以上的大型锻造产品。因此，该材料适用于主蒸汽温度为650℃以上的汽轮机转子的材料。

7. 发明授权

US08444778B2 Low-thermal-expansion Ni-based super-heat-resistant alloy for boiler and having excellent high-temperature strength, and boiler component and boiler component production method using the same 有权
标题翻译：用于锅炉的低热膨胀Ni基超耐热合金并具有优异的高温强度，以及使用其的锅炉部件和锅炉部件生产方法
公开(公告)号：US08444778B2
公开(公告)日：2013-05-21
申请号：US12675688
申请日：2008-08-29
申请人： Toshihiro Uehara , Takehiro Ohno , Akihiro Toji , Takashi Sato , Gang Bao , Shinya Imano , Hiroyuki Doi
发明人： Toshihiro Uehara , Takehiro Ohno , Akihiro Toji , Takashi Sato , Gang Bao , Shinya Imano , Hiroyuki Doi
IPC分类号： C22C19/05 , C22F1/10
CPC分类号： C22C19/055 , C22F1/10 , F28F21/083
摘要： Disclosed is a low-thermal-expansion Ni-based super-heat-resistant alloy for a boiler, which has excellent high-temperature strength. The alloy can be welded without the need of carrying out any aging treatment. The alloy has a Vickers hardness value of 240 or less. The alloy comprises (by mass) C in an amount of 0.2% or less, Si in an amount of 0.5% or less, Mn in an amount of 0.5% or less, Cr in an amount of 10 to 24%, one or both of Mo and W in such an amount satisfying the following formula: Mo+0.5 W=5 to 17%, Al in an amount of 0.5 to 2.0%, Ti in an amount of 1.0 to 3.0%, Fe in an amount of 10% or less, and one or both of B and Zr in an amount of 0.02% or less (excluding 0%) for B and in an amount of 0.2% or less (excluding 0%) for Zr, with the remainder being 48 to 78% of Ni and unavoidable impurities.
摘要翻译：公开了一种用于锅炉的低热膨胀Ni基超耐热合金，其具有优异的高温强度。可以焊接合金，而不需要进行任何时效处理。该合金的维氏硬度值为240以下。该合金含有0.2质量％以下的Si（以质量计），0.5％以下的Si，0.5％以下的Mn，10〜24％的Cr，1种或2种的Mo和W的量满足下式：Mo + 0.5W = 5〜17％，Al为0.5〜2.0％，Ti为1.0〜3.0％，Fe为10％以下的B和Zr中的一种或两种，B的含量为0.02％以下（不包括0％），Zr的含量为0.2％以下（不含0％），余量为48〜78 ％的Ni和不可避免的杂质。

8. 发明授权

US08043068B2 Ni-Fe based super alloy, process of producing the same and gas turbine 有权
标题翻译： Ni-Fe基超级合金，其制造方法和燃气轮机
公开(公告)号：US08043068B2
公开(公告)日：2011-10-25
申请号：US11206131
申请日：2005-08-18
申请人： Shinya Imano , Hiroyuki Doi , Isao Takehara , Shigeo Sakurai
发明人： Shinya Imano , Hiroyuki Doi , Isao Takehara , Shigeo Sakurai
IPC分类号： F01D5/14
CPC分类号： C22C19/056 , C22C19/058 , C22F1/10 , F01D5/02 , F01D25/005
摘要： A Ni—Fe based super alloy having high strength and toughness at high temperatures even when used in high-temperature environments, and a process of producing the super alloy. A turbine disk using the super alloy, a process of producing the turbine disk, a turbine spacer using the super alloy, and a process of producing the turbine spacer, as well as a gas turbine are also provided. The Ni—Fe based super alloy contains not more than 0.03% by weight of C, 14-18% of Cr, 15-45% of Fe, 0.5-2.0% of Al, not more than 0.05% of N, 0.5 to 2.0% of Ti, 1.5-5.0% of Nb, and Ni as a main ingredient.
摘要翻译：即使在高温环境下使用时，也能够在高温下具有高强度和韧性的Ni-Fe系超合金，以及超合金的制造方法。还提供了使用超级合金的涡轮盘，制造涡轮盘的方法，使用超级合金的涡轮间隔件，以及制造涡轮间隔件的工艺以及燃气轮机。 Ni-Fe基超合金含有不超过0.03重量％的Cr，14-18％的Cr，15-45％的Fe，0.5-2.0％的Al，不超过0.05的N，0.5-2.0 Ti的％，Nb的1.5〜5.0％，Ni为主要成分。

9. 发明申请

US20110014035A1 HIGH-RELIABILITY TURBINE METAL SEALING MATERIAL 有权
标题翻译：高可靠性涡轮金属密封材料
公开(公告)号：US20110014035A1
公开(公告)日：2011-01-20
申请号：US12825525
申请日：2010-06-29
申请人： Yoshitaka KOJIMA , Hideyuki Arikawa , Akira Mebata , Hiroyuki Doi , Hajime Toriya , Kenjiro Narita
发明人： Yoshitaka KOJIMA , Hideyuki Arikawa , Akira Mebata , Hiroyuki Doi , Hajime Toriya , Kenjiro Narita
IPC分类号： F01D11/00
CPC分类号： F01D11/02 , C22C19/00 , C22C19/058 , C22C19/07 , C23C4/073 , C23C28/02 , C23C30/00 , F01D11/001 , F01D11/122 , F05D2220/31 , F05D2300/509 , Y10T428/249961 , Y10T428/249974 , Y10T428/249981 , Y10T428/249989
摘要： A metal sealing material used in a sealing device which can reduce a gap between a stator and a rotor of a turbine. The metal sealing material used in a sealing device for a stator and a rotor of a turbine includes a surface layer and a lower layer composed of a porous metal layer, wherein the porosity of the surface layer is smaller than the porosity of the lower layer; the porosity of the surface layer is 60 to 65% and the porosity of the lower layer is 67 to 75% or less; and the porous metal layer has a thickness of 0.3 to 3.0 mm and may include, as a main component, an MCrAlY alloy where M is either one of Ni and Co or both thereof, and h-BN as a solid lubricant.
摘要翻译：用于密封装置中的金属密封材料，其可以减小定子和涡轮机的转子之间的间隙。用于定子的密封装置和涡轮机的转子的金属密封材料包括表面层和由多孔金属层构成的下层，其中表面层的孔隙率小于下层的孔隙率; 表面层的孔隙率为60〜65％，下层的孔隙率为67〜75％以下。多孔金属层的厚度为0.3〜3.0mm，作为主要成分，可以举出M是Ni和Co中的任一种或两者的MCrAlY合金以及作为固体润滑剂的h-BN。

10. 发明申请

US20100059146A1 NI-BASE ALLOY, HIGH-TEMPERATURE MEMBER FOR STEAM TURBINE AND WELDED ROTOR FOR TURBINE USING THE SAME, AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译： NI-BASE合金，用于蒸汽涡轮机的高温部件和使用该涡轮机的涡轮机的焊接转子及其制造方法
公开(公告)号：US20100059146A1
公开(公告)日：2010-03-11
申请号：US12551884
申请日：2009-09-01
申请人： Jun Sato , Shinya Imano , Hiroyuki Doi
发明人： Jun Sato , Shinya Imano , Hiroyuki Doi
IPC分类号： C21D1/18 , C22C19/05 , C22C38/00 , C22C30/00
CPC分类号： C22C19/055 , B23K35/004 , B23K35/304 , B23K2101/001 , C22C19/056 , C22F1/10 , F01D5/063 , Y02T50/671
摘要： The present invention provides, in a γ′ phase precipitation strengthening type Ni-base alloy, an alloy excellent in heat treatment capability and weldability and suitable for joint with a ferritic steel. Further, the present invention provides a welded turbine rotor having the strength, ductility, and toughness simultaneously over the whole welded structure when a precipitation strengthening type Ni-base alloy having a heatproof temperature of 675° C. or higher is joined to a ferritic steel.A Ni-base alloy according to the present invention contains cobalt, chromium, aluminum, carbon, boron, and at least either tungsten or molybdenum with the remainder being nickel and inevitable impurities, having an alloy composition including 12 to 25 percent by mass of Co, 10 to 18 percent by mass of Cr, 2.0 to 3.6 percent by mass of Al, 0.01 to 0.15 percent by mass of C, 0.001 to 0.03 percent by mass of B, the total amount of tungsten and molybdenum being 5.0 to 10 percent by mass.A welded turbine rotor is structured by joining or building up by welding a second Ni-base alloy to a first Ni-base alloy that a γ′ phase solid solution temperature thereof is 900° C. or higher and a creep fracture strength at 675° C. is 100 MPa or more, and further welding a ferritic steel to the second Ni-base alloy. The second Ni-base alloy is a γ′ phase (Ni3Al) precipitation strengthening type Ni-base alloy, a γ′ phase solid solution temperature thereof is 850° C. or lower.
摘要翻译：本发明在γ-相析出强化型Ni基合金中提供了热处理能力和焊接性优异的合金，适用于与铁素体钢接合的合金。此外，本发明提供了一种在整个焊接结构中具有强度，延展性和韧性的焊接式涡轮转子，当耐热温度为675℃以上的析出强化型Ni基合金与铁素体钢。根据本发明的镍基合金包含钴，铬，铝，碳，硼，以及至少钨或钼，其余为镍和不可避免的杂质，其合金组成包含12〜25质量％的Co ，10〜18质量％的Cr，2.0〜3.6质量％的Al，0.01〜0.15质量％的C，0.001〜0.03质量％的B，钨和钼的总量为5.0〜10质量％质量焊接的涡轮转子通过将第二Ni基合金焊接到γ'相固相温度为900℃以上的第一Ni基合金和675°的蠕变断裂强度下， C为100MPa以上，进一步将铁素体钢焊接到第二Ni基合金。第二Ni基合金是γ'相（Ni3Al）析出强化型Ni基合金，γ'相固溶温度为850℃以下。

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