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11. 发明专利

JP2015025459A 蒸気タービンのロータ有权
标题翻译：蒸汽轮机转子
公开(公告)号：JP2015025459A
公开(公告)日：2015-02-05
申请号：JP2014219739
申请日：2014-10-28
申请人：三菱重工業株式会社 , Mitsubishi Heavy Ind Ltd
发明人： NISHIMOTO SHIN , TANAKA YOSHINORI , NAKANO TAKASHI , KAWASAKI KENJI , YAMAMOTO RYUICHI
IPC分类号： F01D5/02 , F01D1/04 , F01D25/00
摘要：【課題】回転機械の迅速な起動を許容し、かつ、ロータに生じる熱応力を抑制することを課題とする。【解決手段】蒸気タービンのロータは、第一ロータ部材40と、第二ロータ部材20,30とを備える。第一ロータ部材40は、Ni基合金からなり、前記作動流体が通過する動翼を有する。第二ロータ部材20,30は、成型容易性を有する材料からなり、前記作動流体の流れの下流側において第一のロータ部材40と接合し、第一ロータ部材40との接合側に、前記作動流体が通過する動翼を有する。第一ロータ部材40と、第二ロータ部材20,30との接合部とは、同圧力域に配され、前記第一ロータ部材の動翼の段数は、前記第二ロータ部材の動翼の段数よりも多い。【選択図】図1
摘要翻译：要解决的问题：允许旋转机器的快速启动并抑制转子上产生的热应力。解决方案：蒸汽轮机的转子包括第一转子构件40和第二转子构件20,30。第一转子构件 40由Ni基合金构成，具有工作流体通过的转子叶片。第二转子构件20,30由易于成型的材料构成，在工作流体的流动的下游侧与第一转子构件接合，并且具有工作流体通过的转子叶片，第一转子构件40的第一转子构件40和第二转子构件20,30的接合部配置在相同的压力区域中，第一转子构件的转子叶片的级数大于第二转子构件。

12. 发明专利

JP2014176877A Dissimilar material joint 有权
标题翻译： DISSIMILAR材料接头
公开(公告)号：JP2014176877A
公开(公告)日：2014-09-25
申请号：JP2013052794
申请日：2013-03-15
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： KAWASAKI KENJI , NISHIMOTO SHIN , YAMAMOTO RYUICHI
IPC分类号： B23K9/23 , B23K9/00 , C22C19/05 , C22C38/00 , C22C38/54 , F01D5/06 , F01D25/00 , F02C7/00
摘要： PROBLEM TO BE SOLVED: To suppress generation of decarbonization and cementation between high Cr steel and Ni-based superalloy and to suppress diffusion of C in a dissimilar material joint formed of the high Cr steel and the Ni-based superalloy.SOLUTION: A weld joint is a dissimilar material joint in which a ferrite-based Cr steel and an austenitic Ni-based superalloy are jointed by weld. Both the ferrite-based Cr steel and the austenitic Ni-based superalloy have Cr content of 10-15 mass%. By using the ferrite-based Cr steel having the Cr content of 10-15 mass%, and the austenitic Ni-based superalloy having the Cr content of 10-15 mass%, difference of the Cr content of both alloys can be suppressed to a small amount, so that decarbonization and cementation can be avoided.
摘要翻译：要解决的问题：抑制高Cr钢和Ni基超级合金之间的脱碳和粘结的产生，并抑制由高Cr钢和Ni基超级合金形成的异种材料接合中的C的扩散。解决方案：焊接接头是铁素体Cr钢和奥氏体Ni系超合金通过焊接接合的不同材料接头。铁素体型Cr钢和奥氏体Ni系超合金都具有10-15质量％的Cr含量。通过使用Cr含量为10〜15质量％的铁素体系Cr钢和Cr含量为10〜15质量％的奥氏体系Ni系超合金，可以将两种合金的Cr含量的差异抑制为少量，从而可以避免脱碳和胶结。

13. 发明专利

JP2012176491A Bolt and method for manufacturing bolt 有权
标题翻译：用于制造螺栓的螺栓和方法
公开(公告)号：JP2012176491A
公开(公告)日：2012-09-13
申请号：JP2012101795
申请日：2012-04-26
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： TEZUKA NOBUKAZU , HIROKAWA KAZUHARU , IHARA KEISUKE , OSAWA KEI , ISHIKAWA HIROSHI , TORIGOE TAIJI , YAMAMOTO RYUICHI , HASHIMOTO YUKIHIRO , IZUTSU NOBUYUKI , TAKAHASHI KOJI
IPC分类号： B24C1/10 , B24C11/00 , F16B33/06
CPC分类号： B24C1/10 , B23G9/001 , B23P9/04 , B23P15/00 , C21D9/0093 , F01D5/066 , F05D2230/311 , F05D2230/90 , F05D2260/941 , F05D2300/211 , F05D2300/2112 , F05D2300/2261 , F16B33/06 , Y10T29/479
摘要： PROBLEM TO BE SOLVED: To surely improve the fatigue strength of a male screw by providing a surface hardening part that has increased surface hardness and that is applied with a compressive residual stress, on the surface of the male screw.SOLUTION: In a bolt having a male screw comprised of a nickel-based super alloy, a surface hardening part that has increased surface hardness and that is applied with a compressive residual stress is provided at least on a surface of the male screw, and the surface hardening part is provided by processing for abutting alumina particles having such a particle size as to pass through a mesh of mesh size #150, to at least the surface of the male screw. Furthermore, a method for manufacturing the bolt having the male screw comprised of the nickel-based super alloy includes the steps of cutting for forming the male screw, and of processing for providing the surface hardening part by abutting alumina particles having such a particle size as to pass through the mesh of mesh size #150 at least on the surface of the male screw in such a manner that surface hardness is increased and the compressive residual stress is applied.
摘要翻译：要解决的问题：通过在阳螺纹的表面上提供具有增加的表面硬度并施加有压缩残余应力的表面硬化部分来确实提高阳螺纹的疲劳强度。解决方案：在具有由镍基超级合金构成的阳螺纹的螺栓中，至少在外螺纹的表面上提供具有增加的表面硬度并施加压缩残余应力的表面硬化部分并且表面硬化部分通过将具有这种粒径的氧化铝颗粒与通过网孔尺寸＃150的网格抵接到至少外螺纹的表面的处理来提供。此外，制造具有由镍基超级合金构成的阳螺纹的螺栓的方法包括以下步骤：用于形成外螺纹的切割和通过邻接氧化铝颗粒的方式提供表面硬化部分的处理，所述氧化铝颗粒具有如至少在阳螺纹的表面上通过网孔尺寸＃150的网格，使得表面硬度增加并施加压缩残余应力。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2011231410A LOW THERMAL EXPANSION Ni-BASE SUPERALLOY 有权
标题翻译：低热膨胀Ni基超级合金
公开(公告)号：JP2011231410A
公开(公告)日：2011-11-17
申请号：JP2011153361
申请日：2011-07-11
申请人： Daido Steel Co Ltd , Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社 , 大同特殊鋼株式会社
发明人： HAMANO SHUJI , UEDA SHIGENORI , YAMAMOTO RYUICHI , KADOYA YOSHIKUNI , NAKANO TAKASHI , NISHIMOTO SHIN
IPC分类号： C22C19/05
摘要： PROBLEM TO BE SOLVED: To provide a γ' precipitation hardened type low thermal expansion Ni-base superalloy which has a thermal expansion coefficient nearly-equivalent to a ferritic 12 Cr steel, good hot workability in addition to excellent high-temperature strength, corrosion resistance and oxidation resistance, while excelling in weldability.SOLUTION: The low thermal expansion Ni-base superalloy includes, by mass%, C≤0.15%, Si≤1%, Mn≤1%, Cr
摘要翻译：要解决的问题：为了提供具有几乎等于铁素体12Cr钢的热膨胀系数的γ'析出硬化型低热膨胀Ni基超合金，除了具有优异的高温强度之外还具有良好的热加工性，耐腐蚀性和抗氧化性，同时优异的焊接性。解决方案：低热膨胀Ni基超合金以质量％计含有C≤0.15％，Si≤1％，Mn≤1％，Cr <5-20％，Mo + 1/2（W + Re ）<5-17％，W≤10％，Al = 0.1〜2.5％，Ti = 0.10〜0.95％，Nb + 1 /2Ta≤1.5％，B = 0.001-0.02％，Zr = 0.001-0.2％ ≤4.0％，Al + Ti + Nb + Ta = 2.0-6.5％（原子％），余量为Ni和不可避免的杂质。版权所有（C）2012，JPO＆INPIT

15. 发明专利

JP2008297579A Nickel-based alloy excellent in structural stability and high tension strength, and method for producing nickel-based alloy material 有权
标题翻译：基于镍的合金在结构稳定性和高张力强度方面的优异性，以及生产基于镍的合金材料的方法
公开(公告)号：JP2008297579A
公开(公告)日：2008-12-11
申请号：JP2007142866
申请日：2007-05-30
申请人： Japan Steel Works Ltd:The , Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社 , 株式会社日本製鋼所
发明人： TAKAHASHI TATSUYA , MAEDA EIJI , HATANO TAKASHI , KADOYA YOSHIKUNI , YAMAMOTO RYUICHI
IPC分类号： C22C19/05 , C22F1/00 , C22F1/10
摘要： PROBLEM TO BE SOLVED: To provide a Ni-based alloy having stable high temperature characteristic even at a using temperature of ≥700°C.
SOLUTION: This Ni-based alloy contains 0.005-0.1% C, 8-15% Cr, 1-7% Mo, 5-20% W, 0.5-1.0% Al 1.0-2.5% Ti and if desired, at least one or more kinds of ≤1.0% Nb, ≤0.015% B and ≤0.01% Mg, and the balance Ni with inevitable impurities. The structure is made stable even at high temperature of ≥700°C and the excellent high temperature characteristic is obtained. By regulating the balance of Mo and W to 0.1≤Mo/(Mo+W)≤0.5, this alloy is made more excellent in the high temperature strength, high temperature ductility and creep characteristic. By regulating the balance of Al and Ti to 0.2≤Al/Ti≤1.0, this alloy is made more excellent in the high temperature tensile characteristic and the creep characteristic.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在≥700℃的使用温度下，也提供具有稳定的高温特性的Ni基合金。解决方案：该Ni基合金含有0.005-0.1％C，8-15％Cr，1-7％Mo，5-20％W，0.5-1.0％Al 1.0-2.5％Ti，如果需要，在至少一种或以上的≤1.0％Nb，≤0.015％B和≤0.01％Mg，余量为Ni与不可避免的杂质。即使在高于700℃的高温下也能够使结构稳定，得到优异的高温特性。通过将Mo和W的平衡调节至0.1≤Mo/（Mo + W）≤0.5，该合金在高温强度，高温延展性和蠕变特性方面更加优异。通过将Al和Ti的平衡调节为0.2≤Al/Ti≤1.0，该合金在高温拉伸特性和蠕变特性方面更加优异。版权所有（C）2009，JPO＆INPIT

16. 发明专利

JP2007332412A Ni-BASED SUPERALLOY WITH LOW THERMAL EXPANSION 有权
标题翻译：具有低热膨胀性的Ni基超级合金
公开(公告)号：JP2007332412A
公开(公告)日：2007-12-27
申请号：JP2006163969
申请日：2006-06-13
申请人： Daido Steel Co Ltd , Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社 , 大同特殊鋼株式会社
发明人： HAMANO SHUJI , UEDA SHIGENORI , YAMAMOTO RYUICHI , KADOYA YOSHIKUNI , NAKANO TAKASHI , NISHIMOTO SHIN
IPC分类号： C22C19/03 , C22F1/00 , C22F1/10
CPC分类号： C22C19/056 , C22C19/055
摘要： PROBLEM TO BE SOLVED: To provide a γ' precipitation-hardening type Ni-based superalloy with low thermal expansion, which has a coefficient of thermal expansion equal to that of a ferrite-based 12Cr steel, has excellent hot workability in addition to high-temperature strength, corrosion resistance and oxidation resistance, and has excellent weldability. SOLUTION: The Ni-based superalloy with low thermal expansion has a composition comprising, by mass%, 0.15% or less C, 1% or less Si, 1% or less Mn, 5 to less than 20% Cr, 5 to less than 20% Mo+1/2(W+Re) in total, 10% or less W, 0.1 to 2.5% Al, 0.10 to 0.95% Ti, 1.5% or less Nb+1/2Ta in total, 0.001 to 0.02% B, 0.001 to 0.2% Zr, 4.0% or less Fe, 2.0 to 6.5% (atom%) Al+Ti+Nb+Ta in total, and the balance unavoidable impurities with Ni. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有与铁素体系12Cr钢相同的热膨胀系数的热膨胀系数低的γ'析出硬化型Ni系超耐热合金，另外具有优异的热加工性耐高温强度，耐腐蚀性，抗氧化性，焊接性优异。解决方案：具有低热膨胀性的Ni基超级合金的组成包括质量％为0.15％以下的C，1％以下的Si，1％以下的Mn，5以上且小于20％的Cr，5 至少少于20％的Mo + 1/2（W + Re），10％以下的W，0.1〜2.5％的Al，0.10〜0.95％的Ti，1.5％以下Nb + 1 / 2Ta，0.001〜 0.02％B，0.001〜0.2％的Zr，4.0％以下的Fe，2.0〜6.5％（原子％）Al + Ti + Nb + Ta，余量不可避免的含有Ni的杂质。版权所有（C）2008，JPO＆INPIT

17. 发明专利

JP2004052673A Erosion shield method for turbine blade, and erosion shielded turbine blade 审中-公开
公开(公告)号：JP2004052673A
公开(公告)日：2004-02-19
申请号：JP2002211442
申请日：2002-07-19
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： YAMAMOTO RYUICHI , ITO HITOMI , TOCHITANI NAOTO , OYAMA KOJI
IPC分类号： F01D5/28 , C21D1/10 , C21D9/00 , C22C38/00 , C22C38/48
CPC分类号： Y02P10/212 , Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide an erosion shield method for a low-cost and long-life turbine blade for reinforcing a part easily subjected to erosion without stress erosion cracks and delay breakage cracks, and an erosion-shielded turbine blade. SOLUTION: This erosion shield method includes: a standard heat treatment process of performing solution heat treatment for the whole of the turbine blade formed of precipitation hardening type martensitic stainless steel and then performing aging treatment; and a local hardening heat treatment process of locally rapid-heating only the blade tip part of the turbine blade above the point Ar 1 after the standard heat treatment process, holding the same in a complete austenitic range for a designated time and then rapid-quenching the same to the room temperature, and subsequently aging the same above the point Ar 3 to generate residual stress of compression in the surface layer of the blade tip part. COPYRIGHT: (C)2004,JPO

18. 发明专利

JP2014173440A Rotor for steam turbine, method of manufacturing the same, and steam turbine 有权
标题翻译：蒸汽涡轮转子，制造方法及蒸汽轮机
公开(公告)号：JP2014173440A
公开(公告)日：2014-09-22
申请号：JP2013044344
申请日：2013-03-06
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： YAMAMOTO RYUICHI , NISHIMOTO SHIN , TANAKA YOSHINORI
IPC分类号： F01D25/00 , B23K9/00 , B23K9/23 , F01D5/06
摘要： PROBLEM TO BE SOLVED: To provide a rotor for a steam turbine, which makes a durable temperature high and which makes an internal defect easily detected by an ultrasonic inspection.SOLUTION: A rotor for a steam turbine includes a rotor body part 10 that has a circular cross-sectional shape perpendicular to an axis line Ar and that has a moving blade 25 provided on an outer periphery, and rotor shaft parts 20 that are provided at both the ends of the rotor body part 10 in an axial direction Da and rotatably supported by a turbine casing 30. The rotor body part 10 is formed from an Ni group alloy or an FeNi group alloy in such a manner that a plurality of tubular rotor body members 11 are arranged in the axial direction Da and joined to one another centering on the axis line Ar.
摘要翻译：要解决的问题：提供一种用于汽轮机的转子，其使耐久温度高并且通过超声波检查容易地检测到内部缺陷。解决方案：一种用于蒸汽轮机的转子，包括转子主体部分10，其具有与轴线Ar垂直的具有设置在外周上的动叶片25的圆形截面形状，以及设置在转子主体部10的两端的轴向方向Da的转子轴部20，转子主体部分10由Ni基合金或FeNi族合金形成，使得多个管状转子本体部件11沿轴向方向Da布置，并以彼此为中心轴线Ar。

19. 发明专利

JP2009191301A Ni-BASED SUPERALLOY HAVING EXCELLENT SEGREGATION PROPERTY 有权
标题翻译：具有优良隔离性的镍基超级合金
公开(公告)号：JP2009191301A
公开(公告)日：2009-08-27
申请号：JP2008031506
申请日：2008-02-13
申请人： Japan Steel Works Ltd:The , Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社 , 株式会社日本製鋼所
发明人： OSAKI SATOSHI , TAKAHASHI TATSUYA , KAJIKAWA KOJI , MAEDA EIJI , KADOYA YOSHIKUNI , YAMAMOTO RYUICHI , NAKANO TAKASHI
IPC分类号： C22C19/05 , C22F1/00 , C22F1/10 , F01D5/02
CPC分类号： C22F1/10 , B22D7/005 , C22B9/006 , C22C19/055 , C22C19/056 , C22C19/057
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a large-sized ingot of excellent quality which includes reduced segregation and is suitable for the production of a large-sized member by reducing the occurrence of streak-shaped segregation upon the production of a stock using an Ni-based superalloy.
SOLUTION: An Ni-based superalloy includes a composition comprising 0.005 to 0.15% C, ≤0.3% Si, 8 to 22% Cr, 5 to 30% Co, 1 to 9% Mo, 5 to 20% W, 0.1 to 2.0% Al, 0.3 to 2.5% Ti, ≤0.015% B and ≤0.01% Mg, and, if required, comprising one or more selected from among ≤0.2% Zr, ≤0.8% Hf and Nb+1/2≤1.5%, and the balance Ni with inevitable impurities. By making the distribution coefficient of W remarkably promoting the occurrence of the segregation streak close to 1, the density difference between a base molten steel and a concentrated molten steel is reduced to reduce the appearance of streak-shaped segregation and thus, a large-sized ingot of excellent quality having reduced segregation and suitable for the production of a large-sized member can be produced.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种生产优质品质的大型锭的方法，其包括减少的偏析，并且适合于通过减少生产时的条纹状偏析的发生来生产大型构件的镍基超级合金。解决方案：Ni基超合金包括包含0.005至0.15％C，≤0.3％Si，8至22％Cr，5至30％Co，1至9％Mo，5至20％W，0.1 至2.0％的Al，0.3〜2.5％的Ti，≤0.015％的B和≤0.01％的Mg，如果需要，包含选自≤0.2％的Zr，≤0.8％Hf和Nb + 1 /2≤1.5中的一种或多种％，余量为Ni与不可避免的杂质。通过使W的分布系数显着促进偏析条纹的发生接近1，降低了基础钢水和浓缩钢水之间的密度差，减少了条纹状偏析的出现，因此大尺寸可以制造具有减小的偏析并且适合于生产大型构件的优质的锭。版权所有（C）2009，JPO＆INPIT

20. 发明专利

JP2005314728A METHOD FOR PRODUCING LOW THERMAL EXPANSION Ni BASED SUPERALLOY 有权
标题翻译：生产低热膨胀Ni基超级合金的方法
公开(公告)号：JP2005314728A
公开(公告)日：2005-11-10
申请号：JP2004132135
申请日：2004-04-27
申请人： Daido Steel Co Ltd , Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社 , 大同特殊鋼株式会社
发明人： UEDA SHIGENORI , NODA TOSHIHARU , YAMAMOTO RYUICHI , KADOYA YOSHIKUNI , UMAGOE RYUTARO , NISHIMOTO SHIN
IPC分类号： C22C19/03 , C22C19/05 , C22F1/00 , C22F1/10
CPC分类号： C22C19/056 , C22C19/03 , C22C19/057 , C22C19/058 , C22F1/10
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a low thermal expansion Ni based superalloy having higher high temperature creep fracture strength required. e.g., as that of a fastening bolt in a vapor turbine.
SOLUTION: An alloy having a composition comprising, by mass, ≤0.15% C, ≤1% Si, ≤1% Mn, 5 to 20% Cr, one or more kinds of metals selected from Mo, W and Re by 17 to 27% in terms of Mo+1/2(W+Re), 0.1 to 2% Al, 0.1 to 2% Ti (wherein, Nb+Ta/2:≤1.5%), ≤10% Fe, ≤5% Co, 0.001 to 0.02% B, 0.001 to 0.2% Zr, and the balance Ni with inevitable components is subjected to solution heat treatment at 1,000 to 1,200°C, is thereafter subjected to carbide stabilization treatment for agglomerating and stabilizing intergranular carbides at 850 to 2 B phase.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种要求具有较高的高温蠕变断裂强度的低热膨胀Ni基超级合金的制造方法。例如，作为蒸气涡轮机中的紧固螺栓的那些。＆lt;解决方案＆gt;一种合金，其组成包括以质量计≤0.15％C，≤1％Si，≤1％Mn，5〜20％Cr，选自Mo，W和Re中的一种或多种金属，以Mo + 1/2（W + Re），0.1〜2％的Al，0.1〜2％的Ti（其中，Nb + Ta / 2：≤1.5％），≤10％Fe，≤5 ％Co，0.001〜0.02％B，0.001〜0.2％Zr，余量为Ni的不可避免成分在1000〜1200℃下进行固溶热处理，然后进行碳化物稳定化处理，使晶粒间碳化物凝聚稳定在850℃ 在<1000℃下进行1〜50小时，进一步在720〜900℃进行1〜50小时的老化处理，析出γ'相，随后在550〜700℃下进行二次时效处理 5至100小时以沉淀出A 2 B相。版权所有（C）2006，JPO＆NCIPI

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