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11. 发明专利

JP2013027920A Heat resistant alloy member, method for manufacturing the same, and method for repairing the same 有权
标题翻译：耐热合金构件及其制造方法及其修复方法
公开(公告)号：JP2013027920A
公开(公告)日：2013-02-07
申请号：JP2011239453
申请日：2011-10-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAMOSHIDA HIROKI , KONNO SHINYA , YOSHIDA TAKEHIKO , PARK SEUNG HWAN
IPC分类号： B22D29/00 , B23K20/12 , C21D6/00 , C22F1/00 , C22F1/10
CPC分类号： B23K20/1255 , B23K20/1275 , B23K2203/02 , B23K2203/04 , B23K2203/05 , B23K2203/08 , B23K2203/26
摘要： PROBLEM TO BE SOLVED: To provide a heat resistant alloy member that maintains the creep strength and improves the fatigue characteristics.SOLUTION: The heat resistant alloy member includes a recrystallized structure layer including finer grains on a surface of the member than those inside of the member. The recrystallized structure layer is formed by forming a stirred layer by giving processing strain to the surface of the member using a friction stir processing, and applying recrystallization heat treatment to the stirred layer for recrystallization.
摘要翻译：要解决的问题：提供一种保持蠕变强度并改善疲劳特性的耐热合金构件。解决方案：耐热合金构件包括在构件的表面上比构件内部包含更细颗粒的再结晶结构层。通过使用摩擦搅拌处理对构件表面施加加工应变，形成搅拌层而形成再结晶结构层，对搅拌层进行再结晶热处理。版权所有（C）2013，JPO＆INPIT

12. 发明专利

JP2010174360A Hydrogen embrittlement resistant material, and method for producing the same 审中-公开
标题翻译：氢抗菌材料及其制造方法
公开(公告)号：JP2010174360A
公开(公告)日：2010-08-12
申请号：JP2009021195
申请日：2009-02-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAMOSHIDA HIROKI , KONNO SHINYA
IPC分类号： C22C38/00 , C21D1/34 , C21D6/00 , C22C19/05 , C22F1/00 , C22F1/10 , F17C1/00 , F17C5/06
CPC分类号： C22C30/00 , C21D6/00 , C21D6/001 , C21D8/105 , C21D9/14 , C22C19/05 , C22F1/16
摘要： PROBLEM TO BE SOLVED: To provide a hydrogen embrittlement resistant pipe which has hydrogen embrittlement resistance and high strength compatibly, and prevents the rapid deterioration of functions due to the degradation of surface characteristics and the peeling of a coating, and to provide a method for producing the hydrogen embrittlement resistant pipe. SOLUTION: The material is formed of an Ni based alloy or an Fe-Ni based alloy, and includes an aged portion and a hydrogen embrittlement suppression layer exposed to hydrogen. The hydrogen embrittlement suppression layer has a value of ≥0.9 by a hydrogen embrittlement index defined by a ratio between an elongation after a hydrogen charge and an elongation before a hydrogen charge, and the tensile strength of the aged portion is >1,000 MPa. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供耐氢脆性和高强度兼容性的耐氢脆性管，并且防止由于表面特性的劣化和涂层的剥离引起的功能的快速劣化，并且提供生产耐氢脆管的方法。解决方案：该材料由Ni基合金或Fe-Ni基合金形成，并且包括暴露于氢的老化部分和氢脆性抑制层。氢脆化抑制层的氢脆性指数通过氢充填后的伸长率与氢气充填前的伸长率之间的比例而定义，老化部的拉伸强度> 1000MPa，具有≥0.9的值。版权所有（C）2010，JPO＆INPIT

13. 发明专利

JP2009185683A Method for inhibiting corrosion of gas turbine high temperature member 审中-公开
标题翻译：用于抑制气体涡轮机高温成员腐蚀的方法
公开(公告)号：JP2009185683A
公开(公告)日：2009-08-20
申请号：JP2008026252
申请日：2008-02-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAMOSHIDA HIROKI , TAMAOKI HIDEKI
IPC分类号： F01D25/00 , F02C7/00
摘要： PROBLEM TO BE SOLVED: To inhibit corrosion of a gas turbine high temperature member by setting a melting point of alkali sulfate formed on a surface of the gas turbine high temperature member higher than the maximum temperature of the gas turbine high temperature member.
SOLUTION: In this method for inhibiting corrosion of the gas turbine high temperature member, the melting point of the alkali sulfate formed on the surface of the gas turbine high temperature member is raised by adding organic compound containing potassium and one or more kinds of potassium compounds selected from inorganic compounds containing potassium into combustion gas to increase ratio of potassium sulfate as compared to eutectic crystal composition of sodium sulfate and potassium sulfate formed in combustion gas.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过设定高于燃气轮机高温部件的最高温度的燃气轮机高温部件的表面上形成的碱硫酸盐的熔点，来抑制燃气轮机高温部件的腐蚀。解决方案：在这种用于抑制燃气轮机高温部件的腐蚀的方法中，通过加入含有钾和一种或多种的有机化合物来提高在燃气轮机高温部件的表面上形成的碱金属硫酸盐的熔点的钾化合物选自含钾的燃烧气体中的无机化合物，以增加硫酸钾与燃烧气体中形成的硫酸钠和硫酸钾的共晶体组成的比例。版权所有（C）2009，JPO＆INPIT

14. 发明专利

JP2014095101A Ni-BASED CASTING ALLOY AND STEAM TURBINE CASTING MEMBER USING THE SAME 有权
标题翻译：镍基铸造合金和蒸汽涡轮铸件会员使用它
公开(公告)号：JP2014095101A
公开(公告)日：2014-05-22
申请号：JP2012245469
申请日：2012-11-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAMOSHIDA HIROKI , KONNO SHINYA , MURATA KENICHI
IPC分类号： C22C19/05 , F01D25/00 , F01D25/24 , F01D25/26
CPC分类号： C22C19/055 , C22C19/056 , Y10T428/12
摘要： PROBLEM TO BE SOLVED: To provide a Ni-based alloy having a composition so that variation in strength depending on place is minimized even when a solidification rate becomes slow and a microsegregation becomes large when manufacturing large product by casting.SOLUTION: The Ni-based casting alloy has a composition containing, by mass%, C of 0.001% to 0.1%, Cr of 15% to 23%, Mo of 0% to 11.5%, W of 3% to 18%, Fe ot 5% or less, Co of 10% or less, Ti of 0.4% or less, Al of 0.4% or less, and Nb and Ta of 0.5%≤Nb+Ta≤4.15% and the balance inevitable impurities and Ni, and satisfying 7%≤Mo+1/2 W≤13%.
摘要翻译：要解决的问题：提供一种具有如下组成的Ni基合金，即使当通过铸造制造大量产品时，即使固化速度变慢并且微偏析变大，也使得随着位置的强度变化最小化。解决方案：Ni基铸造合金具有以质量％计含有0.001％至0.1％的C，15％至23％的Cr，0％至11.5％的Mo，3％至18％的W，5％或更少的Fe， Co为10％以下，Ti为0.4％以下，Al为0.4％以下，Nb，Ta为0.5％≤Nb+Ta≤4.15％，余量为不可避免的杂质和Ni，满足7％≤Mo+ 1/2W≤13％。

15. 发明专利

JP2014051698A Ni-BASED FORGING ALLOY, AND GAS TURBINE USING THE SAME 审中-公开
标题翻译：镍基锻造合金和使用其的气体涡轮机
公开(公告)号：JP2014051698A
公开(公告)日：2014-03-20
申请号：JP2012195660
申请日：2012-09-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIBAYAMA TAKASHI , KONNO SHINYA , KAMOSHIDA HIROKI , KUROKI HIDETOSHI , SATO JUN
IPC分类号： C22C19/05 , B21J5/00 , B21K1/32
CPC分类号： F01D5/147 , C22C19/055 , C22C19/056 , F01D5/02 , F01D5/066 , F01D5/28 , F05D2300/176 , Y02T50/671
摘要： PROBLEM TO BE SOLVED: To provide a Ni-based forging alloy easy in hot forging and grain refining while having both excellent high temperature strength and segregation properties.SOLUTION: A Ni-based forging alloy has a solid solubility temperature of a precipitation strengthening phase of 970°C or lower and a solid solubility temperature difference between a δ phase and the precipitation strengthening phase of 50°C or more, and contains, by mass%, Al:0.5 to 1.0%, Cr:17 to 21%, Fe:17 to 19%, Nb:4.5 to 5.5%, Ti:0.8 to 1.3%, W:3.0 to 6.0%, B:0.001 to 0.03%, C:0.001 to 0.1%, Mo:1.0% or less and the balance Ni with inevitable impurities.
摘要翻译：要解决的问题：提供易于热锻和晶粒细化的Ni基锻造合金，同时具有优异的高温强度和偏析性。解决方案：Ni基锻造合金具有沉淀强化相的固溶度温度 970℃以下，δ相与析出强化相之间的固溶度温度差为50℃以上，以质量％计含有Al：0.5〜1.0％，Cr：17〜21％，Fe： 17〜19％，Nb：4.5〜5.5％，Ti：0.8〜1.3％，W：3.0〜6.0％，B：0.001〜0.03％，C：0.001〜0.1％，Mo：1.0％有不可避免的杂质。

16. 发明专利

JP2012136999A Titanium alloy turbine blade 有权
标题翻译：钛合金涡轮叶片
公开(公告)号：JP2012136999A
公开(公告)日：2012-07-19
申请号：JP2010289354
申请日：2010-12-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KONNO SHINYA , KAMOSHIDA HIROKI , HIRANO SATOSHI , MURATA KENICHI , PARK SEUNG HWAN , ASAI KUNIO , YOSHIDA TAKEHIKO
IPC分类号： F01D5/28 , C22C14/00 , F01D25/00 , F02C7/00
CPC分类号： F01D5/14 , F01D5/28 , F01D5/286 , F05D2300/174 , F05D2300/506 , Y02T50/671
摘要： PROBLEM TO BE SOLVED: To provide a titanium alloy turbine blade having both superior erosion resistance and high long term reliability.SOLUTION: The turbine blade is made of an α-β titanium alloy as a base material, the base material having an average Vickers hardness of 320 Hv or less. The turbine blade is characterized in that a friction stir processing region having a thickness of from 0.5 to 3.0 mm is formed on a part of a surface including an leading edge of the turbine blade, and the friction stir processing region has an average Vickers hardness of 340 Hv or more.
摘要翻译：要解决的问题：提供具有优异的耐侵蚀性和高长期可靠性的钛合金涡轮叶片。解决方案：涡轮叶片由α-β钛合金作为基材制成，基体材料的平均维氏硬度为320Hv以下。涡轮叶片的特征在于，在包括涡轮叶片的前缘的表面的一部分上形成厚度为0.5至3.0mm的摩擦搅拌处理区域，并且摩擦搅拌处理区域具有平均维氏硬度 340 Hv以上。版权所有（C）2012，JPO＆INPIT

17. 发明专利

JP2011084812A HIGH-STRENGTH Ni-BASED FORGED SUPERALLOY, AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：高强度Ni基锻造的超级合金及其制造方法
公开(公告)号：JP2011084812A
公开(公告)日：2011-04-28
申请号：JP2010205741
申请日：2010-09-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAMOSHIDA HIROKI , KONNO SHINYA
IPC分类号： C22C19/05 , C22F1/00 , C22F1/10 , F01D5/28 , F01D25/00
CPC分类号： C22C19/056 , C22C19/055 , C22F1/10
摘要： PROBLEM TO BE SOLVED: To provide a high-strength heat-resistant Ni-based forged alloy in which each crystal grain size of a polycrystal is made large so as to increase the strength of creep, and simultaneously, deterioration in the ductility of the polycrystal is suppressed, and to provide a method for producing the same. SOLUTION: The Ni-based forged superalloy has a composition comprising 0.005 to 0.2% C, 0 to 1% Si, 0 to 1% Mn, 10 to 24% Cr, at least one kind selected from Mo and W by 5 to 17% in the provision of [Mo concentration]+0.5[W concentration], 0.5 to 2% Al, 1 to 3.5% Ti, 0 to 10% Fe and at least one kind selected from 0.002 to 0.02% B and 0.01 to 0.2% Zr, and the balance Ni of 48 to 80% with inevitable impurities. The superalloy is composed of a polycrystal, and the average grain size of the crystals after heat treatment is 72 to 289 μm. In the superalloy, a plurality of precipitates are precipitated along crystal grain boundaries after the heat treatment, and the average length of the precipitated in the optional cross-section of the polycrystal is 0.5 to 2.5 μm. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供使多晶体的每个晶粒尺寸增大以提高蠕变强度的高强度耐热Ni基锻造合金，并且同时延展性的劣化抑制多晶体，并提供其制造方法。解决方案：Ni系锻造超合金具有含有0.005〜0.2％的C，0〜1％的Si，0〜1％的Mn，10〜24％的Cr，选自Mo和W中的至少1种，至[17]，提供[Mo浓度] +0.5 [W浓度]，0.5-2％Al，1至3.5％Ti，0至10％Fe和至少一种选自0.002至0.02％B和0.01至 0.2％Zr，余量为48〜80％的不可避免的杂质。超合金由多晶构成，热处理后的结晶的平均粒径为72〜289μm。在该高温合金中，在热处理后，沿晶界析出多个析出物，在多晶体的任意截面中析出的平均长度为0.5〜2.5μm。版权所有（C）2011，JPO＆INPIT

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