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1. 发明专利

JP2014169702A Shroud for gas turbine having ceramic abradable coating 有权
标题翻译：具有陶瓷可磨损涂层的气体涡轮机
公开(公告)号：JP2014169702A
公开(公告)日：2014-09-18
申请号：JP2014113185
申请日：2014-05-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOJIMA YOSHIYUKI , ARIKAWA HIDEYUKI , MEHATA TERU , KASUYA TADASHI , DOI HIROYUKI , ICHIKAWA KUNIHIRO , ENDO TAKAO , MIKAZUKI KAZUTO , KUROKI HIDETOSHI
IPC分类号： F01D11/02 , F02C7/24 , F02C7/28
CPC分类号： F01D11/122 , F05D2230/311 , F05D2240/11 , F05D2300/514 , F05D2300/522 , Y10T29/49323
摘要： PROBLEM TO BE SOLVED: To provide a shroud for a gas turbine including ceramic abradable coating excellent in abradable property and durability.SOLUTION: Ceramic abradable coating for a gas turbine comprises a heat-shielding ceramic layer and a porous ceramic abradable layer (hardness RC15Y: 80±3), a slit groove is provided in the porous ceramic abradable layer by machine work, and a slit groove width divided by the slit groove is 0.5-5 mm. Consequently, abradable property, heat cycle and durability against high temperature oxidation become excellent.
摘要翻译：要解决的问题：提供一种用于燃气轮机的护罩，其包括耐磨性和耐久性优异的陶瓷耐磨涂层。解决方案：用于燃气轮机的陶瓷耐磨涂层包括隔热陶瓷层和多孔陶瓷耐磨层（硬度RC15Y： 80±3），通过机加工在多孔陶瓷耐磨层中设置狭缝槽，并且由狭缝槽分割的狭缝槽宽度为0.5〜5mm。因此，可耐磨性，热循环性和对高温氧化的耐久性变得优异。

2. 发明专利

JP2013249487A Gas turbine blade for power generation and gas turbine for power generation 有权
标题翻译：用于发电的气体涡轮叶片和用于发电的气体涡轮机
公开(公告)号：JP2013249487A
公开(公告)日：2013-12-12
申请号：JP2012122810
申请日：2012-05-30
申请人： Hitachi Ltd , 株式会社日立製作所 , Hokkaido Univ , 国立大学法人北海道大学
发明人： IZUMI TAKASHI , ARIKAWA HIDEYUKI , KOJIMA YOSHIYUKI , MEHATA TERU , KASUYA TADASHI , NARITA TOSHIO
IPC分类号： C23C28/00 , C22C19/05 , C23C10/28
CPC分类号： F01D5/288 , C23C28/321 , C23C28/3215 , C23C28/3455 , C23C28/347
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine blade for power generation having a thermal barrier coating formed by a thermal spraying method without loss of a function of a diffusion barrier layer.SOLUTION: A gas turbine blade for power generation is used which includes a blade substrate formed with a single-crystal heat-resistant alloy including C: 0.06 to 0.08%, B: 0.016 to 0.035%, Hf: 0.2 to 0.3%, Cr: 6.9 to 7.3%, Mo: 0.7 to 1.0%, W: 7.0 to 9.0%, Re: 1.2 to 1.6%, Ta: 8.5 to 9.5%, Nb: 0.6 to 1.0%, Al: 4.9 to 5.2%, Co: 0.8 to 1.2%, and the remainder substantially consisting of Ni in weight basis, and includes a diffusion barrier layer, a metal layer, a bond coat, and a top coat, stacked in order from a blade substrate side on a surface of the blade substrate, the metal layer having a thickness of 5 to 30 μm.
摘要翻译：要解决的问题：提供一种用于发电的燃气轮机叶片，其具有通过热喷涂方法形成的热障涂层而不丧失扩散阻挡层的功能。解决方案：使用用于发电的燃气轮机叶片，其包括由C：0.06〜0.08％，B：0.016〜0.035％，Hf：0.2〜0.3％，Cr：6.9〜7.3％，Mo：0.7〜1.0％，W：0.7〜1.0％的单晶耐热合金形成的刀片基板， 7.0〜9.0％，Re：1.2〜1.6％，Ta：8.5〜9.5％，Nb：0.6〜1.0％，Al：4.9〜5.2％，Co：0.8〜1.2％，余量基本上由Ni构成，并且包括从叶片基板侧的叶片基板的表面上依次层叠的扩散阻挡层，金属层，接合涂层和顶涂层，所述金属层的厚度为5〜30μm。

3. 发明专利

JP2013064365A Member having abradable coating, and gas turbine 有权
标题翻译：会员有不可磨损的涂层和气体涡轮
公开(公告)号：JP2013064365A
公开(公告)日：2013-04-11
申请号：JP2011204046
申请日：2011-09-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ARIKAWA HIDEYUKI , MEHATA TERU , KOJIMA YOSHIYUKI , ICHIKAWA KUNIHIRO , KASUYA TADASHI
IPC分类号： F01D9/02 , F01D9/04 , F01D11/08 , F02C7/18 , F02C7/28
摘要： PROBLEM TO BE SOLVED: To provide a member having an abradable coating which is made compatible in an abradable property and an antioxidative property, and to provide a gas turbine using the member.SOLUTION: The member having the abradable coating includes: an air hole communicating from its base material to its surface in the abradable coating so as to suppress wear caused by high-temperature oxidation by the abradable coating; and a structure where some of cooled air in the member is made to flow out through a cooling hole formed at the member and a communication air hole formed in the abradable coating.
摘要翻译：要解决的问题：提供具有可磨损性能和抗氧化性能相容的可磨损涂层的部件，并提供使用该部件的燃气轮机。具有可磨损涂层的构件包括：在可磨损涂层中从其基材连接到其表面的空气孔，以便抑制由耐磨涂层引起的高温氧化造成的磨损; 以及使构件中的一些冷却空气通过形成在构件上的冷却孔流出的结构和形成在可磨损涂层中的连通空气孔。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012092824A Gas turbine shroud with ceramic abradable coating 有权
标题翻译：气体涡轮机与陶瓷可磨损涂层
公开(公告)号：JP2012092824A
公开(公告)日：2012-05-17
申请号：JP2011210084
申请日：2011-09-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOJIMA YOSHIYUKI , ARIKAWA HIDEYUKI , MEHATA TERU , KASUYA TADASHI , DOI HIROYUKI , ICHIKAWA KUNIHIRO , ENDO TAKAO , MIKAZUKI KAZUTO , KUROKI HIDETOSHI
IPC分类号： F02C7/00 , F01D11/08 , F02C7/28
CPC分类号： F01D11/122 , F05D2230/311 , F05D2240/11 , F05D2300/514 , F05D2300/522 , Y10T29/49323
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine shroud including a ceramic abradable coating superior in abradable property and durability.SOLUTION: The gas turbine ceramic abradable coating is configured by an abradable metal layer and a porous ceramic abradable layer (hardness RC15Y: 80±3), the porous ceramic abradable layer is provided with slit grooves by machining work, and a slit groove width is 0.5 to 5 mm. Thereby, the abradable property, and durability against a thermal cycle and high-temperature oxidation are improved.
摘要翻译：要解决的问题：提供一种包括耐磨性和耐久性优异的陶瓷耐磨涂层的燃气轮机护罩。解决方案：燃气轮机陶瓷耐磨涂层由耐磨金属层和多孔陶瓷耐磨层（硬度RC15Y：80±3）构成，多孔陶瓷耐磨层通过加工加工而形成狭槽，狭缝槽宽为0.5〜5mm。由此，能够提高耐磨损性，耐热循环性和耐高温氧化性。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2007260690A Electric current bonding apparatus and electric current bonding method 有权
标题翻译：电流接合装置和电流接合方法
公开(公告)号：JP2007260690A
公开(公告)日：2007-10-11
申请号：JP2006085524
申请日：2006-03-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUKAMOTO TAKESHI , KASUYA TADASHI
IPC分类号： B23K20/00 , B23K11/11
CPC分类号： B23K11/002 , Y10T29/49128 , Y10T29/532
摘要： PROBLEM TO BE SOLVED: To provide an electric current bonding apparatus which can perform a uniform bonding by controlling the temperature difference caused in the joining surfaces between metallic members regardless of shapes and sizes of the metallic members to be bonded in the case of performing the electric current bonding of the metallic materials to each other. SOLUTION: The apparatus is equipped with a plurality of the metallic members 101, 102 which can be energized, a pressurizing device which makes a pressurizing force act on the plurality of the metallic members to press the metallic members to each other, electrodes 11, 12 which are installed in the plurality of the metallic members and make pairs of a plurality of sets for heating the metallic members by resistance heat generation, a power source device 6 which supplies a current to the plurality of the sets of the electrodes, and an energization controller 5 which performs energization by switching the sets of the electrodes to energize the plurality of the electrodes from the power source device. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种电流接合装置，其可以通过控制在金属构件之间的接合表面中引起的温度差而能够进行均匀的接合，而不管金属构件的形状和尺寸如何，在进行金属材料彼此的电流接合。解决方案：该装置配备有多个能够通电的金属构件101,102，加压装置，其使加压力作用在多个金属构件上以将金属构件彼此挤压，电极 11，12，其安装在多个金属构件中，并且通过电阻发热来制造用于加热金属构件的多个组;将电流提供给多个电极组的电源装置6，以及通电控制器5，其通过切换电极组来从电源装置激励多个电极来进行通电。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007175740A Electric current bonding process and apparatus 有权
标题翻译：电流接合工艺和设备
公开(公告)号：JP2007175740A
公开(公告)日：2007-07-12
申请号：JP2005378277
申请日：2005-12-28
申请人： Hitachi Ltd , Suwa Netsukogyo Kk , 株式会社日立製作所 , 諏訪熱工業株式会社
发明人： TSUKAMOTO TAKESHI , KASUYA TADASHI , MIYASAKA YOSHITO , FUJIMORI TAKAYUKI
IPC分类号： B23K11/24 , B23K11/25 , B23K20/00
摘要： PROBLEM TO BE SOLVED: To provide a process capable of performing a sound bonding without any defects while suppressing a compressive deformation in a pressurizing direction due to the bonding.
SOLUTION: In the electric current bonding process by which the electric current is allowed to flow between the members in the state where pressurization is performed so as to generate specific pressure on contact surfaces by making a plurality of conductible members in contact with each other, the members are heated by resistance heat generation of the contact surface and the inside of a material and the members are bonded with each other, the temperature in the bonding part and the dimensional change of the members and pressurizing force imparted to the member are measured. In the state where time change of the temperature in the bonded part is positive, when detecting that the time change of the member size is negative, at least one of pressurizing force control for reducing the pressurizing force to the member and the energization control for controlling the energization so as to hold the temperature in the bonded part or to lower to a predetermined value is performed.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够在抑制由于接合而导致的加压方向上的压缩变形的同时进行声音接合而没有任何缺陷的处理。解决方案：在进行加压的状态下允许电流在构件之间流动的电流接合工艺中，以便通过使多个导电构件与每个接触部件接触而在接触表面上产生比压力另外，通过接触表面和材料内部的电阻发热来加热构件，并且构件彼此接合，接合部分的温度和构件的尺寸变化和施加到构件的加压力是测量。在接合部的温度的时间变化为正的状态下，当检测到构件尺寸的时间变化为负时，至少一个用于降低对构件的加压力的加压力控制和用于控制的通电控制执行使保持接合部的温度或者降低到规定值的通电。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2014015667A Heat insulation coating deposition method for gas turbine blade for power generation, and gas turbine for power generation using the same 有权
标题翻译：用于发电的气体涡轮叶片的热绝缘涂层沉积方法和使用其的发电用气体涡轮机
公开(公告)号：JP2014015667A
公开(公告)日：2014-01-30
申请号：JP2012154404
申请日：2012-07-10
申请人： Hitachi Ltd , 株式会社日立製作所 , Hokkaido Univ , 国立大学法人北海道大学
发明人： IZUMI TAKESHI , ARIKAWA HIDEYUKI , KOJIMA YOSHIYUKI , MEHATA TERU , KASUYA TADASHI , NARITA TOSHIO
IPC分类号： C23C28/00 , C22C19/05 , C22F1/00 , C22F1/10 , F01D5/18 , F01D5/28 , F01D9/02 , F01D25/00 , F01D25/08 , F02C7/00 , F02C7/24
摘要： PROBLEM TO BE SOLVED: To provide a deposition method which is used for a gas turbine for power generation, requiring a long life, and forms a multi-layer alloy film including a diffusion barrier layer on a surface of a single crystal alloy substrate used in the invention while suppressing generation of a diffusion layer having a precipitation phase and of hetero-crystal.SOLUTION: A gas turbine blade for a power generation comprises a structure in which a direct multi-layer alloy film, a bond coat, and a top coat are sequentially laminated, on the surface of a blade base material made of single crystal alloy including, in weight, C:0.06% or more and 0.08% or less, B:0.016% or more and 0.035% or less, Hf:0.2% or more and 0.3% or less, Cr:6.9% or more and 7.3% or less, Mo:0.7% or more and 1.0% or less, W:7.0% or more and 9.0% or less, Re:1.2% or more and 1.6% or less, Ta:8.5% or more and 9.5% or less, Nb:0.6% or more and 1.0% or less, Al:4.9% or more and 5.2% or less, Co:0.8% or more and 1.2% or less, and the remainder of substantial Ni.
摘要翻译：要解决的问题：提供一种用于发电用燃气轮机，需要长寿命的沉积方法，并且在用于单晶合金基板的表面上形成包括扩散阻挡层的多层合金膜本发明同时抑制具有沉淀相和杂晶的扩散层的产生。解决方案：用于发电的燃气轮机叶片包括其中直接多层合金膜，粘结涂层和顶涂层依次层压在由单晶合金制成的刀片基材的表面上，重量比为C：0.06％以上且0.08％以下，B：0.016％以上且0.035％以下，Hf：0.2％以上且0.3％以下，Cr：6.9％以上且7.3％以下，Mo：0.7％以上且1.0％以下，W：7.0％以上且9.0％以下，Re：1.2％以上 1.6％以下，Ta：8.5％以上且9.5％以下，Nb：0.6％以上且1.0％以下，Al：4.9％以上且5.2％以下，Co：0.8％以上，Co：0.8％以上， 1.2％以下，剩余部分为Ni。

8. 发明专利

JP2014015666A Heat insulation coating for gas turbine blade for power generation, and gas turbine for power generation using the same 有权
标题翻译：用于发电用气体涡轮叶片的热绝缘涂层，以及使用其发电的气体涡轮机
公开(公告)号：JP2014015666A
公开(公告)日：2014-01-30
申请号：JP2012154401
申请日：2012-07-10
申请人： Hitachi Ltd , 株式会社日立製作所 , Hokkaido Univ , 国立大学法人北海道大学
发明人： IZUMI TAKESHI , ARIKAWA HIDEYUKI , KOJIMA YOSHIYUKI , MEHATA TERU , KASUYA TADASHI , NARITA TOSHIO
IPC分类号： C23C28/02 , C22C19/05 , C22C19/07 , F01D5/28 , F01D25/00 , F02C7/00
CPC分类号： F01D5/288 , C23C10/00 , C23C10/02 , C23C10/38 , C23C10/60 , C23C28/00 , C23C28/321 , C23C28/3215 , C23C28/325 , C23C28/3455 , C23C28/42 , F05D2300/10 , Y02T50/672 , Y10T428/12618
摘要： PROBLEM TO BE SOLVED: To provide a heat insulation coating structure, including a diffusion barrier layer, for a single crystal gas turbine blade for power generation, made of single crystal alloy, which satisfies both of suppression of growth of a secondary reaction layer by diffusion of an element in a base material, and durability against thermal fatigue by a heat cycle and mechanical fatigue.SOLUTION: A gas turbine blade for a power generation comprises a structure in which a multi-layer alloy film having a direct diffusion barrier layer, a bond coat, and a top coat are sequentially laminated, on the surface of a blade base material made of single crystal alloy including, in weight, C:0.06% or more and 0.08% or less, B:0.016% or more and 0.035% or less, Hf:0.2% or more and 0.3% or less, Cr:6.9% or more and 7.3% or less, Mo:0.7% or more and 1.0% or less, W:7.0% or more and 9.0% or less, Re:1.2% or more and 1.6% or less, Ta:8.5% or more and 9.5% or less, Nb:0.6% or more and 1.0% or less, Al:4.9% or more and 5.2% or less, Co:0.8% or more and 1.2% or less, and the remainder of substantial Ni. The diffusion barrier layer is a multi-layer and discontinuous.
摘要翻译：要解决的问题：为了提供一种由单晶合金制成的用于发电的单晶燃气轮机叶片的扩散阻挡层的隔热涂层结构，其满足通过扩散抑制二次反应层的生长的基体材料中的元素，以及耐热循环和机械疲劳的热疲劳的耐久性。解决方案：用于发电的燃气轮机叶片包括其中具有直接扩散阻挡层的多层合金膜，粘结涂层和顶涂层依次层压在由单晶合金制成的刀片基材的表面上，其重量为C：0.06％以上且0.08％以下，B：0.016％以上且0.035％以下，以下，Hf：0.2％以上且0.3％以下，Cr：6.9％以上且7.3％以下，Mo：0.7％以上且1.0％以下，W：7.0％以上且9.0％以下，Re：1.2％以上且1.6％以下，Ta：8.5％以上且9.5％以下，Nb：0.6％以上且1.0％以下 ess，Al：4.9％以上且5.2％以下，Co：0.8％以上且1.2％以下，剩余部分为Ni。扩散阻挡层是多层且不连续的。

9. 发明专利

JP2012168134A Inspection method of heat shielding coating 有权
标题翻译：热屏蔽涂层检验方法
公开(公告)号：JP2012168134A
公开(公告)日：2012-09-06
申请号：JP2011031478
申请日：2011-02-17
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IZUMI TAKESHI , ARIKAWA HIDEYUKI , KOJIMA YOSHIYUKI , MEHATA TERU , KASUYA TADASHI
IPC分类号： G01N19/04
摘要： PROBLEM TO BE SOLVED: To provide an inspection method for simply determining performance of a heat shielding coating (TBC) in a short time period before its usage.SOLUTION: When estimating a peeling life of the heat shielding film composed of a bond coat constructed on a surface of a base material of a high-temperature member to be used for a gas turbine and a top coat constructed on the surface of the bond coat, a correlation between a crystallized area ratio of a plurality of kinds of bond coats and their peeling lives is obtained, the crystallized area ratio of a test piece is measured, and the peeling life is estimated from the crystallized area ratio and the correlation of the test piece.

10. 发明专利

JP2011169314A Gas turbine shroud with ceramic abradable coating 有权
标题翻译：气体涡轮机与陶瓷可磨损涂层
公开(公告)号：JP2011169314A
公开(公告)日：2011-09-01
申请号：JP2011008379
申请日：2011-01-19
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOJIMA YOSHIYUKI , ARIKAWA HIDEYUKI , MEHATA TERU , KASUYA TADASHI , DOI HIROYUKI , ICHIKAWA KUNIHIRO
IPC分类号： F01D11/08 , C23C4/02 , C23C4/18 , F01D9/04
CPC分类号： C23C28/00 , F01D11/122 , F05D2230/90 , F05D2240/11 , F05D2250/181 , F05D2300/21
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine shroud with a ceramic abradable coating to be used for a gap adjusting component capable of improving turbine efficiency by reducing leakage of a fluid from a gap. SOLUTION: The ceramic abradable coating for a gas turbine includes: a bond layer; a thermal barrier ceramic layer; a porous ceramic abradable layer (hardness is RC15Y:80±3). The porous ceramic abradable layer is provided with a slit groove by machining, and a width of a rectangular cross section of the ceramic abradable layer divided by the slit is set within a range of 2-7 mm. COPYRIGHT: (C)2011,JPO&INPIT

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