JP2023542819A - 蒸気タービンロータの材料試験を行うためのフルスケールサンプリングのシステムおよび方法 - Google Patents
蒸気タービンロータの材料試験を行うためのフルスケールサンプリングのシステムおよび方法 Download PDFInfo
- Publication number
- JP2023542819A JP2023542819A JP2023513435A JP2023513435A JP2023542819A JP 2023542819 A JP2023542819 A JP 2023542819A JP 2023513435 A JP2023513435 A JP 2023513435A JP 2023513435 A JP2023513435 A JP 2023513435A JP 2023542819 A JP2023542819 A JP 2023542819A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- steam turbine
- legacy
- annular ring
- turbine rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 56
- 238000005070 sampling Methods 0.000 title abstract description 9
- 238000004154 testing of material Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 105
- 238000012360 testing method Methods 0.000 claims abstract description 82
- 230000007704 transition Effects 0.000 claims description 13
- 238000003754 machining Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000009863 impact test Methods 0.000 claims description 5
- 238000009661 fatigue test Methods 0.000 claims description 4
- 238000009864 tensile test Methods 0.000 claims description 3
- 230000008646 thermal stress Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 40
- 238000011144 upstream manufacturing Methods 0.000 description 12
- 230000009977 dual effect Effects 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 10
- 230000035882 stress Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000012720 thermal barrier coating Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000006399 behavior Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000003878 thermal aging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/60—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/83—Testing, e.g. methods, components or tools therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0071—Creep
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0098—Tests specified by its name, e.g. Charpy, Brinnel, Mullen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0298—Manufacturing or preparing specimens
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Architecture (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sampling And Sample Adjustment (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
Description
Claims (15)
- ブレード間領域ロータ表面(12)、ブレード間領域ロータ表面(12)に隣接する入口領域ロータ表面(14)とを有するレガシーの蒸気タービンロータ(10、20、30)の1以上の材料試験を行うための材料試験サンプル(50)を生成する方法(200)であって、
ブレード間領域ロータ表面(12)及び入口領域ロータ表面(12)から選択されたサンプル領域(15)においてロータ材料の環状リング(52)を除去するステップであって、環状リング(52)の除去により、改良されたレガシーの蒸気タービンロータを作成する、ステップと、
環状リング(52)の一部から材料試験サンプル(50)を形成するするステップと、
を含む方法(200)。 - 材料試験サンプル(50)を含む複数の材料試験サンプル(50)を形成するステップと、
複数の材料試験サンプル(50)のうちの1つまたは複数の材料試験サンプルに対して1つまたは複数の材料試験を行うステップとをさらに含む、請求項1に記載の方法(200)。 - 1つ以上の材料試験の結果を評価して、レガシーの蒸気タービンロータ(10、20、30)の破壊外観遷移温度(FATT)を評価するステップをさらに含む、請求項1記載の方法。
- FATTに少なくとも部分的に基づいて、改良されたレガシーの蒸気タービンロータ(10、20、30)の延長寿命プロファイルを予測するステップをさらに含む、請求項3記載の方法。
- 環状リング(52)の除去が、
レガシーの蒸気タービンロータ(10、20、30)から材料を除去するために、半径方向に、第1の選択された幅及び第1の選択された深さの第1のスロット(70)であって、入口領域ロータ表面(14)の第1の部分に形成されている第1のスロット(70)を形成するステップと、
レガシーの蒸気タービンロータ(10、20、30)から材料を除去するため、及び、サンプル領域(15)において材料試験サンプル(50)をアンダーカットするために、軸方向において、第1のスロット(70)に隣接しかつ第1のスロット(70)に垂直な第2のスロット(72)を形成するするステップと、
レガシーの蒸気タービンロータ(10、20、30)から材料を除去するために、サンプル領域(15)に隣接する入口領域ロータ表面(14)の第2の部分に、第2の選択された幅及び第2の選択された深さの第3のスロット(76)を半径方向に、形成するステップと、
を含み、
第2の部分は、第1のスロット(70)から軸方向に間隔をあけて配置され、
第3のスロット(76)が第2のスロット(72)と交差してサンプル領域(15)においてロータ材料の環状リング(52)を解放する、請求項1に記載の方法。 - 第3のスロット(76)を形成する前に、第2のスロット(72)内に配置されたファスナ(80)でサンプル領域(15)を固定するステップをさらに含む、請求項5記載の方法。
- ローター材料の環状リング(52)を分割するステップと、
ロータから分割された環状リング(52)を取り除くステップと、
を含み、
環状リング(52)の一部から材料試験サンプル(50)を形成するステップは、分割された環状リング(52)の一部を機械加工して複数の材料試験サンプル(50)を作成するステップを含む、請求項1に記載の方法。 - 環状リング(52)を分割するステップの前に、環状リング(52)を固定するステップをさらに含む、請求項7に記載の方法。
- ロータ材料の環状リング(52)を除去ステップの前に、入口領域ロータ表面(14)でレガシーの蒸気タービンロータ(10、20、30)から材料を除去してその曲面を平坦化するために、選択した幅および選択した深さを有する初期スロット(13i)を半径方向に形成するステップをさらに含む、請求項1記載の方法。
- 1つ以上の材料試験を行うためにレガシーの蒸気タービンロータ(10、20、30)から材料試験サンプル(50)を取り出すためのシステムであって、
レガシーの蒸気タービンロータ(10、20、30)は、ブレード間領域ロータ表面(12)及びブレード間領域ロータ表面(12)に隣接する入口領域ロータ表面(14)を備え、
システムは、レガシーの蒸気タービンロータ(10、20、30)から材料試験サンプル(50)を取り出すための旋盤(60)及びカッターブレード(62)を備え、
旋盤(60)及びカッターブレード(62)は、
レガシーの蒸気タービンロータ(10、20、30)のブレード間領域ロータ表面(12)または入口領域ロータ表面(14)のいずれかに初期ブレード溝(13i)を導入するステップと、
初期ブレード溝(13i)内に、材料試験サンプル(50)を含むローター材料の環状リング(52)を形成するステップと、
レガシーの蒸気タービンロータ(10、20、30)及び初期ブレード溝(13i)から材料試験サンプル(50)を含む環状リング(52)を除去するステップと、
を含む操作を行うことによってレガシーの蒸気タービンロータ(10、20、30)から材料試験サンプル(50)を取り出すように協働して動作する、システム。 - 環状リング(52)が、入口領域ロータ表面(14)に初期ブレード溝(13i)を形成することによって機械加工される、請求項10に記載のシステム。
- 環状リング(52)を除去するステップは、環状リング(52)を切断して複数の分割されたセクション(54)を得るステップを含み、各セクションは、1つ以上の材料試験を行うための標準化されたサイズの材料試験サンプル(50)に対応する、請求項10に記載のシステム。
- 1つ以上の材料試験は、シャルピー衝撃試験、微細構造試験、硬度試験、クリープ試験、低サイクル疲労試験、および引張試験のうちの少なくとも1つを含む、請求項12に記載のシステム。
- 材料試験サンプル(50)が、実質的に長方形および実質的に円形の少なくとも1つである、請求項10に記載のシステム。
- 材料試験サンプル(50)が、10mmの幅、10mmの高さ、および10mm、20mm、および50mmからなる群から選択される長さを有する、請求項10に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/030,648 US11592362B2 (en) | 2020-09-24 | 2020-09-24 | System and method for full-scale sampling to conduct material tests on a steam turbine rotor |
US17/030,648 | 2020-09-24 | ||
PCT/US2021/071547 WO2022067311A1 (en) | 2020-09-24 | 2021-09-22 | System and method for full-scale sampling to conduct material tests on a steam turbine rotor |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2023542819A true JP2023542819A (ja) | 2023-10-12 |
Family
ID=78372137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023513435A Pending JP2023542819A (ja) | 2020-09-24 | 2021-09-22 | 蒸気タービンロータの材料試験を行うためのフルスケールサンプリングのシステムおよび方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11592362B2 (ja) |
EP (1) | EP4217705A1 (ja) |
JP (1) | JP2023542819A (ja) |
KR (1) | KR20230074129A (ja) |
CN (1) | CN114251128A (ja) |
TW (1) | TW202227796A (ja) |
WO (1) | WO2022067311A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020208925A1 (ja) * | 2019-04-12 | 2020-10-15 | 株式会社Ihi | 動翼の振動試験用治具 |
JP7409916B2 (ja) * | 2020-03-13 | 2024-01-09 | 三菱重工業株式会社 | 蒸気タービンの応力腐食割れ評価方法 |
US11592362B2 (en) * | 2020-09-24 | 2023-02-28 | General Electric Company | System and method for full-scale sampling to conduct material tests on a steam turbine rotor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58217233A (ja) * | 1982-06-07 | 1983-12-17 | Hitachi Ltd | タ−ピンブレ−ドの加工装置 |
CA2076120A1 (en) * | 1991-09-11 | 1993-03-12 | Adam Nelson Pope | System and method for improved engine cooling |
US20120152007A1 (en) * | 2007-01-12 | 2012-06-21 | Richard Holmes | Testing performance of a material for use in a jet engine |
JP4594948B2 (ja) | 2007-03-13 | 2010-12-08 | 関西電力株式会社 | Cr−Mo−V鋼製のタービンロータの脆化度評価方法 |
CH701914A1 (de) | 2009-09-30 | 2011-03-31 | Alstom Technology Ltd | Dampfturbine mit Entlastungsnut am Rotor im Bereich des Schubausgleichskolbens. |
US8429968B2 (en) * | 2009-10-08 | 2013-04-30 | Moscow Mills, Inc. | Balance test indexing tool for balance-testing a rotor |
CN102310309B (zh) | 2010-06-29 | 2013-10-30 | 上海重型机器厂有限公司 | 转子中心盲孔的套料取样方法及其工具 |
US10385724B2 (en) * | 2017-03-28 | 2019-08-20 | General Electric Company | Tools and methods for cleaning grooves of a turbine rotor disc |
DE102017211904A1 (de) * | 2017-07-12 | 2019-01-17 | Siemens Aktiengesellschaft | Verfahren zur Durchführung einer und Vorrichtung zur materialabtragenden Bearbeitung eines Bauteils |
US11473438B2 (en) * | 2019-06-04 | 2022-10-18 | Honeywell International Inc. | Grooved rotor casing system using additive manufacturing method |
US11592362B2 (en) * | 2020-09-24 | 2023-02-28 | General Electric Company | System and method for full-scale sampling to conduct material tests on a steam turbine rotor |
-
2020
- 2020-09-24 US US17/030,648 patent/US11592362B2/en active Active
-
2021
- 2021-08-23 CN CN202110971558.4A patent/CN114251128A/zh active Pending
- 2021-09-17 TW TW110134965A patent/TW202227796A/zh unknown
- 2021-09-22 JP JP2023513435A patent/JP2023542819A/ja active Pending
- 2021-09-22 EP EP21798532.4A patent/EP4217705A1/en active Pending
- 2021-09-22 KR KR1020237008994A patent/KR20230074129A/ko unknown
- 2021-09-22 WO PCT/US2021/071547 patent/WO2022067311A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
US20220090991A1 (en) | 2022-03-24 |
EP4217705A1 (en) | 2023-08-02 |
US11592362B2 (en) | 2023-02-28 |
KR20230074129A (ko) | 2023-05-26 |
TW202227796A (zh) | 2022-07-16 |
CN114251128A (zh) | 2022-03-29 |
WO2022067311A1 (en) | 2022-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2023542819A (ja) | 蒸気タービンロータの材料試験を行うためのフルスケールサンプリングのシステムおよび方法 | |
Barella et al. | Failure analysis of a steam turbine rotor | |
Viswanathan et al. | Failure mechanisms of high temperature components in power plants | |
Dewangan et al. | Gas turbines blades-a critical review of failure on first and second stages | |
DE102008049170A1 (de) | Vorrichtung und Verfahren zur Lebensdauerüberwachung | |
Saito et al. | Latest technologies and future prospects for a new steam turbine | |
Saraçyakupoğlu | Failure analysis of J85-CAN-15 turbojet engine compressor disc | |
Enomoto | Steam turbine retrofitting for the life extension of power plants | |
JP2009041449A (ja) | ガスタービン動翼の補修方法 | |
Kostyuk et al. | Influence of the operational wear of the stator parts of shroud seals on the economic efficiency of the steam turbines | |
Kalambe et al. | Crack Detection Analysis of Steam Turbine Rotor Blade using NDT Technique | |
Berger et al. | Probabilistic vibration and lifetime analysis of regenerated turbomachinery blades | |
KR20210021584A (ko) | 증기 터빈의 다이어프램 제조 방법 | |
Poursaeidi et al. | Failure analysis of lock-pin in a gas turbine engine | |
Czachor | Unique challenges for bolted joint design in high-bypass turbofan engines | |
Ghosh et al. | Cracks in steam turbine components | |
Abushik et al. | Remaining Service Life Assessment of the Effect of Existing Defects on Turbine Rotors | |
Biesinger et al. | Rework and Repair Options for Steam Turbine Components Subject to Flexible Operation | |
Borowczyk et al. | Scopus as a meta-source of knowledge about turbine blade damage in the aspect of designing an expert diagnostic system | |
Chegurov et al. | Fracture of Blade Material under Long-Term Operation | |
Scheibel et al. | Gas Turbine Compressor Dependability and Risk Mitigation Measures | |
Zhu et al. | Fracture mechanics-based structural integrity assessment of aero-engine turbine disks under overspeed conditions | |
Schuchard et al. | A Statistical Study on HCF Validation Data for Axial Gas Turbine Compressor Blades | |
Hassan et al. | Failure analysis of gas turbine in first stage turbine blades in an urban power plant | |
Rodionov et al. | About the Inexpediency of Widely Using Honeycomb Seals in Steam Turbine Flow Paths |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20230410 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20230626 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20231111 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20231112 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20231122 |