JP6550566B2 - CrMoV合金鋳鋼とその製造方法並びにタービンにおける用途 - Google Patents
CrMoV合金鋳鋼とその製造方法並びにタービンにおける用途 Download PDFInfo
- Publication number
- JP6550566B2 JP6550566B2 JP2014141110A JP2014141110A JP6550566B2 JP 6550566 B2 JP6550566 B2 JP 6550566B2 JP 2014141110 A JP2014141110 A JP 2014141110A JP 2014141110 A JP2014141110 A JP 2014141110A JP 6550566 B2 JP6550566 B2 JP 6550566B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- cast alloy
- alloy
- weight
- cast
- 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.)
- Active
Links
- 229910045601 alloy Inorganic materials 0.000 title claims description 87
- 239000000956 alloy Substances 0.000 title claims description 87
- 238000004519 manufacturing process Methods 0.000 title description 9
- 229910001208 Crucible steel Inorganic materials 0.000 title description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 238000012856 packing Methods 0.000 claims description 25
- 238000005266 casting Methods 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- 239000011651 chromium Substances 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 23
- 239000010703 silicon Substances 0.000 claims description 23
- 229910052720 vanadium Inorganic materials 0.000 claims description 22
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 21
- 229910052796 boron Inorganic materials 0.000 claims description 21
- 229910052804 chromium Inorganic materials 0.000 claims description 21
- 229910052759 nickel Inorganic materials 0.000 claims description 21
- 229910052719 titanium Inorganic materials 0.000 claims description 21
- 239000010936 titanium Substances 0.000 claims description 21
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052787 antimony Inorganic materials 0.000 claims description 17
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 17
- 229910052785 arsenic Inorganic materials 0.000 claims description 17
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 229910052750 molybdenum Inorganic materials 0.000 claims description 17
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 16
- 239000011733 molybdenum Substances 0.000 claims description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 15
- 229910052698 phosphorus Inorganic materials 0.000 claims description 15
- 239000011574 phosphorus Substances 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 15
- 239000011593 sulfur Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 239000002243 precursor Substances 0.000 claims description 12
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- -1 0.009-0.010% boron) Chemical compound 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910000599 Cr alloy Inorganic materials 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/005—Selecting particular materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 発電機側端部
14 タービン側端部
16 軸方向中心線
18 横断中心線
19 蒸気入口
20 内側シェル
21 発電機側端面
22 タービン側端面
23 タービン室
24 パッキンヘッド
26 流路
28 パッキンリング
30 シールアセンブリ
32 ロータ軸
33 間隙(ラジアル隙間)
34 内輪部
36 歯
37 半径方向の内面
38 半径方向の外面
41 ラジアル面
42 外輪部
48 ロータ軸外周部突起
60 外側シェル
61 発電機側端面
62 タービン側端面
100 方法
102 ステップ
104 ステップ
106 ステップ
108 ステップ
Claims (19)
- 重量基準で、0.12〜0.20%の炭素、0.50〜0.90%のマンガン、0.25〜0.60%のケイ素、0.10〜0.50%のニッケル、1.15%以上1.50%未満のクロム、0.90〜1.50%のモリブデン、0.70〜0.80%のバナジウム、0.0075〜0.060%のチタン、0.008〜0.012%のホウ素、残部の鉄及び不可避不純物からなる、鋳造合金。
- 前記不可避不純物が、重量基準で、0.012%以下のリン、0.002%以下の硫黄、0.010%以下のスズ、0.015%以下の砒素、0.015%以下のアルミニウム、0.0035%以下のアンチモン、及び0.15%以下の銅を含む、請求項1記載の鋳造合金。
- 前記不可避不純物が、重量基準で、0.001〜0.005%のリン、0.0005〜0.002%の硫黄、0.001〜0.004%のスズ、0.001〜0.004%の砒素、0.001〜0.005%のアルミニウム、0.001〜0.0025%のアンチモン、及び0.005〜0.015%の銅を含む、請求項1記載の鋳造合金。
- 前記鋳造合金が炭素、マンガン、ケイ素、ニッケル、クロム、モリブデン、バナジウム、チタン、ホウ素、鉄、0.012重量%以下のリン、0.012重量%以下の硫黄、0.010重量%以下のスズ、0.015重量%以下の砒素、0.015重量%以下のアルミニウム、0.0035重量%以下のアンチモン、及び0.15重量%以下の銅からなる、請求項1記載の鋳造合金。
- 前記鋳造合金が、重量基準で、炭素、マンガン、ケイ素、ニッケル、クロム、モリブデン、バナジウム、チタン、ホウ素、鉄、0.001〜0.005%のリン、0.0005〜0.002%の硫黄、0.001〜0.004%のスズ、0.001〜0.004%の砒素、0.001〜0.005%のアルミニウム、0.001〜0.0025%のアンチモン、及び0.005〜0.015%の銅からなる、請求項4記載の鋳造合金。
- 前記鋳造合金が、重量基準で、0.25〜0.35%のケイ素を含む、請求項1記載の鋳造合金。
- 前記鋳造合金が、重量基準で、0.14〜0.17%の炭素を含む、請求項1記載の鋳造合金。
- 前記鋳造合金が、重量基準で、0.010〜0.035%のチタンを含む、請求項1記載の鋳造合金。
- 前記鋳造合金が、重量基準で、0.20〜0.35%のニッケルンを含む、請求項1記載の鋳造合金。
- 前記鋳造合金が、重量基準で、0.009〜0.010%のホウ素を含む、請求項1記載の鋳造合金。
- 前記鋳造合金が、重量基準で、0.74〜0.77%のバナジウムを含む、請求項1記載の鋳造合金。
- 請求項1記載の鋳造合金から鋳造される静止部品を少なくとも1つ有するタービン(10)。
- 前記静止部品がシェル(20)、パッキンヘッド(24)、又はパッキンリング(28)である、請求項12記載のタービン(10)。
- 鋳造合金の製造方法(100)であって、
重量基準で、0.12〜0.20%の炭素、0.50〜0.90%のマンガン、0.25〜0.60%のケイ素、0.10〜0.50%のニッケル、1.15%以上1.50%未満のクロム、0.90〜1.50%のモリブデン、0.70〜0.80%のバナジウム、0.0075〜0.060%のチタン、0.008〜0.012%のホウ素、残部の鉄及び不可避不純物からなる合金前駆体を形成する形成工程(102)と、
前記合金前駆体を溶融して溶融合金組成物を形成する溶融工程(104)と、
前記溶融合金組成物を鋳型に鋳込む鋳込み工程(106)と、
前記溶融合金組成物を前記鋳型内で冷却して前記鋳造合金を形成する冷却工程(108)と
を含む方法(100)。 - 前記不可避不純物が、重量基準で、0.012%以下のリン、0.010%以下のスズ、0.015%以下の砒素、0.015%以下のアルミニウム、0.0035%以下のアンチモン、及び0.15%以下の銅を含む、請求項14記載の方法(100)。
- 前記合金前駆体が炭素、マンガン、ケイ素、ニッケル、クロム、モリブデン、バナジウム、チタン、ホウ素、鉄、0.012重量%以下のリン、0.010重量%以下のスズ、0.015重量%以下の砒素、0.015重量%以下のアルミニウム、0.0035重量%以下のアンチモン、及び0.15重量%以下の銅からなる、請求項14記載の方法(100)。
- 前記鋳造合金を1700〜1975°Fの処理温度で4〜48時間熱処理する工程と、
前記鋳造合金を1200〜1300°Fの焼き戻し温度で4〜48時間加熱することによって焼き戻しを行う工程と
をさらに含む、請求項14記載の方法(100)。 - 前記処理温度が1900〜1950°Fである、請求項17記載の方法(100)。
- 前記処理温度が1750〜1800°Fである、請求項17記載の方法(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/939,477 | 2013-07-11 | ||
US13/939,477 US9206704B2 (en) | 2013-07-11 | 2013-07-11 | Cast CrMoV steel alloys and the method of formation and use in turbines thereof |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015017328A JP2015017328A (ja) | 2015-01-29 |
JP2015017328A5 JP2015017328A5 (ja) | 2017-08-17 |
JP6550566B2 true JP6550566B2 (ja) | 2019-07-31 |
Family
ID=51410807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014141110A Active JP6550566B2 (ja) | 2013-07-11 | 2014-07-09 | CrMoV合金鋳鋼とその製造方法並びにタービンにおける用途 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9206704B2 (ja) |
JP (1) | JP6550566B2 (ja) |
CH (1) | CH708302B1 (ja) |
DE (1) | DE102014109710A1 (ja) |
GB (1) | GB2519394B (ja) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1558504A1 (de) * | 1966-06-24 | 1970-03-26 | Gkn Group Services Ltd | Ferritischer Stahl mit hoher Dauerstands- und Kriechfestigkeit |
JPS59226152A (ja) | 1983-06-06 | 1984-12-19 | Hitachi Ltd | Cr−Mo−V耐熱鋼 |
JPS60184665A (ja) | 1984-02-29 | 1985-09-20 | Kobe Steel Ltd | 圧力容器用低合金鋼 |
JPS62192536A (ja) | 1986-02-18 | 1987-08-24 | Nippon Chiyuutankou Kk | タ−ビンロ−タの製造法 |
JPS63145750A (ja) | 1986-12-09 | 1988-06-17 | Toshiba Corp | タ−ビンロ−タ用低合金鋼 |
JP4031603B2 (ja) | 2000-02-08 | 2008-01-09 | 三菱重工業株式会社 | 高低圧一体型タービンロータ及びその製造方法 |
JP3492969B2 (ja) | 2000-03-07 | 2004-02-03 | 株式会社日立製作所 | 蒸気タービン用ロータシャフト |
JP4256311B2 (ja) | 2004-07-06 | 2009-04-22 | 株式会社日立製作所 | 蒸気タービン用ロータシャフト及び蒸気タービン並びに蒸気タービン発電プラント |
US8906170B2 (en) | 2008-06-24 | 2014-12-09 | General Electric Company | Alloy castings having protective layers and methods of making the same |
US8430075B2 (en) | 2008-12-16 | 2013-04-30 | L.E. Jones Company | Superaustenitic stainless steel and method of making and use thereof |
US8226886B2 (en) | 2009-08-31 | 2012-07-24 | General Electric Company | Nickel-based superalloys and articles |
US8523519B2 (en) | 2009-09-24 | 2013-09-03 | General Energy Company | Steam turbine rotor and alloy therefor |
US8590595B2 (en) | 2011-03-30 | 2013-11-26 | General Electric Company | Casting methods and apparatus |
US9034247B2 (en) | 2011-06-09 | 2015-05-19 | General Electric Company | Alumina-forming cobalt-nickel base alloy and method of making an article therefrom |
US10227678B2 (en) | 2011-06-09 | 2019-03-12 | General Electric Company | Cobalt-nickel base alloy and method of making an article therefrom |
US20130101431A1 (en) | 2011-10-21 | 2013-04-25 | General Electric Company | Rotor, a steam turbine and a method for producing a rotor |
US8908031B2 (en) | 2011-11-18 | 2014-12-09 | General Electric Company | Apparatus and method for measuring moisture content in steam flow |
US20130126056A1 (en) | 2011-11-18 | 2013-05-23 | General Electric Company | Cast nickel-iron-base alloy component and process of forming a cast nickel-iron-base alloy component |
-
2013
- 2013-07-11 US US13/939,477 patent/US9206704B2/en active Active
-
2014
- 2014-07-08 GB GB1412142.0A patent/GB2519394B/en active Active
- 2014-07-09 CH CH01040/14A patent/CH708302B1/de not_active IP Right Cessation
- 2014-07-09 JP JP2014141110A patent/JP6550566B2/ja active Active
- 2014-07-10 DE DE102014109710.6A patent/DE102014109710A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2519394A (en) | 2015-04-22 |
CH708302A2 (de) | 2015-01-15 |
US9206704B2 (en) | 2015-12-08 |
CH708302B1 (de) | 2019-05-15 |
DE102014109710A1 (de) | 2015-01-29 |
JP2015017328A (ja) | 2015-01-29 |
GB201412142D0 (en) | 2014-08-20 |
US20150017462A1 (en) | 2015-01-15 |
GB2519394B (en) | 2016-05-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5236263B2 (ja) | 回転アセンブリ部品及び部品の製造方法 | |
JP5384692B2 (ja) | 排気ターボチャージャ | |
KR20070006595A (ko) | 증기터빈용 배관과 그 제조법 및 그것을 이용한 증기터빈용주증기 배관과 재열 배관 및 증기터빈 발전플랜트 | |
JP5709445B2 (ja) | 蒸気タービンロータ及びそのための合金 | |
JP2018193992A (ja) | ターボチャージャ | |
RU2562175C2 (ru) | Чугун, содержащий ниобий, и конструктивный элемент | |
CA2834753A1 (en) | Turbine engine rotor, method of producing the same, method of joining ni-based superalloy member and steel member, and junction structure of ni-based superalloy member and steel member | |
JP5364721B2 (ja) | 蒸気タービンロータの製造方法及び蒸気タービンロータ | |
CN105316598A (zh) | 不锈钢合金、由所述不锈钢合金制成的涡轮增压器涡轮壳体及其制造方法 | |
US9039365B2 (en) | Rotor, a steam turbine and a method for producing a rotor | |
US9416671B2 (en) | Bimetallic turbine shroud and method of fabricating | |
JP2012154322A (ja) | 溶接ロータ、溶接ロータを有する蒸気タービン及び溶接ロータの製造方法 | |
JP6550566B2 (ja) | CrMoV合金鋳鋼とその製造方法並びにタービンにおける用途 | |
CN105420631A (zh) | 不锈钢合金、由所述不锈钢合金制成的涡轮增压器涡轮壳体及其制造方法 | |
US10697324B2 (en) | Method of manufacturing a part comprising two different superalloys | |
CN113692331A (zh) | 涡轮壳体部件及其修理方法 | |
WO2017100046A1 (en) | Seal rings comprising chromium and boron cast iron | |
US20110100961A1 (en) | Welding process for producing rotating turbomachinery | |
US20140076466A1 (en) | Process for producing a turbine housing and turbine housing | |
WO2016111249A1 (ja) | オーステナイト系耐熱鋼およびタービン部品 | |
JP7106440B2 (ja) | タービン車室の製造方法 | |
JP2015086432A (ja) | オーステナイト系耐熱鋼およびタービン部品 | |
JP2014012882A (ja) | 区分式ロータ、区分式ロータを有する蒸気タービン並びに区分式ロータの製造方法 | |
JP6768671B2 (ja) | タービンロータの製造方法、及び、タービンの製造方法 | |
US20130101431A1 (en) | Rotor, a steam turbine and a method for producing a rotor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170706 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170706 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180704 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180814 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181026 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181204 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190131 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190312 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190405 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20190517 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6550566 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |