GB1418136A - Method of protecting a steel rotor blade of an axial-flow turbine against stress-crack-corrosion - Google Patents

Method of protecting a steel rotor blade of an axial-flow turbine against stress-crack-corrosion

Info

Publication number
GB1418136A
GB1418136A GB776073A GB776073A GB1418136A GB 1418136 A GB1418136 A GB 1418136A GB 776073 A GB776073 A GB 776073A GB 776073 A GB776073 A GB 776073A GB 1418136 A GB1418136 A GB 1418136A
Authority
GB
United Kingdom
Prior art keywords
axial
rotor blade
flow turbine
crack
corrosion
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.)
Expired
Application number
GB776073A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Publication of GB1418136A publication Critical patent/GB1418136A/en
Expired legal-status Critical Current

Links

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
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/286—Particular treatment of blades, e.g. to increase durability or resistance against corrosion or erosion
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB776073A 1972-02-18 1973-02-16 Method of protecting a steel rotor blade of an axial-flow turbine against stress-crack-corrosion Expired GB1418136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH237372A CH564147A5 (US06811534-20041102-M00003.png) 1972-02-18 1972-02-18

Publications (1)

Publication Number Publication Date
GB1418136A true GB1418136A (en) 1975-12-17

Family

ID=4232248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB776073A Expired GB1418136A (en) 1972-02-18 1973-02-16 Method of protecting a steel rotor blade of an axial-flow turbine against stress-crack-corrosion

Country Status (11)

Country Link
US (1) US3834833A (US06811534-20041102-M00003.png)
AT (1) AT316963B (US06811534-20041102-M00003.png)
BE (1) BE795520A (US06811534-20041102-M00003.png)
CA (1) CA1009125A (US06811534-20041102-M00003.png)
CH (1) CH564147A5 (US06811534-20041102-M00003.png)
DE (1) DE2211830A1 (US06811534-20041102-M00003.png)
FR (1) FR2172727A5 (US06811534-20041102-M00003.png)
GB (1) GB1418136A (US06811534-20041102-M00003.png)
HU (1) HU165495B (US06811534-20041102-M00003.png)
NL (1) NL7302234A (US06811534-20041102-M00003.png)
SE (1) SE400579B (US06811534-20041102-M00003.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623503A (en) * 1979-08-02 1981-03-05 Toshiba Corp Supercharger
JPS61215270A (ja) * 1985-03-15 1986-09-25 日本特殊陶業株式会社 タ−ビンロ−ター
US5120197A (en) * 1990-07-16 1992-06-09 General Electric Company Tip-shrouded blades and method of manufacture
US5348446A (en) * 1993-04-28 1994-09-20 General Electric Company Bimetallic turbine airfoil
US5591009A (en) * 1995-01-17 1997-01-07 General Electric Company Laser shock peened gas turbine engine fan blade edges
IL117347A (en) * 1995-03-06 1999-10-28 Gen Electric Laser shock peened gas turbine engine compressor airfoil edges
US5620307A (en) * 1995-03-06 1997-04-15 General Electric Company Laser shock peened gas turbine engine blade tip
DE19546008A1 (de) * 1995-12-09 1997-06-12 Abb Patent Gmbh Turbinenschaufel, die für den Einsatz im Naßdampfbereich von Vorend- und Endstufen von Turbinen vorgesehen ist
US5742028A (en) * 1996-07-24 1998-04-21 General Electric Company Preloaded laser shock peening
US6551064B1 (en) 1996-07-24 2003-04-22 General Electric Company Laser shock peened gas turbine engine intermetallic parts
JPH11182204A (ja) * 1997-12-15 1999-07-06 Toshiba Corp タービン動翼
US6155789A (en) * 1999-04-06 2000-12-05 General Electric Company Gas turbine engine airfoil damper and method for production
US20130287580A1 (en) * 2012-04-27 2013-10-31 General Electric Company Stress corrosion cracking resistance in superalloys

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB195050A (en) * 1922-03-18 1923-07-19 Bbc Brown Boveri & Cie Improvements in steam turbine blades, and in the method of manufacturing such blades
US2888244A (en) * 1956-05-24 1959-05-26 Thompson Ramo Wooldridge Inc Fluid directing member
US3148954A (en) * 1960-06-13 1964-09-15 Haas Irene Turbine blade construction
US3371908A (en) * 1965-11-02 1968-03-05 Tokyo Shibaura Electric Co Turbine blading components and process of producing the same
AT275283B (de) * 1967-05-26 1969-10-27 Boehler & Co Ag Geb Verfahren zur Herstellung von Turbinenschaufeln
US3729345A (en) * 1967-06-11 1973-04-24 Mitsubishi Heavy Ind Ltd Method for making propellers of high-strength and high-toughness cast steel

Also Published As

Publication number Publication date
AU5228873A (en) 1974-08-22
US3834833A (en) 1974-09-10
CH564147A5 (US06811534-20041102-M00003.png) 1975-07-15
HU165495B (US06811534-20041102-M00003.png) 1974-09-28
DE2211830A1 (de) 1973-08-23
AT316963B (de) 1974-08-12
BE795520A (fr) 1973-06-18
NL7302234A (US06811534-20041102-M00003.png) 1973-08-21
CA1009125A (en) 1977-04-26
FR2172727A5 (US06811534-20041102-M00003.png) 1973-09-28
SE400579B (sv) 1978-04-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee