GB9814075D0 - Method of stripping a coating from an aircraft engine part - Google Patents

Method of stripping a coating from an aircraft engine part

Info

Publication number
GB9814075D0
GB9814075D0 GBGB9814075.9A GB9814075A GB9814075D0 GB 9814075 D0 GB9814075 D0 GB 9814075D0 GB 9814075 A GB9814075 A GB 9814075A GB 9814075 D0 GB9814075 D0 GB 9814075D0
Authority
GB
United Kingdom
Prior art keywords
stripping
coating
aircraft engine
engine part
seal
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.)
Ceased
Application number
GBGB9814075.9A
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.)
GE Aircraft Engine Services Ltd
Original Assignee
GE Aircraft Engine Services Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10834622&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB9814075(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by GE Aircraft Engine Services Ltd filed Critical GE Aircraft Engine Services Ltd
Priority to GBGB9814075.9A priority Critical patent/GB9814075D0/en
Publication of GB9814075D0 publication Critical patent/GB9814075D0/en
Priority to PCT/GB1999/002032 priority patent/WO2000000667A1/en
Priority to EP99928117A priority patent/EP1095172B1/en
Priority to AT99928117T priority patent/ATE286994T1/en
Priority to DE69923184T priority patent/DE69923184T2/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
    • 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
    • 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
    • F01D5/288—Protective coatings for blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Coating Apparatus (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

A method of stripping a nickel-aluminum coating from a rotary seal (1), the method comprising immersing the coated seal in a nitric acid stripping solution (14), and subjecting the immersed seal to ultrasonic vibrations (9).
GBGB9814075.9A 1998-06-29 1998-06-29 Method of stripping a coating from an aircraft engine part Ceased GB9814075D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GBGB9814075.9A GB9814075D0 (en) 1998-06-29 1998-06-29 Method of stripping a coating from an aircraft engine part
PCT/GB1999/002032 WO2000000667A1 (en) 1998-06-29 1999-06-29 Method of stripping a coating from a rotary seal of an aircraft engine
EP99928117A EP1095172B1 (en) 1998-06-29 1999-06-29 Method of stripping a coating from a rotary seal of an aircraft engine
AT99928117T ATE286994T1 (en) 1998-06-29 1999-06-29 METHOD FOR REMOVAL OF A COATING OF AN AIRCRAFT ENGINE ROTATING SEAL
DE69923184T DE69923184T2 (en) 1998-06-29 1999-06-29 Method for removing a coating from a rotating seal of an aircraft engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9814075.9A GB9814075D0 (en) 1998-06-29 1998-06-29 Method of stripping a coating from an aircraft engine part

Publications (1)

Publication Number Publication Date
GB9814075D0 true GB9814075D0 (en) 1998-08-26

Family

ID=10834622

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9814075.9A Ceased GB9814075D0 (en) 1998-06-29 1998-06-29 Method of stripping a coating from an aircraft engine part

Country Status (5)

Country Link
EP (1) EP1095172B1 (en)
AT (1) ATE286994T1 (en)
DE (1) DE69923184T2 (en)
GB (1) GB9814075D0 (en)
WO (1) WO2000000667A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG157262A1 (en) * 2008-06-06 2009-12-29 Turbine Overhaul Services Pte Microwave assisted chemical stripping of coatings

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622391A (en) * 1969-04-04 1971-11-23 Alloy Surfaces Co Inc Process of stripping aluminide coating from cobalt and nickel base alloys
IT1040265B (en) * 1975-08-07 1979-12-20 Rolls Royce 1971 Ltd Removal of aluminium diffusion coating from substrates - by means of a strong acid solution
DK38276A (en) * 1975-02-10 1976-08-11 United Technologies Corp PROCEDURE FOR REMOVING ALUMINUM COATINGS
US4274908A (en) * 1978-08-15 1981-06-23 United Technologies Corporation Cyanide free solution and process for removing gold-nickel braze
US4282041A (en) * 1978-12-05 1981-08-04 Rolls-Royce Limited Method for removing aluminide coatings from nickel or cobalt base alloys
US4327134A (en) * 1979-11-29 1982-04-27 Alloy Surfaces Company, Inc. Stripping of diffusion treated metals
US4302246A (en) * 1980-01-03 1981-11-24 Enthone, Incorporated Solution and method for selectively stripping alloys containing nickel with gold, phosphorous or chromium from stainless steel and related nickel base alloys
US4339282A (en) * 1981-06-03 1982-07-13 United Technologies Corporation Method and composition for removing aluminide coatings from nickel superalloys
CA1185152A (en) * 1982-01-22 1985-04-09 Thomas W. Bleeks Selective chemical removal of hard surface coatings from superalloy substrates
FR2564350B1 (en) * 1984-05-17 1987-11-20 Snecma DIFFUSION REPAIR PROCESS
GB8811259D0 (en) * 1988-05-12 1988-06-15 Ae Turbine Components Decontamination method & apparatus
DE4120305C1 (en) * 1991-06-20 1992-08-27 Mtu Muenchen Gmbh
EP0713957A1 (en) * 1994-11-25 1996-05-29 FINMECCANICA S.p.A. AZIENDA ANSALDO Method of repairing the coating of turbine blades
US5695659A (en) * 1995-11-27 1997-12-09 United Technologies Corporation Process for removing a protective coating from a surface of an airfoil

Also Published As

Publication number Publication date
EP1095172A1 (en) 2001-05-02
DE69923184D1 (en) 2005-02-17
DE69923184T2 (en) 2006-03-02
ATE286994T1 (en) 2005-01-15
WO2000000667A1 (en) 2000-01-06
EP1095172B1 (en) 2005-01-12

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)