EP1706522A1 - Method for the electrochemical removal of layers from components - Google Patents
Method for the electrochemical removal of layers from componentsInfo
- Publication number
- EP1706522A1 EP1706522A1 EP04816277A EP04816277A EP1706522A1 EP 1706522 A1 EP1706522 A1 EP 1706522A1 EP 04816277 A EP04816277 A EP 04816277A EP 04816277 A EP04816277 A EP 04816277A EP 1706522 A1 EP1706522 A1 EP 1706522A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stripping
- polarization
- electrochemical
- voltage potential
- voltage
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F5/00—Electrolytic stripping of metallic layers or coatings
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/14—Etching locally
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004002763A DE102004002763A1 (en) | 2004-01-20 | 2004-01-20 | Method for electrochemical removal of layers from components with prior determination of a working point for their removal useful for stripping coated gas turbine blades |
PCT/DE2004/002799 WO2005068689A1 (en) | 2004-01-20 | 2004-12-22 | Method for the electrochemical removal of layers from components |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1706522A1 true EP1706522A1 (en) | 2006-10-04 |
EP1706522B1 EP1706522B1 (en) | 2013-04-24 |
Family
ID=34716687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04816277.0A Not-in-force EP1706522B1 (en) | 2004-01-20 | 2004-12-22 | Method for the electrochemical removal of layers from components |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080283416A1 (en) |
EP (1) | EP1706522B1 (en) |
JP (1) | JP4727592B2 (en) |
DE (1) | DE102004002763A1 (en) |
WO (1) | WO2005068689A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080202552A1 (en) * | 2006-12-07 | 2008-08-28 | Lawrence Bernard Kool | Method for selectively removing coatings from metal substrates |
DE102010046372A1 (en) * | 2010-09-24 | 2012-03-29 | Oerlikon Trading Ag, Trübbach | Method for stripping workpieces |
CN103088398B (en) * | 2011-10-31 | 2016-05-11 | 通用电气公司 | Multi-channel electrochemical removes metallic coating system and control circuit thereof |
DE102017213168A1 (en) | 2017-07-31 | 2019-01-31 | Carl Zeiss Smt Gmbh | Method for treating an EUV optical wavelength reflective element, method for its production and device for treatment |
DE102017220726A1 (en) | 2017-11-20 | 2018-12-13 | Carl Zeiss Smt Gmbh | Method for operating a reflective optical element |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU186150B (en) * | 1982-10-29 | 1985-06-28 | Latszereszeti Eszkoezoek Gyara | Process for the removal electrolitically of nickel, chrome ot gold layers from the surface of copper or cupric alloys and equipemnt for carrying out the process |
DE3873038D1 (en) * | 1987-12-01 | 1992-08-27 | Bbc Brown Boveri & Cie | METHOD FOR ELECTROLYTICALLY DETACHING A SURFACE PROTECTIVE LAYER HAVING A HIGH CR AND NI AND / OR CO CONTENT FROM THE BASE OF A COMPONENT COMPOSED FROM A SUPER ALLOY. |
DE19840471A1 (en) * | 1998-09-04 | 2000-03-09 | Schmid Gmbh & Co Geb | Apparatus for removal of coating from an article comprises devices which monitor voltage and/or current or potential variation, and are electrically connected to the control system of the apparatus |
US6176999B1 (en) * | 1998-12-18 | 2001-01-23 | United Technologies Corporation | Feedback controlled stripping of airfoils |
US6428683B1 (en) * | 2000-12-15 | 2002-08-06 | United Technologies Corporation | Feedback controlled airfoil stripping system with integrated water management and acid recycling system |
US6599416B2 (en) * | 2001-09-28 | 2003-07-29 | General Electric Company | Method and apparatus for selectively removing coatings from substrates |
TWI231831B (en) * | 2001-10-11 | 2005-05-01 | Shipley Co Llc | Stripping solution |
US7033466B2 (en) * | 2002-09-27 | 2006-04-25 | United Technologies Corporation | Electrochemical stripping using single loop control |
EP1473387A1 (en) * | 2003-05-02 | 2004-11-03 | Siemens Aktiengesellschaft | Method for stripping a coating from a part |
-
2004
- 2004-01-20 DE DE102004002763A patent/DE102004002763A1/en not_active Ceased
- 2004-12-22 WO PCT/DE2004/002799 patent/WO2005068689A1/en active Application Filing
- 2004-12-22 EP EP04816277.0A patent/EP1706522B1/en not_active Not-in-force
- 2004-12-22 JP JP2006549850A patent/JP4727592B2/en not_active Expired - Fee Related
- 2004-12-22 US US10/586,418 patent/US20080283416A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2005068689A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20080283416A1 (en) | 2008-11-20 |
WO2005068689A1 (en) | 2005-07-28 |
JP2007518882A (en) | 2007-07-12 |
DE102004002763A1 (en) | 2005-08-04 |
JP4727592B2 (en) | 2011-07-20 |
EP1706522B1 (en) | 2013-04-24 |
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