ATE453739T1 - DECOATING PROCESS - Google Patents

DECOATING PROCESS

Info

Publication number
ATE453739T1
ATE453739T1 AT05700310T AT05700310T ATE453739T1 AT E453739 T1 ATE453739 T1 AT E453739T1 AT 05700310 T AT05700310 T AT 05700310T AT 05700310 T AT05700310 T AT 05700310T AT E453739 T1 ATE453739 T1 AT E453739T1
Authority
AT
Austria
Prior art keywords
workpiece
decoating process
aluminium
tools
coating
Prior art date
Application number
AT05700310T
Other languages
German (de)
Inventor
Udo Rauch
Wolfgang Kalss
Christian Wohlrab
Carolina Siebert
Norbert Froemel
Original Assignee
Oerlikon Trading Ag
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
Priority claimed from CH00119/04A external-priority patent/CH705281B1/en
Application filed by Oerlikon Trading Ag filed Critical Oerlikon Trading Ag
Application granted granted Critical
Publication of ATE453739T1 publication Critical patent/ATE453739T1/en

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
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/19—Iron or steel
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
    • C23G1/20—Other heavy metals
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • ing And Chemical Polishing (AREA)
  • Physical Vapour Deposition (AREA)
  • Chemical Vapour Deposition (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

The invention relates to a method and a device for removing a hard material layer system from tools or components. In order to improve said removal method, at least one layer containing chromium and aluminium is directly applied to the workpiece, and the coating of the workpiece is removed by means of an alkali solution containing a strong oxidant.
AT05700310T 2004-01-29 2005-01-14 DECOATING PROCESS ATE453739T1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US54027204P 2004-01-29 2004-01-29
CH00119/04A CH705281B1 (en) 2004-01-29 2004-01-29 Process for removing a layer system from a workpiece comprises applying a chromium- and aluminum-containing layer directly on the workpiece, and removing the coating on the workpiece using an alkaline solution
US62952204P 2004-11-19 2004-11-19
PCT/CH2005/000015 WO2005073433A1 (en) 2004-01-29 2005-01-14 Method for removing a coating and single-chamber device for carrying out said method

Publications (1)

Publication Number Publication Date
ATE453739T1 true ATE453739T1 (en) 2010-01-15

Family

ID=34830701

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05700310T ATE453739T1 (en) 2004-01-29 2005-01-14 DECOATING PROCESS

Country Status (9)

Country Link
EP (1) EP1725700B1 (en)
JP (1) JP4675908B2 (en)
KR (1) KR101118383B1 (en)
AT (1) ATE453739T1 (en)
DE (1) DE502005008787D1 (en)
ES (1) ES2337268T3 (en)
PL (1) PL1725700T3 (en)
PT (1) PT1725700E (en)
WO (1) WO2005073433A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005049249B4 (en) * 2005-10-14 2018-03-29 MTU Aero Engines AG Process for stripping a gas turbine component
KR101046520B1 (en) 2007-09-07 2011-07-04 어플라이드 머티어리얼스, 인코포레이티드 Source gas flow path control in pecvd system to control a by-product film deposition on inside chamber
US9057134B2 (en) 2008-05-02 2015-06-16 Oerlikon Surface Solutions Ag, Trubbach Process for the stripping of workpieces and stripping solution
DE102009042439A1 (en) * 2009-09-22 2011-03-31 Gühring Ohg reclaiming
JP5413144B2 (en) * 2009-11-18 2014-02-12 三菱マテリアル株式会社 Re-polishing / re-coating method for coating hob and re-polishing / re-coating hob
GB2477777B (en) * 2010-02-12 2012-05-23 Univ City Lubrication of screw expanders
MY165291A (en) 2011-06-07 2018-03-21 Oerlikon Surface Solutions Ag Pfaeffikon Stripping process for hard carbon coatings
DE102011105645A1 (en) 2011-06-07 2012-12-13 Oerlikon Trading Ag, Trübbach Method for reactive stripping of tetrahedral carbon layer on semiconductor wafer of e.g. chipping tool, involves performing plasma discharge process in vacuum chamber to support chemical reaction for stripping of carbon on substrate
JP5923033B2 (en) * 2012-12-25 2016-05-24 三和油化工業株式会社 Chromium hard coating stripping solution
JP6590761B2 (en) * 2016-06-21 2019-10-16 三和油化工業株式会社 Chromium hard coating stripping solution
CN110965063B (en) * 2019-11-23 2021-12-10 东莞市新东明科技有限公司 Environment-friendly removal process for PVD (physical vapor deposition) film layer on surface of stainless steel product
CN111676448A (en) * 2020-06-12 2020-09-18 艾瑞森表面技术（苏州）股份有限公司 Preparation method of decoating TiAlCrN nano composite coating
CN111748821B (en) * 2020-06-19 2022-07-08 中国建筑第五工程局有限公司 Reinforcing bar rust cleaning device for building
CN116043235B (en) * 2022-09-02 2024-09-24 浙江瑞特良微电子材料有限公司 Environment-friendly film stripping agent and application thereof in film stripping process

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972359C (en) * 1950-11-22 1959-09-17 Otto Duerr Process and system for the surface treatment of parts, in particular for degreasing, pickling or phosphating of metal parts
JPS50155957U (en) * 1974-06-10 1975-12-24
JPS57104667A (en) * 1980-12-22 1982-06-29 Hitachi Ltd Etching solution for metal
FR2560893B1 (en) * 1984-03-09 1986-09-12 Snecma CHEMICAL STRIPPING BATH FOR HOT-RESISTANT ALLOY PARTS
JPS62232929A (en) * 1986-04-03 1987-10-13 Hitachi Electronics Eng Co Ltd Spin etching unit
JP2597931B2 (en) * 1991-08-19 1997-04-09 株式会社不二越 Removal agent for titanium coating on high speed tool steel
US5330558A (en) * 1993-03-31 1994-07-19 Henkel Corporation Method for removing chromium containing coatings from aluminum substrates
DE4339502C2 (en) * 1993-11-24 1999-02-25 Thoene Carl Stefan Stripping solution for the wet chemical removal of hard material layers and processes for their application
JP3320965B2 (en) * 1995-03-29 2002-09-03 エムエムシーコベルコツール株式会社 Hard film peeling method and recoated member obtained by the method
US5678583A (en) * 1995-05-22 1997-10-21 Howmet Research Corporation Removal of ceramic shell mold material from castings
DE59811875D1 (en) * 1997-11-10 2004-09-30 Unaxis Trading Ag Truebbach METHOD FOR DE-COATING BODIES
JP2001355082A (en) * 2000-06-13 2001-12-25 Canon Inc Etching treating method and system
JP3590579B2 (en) * 2000-12-11 2004-11-17 オーエスジー株式会社 Diamond coated member and method of manufacturing the same
JP2004018977A (en) * 2002-06-19 2004-01-22 Mitsubishi Heavy Ind Ltd Peeling liquid for metallic film
DE10229564B4 (en) * 2002-07-01 2009-07-16 Martin Thum Method and apparatus for chemical deburring and polishing

Also Published As

Publication number Publication date
KR101118383B1 (en) 2012-03-09
EP1725700A1 (en) 2006-11-29
WO2005073433A1 (en) 2005-08-11
DE502005008787D1 (en) 2010-02-11
PL1725700T3 (en) 2010-07-30
PT1725700E (en) 2010-04-05
EP1725700B1 (en) 2009-12-30
KR20060127040A (en) 2006-12-11
JP2007519825A (en) 2007-07-19
ES2337268T3 (en) 2010-04-22
JP4675908B2 (en) 2011-04-27

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