CA2071944C - Solution decapante et methode utilisee pour faire disparaitre un revetement de compose de titane d'un metal de base - Google Patents

Solution decapante et methode utilisee pour faire disparaitre un revetement de compose de titane d'un metal de base

Info

Publication number
CA2071944C
CA2071944C CA 2071944 CA2071944A CA2071944C CA 2071944 C CA2071944 C CA 2071944C CA 2071944 CA2071944 CA 2071944 CA 2071944 A CA2071944 A CA 2071944A CA 2071944 C CA2071944 C CA 2071944C
Authority
CA
Canada
Prior art keywords
mole
acid
solution
stripping
source
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 - Fee Related
Application number
CA 2071944
Other languages
English (en)
Other versions
CA2071944A1 (fr
Inventor
Jiinjen Albert Sue
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.)
Praxair ST Technology Inc
Original Assignee
Praxair ST Technology Inc
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 Praxair ST Technology Inc filed Critical Praxair ST Technology Inc
Publication of CA2071944A1 publication Critical patent/CA2071944A1/fr
Application granted granted Critical
Publication of CA2071944C publication Critical patent/CA2071944C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

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)
  • ing And Chemical Polishing (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

Solution de dépouillage aqueuse et méthode pour enlever sélectivement un composé de titane d'un métal de base. La solution aqueuse contient une source de peroxyde d'hydrogène, une source d'ions hydroxyle qui est un hydroxyde alcalin et un acide, les constituants étant présents à une concentration telle que le pH de la solution est supérieur à 8.
CA 2071944 1990-10-19 1991-10-18 Solution decapante et methode utilisee pour faire disparaitre un revetement de compose de titane d'un metal de base Expired - Fee Related CA2071944C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US59983390A 1990-10-19 1990-10-19
US7-599,833 1990-10-19
US74309391A 1991-08-09 1991-08-09
US7-743,093 1991-08-09

Publications (2)

Publication Number Publication Date
CA2071944A1 CA2071944A1 (fr) 1992-04-20
CA2071944C true CA2071944C (fr) 1998-02-03

Family

ID=27083467

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2071944 Expired - Fee Related CA2071944C (fr) 1990-10-19 1991-10-18 Solution decapante et methode utilisee pour faire disparaitre un revetement de compose de titane d'un metal de base

Country Status (5)

Country Link
EP (1) EP0506928B1 (fr)
JP (1) JP2989265B2 (fr)
CA (1) CA2071944C (fr)
DE (1) DE69113020T2 (fr)
WO (1) WO1992007110A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59811875D1 (de) * 1997-11-10 2004-09-30 Unaxis Trading Ag Truebbach Verfahren zum entschichten von körpern
JP4824163B2 (ja) 1998-06-11 2011-11-30 エリコン・トレーディング・アクチェンゲゼルシャフト，トリュープバッハ 硬質材層を除去するための方法
DE102005049249B4 (de) 2005-10-14 2018-03-29 MTU Aero Engines AG Verfahren zur Entschichtung eines Gasturbinenbauteils
JP6101832B2 (ja) * 2016-02-16 2017-03-22 三菱重工業株式会社 酸性水溶液の使用可否判断方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443268A (en) * 1981-11-12 1984-04-17 The Dow Chemical Company Process for removing copper and copper oxide encrustations from ferrous surfaces
FR2564350B1 (fr) * 1984-05-17 1987-11-20 Snecma Procede de reparation par diffusion
FR2601968B1 (fr) * 1986-07-25 1989-04-14 Interox Sa Bains decapants et procede pour eliminer un revetement comprenant du niobium sur un substrat.
JPS6353266A (ja) * 1986-08-22 1988-03-07 Hitachi Ltd サイドシ−ル装置
JPH0622218B2 (ja) * 1988-08-06 1994-03-23 富士通株式会社 エッチング方法

Also Published As

Publication number Publication date
JP2989265B2 (ja) 1999-12-13
JPH05503320A (ja) 1993-06-03
WO1992007110A1 (fr) 1992-04-30
CA2071944A1 (fr) 1992-04-20
DE69113020T2 (de) 1996-04-18
DE69113020D1 (de) 1995-10-19
EP0506928A1 (fr) 1992-10-07
EP0506928B1 (fr) 1995-09-13

Similar Documents

Publication Publication Date Title
Mansfeld et al. The corrosion behavior of copper alloys, stainless steels and titanium in seawater
US5232619A (en) Stripping solution for stripping compounds of titanium from base metals
EP0982765A3 (fr) Procédé de nettoyage d'un substrat semiconducteur
US6406562B1 (en) Method of increasing corrosion resistance of metals and alloys by treatment with rare earth elements
US5391234A (en) Cleaning or stripping composition and method
Breslin et al. The electrochemical behaviour of aluminium activated by gallium in aqueous electrolytes
US4619706A (en) Method for stripping organic coatings from substrates
US4874434A (en) Method of treating a titanium structure
US5232514A (en) Corrosion-inhibiting cleaning systems for aluminum surfaces, particularly aluminum aircraft surfaces
US4746369A (en) Peroxide selective stripping compositions and method
CA2071944C (fr) Solution decapante et methode utilisee pour faire disparaitre un revetement de compose de titane d'un metal de base
EP0797691A1 (fr) Procede de traitement a base d'elements terres rares pour ameliorer la resistance a la corrosion des metaux et alliages
US4608091A (en) Peroxide selective stripping compositions and method
CA1201958A (fr) Composition et methode pour la corrosion des substrats metalliques en presence de l'eau
US6858097B2 (en) Brightening/passivating metal surfaces without hazard from emissions of oxides of nitrogen
Seri et al. The dissolution of FeAl3 intermetallic compound and deposition on aluminum in AlCl3 solution
CA1209886A (fr) Compositions au peroxyde de methode de decapage selectif
Muñoz et al. Corrosion behavior and galvanic studies of brass and bronzes in aqueous lithium bromide solutions
KR101715618B1 (ko) 탈청용 금속 표면처리제
EP0238728A1 (fr) Compositions Inhibition de la corrosion
KR100748054B1 (ko) 질소 산화물 방출로부터의 위험이 없는 금속 표면의브라이트닝화/부동화
JPH05255874A (ja) 酸洗促進剤、酸洗促進剤を含んだ酸洗液組成物およびこれを用いる金属の酸洗促進方法
Shifler et al. The passivity of 304 stainless steel in propylene carbonate solutions
CA1236384A (fr) Dissolutions des metaux utilisant des combinaisons tungstene-diol
Ambat et al. Effect of chloride ion concentration during corrosion of medium strength aluminium alloys 8090, 2091, and 2014

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed