JPS6345462B2 - - Google Patents

Info

Publication number
JPS6345462B2
JPS6345462B2 JP60003390A JP339085A JPS6345462B2 JP S6345462 B2 JPS6345462 B2 JP S6345462B2 JP 60003390 A JP60003390 A JP 60003390A JP 339085 A JP339085 A JP 339085A JP S6345462 B2 JPS6345462 B2 JP S6345462B2
Authority
JP
Japan
Prior art keywords
sodium
sodium cyanide
acid
aqueous solution
minutes
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
JP60003390A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60224792A (ja
Inventor
Hirushumaiaa Manfureeto
Kuraitoru Yoozefu
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.)
MTU Aero Engines AG
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of JPS60224792A publication Critical patent/JPS60224792A/ja
Publication of JPS6345462B2 publication Critical patent/JPS6345462B2/ja
Granted 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

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
JP60003390A 1984-04-16 1985-01-14 加工材料上のアルミニウム分散層を化学的に除去する方法 Granted JPS60224792A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3414383A DE3414383C2 (de) 1984-04-16 1984-04-16 Verfahren zum chemischen Abtragen von Aluminiumdiffusionsschichten
DE3414383.1 1984-04-16

Publications (2)

Publication Number Publication Date
JPS60224792A JPS60224792A (ja) 1985-11-09
JPS6345462B2 true JPS6345462B2 (https=) 1988-09-09

Family

ID=6233749

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60003390A Granted JPS60224792A (ja) 1984-04-16 1985-01-14 加工材料上のアルミニウム分散層を化学的に除去する方法

Country Status (4)

Country Link
US (1) US4619707A (https=)
EP (1) EP0161387A3 (https=)
JP (1) JPS60224792A (https=)
DE (1) DE3414383C2 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01184282A (ja) * 1988-01-14 1989-07-21 Nishiyama Stainless Chem Kk マスキング剤
US5232619A (en) * 1990-10-19 1993-08-03 Praxair S.T. Technology, Inc. Stripping solution for stripping compounds of titanium from base metals
DE4113283C2 (de) * 1991-04-24 1994-05-05 Kernforschungsz Karlsruhe Verwendung einer Ätzlösung zum selektiven Abätzen einer metallischen Opferschicht bei der Herstellung von Mikrostrukturen
US6042879A (en) * 1997-07-02 2000-03-28 United Technologies Corporation Method for preparing an apertured article to be recoated
US6494960B1 (en) * 1998-04-27 2002-12-17 General Electric Company Method for removing an aluminide coating from a substrate
US6305077B1 (en) * 1999-11-18 2001-10-23 General Electric Company Repair of coated turbine components
US10125425B2 (en) 2013-07-01 2018-11-13 General Electric Company Method for smut removal during stripping of coating
KR101539010B1 (ko) * 2013-12-27 2015-07-24 한국원자력연구원 초내열합금의 에칭 방법 및 이에 따라 에칭된 초내열합금

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649361A (en) * 1949-05-13 1953-08-18 Enthone Method of dissolving metals and compostion therefor
US3095380A (en) * 1958-07-14 1963-06-25 Purex Corp Ltd Composition for removal of heat scale and carbon deposits
US3356550A (en) * 1964-03-16 1967-12-05 Boeing Co Chemical milling of aluminum alloys
US3300349A (en) * 1964-04-15 1967-01-24 Boeing Co Chemical milling process and related solutions for aluminum
US3833414A (en) * 1972-09-05 1974-09-03 Gen Electric Aluminide coating removal method
US4282041A (en) * 1978-12-05 1981-08-04 Rolls-Royce Limited Method for removing aluminide coatings from nickel or cobalt base alloys

Also Published As

Publication number Publication date
DE3414383A1 (de) 1985-10-17
DE3414383C2 (de) 1986-09-04
EP0161387A2 (de) 1985-11-21
US4619707A (en) 1986-10-28
JPS60224792A (ja) 1985-11-09
EP0161387A3 (de) 1987-05-27

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