FR2636349B1 - Methode pour controler la suppression d'un element contaminant metallique de la surface d'une piece metallique - Google Patents

Methode pour controler la suppression d'un element contaminant metallique de la surface d'une piece metallique

Info

Publication number
FR2636349B1
FR2636349B1 FR8911836A FR8911836A FR2636349B1 FR 2636349 B1 FR2636349 B1 FR 2636349B1 FR 8911836 A FR8911836 A FR 8911836A FR 8911836 A FR8911836 A FR 8911836A FR 2636349 B1 FR2636349 B1 FR 2636349B1
Authority
FR
France
Prior art keywords
metal
removal
controlling
contaminant element
metal part
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
FR8911836A
Other languages
English (en)
Other versions
FR2636349A1 (fr
Inventor
R. Jaworowski Mark
A. Gruver Gary
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of FR2636349A1 publication Critical patent/FR2636349A1/fr
Application granted granted Critical
Publication of FR2636349B1 publication Critical patent/FR2636349B1/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
    • 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
    • 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
FR8911836A 1988-09-09 1989-09-11 Methode pour controler la suppression d'un element contaminant metallique de la surface d'une piece metallique Expired - Fee Related FR2636349B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/242,759 US4886552A (en) 1988-09-09 1988-09-09 Method for monitoring the removal of a metallic contaminant from the surface of a metallic article

Publications (2)

Publication Number Publication Date
FR2636349A1 FR2636349A1 (fr) 1990-03-16
FR2636349B1 true FR2636349B1 (fr) 1994-05-13

Family

ID=22916078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8911836A Expired - Fee Related FR2636349B1 (fr) 1988-09-09 1989-09-11 Methode pour controler la suppression d'un element contaminant metallique de la surface d'une piece metallique

Country Status (3)

Country Link
US (1) US4886552A (fr)
FR (1) FR2636349B1 (fr)
GB (1) GB2223764B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9000166L (sv) * 1990-01-17 1991-07-18 Eka Nobel Ab Redoxreglering
FR2778925B1 (fr) * 1998-05-25 2001-03-02 Ecole Nale Sup Artes Metiers Procede permettant d'accelerer la dissolution du zinc dans des suspensions basiques et dispositif de detection de la fin de dissolution
US6176999B1 (en) * 1998-12-18 2001-01-23 United Technologies Corporation Feedback controlled stripping of airfoils
CA2473197A1 (fr) * 2001-02-20 2002-08-29 Lexicon Genetics Incorporated Nouvelle protease humaine et polynucleotides codant pour ladite protease
EP1473387A1 (fr) * 2003-05-02 2004-11-03 Siemens Aktiengesellschaft Procédé de décapage d'une couche d'une pièce
US7115171B2 (en) * 2004-12-27 2006-10-03 General Electric Company Method for removing engine deposits from turbine components and composition for use in same
US7239121B2 (en) 2005-03-11 2007-07-03 Hitachi Global Storage Technologies Netherlands B.V. Quantative extraction of micro particles from metallic disk spacer rings
DE102007061806A1 (de) * 2007-12-19 2009-06-25 Mettler-Toledo Ag Verfahren zur Regeneration amperometrischer Sensoren
US20100147481A1 (en) * 2008-12-15 2010-06-17 General Electric Company Methods of manufacturing casted articles, and systems
US8616077B2 (en) * 2009-08-05 2013-12-31 United Technologies Corporation Non-destructive inspection method for metallic alloys
US8465979B2 (en) * 2011-02-24 2013-06-18 General Electric Company Method for detecting tin
US20220290322A1 (en) * 2021-03-12 2022-09-15 Raytheon Technologies Corporation Systems, formulations, and methods for removal of diffusion coating from airfoils
CN116499074B (zh) * 2023-06-29 2023-08-25 天津海森诺海洋科技有限公司 一种降低空气净化器运行噪音的控制方法及空气净化器

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Publication number Priority date Publication date Assignee Title
US2457234A (en) * 1943-09-25 1948-12-28 Armour Res Found Apparatus for electrolytically determining the thickness of metal coatings
US2657177A (en) * 1950-07-10 1953-10-27 United States Steel Corp Plating thickness regulator
US2697673A (en) * 1951-03-17 1954-12-21 Cyrus Wm Rice & Company Inc Method of cleansing metal
US3694334A (en) * 1969-04-10 1972-09-26 Centro Speriment Metallurg Acid pickling of stainless steels
SE340392B (fr) * 1969-05-27 1971-11-15 Asea Ab
US3684673A (en) * 1970-06-29 1972-08-15 Hammond Machinery Builders Inc Method and apparatus for analyzing and controlling the cleaning operation of an electrochemical grinding device
US4006063A (en) * 1970-10-08 1977-02-01 Minas Ensanian Method for measuring surface characteristics of metals and metalloids
GB1434199A (en) * 1972-10-19 1976-05-05 Wilkinson Sword Ltd Selective electrolytic dissolution of predetermined metals
US3873512A (en) * 1973-04-30 1975-03-25 Martin Marietta Corp Machining method
DE2410927C3 (de) * 1974-03-05 1978-11-16 Kollmorgen Corp., Glen Cove, N.Y. (V.St.A.) Meßsonde für Schichtdickenmessungen und Verfahren zur Messung der Schichtdicke bzw. der Abscheidungsgeschwindigkeit mittels dieser Sonde
US4019129A (en) * 1975-06-02 1977-04-19 Bell Telephone Laboratories, Incorporated Metallic plating testing apparatus
US4058438A (en) * 1975-07-18 1977-11-15 The United States Of America As Represented By The Secretary Of The Army Rapid universal sensing cell
US4153517A (en) * 1978-05-22 1979-05-08 Shell Oil Company Detecting trace lead in gasolines
JPS5639822A (en) * 1979-08-30 1981-04-15 Inoue Japax Res Inc Electric wire cutter
US4343686A (en) * 1981-02-27 1982-08-10 Sprague Electric Company Method for controlling etching of electrolytic capacitor foil
JPS58141531A (ja) * 1982-02-18 1983-08-22 Toshiba Corp 半導体素子用金属薄膜エツチング装置
NL8201558A (nl) * 1982-04-14 1983-11-01 Philips Nv Inrichting voor het continu meten van de capaciteit van folie voor elektrolytkondensatoren.

Also Published As

Publication number Publication date
US4886552A (en) 1989-12-12
FR2636349A1 (fr) 1990-03-16
GB2223764A (en) 1990-04-18
GB8920308D0 (en) 1989-10-25
GB2223764B (en) 1992-11-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080531