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FR2912760B1 - Procede et composition pour eliminer des depots de particules de seconde phase riches en niobium sur des alliages de zirconium-niobium decapes - Google Patents

Procede et composition pour eliminer des depots de particules de seconde phase riches en niobium sur des alliages de zirconium-niobium decapes

Info

Publication number
FR2912760B1
FR2912760B1 FR0850977A FR0850977A FR2912760B1 FR 2912760 B1 FR2912760 B1 FR 2912760B1 FR 0850977 A FR0850977 A FR 0850977A FR 0850977 A FR0850977 A FR 0850977A FR 2912760 B1 FR2912760 B1 FR 2912760B1
Authority
FR
France
Prior art keywords
niobium
rich
phase particles
decayed
zirconium
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
FR0850977A
Other languages
English (en)
Other versions
FR2912760A1 (fr
Inventor
David F Mclaughlin
Vanessa R Yochum
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.)
Westinghouse Electric Co LLC
Original Assignee
Westinghouse Electric Co LLC
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 Westinghouse Electric Co LLC filed Critical Westinghouse Electric Co LLC
Publication of FR2912760A1 publication Critical patent/FR2912760A1/fr
Application granted granted Critical
Publication of FR2912760B1 publication Critical patent/FR2912760B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/32—Alkaline compositions
    • 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
    • C23G1/205—Other heavy metals refractory metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C16/00—Alloys based on zirconium
    • 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
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/32—Alkaline compositions
    • C23F1/38—Alkaline compositions for etching refractory metals
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
    • G21C21/02—Manufacture of fuel elements or breeder elements contained in non-active casings
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/06—Casings; Jackets
    • G21C3/07—Casings; Jackets characterised by their material, e.g. alloys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)

Abstract

Procédé et composition chimique pour éliminer des particules de seconde phase (PSP) riches en niobium qui adhèrent à la surface d'alliages de zirconium contenant du niobium et soumis à un décapage, comprenant l'application, à la surface de l'alliage, d'une composition chimique comprenant du peroxyde d'hydrogène alcalin, un métasilicate de métal alcalin et un sel de magnésium.
FR0850977A 2007-02-15 2008-02-15 Procede et composition pour eliminer des depots de particules de seconde phase riches en niobium sur des alliages de zirconium-niobium decapes Expired - Fee Related FR2912760B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88999707P 2007-02-15 2007-02-15
US12/029,527 US7556696B2 (en) 2007-02-15 2008-02-12 Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys

Publications (2)

Publication Number Publication Date
FR2912760A1 FR2912760A1 (fr) 2008-08-22
FR2912760B1 true FR2912760B1 (fr) 2011-09-09

Family

ID=39650889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0850977A Expired - Fee Related FR2912760B1 (fr) 2007-02-15 2008-02-15 Procede et composition pour eliminer des depots de particules de seconde phase riches en niobium sur des alliages de zirconium-niobium decapes

Country Status (4)

Country Link
US (2) US7556696B2 (fr)
KR (1) KR101368098B1 (fr)
FR (1) FR2912760B1 (fr)
SE (1) SE532592C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7468106B2 (en) * 2006-10-31 2008-12-23 Westinghouse Electric Co Llc Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys
US7556696B2 (en) * 2007-02-15 2009-07-07 Westinghouse Electric Co Llc Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys
CN113770366A (zh) * 2020-06-10 2021-12-10 安泰科技股份有限公司 一种制备难熔金属3d打印用粉的方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838459A (en) 1955-02-01 1958-06-10 Pennsalt Chemicals Corp Stabilization of solutions containing peroxygen compounds
BE605773A (fr) * 1960-07-07
US3951594A (en) * 1972-11-27 1976-04-20 Pennwalt Corporation Hydrogen peroxide bleaching solutions and process
US4731161A (en) * 1986-07-31 1988-03-15 Union Camp Corporation Semibleaching liquor for Kraft paper products
JPH0696719B2 (ja) * 1988-11-30 1994-11-30 花王株式会社 漂白剤及び漂白洗浄剤組成物
US4915785A (en) 1988-12-23 1990-04-10 C-I-L Inc. Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate
KR950002111B1 (ko) * 1992-10-17 1995-03-13 김대헌 발생기 산소를 포함한 폐수처리용 cod제거 조성물
US5496542A (en) * 1993-10-25 1996-03-05 Church & Dwight Co., Inc. Stable sodium percarbonate formulation
TW268980B (fr) * 1994-02-02 1996-01-21 Novo Nordisk As
CZ285638B6 (cs) * 1994-10-07 1999-10-13 Eka Chemicals Ab Částice obsahující peroxysloučeninu a prostředek, který je obsahuje
US6083892A (en) * 1997-08-19 2000-07-04 The Procter & Gamble Company Automatic dishwashing detergents comprising β-ketoester pro-fragrances
EP1275708B1 (fr) * 2001-07-10 2008-01-16 Kao Corporation Compositions de blanchiment liquides à deux composants
DE10340542A1 (de) * 2003-09-01 2005-03-24 Henkel Kgaa Mund- und Zahnpflegemittel
US7468106B2 (en) * 2006-10-31 2008-12-23 Westinghouse Electric Co Llc Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys
US7556696B2 (en) * 2007-02-15 2009-07-07 Westinghouse Electric Co Llc Removal of niobium second phase particle deposits from pickled zirconium-niobium alloys

Also Published As

Publication number Publication date
FR2912760A1 (fr) 2008-08-22
US7556696B2 (en) 2009-07-07
KR20080076826A (ko) 2008-08-20
US7887638B2 (en) 2011-02-15
US20090165596A1 (en) 2009-07-02
SE0800338L (sv) 2008-08-16
SE532592C2 (sv) 2010-03-02
US20080230090A1 (en) 2008-09-25
KR101368098B1 (ko) 2014-02-27

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