FR2972460B1 - Procede de traitement d'une surface exterieure d'un element tubulaire pour ameliorer la resistance a l'usure et a la corrosion dans un reacteur nucleaire refroidi a l'eau, et systeme correspondant - Google Patents

Procede de traitement d'une surface exterieure d'un element tubulaire pour ameliorer la resistance a l'usure et a la corrosion dans un reacteur nucleaire refroidi a l'eau, et systeme correspondant Download PDF

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Publication number
FR2972460B1
FR2972460B1 FR1252022A FR1252022A FR2972460B1 FR 2972460 B1 FR2972460 B1 FR 2972460B1 FR 1252022 A FR1252022 A FR 1252022A FR 1252022 A FR1252022 A FR 1252022A FR 2972460 B1 FR2972460 B1 FR 2972460B1
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France
Prior art keywords
resistance
tubular element
wear
corrosion
water
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FR1252022A
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English (en)
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FR2972460A1 (fr
Inventor
Nagwa M Elshaik
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Westinghouse Electric Co LLC
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Westinghouse Electric Co LLC
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Application filed by Westinghouse Electric Co LLC filed Critical Westinghouse Electric Co LLC
Publication of FR2972460A1 publication Critical patent/FR2972460A1/fr
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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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • 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
    • G21C21/18—Manufacture of control elements covered by group G21C7/00
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/10—Construction of control elements
    • G21C7/117—Clusters of control rods; Spider construction
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

L'invention concerne des éléments tubulaires, tels que des barres de contrôles 34, qui sont conçus pour être utilisés dans de l'eau à haute pression et à des températures élevées dans des réacteurs nucléaires, tels que des réacteurs nucléaires à eau sous pression. En particulier, il s'agit d'un procédé pour améliorer la résistance à l'usure et la résistance à la corrosion par dépôt d'un revêtement protecteur ayant une profondeur comprise entre environ 5 et environ 25 µm sur la surface des éléments tubulaires. Le revêtement est réalisé par nitruration de l'élément tubulaire à une température comprise entre environ 400°C et environ 440°C. La nitruration de l'élément tubulaire peut être réalisée pendant une durée comprise entre environ 12 heures et environ 40 heures. L'invention concerne également un système de traitement pour traiter des éléments tubulaires tels que des barres de contrôles 34.
FR1252022A 2011-03-10 2012-03-06 Procede de traitement d'une surface exterieure d'un element tubulaire pour ameliorer la resistance a l'usure et a la corrosion dans un reacteur nucleaire refroidi a l'eau, et systeme correspondant Active FR2972460B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/044,690 US8699655B2 (en) 2011-03-10 2011-03-10 Method of improving wear and corrosion resistance of rod control cluster assemblies

Publications (2)

Publication Number Publication Date
FR2972460A1 FR2972460A1 (fr) 2012-09-14
FR2972460B1 true FR2972460B1 (fr) 2021-01-08

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FR1252022A Active FR2972460B1 (fr) 2011-03-10 2012-03-06 Procede de traitement d'une surface exterieure d'un element tubulaire pour ameliorer la resistance a l'usure et a la corrosion dans un reacteur nucleaire refroidi a l'eau, et systeme correspondant

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US (1) US8699655B2 (fr)
FR (1) FR2972460B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2980804B1 (fr) * 2011-09-30 2014-06-27 Areva Np Procede de realisation a partir d'une ebauche en acier inoxydable austenitique a faible teneur en carbone d'une gaine resistant a l'usure et a la corrosion pour reacteur nucleaire, gaine et grappe de commande correspondantes
FR2980803B1 (fr) * 2011-09-30 2013-10-25 Areva Np Procede de realisation d'une piece en acier inoxydable resistant a l'usure et a la corrosion pour reacteur nucleaire, piece et grappe de commande correspondantes.
RU2542329C1 (ru) * 2013-09-30 2015-02-20 Открытое Акционерное Общество "Акмэ-Инжиниринг" Способ внутриконтурной пассивации стальных поверхностей ядерного реактора
JP5830586B1 (ja) 2014-07-23 2015-12-09 株式会社Ihi 浸炭装置
CN106652726B (zh) * 2017-01-16 2018-03-20 中国核动力研究设计院 一种运动条件下出口流体温度可控的氮气稳压实验装置
CN108060387A (zh) * 2018-01-17 2018-05-22 上海核工程研究设计院有限公司 一种表面改性的核电站控制棒驱动机构钩爪

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109157A (en) * 1975-12-18 1978-08-22 Kawasaki Jukogyo Kabushiki Kaisha Apparatus for ion-nitriding
DE2657078C2 (de) * 1975-12-29 1984-08-16 Kawasaki Jukogyo K.K., Kobe, Hyogo Einrichtung zur Gleichstrom-Ionennitrierung von Werkstücken
JPS5368641A (en) * 1976-12-01 1978-06-19 Kawasaki Heavy Ind Ltd Ionic nitriding treatment device
US4179618A (en) * 1976-12-01 1979-12-18 Kawasaki Jukogyo Kabushiki Kaisha Apparatus for ion-nitriding treatment
JPS5458636A (en) * 1977-10-20 1979-05-11 Kawasaki Heavy Ind Ltd Ion nitriding method
JPS5458637A (en) * 1977-10-20 1979-05-11 Kawasaki Heavy Ind Ltd Ion nitriding method
JPS5514839A (en) * 1978-07-14 1980-02-01 Kawasaki Heavy Ind Ltd Treating method for ion nitriding
US4704168A (en) * 1984-10-16 1987-11-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ion-beam nitriding of steels
FR2604188B1 (fr) * 1986-09-18 1992-11-27 Framatome Sa Element tubulaire en acier inoxydable presentant une resistance a l'usure amelioree
JP2991759B2 (ja) * 1990-09-28 1999-12-20 日本電子工業株式会社 窒化処理鋼の製造方法
US5244375A (en) * 1991-12-19 1993-09-14 Formica Technology, Inc. Plasma ion nitrided stainless steel press plates and applications for same
US5274686A (en) * 1992-09-25 1993-12-28 Combustion Engineering, Inc. Anodic vacuum arc deposition
US5267289A (en) * 1992-09-25 1993-11-30 Combustion Engineering, Inc. Ion implantation of nuclear fuel assembly components using cathodic vacuum arc source

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Publication number Publication date
FR2972460A1 (fr) 2012-09-14
US20120230459A1 (en) 2012-09-13
US8699655B2 (en) 2014-04-15

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