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    • 66. 发明专利
    • Method of inspecting fuel cladding tube, and device therefor
    • 检查燃油密封管的方法及其装置
    • JP2007232720A
    • 2007-09-13
    • JP2007042154
    • 2007-02-22
    • Areva Np Gmbhアレヴァ エンペー ゲゼルシャフト ミット ベシュレンクテル ハフツング
    • MODEL KILIANMUELLER CHRISTIAN
    • G21C17/06
    • G21C17/06G01N17/02G21Y2002/304G21Y2004/30G21Y2004/40
    • PROBLEM TO BE SOLVED: To provide a method of inspecting a fuel cladding tube 14, capable of evaluating a corrosion behavior close to that in an actual operation of the fuel cladding tube 14, and a device 2 suitable for executing the method. SOLUTION: The fuel cladding tube 14 is immersed partially into a peripheral medium M and is heated from its inside, an electrode potential of the fuel cladding tube 14 is measured with respect to a reference electrode 54, and a material characteristic of the fuel cladding tube 14, i.e. a corrosion characteristic, is estimated, based on a measured data. The device 2 for executing the method has a pressure container 4 having a through opening 12 penetrated in a container wall 6, filled with the peripheral medium M, and inserted with the fuel cladding tube 14 through the through opening 12, a heater 40 arranged in a tube inside space of the fuel cladding tube 14, and an electric insulating sealing body 24 arranged between the fuel cladding tube 14 and the container wall 6. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种检查燃料包层管14的方法,该方法能够评估与燃料包壳14的实际操作中接近的腐蚀行为,以及适用于执行该方法的装置2。 解决方案:燃料包层管14部分地浸入周边介质M中并从其内部被加热,燃料包层14的电极电位相对于参考电极54被测量,并且材料特性 基于测量数据来估计燃料包层管14,即腐蚀特性。 用于执行该方法的装置2具有一个压力容器4,该压力容器4具有穿过容器壁6的通孔12,填充有周边介质M,并通过通孔12插入燃料包层管14;加热器40, 燃料包层14的管内空间,以及布置在燃料包层14和容器壁6之间的电绝缘密封体24.(C)2007,JPO&INPIT