Newly Developed Repairs on Welded Area of LWR Stainless Steel by Friction Surfacing

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概要

• 論文の詳細を見る

• Some of Japan’s ageing operating nuclear power generators are entering their 30th year, which is close to their designed lifespan. With this in mind, JSME (Japan Society of Mechanical Engineer) issued Rules on fitness-for-service for nuclear power plants in May 2000, in which operating plants’ maintenance rules were defined and the urgent need for in-situ repair methods on nuclear power plant flaws stated. Because low heat input repairs are necessary for the aged materials of the plants, the authors developed a new method of friction surfacing repairs to be processed under the melting point of the substrate after the surface grooving of SCC, and demonstrated its applicability in-situ.

• 一般社団法人 日本原子力学会の論文
• 2001-10-25

著者

• Yamashita Yoshihiro

  Nuclear Plant Service Engineering Department Hitachi Ltd.

• Fujita Kazuhiro

  Material Engineering Department Hitachi Engineering Co. Ltd.

関連論文

• Underwater Laser Welding by 4kW CW YAG Laser
• Newly Undertaken Inspections and Repairs for Aged Nuclear Power Generators
• Full-Field Inspection Using Pulsed Laser for Nuclear Plants : Demonstrated by Ultrasonic Simulation Using Finite Difference Method
• Newly Developed Repairs on Welded Area of LWR Stainless Steel by Friction Surfacing

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