Volume 33 Issue 4
Aug.  2018
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WANG Long, YOU Lei, ZHEN Hongdong, LIU Feihua, ZENG Xiaochuan, LIU Meng, HU Yichuan. Experimental Study on Fracture Toughness of P 280 GH Used in Main Steam Line[J]. Development and Application of Materials, 2018, 33(4): 59-64. DOI: 10.19515/j.cnki.1003-1545.2018.04.011
Citation: WANG Long, YOU Lei, ZHEN Hongdong, LIU Feihua, ZENG Xiaochuan, LIU Meng, HU Yichuan. Experimental Study on Fracture Toughness of P 280 GH Used in Main Steam Line[J]. Development and Application of Materials, 2018, 33(4): 59-64. DOI: 10.19515/j.cnki.1003-1545.2018.04.011
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Experimental Study on Fracture Toughness of P 280 GH Used in Main Steam Line

  • Sate Key Laboratory of Nuclear Power Safety Monitoring Technology and Equipment, China Nuclear Power Engineering Co., Ltd, Shenzhen 518172, China

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  • Received Date: March 05, 2018
  • Available Online: March 17, 2024
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  • The fracture toughness J-R curve of the main steam pipe material is the necessary design input in LBB application.The fracture toughness of P 280 GH used in main steam line was studied by fracture toughness test according to ASTM E1820-2015 a. The results indicated that the toughness of P 280 GH material was good, and the success rate to obtain effective J-R curve was low by the single sample method. Bounding analysis curve (BAC) was constructed by using effective envelope J-R curve parameters.Resultsshowed that all points representing stresses were located under the BAC, meeting the requirements of LBB application.
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