Volume 23 Issue 5
Oct.  2008
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SONG Wen-ming, ZHANG Yu-fu, ZHANG Jin-wei, YANG Gui-rong, ZHONG Yan-ping, MA Ying, HAO Yuan. Fracture Analysis of Distributing Pipes of Fractured Reactor[J]. Development and Application of Materials, 2008, 23(5): 67-70. DOI: 10.19515/j.cnki.1003-1545.2008.05.016
Citation: SONG Wen-ming, ZHANG Yu-fu, ZHANG Jin-wei, YANG Gui-rong, ZHONG Yan-ping, MA Ying, HAO Yuan. Fracture Analysis of Distributing Pipes of Fractured Reactor[J]. Development and Application of Materials, 2008, 23(5): 67-70. DOI: 10.19515/j.cnki.1003-1545.2008.05.016
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Fracture Analysis of Distributing Pipes of Fractured Reactor

  • 1. Lanzhou Petroleum Machinery Institute, Lanzhou 730000, China;

  • 2. State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, China;

  • 3. Key Laboratory of Non-ferrous Metal Alloys and Processing, The Ministry of Education, Lanzhou University of Technology, Lanzhou 730050, China

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  • Received Date: April 15, 2008
  • Available Online: March 29, 2024
    Graphical Abstract
    • Abstract
  • The macro-appearance, micro-structure, chemical component, hardness, phases composition and the appearance of fracture for distributing pipes of fractured reactor were investigated.The results show that the oxidation corrosion happened on outside surface of distributing pipe, which resulted in the oxidation crack at the interface of crystal on the surface of the distributing pipe when the distributing pipe of reactor worked on its running conditions.The decomposing of NH3 induced the nitriding on the inside surface of the pipes.Nitride was synthesized conformed from the microstructure and chemical results, which belong to the brittle phases.The outside surface of pipe tends to crack under the condition of vibration, which induced the failure of the distributing pipes of fractured reactor.
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