Volume 26 Issue 5
Oct.  2011
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YANG Xiao-jie, YANG Jun, CHEN Xian-jing, YUAN Xing-dong, WU Dong-ting. Fracture Analysis of the Fire Hose Coupling[J]. Development and Application of Materials, 2011, 26(5): 60-62,67. DOI: 10.19515/j.cnki.1003-1545.2011.05.014
Citation: YANG Xiao-jie, YANG Jun, CHEN Xian-jing, YUAN Xing-dong, WU Dong-ting. Fracture Analysis of the Fire Hose Coupling[J]. Development and Application of Materials, 2011, 26(5): 60-62,67. DOI: 10.19515/j.cnki.1003-1545.2011.05.014
shu

Fracture Analysis of the Fire Hose Coupling

  • 1. Shandong Supervision and Inspection Institute for Product Quality, Ji'nan 250100, China;

  • 2. Shandong Key Lab for Testing Technology of Material Chemical Safety, Jinan 250103, China;

  • 3. School of Material Science and Engineering, Shandong Jianzhu University, Ji'nan 250101, China

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  • Received Date: June 13, 2011
  • Available Online: March 28, 2024
    Graphical Abstract
    • Abstract
  • The fracture analysis of fire hose coupling was conducted by macro and micro appearance observation,chemical composition analysis and metallurgical structure inspection.Resultsshow that the main cause of fire hose coupling cracking is that micro cracks formed in the iron phase during the process of pressure experiment.In addition,the oxide destroys the continuity of substrate,which results in a high stress concentration.
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