• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 13 Issue 5
Oct.  2000
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Article Contents
CHENPeng, JIANG Hai-sheng. The Effect of the Non-Metallic Inclusion in 14MnNbq Steelon the Impact Value of Welded Joints at Low Temperature[J]. Journal of Southwest Jiaotong University, 2000, 13(5): 457-459.
Citation: CHENPeng, JIANG Hai-sheng. The Effect of the Non-Metallic Inclusion in 14MnNbq Steel on the Impact Value of Welded Joints at Low Temperature[J]. Journal of Southwest Jiaotong University, 2000, 13(5): 457-459.

The Effect of the Non-Metallic Inclusion in 14MnNbq Steel on the Impact Value of Welded Joints at Low Temperature

  • Publish Date: 25 Oct 2000
  • The effect of the non-metallic inclusion in 14MnNbq steel on the mechanical properties of welded joints is discussed and analyzed. The result shows that there are a lot of sulfide inclusions (MnS, FeS) in 14MnNbq steel. These non-metallic inclusions badly dispersed in the steel are harmful to the mechanical properties of the welded joint. Their existence will decrease the impact value of the welded joint at low temperature, and increase the discreteness of the measured data.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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