Evaluation of Welded Joints Structure Defectiveness Based by the Presence of Non-Metallic Inclusions

E. V. Poyarkova, I. R. Kuzeev, K. L. Zabelin

Abstract


Both welded joints and base metal are arranged at different structural-scale levels. Unlike the base metal, welded joint can have structural inclusions of complex composition and spatial geometry. During simulation and forecasting of behavior of various characteristics and properties, welded joints quality assessment is not possible without performance of corresponding metallographic studies. The article discusses the non-metallic inclusions in the oxide and silicate types welding joints and their influence on the formation of the metal mechanical properties.

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DOI: http://dx.doi.org/10.24892/RIJIE/20170205

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