Influence of the filler material on the pitting corrosion in welded duplex stainless steel 2205

Authors

  • C. J. Múnez Departamento de Ciencia e Ingeniería de Materiales. Escuela Superior de Ciencias Experimentales y Tecnología. Universidad Rey Juan Carlos
  • M. V. Utrilla Departamento de Ciencia e Ingeniería de Materiales. Escuela Superior de Ciencias Experimentales y Tecnología. Universidad Rey Juan Carlos
  • A. Ureña Departamento de Ciencia e Ingeniería de Materiales. Escuela Superior de Ciencias Experimentales y Tecnología. Universidad Rey Juan Carlos
  • E. Otero Departamento de Ciencia e Ingeniería de Materiales. Escuela Superior de Ciencias Experimentales y Tecnología. Universidad Rey Juan Carlos

DOI:

https://doi.org/10.3989/revmetalm.2007.v43.i4.70

Keywords:

Duplex stainless steel, Gas metal arc welding, Critical temperature pitting

Abstract


In this work, it has been studied the pitting corrosion resistance of welding duplex stainless steel 2205. Unions were made by GMAW process with different fillers: duplex ER 2209 and two austenitic (ER 316LSi and ER 308LSi). The microstructure obtained with the duplex ER 2209 filler is similar to the duplex 2205 base material, but the unions produced with the austenitic fillers cause a decrease of the phases relation a/g. To evaluate the influence of the filler on the weld, the pitting corrosion resistance was determined by electrochemical critical pitting temperature test (TCP) and the mechanical properties by the hardness. The phases imbalance produced for the dissimilar fillers bring out a variation of the pitting corrosion resistance and the mechanical properties.

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References

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Published

2007-08-30

How to Cite

Múnez, C. J., Utrilla, M. V., Ureña, A., & Otero, E. (2007). Influence of the filler material on the pitting corrosion in welded duplex stainless steel 2205. Revista De Metalurgia, 43(4), 245–251. https://doi.org/10.3989/revmetalm.2007.v43.i4.70

Issue

Vol. 43 No. 4 (2007)

Section

Articles

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