ESTUDIO SOBRE LA DISOLUCION DE FASE SIGMA EN UN ACERO DUPLEX S31803

Authors

  • Jorge L. Garín
  • Rodolfo L. Mannheim
  • Manuel A. Camus

Abstract

The present article describes the microstructural characteristics of formation and further dissolution of sigma-phase in a S31806 duplex steel. The experimental procedure was carried out  by annealing of sigma-bearing specimens at temperatures within the range from 1173 K to 1323 K. The main results show that the transformation of sigma-phase into ferrite does not longer proceed at temperatures below 1173 K, while the increase of temperature above that level increases the dissolution rate, which reaches completion after heating for 1 hour at 1323 K. During the process the content of austenite remains approximately constant.

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Published

2010-06-14

How to Cite

Garín, J. L., Mannheim, R. L., & Camus, M. A. (2010). ESTUDIO SOBRE LA DISOLUCION DE FASE SIGMA EN UN ACERO DUPLEX S31803. LatinAmerican Journal of Metallurgy and Materials, 46–53. Retrieved from https://www.rlmm.org/ojs/index.php/rlmm/article/view/59

Issue

2010, 30(1)

Section

Regular Articles

License

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