@ARTICLE{Brodziak-Hyska_A._Kinetics_2014, author={Brodziak-Hyska, A. and Stradomski, Z. and Kolan, C.}, number={No 1}, journal={Archives of Foundry Engineering}, howpublished={online}, year={2014}, publisher={The Katowice Branch of the Polish Academy of Sciences}, abstract={The examined material comprised two grades of corrosion-resistant cast steel, namely GX2CrNiMoN25-6-3 and GX2CrNiMoCuN25-6-3- 3, used for example in elements of systems of wet flue gas desulphurisation in power industry. The operating conditions in media heated up to 70°C and containing Cl- and SO4 ions and solid particles produce high erosive and corrosive wear.The work proposes an application of the σ phase as a component of precipitation strengthening mechanism in order to increase the functional properties of the material. The paper presents the results of examination of the kinetics of σ phase precipitation at a temperature of 800°C and at times ranging from 30 to 180 minutes. Changes in the morphology of precipitates of the σ phase were determined using the value of shape factor R. Resistance to erosion-corrosion wear of duplex cast steel was correlated with the kinetics of sigma phase precipitating.}, type={Artykuły / Articles}, title={Kinetics of the σ Phase Precipitation in Respect of Erosion-corrosion Wear of Duplex Cast Steel}, URL={http://www.journals.pan.pl/Content/87756/PDF/04_paper.pdf}, doi={10.2478/afe-2014-0004}, keywords={Innovative Foundry Materials and Technologies, duplex cast steel, Sigma Phase, Shape Factor, Erosive-corrosive wear}, }