Journal
MATERIALS TODAY COMMUNICATIONS
Volume 26, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mtcomm.2020.101932
Keywords
Phase-field simulation; Precipitation of gamma phase; Duplex stainless steel; Kinetics; Prediction
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In this study, the phase-field method was utilized to predict the precipitation phenomenon of the gamma phase in Fe-Cr-Ni ternary alloys. The kinetic analysis was performed in duplex stainless steel based on theoretical considerations, and the calculated results were verified through comparisons with experimental data. The proposed phase-field method was found to be able to theoretically predict the precipitation phenomenon of the gamma phase with good agreement between experimental and calculated values, regardless of the type of steel assessed.
In this study, the phase-field method was used to quantitatively predict the precipitation phenomenon of the gamma phase in Fe-Cr-Ni ternary alloys. Specifically, a kinetic analysis of the aforementioned phenomenon was performed in duplex stainless steel (DSS) based on theoretical considerations. The calculation-based gamma phase precipitation results for lean, standard, and super DSSs were verified through comparisons with experimental data. The possibility of applying the phase-field method established in this study to DSSs with different chemical compositions was also evaluated. The temperature dependences of the experimental and calculated values were found to be in good agreement, indicating that it is possible to theoretically predict the precipitation phenomenon of the gamma phase using the proposed phase-field method. Moreover, the proposed model achieved satisfactory kinetic results regardless of the type of steel assessed.
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