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出版社
SPRINGER
DOI: 10.1007/s11663-020-01991-w
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The article introduces a statistically developed model for austenite decomposition during cooling, which incorporates two-way interactions of alloying elements as add-on terms. This model can predict phase transformation temperatures and critical cooling rates for the formation of polygonal ferrite, bainite or martensite in steel production.
The interaction of different alloying elements has a significant impact on the mechanical and microstructural properties of steel products due to the thermodynamic and kinetic effect. This article presents a statistically developed and validated model for austenite decomposition during cooling, based on a set of experimental continuous cooling transformation diagrams available in literature. In the model, two-way interactions of the alloying elements are included as add-on terms, and the procedure for the analysis ensures there is no overfitting. The model can be used to predict phase transformation temperatures and critical cooling rates for the formation of polygonal ferrite, bainite or martensite for the production of steel.
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