|About this Abstract
||7th World Congress on Integrated Computational Materials Engineering (ICME 2023)
||An ICME Framework for Design of Hot-rolled Nb,Ti Microalloyed Steels
||Surya Ardham, Akash Bhattacharjee, Sandeep Pusuluri, Srimannarayana Pusuluri, Harisankar R, Pravin Kumar, Sarbari Ganguly, Yadvendra , Appa Rao Chintha, Monojit Dutta, Gautham BP, Gerald Tennyson
|On-Site Speaker (Planned)
High strength low alloy steels achieve their enhanced properties by a combination of microalloying and controlled thermomechanical processing. An integrated microstructure based in-silico framework has been developed to enable design of hot-rolled Nb,Ti micro alloyed steels. The integrated model suite captures the precipitation kinetics of Nb,Ti (C,N) and their impact on austenite recrystallization and phase transformation of ferrite in a hot strip mill. It comprises of a cellular automata model for austenite recrystallization, phase field model for austenite to ferrite phase transformation and FEM based micromechanics model for predicting the mechanical properties of the final microstructure. A multi-component equilibrium precipitate model is utilized to compute the precipitation kinetics of (Nb,Ti )(C,N) and their influence on the evolving microstructure across the processes. A parametric study is done to evaluate the effect of chemistry and process parameters to obtain the desired mechanical properties.
||Planned: Other (describe below)