Fundamentals and application of solid-state phase transformations for advanced high strength steels containing metastable retained austenite

Z Dai, H Chen, R Ding, Q Lu, C Zhang, Z Yang… - Materials Science and …, 2021 - Elsevier
Over many decades, significant efforts have been made to improve the strength-elongation
product of advanced high strength steels (AHSSs) by creating tailored multi-phase …

Application of the thermodynamic extremal principle to diffusion-controlled phase transformations in Fe-CX alloys: Modeling and applications

W Kuang, H Wang, X Li, J Zhang, Q Zhou, Y Zhao - Acta Materialia, 2018 - Elsevier
Diffusion-controlled phase transformations are of singular importance in controlling
microstructures and mechanical properties but are difficult to model and calculate for Fe-CX …

Generalized stability criterion for exploiting optimized mechanical properties by a general correlation between phase transformations and plastic deformations

L Huang, W Lin, Y Zhang, D Feng, Y Li, X Chen, K Niu… - Acta Materialia, 2020 - Elsevier
Designing structured materials with optimized mechanical properties generally focuses on
engineering microstructures, which are closely determined by the processing routes, such …

Intercritical annealing of cold-rolled ferrite-pearlite steel: Microstructure evolutions and phase transformation kinetics

J Teixeira, M Moreno, SYP Allain, C Oberbillig… - Acta Materialia, 2021 - Elsevier
Abstract The manufacturing of Dual-Phase steels includes as a crucial step the annealing of
a cold-rolled ferrite-pearlite (F/P) microstructure, which involves numerous and interacting …

Thermo-kinetic design of retained austenite in advanced high strength steels

Z Dai, R Ding, Z Yang, C Zhang, H Chen - Acta Materialia, 2018 - Elsevier
Abstract Design of metastable retained austenite has been one of the most key issues in the
development of advanced high strength steels (AHSSs) as mechanical properties of AHSSs …

[HTML][HTML] A novel 3D mixed-mode multigrain model with efficient implementation of solute drag applied to austenite-ferrite phase transformations in Fe-C-Mn alloys

H Fang, S Van Der Zwaag, NH Van Dijk - Acta Materialia, 2021 - Elsevier
A computational 3D model that accounts for both nucleation and interface migration is a very
useful tool to monitor and grasp the complexity of microstructure formation in low-alloyed …

[HTML][HTML] New route for fabricating low-carbon ductile martensite to optimize the stretch-flangeability of dual-phase steel

G Liu, H Guo, S Wang, T Liao, H Wu, X Ruan… - Journal of Materials …, 2024 - Elsevier
Traditional cold-rolling dual-phase steel (CR sheet), limited by poor stretch-flangeability as
indicated by the hole expansion rate (HER), faces challenges in manufacturing complex …

Mixed-mode model for ferrite-to-austenite phase transformation in dual-phase steel

M Ollat, M Militzer, V Massardier, D Fabregue… - Computational Materials …, 2018 - Elsevier
A mixed-mode model is proposed to predict the austenite formation during intercritical
annealing of a low-carbon steel with ferrite-cementite microstructure. The transformation …

[HTML][HTML] Mixed mode growth of an ellipsoidal precipitate: Analytical solution for shape preserving growth in the quasi-stationary regime

D Larouche - Acta Materialia, 2017 - Elsevier
The growth of an ellipsoidal precipitate has been analysed in the mixed-mode regime for a
binary system. Under the assumption that the precipitate grows with constant eccentricities …

Modeling of alloying effect on isothermal transformation: A case study for pearlitic steel

L Qiao, J Zhu, Y Wang - Advanced Engineering Materials, 2021 - Wiley Online Library
Machine learning (ML) has been rapidly revolutionizing many fields and plays a vital role in
materials science. To understand the microstructure of steels and even obtain optimized …