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 …

[HTML][HTML] A comprehensive overview of high strength and toughness steels for automobile based on QP process

S Bai, Y Chen, J Sheng, D Li, H Lu, P Bai… - Journal of Materials …, 2023 - Elsevier
Abstracts High-strength steels support the rapid development of modern automobile
industry. Especially quenching-partitioning (QP) steels have presented the considerable …

Corrosion behaviour of a quenched and partitioned medium carbon steel in 3.5 wt.% NaCl solution

J Yang, Y Lu, Z Guo, J Gu, C Gu - Corrosion science, 2018 - Elsevier
In this work, the corrosion characteristics of a quenched and partitioned (Q&P) medium
carbon steel in a 3.5 wt.% NaCl solution were investigated by various surface analysis …

Improving mechanical properties and retained-austenite stability of a medium carbon Q&P steel by adjusting phase ratio

XX Dong, YF Shen, N Jia, YT Zhu - Materials Science and Engineering: A, 2022 - Elsevier
In this study we explored mechanisms for improving the mechanical properties and retained-
austenite (RA) stability of a Q&P steel by adjusting the phase ratio. With increasing …

Microstructure-property relationship in the quenching and partitioning (Q&P) steel

S Kumar, SB Singh - Materials Characterization, 2023 - Elsevier
A low-carbon low-alloy steel was subjected to two-step quenching and partitioning (Q&P)
treatments which resulted in multiphase microstructures comprising varying amounts of …

Revealing carbide precipitation effects and their mechanisms during quenching-partitioning-tempering of a high carbon steel: Experiments and Modeling

J Zhang, Z Dai, L Zeng, X Zuo, J Wan, Y Rong, N Chen… - Acta Materialia, 2021 - Elsevier
Abstract Quenching-Partitioning-Tempering (QPT), as a modified process of quenching and
partitioning (Q&P), is a promising process to treat ultra-high strength steels with a good …

Strong and ductile low carbon low alloy steels with multiphase bimodal microstructure

C Wang, R Chen, C Wang, Y Zhang, X Wang… - International Journal of …, 2024 - Elsevier
Restrained by the strength-ductility tradeoff, it is still challenging to develop advanced high-
strength low carbon low alloy (LCLA) steels with superior strength-ductility combinations and …

[HTML][HTML] Role of prior austenite grain boundary and retained austenite in strain localization of medium-carbon high-strength steels

W Yin, F Briffod, H Hu, K Yamazaki, T Shiraiwa… - Acta Materialia, 2024 - Elsevier
Exploring the micromechanical behavior of lath-martensitic quenching and tempering (Q&T),
as well as quenching and partitioning (Q&P) steels presents a significant challenge due to …

Simultaneous enhancement of strength and ductility in a medium carbon low-alloy steel induced by secondary martensite and Cu-rich particles

XX Dong, YF Shen, N Jia, WY Xue - Materials Science and Engineering: A, 2023 - Elsevier
This study aims to simultaneously improve the strength and ductility of a medium carbon low-
alloy steel via Cu addition and the partitioning treatment. The obtained microstructure was …

[HTML][HTML] Design of tough, ductile direct quenched and partitioned advanced high-strength steel with tailored silicon content

S Ghosh, P Kaikkonen, V Javaheri… - journal of materials …, 2022 - Elsevier
The novel processing concept of direct quenching and partitioning (DQ&P) has been
explored with a medium-carbon (0.4 wt.% C) steel to evaluate and optimize the processing …