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] Circular steel for fast decarbonization: Thermodynamics, kinetics, and microstructure behind upcycling scrap into high-performance sheet steel

D Raabe, M Jovičević-Klug, D Ponge… - Annual review of …, 2024 - annualreviews.org
Steel production accounts for approximately 8% of all global CO2 emissions, with the
primary steelmaking route using iron ores contributing approximately 80% of those …

An in situ investigation of neighborhood effects in a ferrite-containing quenching and partitioning steel: Mechanical stability, strain partitioning, and damage

J Kang, NS Pottore, H Zhu, CC Tasan - Acta Materialia, 2023 - Elsevier
Understanding the micromechanical consequences of transformation-induced plasticity
(TRIP)-assisted steels is challenging, due to the presence of multiple phase constituents and …

Optimising the strength-ductility-toughness combination in ultra-high strength quenching and partitioning steels by tailoring martensite matrix and retained austenite

Z Wang, MX Huang - International Journal of Plasticity, 2020 - Elsevier
Undesirable fracture resistance has led to critical safety concerns in ultra-high strength
quenching and partitioning (Q&P) steels. The present work proposes a new heat treatment …

Revolutionizing car body manufacturing using a unified steel metallurgy concept

Q Lu, Q Lai, Z Chai, X Wei, X Xiong, H Yi, M Huang… - Science …, 2021 - science.org
Numerous high-performance steels with various compositions and mechanical properties
were developed to enable a safe and light-weight automotive body-in-white (BIW). However …

Effect of retained austenite on the fracture behavior of a novel press-hardened steel

Z Chai, Q Lu, J Hu, L Wang, Z Wang, J Wang… - Journal of Materials …, 2023 - Elsevier
Tensile and bending properties are two critical attributes of press hardened steels (PHSs) for
automotive body structural components. However, the research on these properties of PHSs …

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 …

Current trends in metallic materials for body panels and structural members used in the automotive industry

T Trzepieciński, SM Najm - Materials, 2024 - mdpi.com
The development of lightweight and durable materials for car body panels and load-bearing
elements in the automotive industry results from the constant desire to reduce fuel …

Characteristics of bainitic transformation and its effects on the mechanical properties in quenching and partitioning steels

S Chen, J Hu, L Shan, C Wang, X Zhao, W Xu - Materials Science and …, 2021 - Elsevier
Steel treated by quenching and partitioning exhibits an excellent combination of strength
and ductility by taking advantage of the transformation-induced plasticity effect of retained …

Cr-enriched carbide induced stabilization of austenite to improve the ductility of a 1.7 GPa− press-hardened steel

Z Chai, L Wang, Z Wang, Q Lu, J Hu, W Sun, J Wang… - Scripta Materialia, 2023 - Elsevier
Obtaining a desired quantity of retained austenite (RA) in press-hardened steels (PHSs) with
a martensitic matrix is of great interest for the performance of safety critical components in …