Recent progress in microstructural evolution, mechanical and corrosion properties of medium-Mn steel

Y Qiao, Z Zheng, H Yang, J Long, P Han - Journal of Iron and Steel …, 2023 - Springer
Abstract Medium-manganese (Mn) steel (MMS) has remarkable characteristics of high
strength, strong work-hardening capacity, and wear resistance, being a promising third …

Medium-Mn steels for hot forming application in the automotive industry

S Li, H Luo - International Journal of Minerals, Metallurgy and …, 2021 - Springer
Advanced high-strength steels have been widely used to improve the crashworthiness and
lightweight of vehicles. Different from the popular cold stam**, hot forming of boron …

[HTML][HTML] Enhanced strength without sacrificing ductility in FeCrMnVSix high entropy alloys via controlling the ratio of metallic to covalent bonding

Y Liu, Z Yao, P Zhang, S Lin, M He, S Lu, X Wu - Materials & Design, 2023 - Elsevier
It has been the pursuit of materials science to enhance strength without sacrificing the
ductility of a material. By introducing the semi-metallic Si into the FeCrMnV high-entropy …

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 …

Revolutionizing car body manufacturing using a unified steel metallurgy concept

Q Lu, Q Lai, Z Chai, X Wei, X **ong, 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 …

A novel medium-Mn steel with superior mechanical properties and marginal oxidization after press hardening

S Li, P Wen, S Li, W Song, Y Wang, H Luo - Acta Materialia, 2021 - Elsevier
A novel Cr-alloyed medium-Mn steel was designed and manufactured for the hot forming
application in automobile. Compared to the typical press hardening steel (PHS) grade of …

[HTML][HTML] Microstructure-mechanical properties evolution of hot-rolled medium Mn steel: Effects of short-time holding and low-temperature tempering following ultrafast …

S Su, S Quan, R Song, Y Wang, C Cai - Materials & Design, 2024 - Elsevier
In this work, the mechanical properties of hot-rolled 7Mn steel are significantly sensitive to
the short-time isothermal holding after ultrafast heating (UFH). These samples also exhibited …

Cr-alloyed novel press-hardening steel with superior combination of strength and ductility

X Wei, Z Chai, Q Lu, J Hu, Z Liu, Q Lai, J Wang… - Materials Science and …, 2021 - Elsevier
A novel press-hardening steel (PHS) with an ultra-high tensile strength of 1680 MPa and an
excellent total elongation of 9.2% has been developed and produced at an industrial scale …

Room temperature quenching and partitioning (RT-Q&P) processed steel with chemically heterogeneous initial microstructure

G Gu, JH Kim, HH Lee, A Zargaran, M Koo… - Materials Science and …, 2022 - Elsevier
Microstructure heterogeneity has been regarded as being detrimental in obtaining reliable
mechanical performance of steels. However, in the present study, we demonstrated that a …

A novel tri-phase lightweight press-hardening steel exhibiting both excellent mechanical properties and outstanding oxidization resistance

C Ding, H Zhao, B Hu, D Xu, R Ge, C Deng… - Journal of Materials …, 2024 - Elsevier
A novel Si-Al alloyed press hardening steel (PHS) with the ferrite (α)-austenite (γ)-martensite
(α′) triplex microstructure was developed to have marginal oxidization after the hot forming …