Novel 1.4 GPa-strength medium-Mn steel with uncompromised high ductility

S Yan, T Liang, Z Wang, B Yan, T Li, X Liu - Materials Science and …, 2020 - Elsevier
Abstract A Fe-8.9 Mn-1.59 Si-1.0 Al-0.25 C medium-Mn steel was designed, and lath-like
recovered martensite and reversed austenite were mainly obtained due to 20% reduction …

Microstructure evolution, tensile properties and deformation mechanism of Fe-6.5 wt.% Si steel doped with yttrium

H Li, M Li, Z Cai, L Ma, Y Ma - Materials Science and Engineering: A, 2022 - Elsevier
Abstract Fe-6.5 wt.% Si steels doped with different contents of yttrium were fabricated by
vacuum induction melting (VIM), forging, hot rolling and annealing. The microstructure …

Strengthening mechanism and precipitate evolution of a multi-application special engineering steel designed based on a hybrid idea

X Pan, B Huang, C Zhang, W Sun, K Zheng… - Journal of Alloys and …, 2023 - Elsevier
Special engineering steel that combined the attractive properties of composite maraging
steel, tool steel, structural steel, and stainless steel was designed as a hybrid steel (0.20 C …

MICROSTRUCTURE AND MECHANICAL PROPERTIES OF 1500 MPa GRADE ULTRA–HIGH STRENGTH LOW ALLOY STEEL

L Wang, H WU - Acta Metall Sin, 2010 - ams.org.cn
A novel sort of 1500 MPa grade ultra–high strength low alloy structural steel with multi–
element of Si–Mn–Cr–Ni–Mo was designed. Effects of four different processes of TMCP …

Ultrafine grained high strength low alloy steel with high strength and high ductility

J Shi, WQ Cao, H Dong - Materials Science Forum, 2010 - Trans Tech Publ
In this study a C-Mn High Strength Low Alloy steel (HSLAs) was processed by quenching
and austenite reverted transformation during annealing (ART-annealing), which results in an …

Static fracture toughness of fail-safe steel

T Inoue, Y Kimura, S Ochiai - Scripta Materialia, 2011 - Elsevier
A 1800MPa class steel with ultrafine elongated grain structures was fabricated by multi-pass
caliber rolling and a static three-point bending test was conducted. The strength–toughness …

Microstructure and mechanical properties of high-carbon Si–Al-rich steel by low-temperature austempering

J Yang, TS Wang, B Zhang, FC Zhang - Materials & Design, 2012 - Elsevier
The microstructure and mechanical properties of a high-carbon Si–Al-rich steel
austempered at 220–260° C were studied by optical microscopy, X-ray diffraction …

Effects of intercritical annealing temperature on mechanical properties of Fe-7.9 Mn-0.14 Si-0.05 Al-0.07 C steel

X Zhao, Y Shen, L Qiu, Y Liu, X Sun, L Zuo - Materials, 2014 - mdpi.com
A medium Mn steel has been designed to achieve an excellent combination of strength and
ductility based on the TRIP (Transformation Induced Plasticity) concept for automotive …

[HTML][HTML] A novel hot stamping steel with superior mechanical properties and antioxidant properties

Y Zhao, D Yang, Z Qin, X Chu, J Liu, Z Zhao - Journal of Materials …, 2022 - Elsevier
A novel 2000HS hot stamping steel was fabricated for automotive applications. Compared to
the traditional 1500HS hot stamping steel, it showed an excellent combination of strength …

New trends in advanced high strength steel developments for automotive application

O Kwon, KY Lee, GS Kim, KG Chin - Materials Science Forum, 2010 - Trans Tech Publ
The body design with light weight and enhanced safety is a key issue in the car industry.
Corresponding to this trend, POSCO is developing various automotive steel products with …