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 …

Deformation behaviors and microstructure evolution of a novel multiphase medium Mn high Al lightweight steels with excellent strength-ductility combinations

X Hu, H Ding, J Liu - Materials Science and Engineering: A, 2023 - Elsevier
The effects of phase constituents on the deformation behavior and the correlated
mechanical properties at different solution temperatures were investigated in medium Mn …

Microstructure-mechanical properties relationships and strain hardening mechanism for medium-Mn steel with low yield and ultra-high tensile strength

S Su, R Song, S Quan, Y Wang, C Cai - Materials Science and Engineering …, 2023 - Elsevier
Considering the problems of forming ultra-high strength steel, a medium-Mn steel with low
yield strength was prepared. The steel exhibited a yield strength of 537 MPa, a tensile …

Microstructure and mechanical property relationship in an ultrahigh strength 980 MPa grade high-Al low-Si dual phase steel

JC Zhang, HS Di, YG Deng, SC Li… - Materials Science and …, 2015 - Elsevier
A high-Al low-Si dual phase (DP) steel processed through thermo-mechanical processing
practice involving combination of hot rolling and water quenching was studied in terms of …

Effect of hot stamping and quenching & partitioning process on microstructure and mechanical properties of ultra-high strength steel

C Jing, D Ye, J Zhao, T Lin, C Wu… - Materials Research …, 2021 - iopscience.iop.org
In order to better achieve the purpose of automobile lightweight, hot stamping and
quenching & partitioning (HS-Q&P) process has become a hot research focus. This process …

High strength and high ductility of ultrafine-grained, interstitial-free steel produced by ECAE and annealing

G Purcek, O Saray, I Karaman, HJ Maier - Metallurgical and Materials …, 2012 - Springer
Interstitial-free steel (IF steel) underwent severe plastic deformation by equal-channel
angular extrusion/pressing (ECAE/P) to improve its strength, and then it was annealed to …

Design of a new Ni-free austenitic stainless steel with unique ultrahigh strength-high ductility synergy

P Behjati, A Kermanpur, A Najafizadeh… - Materials & Design, 2014 - Elsevier
A conceptual approach was used to design a new Ni-free austenitic stainless steel with a
unique combination of ultrahigh strength and ductility. The concept was based on the …

An ultrahigh strength steel with ultrafine-grained microstructure produced through intercritical deformation and partitioning process

H Liu, H Sun, B Liu, D Li, F Sun, X Jin - Materials & Design, 2015 - Elsevier
In this work, a novel design scheme in which deformation-induced ferrite transformation
(DIFT) was applied to produce fine-grained steel and the quenching is controlled by …

Strong and ductile steel via high dislocation density and heterogeneous nano/ultrafine grains

G Niu, Q Tang, HS Zurob, H Wu, L Xu… - Materials Science and …, 2019 - Elsevier
High strength and high ductility are critical to metallic materials and have always been
pursued. A novel strategy to produce a medium Mn stainless steel with high dislocation …

Fracture toughness improvement of austempered high silicon steel by titanium, vanadium and rare earth elements modification

X Chen, Y Li - Materials Science and Engineering: A, 2007 - Elsevier
The microstructure of austempered high silicon (AHS) steel before and after treating with a
modifier containing titanium, vanadium and rare earth elements (so-called Ti–V–RE …