Evolution of dislocation density in bainitic steel: Modeling and experiments

SH He, BB He, KY Zhu, MX Huang - Acta Materialia, 2018 - Elsevier
Bainitic steels with intensive lath boundaries demonstrate an excellent combination of
strength and toughness. The bainite lath has an inhomogeneous distribution of dislocations …

Dry rolling/sliding wear behaviour of pearlitic rail and newly developed carbide-free bainitic rail steels

SM Hasan, D Chakrabarti, SB Singh - Wear, 2018 - Elsevier
Rolling/sliding wear behaviour of two newly designed low-carbon, continuously cooled,
carbide-free bainitic rail steels has been studied and compared with pearlitic rail steel …

Effect of various phase fraction of bainite, intercritical ferrite, retained austenite and pearlite on the corrosion behavior of multiphase steels

PK Katiyar, S Sangal, K Mondal - Corrosion Science, 2021 - Elsevier
The work discusses the corrosion behavior of a set of newly developed high strength and
highly ductile multiphase steels consisting of various fractions of bainite, intercritical ferrite …

Ultrahigh strength-toughness combination in Bainitic rail steel: The determining role of austenite stability during tempering

K Wang, Z Tan, G Gao, X Gui, RDK Misra… - Materials Science and …, 2016 - Elsevier
We elucidate here the impact of tempering on the stability of retained austenite (RA) in
obtaining excellent combination of strength and toughness in an ultrahigh-strength low …

The effect of microstructure evolution on the ratchetting-fatigue interaction of carbide-free bainite rail steels under different heat-treatment conditions

X Xu, Z Wang, G Gao, X Zhang, G Kang… - International Journal of …, 2022 - Elsevier
Low-cycle fatigue experiments emphasizing the ratchetting are performed on the carbide-
free bainitic (CFB) rail steel under different heat-treatment conditions. The effects of …

Study on the surface microstructure evolution and wear property of bainitic rail steel under dry sliding wear

Y Chen, R Ren, X Zhao, C Chen, R Pan - Wear, 2020 - Elsevier
As the industry of railway transportation is thriving, much more attention has been paid to the
properties of wheel/rail steel materials. Although conventional wheel/rail steel materials …

Fatigue property and microstructure deformation behavior of multiphase microstructure in a medium-carbon bainite steel under rolling contact condition

Q Li, X Huang, W Huang - International Journal of Fatigue, 2019 - Elsevier
Bainitic steel is considered to be the best potential candidate steel for rails due to its high
strength and excellent toughness. The objective of this work was to investigate the fatigue …

Microstructure-property relationship in bainitic steel: The effect of austempering

K Wang, Z Tan, G Gao, B Gao, X Gui, RDK Misra… - Materials Science and …, 2016 - Elsevier
The bainite/martensite multiphase microstructure was studied in 0.22 C-2.0 Mn-1.0 Si-0.8 Cr-
0.8 (Mo+ Ni)(wt%) bainitic steel subjected to austempering between 325° C and 400° C to …

Synergistic action of hydrogen and stress concentration on the fatigue properties of X80 pipeline steel

T An, S Zheng, H Peng, X Wen, L Chen… - Materials Science and …, 2017 - Elsevier
The objective of this study is to quantify the synergistic action of hydrogen and stress
concentration on the fatigue properties of pipeline steel. Notch tensile tests and fatigue-life …

Rolling contact fatigue of bainitic rail steels: The significance of microstructure

X Gui, K Wang, G Gao, RDK Misra, Z Tan… - Materials Science and …, 2016 - Elsevier
We elucidate the effect of microstructure on the rolling contact fatigue (RCF) performance of
bainitic rail steel via microstructural characterization and simulated field tests. The RCF …