Fundamental insights on ductile to brittle transition phenomenon in ferritic steel

RK Barik, A Ghosh, D Chakrabarti - Materialia, 2023 - Elsevier
Ductile to brittle transition (DBT) is a well-known phenomenon responsible for deteriorating
the low temperature fracture toughness of ferritic steels. It is unambiguous to state that the …

Effect of solute distribution on the screw dislocation motion in bcc Fe-based systems

RK Barik, S Biswal, A Dutta, D Chakrabarti… - Computational Materials …, 2023 - Elsevier
Screw dislocation motion in bcc Fe plays an important role in establishing the strong
temperature and strain rate sensitivity of flow stress, which in turn promotes the ductile to …

Effect of soft reduction technique on microstructure and toughness of medium carbon steel

N Ali, L Zhang, H Zhou, A Zhao, C Zhang, K Fu… - Materials Today …, 2021 - Elsevier
This paper investigated the effect of soft reduction technique on microstructure evaluation
and toughness of medium carbon steel. The scanning electron microscope (SEM) was used …

Effect of Austenite Reversion and Its Stability on the Tensile and Impact Transition Behavior of High‐Strength Naval Steel

S Biswal, MB Sk, RK Barik, N Rarhi… - steel research …, 2024 - Wiley Online Library
The present investigation correlates the austenite reversion and its stability during
intercritical annealing (IA) with the tensile and Charpy impact properties of a low‐C naval …

The role of fibrous morphology on the Charpy impact properties of low carbon ferrite-bainite dual phase steel

MB Sk, I Alam, D Chakrabarti - Materials Science and Engineering: A, 2018 - Elsevier
Primarily ferrite-pearlite microstructure having coarse ferrite grain size (24 µm) and high
pearlite fraction (42%) offered YS∼ 575 MPa with poor impact properties such as, upper …

Theoretical prediction of texture requirements for improving the intrinsic cleavage crack resistance of BCC Fe

RK Barik, A Ghosh, D Chakrabarti - Theoretical and Applied Fracture …, 2024 - Elsevier
Based on the classical Rice model of crack tip dislocation emission, the present article
provides a theoretical prediction of suitable grain orientations (texture components) in a …

Relative effect of C and Mn on strength-toughness of medium Mn steels

A Bhattacharya, PK Bokinala, R Mitra… - Materials Science and …, 2019 - Taylor & Francis
In order to find an alternative choice for structural load-bearing components, an effort was
made to improve the impact toughness of medium Mn steel through inter-critical annealing …

Role of crystallographic texture, delamination and constraint on anisotropy in fracture toughness of API X70 line pipe steels

S Chatterjee, S Koley, SD Bakshi, M Shome - Materials Science and …, 2017 - Elsevier
Fracture toughness studies of line-pipe steels are extremely crucial as line-pipes are
exposed to extreme conditions in application. The effects of crystallographic texture and …

Effect of previous heating treatments conditions and gas metal arc welding (GMAW) on mechanical and microstructural properties of HSLA steel DOMEX 460MC

VR Rocha, DM Rosa, LE dos Santos Paes - Journal of the Brazilian …, 2024 - Springer
To meet the growing demands of various industries for materials that are not only highly
resistant but also possess good mechanical properties at a reasonable cost, high strength …

Fundamental Research on Evolution of TiN in Fe–Al–Ti–O–N Alloy During Isothermal Holding

M Li, H Matsuura, F Tsukihashi - Metallurgical and Materials Transactions …, 2022 - Springer
Different from previous work, evolution of shape, size distribution, total number density, and
distribution characteristic of TiN was systematically investigated in Fe–Al–Ti–O–N alloy with …