Analysis of hydrogen-induced delayed cracking and hydrogen trapping behavior in plastically deformed quenching and partitioning steel

W Li, W Wu, Q Zhou, W Li, J Li - Corrosion Science, 2023 - Elsevier
Plastic deformation is an important factor affecting the critical condition of hydrogen-induced
delayed cracking (HIDC) of quenching and partitioning (Q&P) steels. The study established …

[HTML][HTML] Role of prior austenite grain boundary and retained austenite in strain localization of medium-carbon high-strength steels

W Yin, F Briffod, H Hu, K Yamazaki, T Shiraiwa… - Acta Materialia, 2024 - Elsevier
Exploring the micromechanical behavior of lath-martensitic quenching and tempering (Q&T),
as well as quenching and partitioning (Q&P) steels presents a significant challenge due to …

Insights into the dynamic impact behavior of intercritically annealed automotive-grade Fe–7Mn–4Al− 0.18 C steel

S Mohapatra, G Poojari, S Das, K Das - Materials Science and Engineering …, 2023 - Elsevier
Recently, medium manganese steels (MMnS) have been developed due to their excellent
strength and improved ductility to meet automotive manufacturer demands. However …

Tailoring the austenite characteristics via dual nanoparticles to synergistically optimize the strength-ductility in cold rolled medium Mn steel

Q Ye, H Dong, Q Guo, Y Yu, L Qiao, Y Yan - Journal of Materials Science & …, 2024 - Elsevier
In this work, we proposed a novel Cu/θ dual nanoparticles strategy to tailor the austenite
characteristics of a medium Mn steel via a tempering-annealing process to optimize the …

Dislocation accumulation-induced strength-ductility synergy in TRIP-aided duplex stainless steel

J Wan, B He, X Yang, LB Kong, X Zuo, Z Jiao - International Journal of …, 2024 - Elsevier
In this study, we investigate the intrinsic mechanism of intensive and progressive
transformation-induced plasticity (TRIP) effects and their different strength-ductility synergies …

Microstrain partitioning, Transformation Induced Plasticity, and the evolution of damage during deformation of an austenitic-martensitic 1.5 GPa Quench and Partition …

C Pelligra, J Samei, BS Amirkhiz, LG Hector Jr… - Materials Science and …, 2024 - Elsevier
The coupling of multiple advanced characterization techniques performed on a Fe-0.2 C-3.4
Mn-1.6 Si, austenitic-martensitic, Quench and Partition steel (Q&P) with ultrahigh strength …

Revealing the effects of martensitic transformation and dislocation slip in austenite on the micromechanical behaviors of a 9Ni steel using crystal plasticity finite …

WX Zhang, YB Cong, J Wang, C Li, J Wan… - International Journal of …, 2024 - Elsevier
Austenite is an extremely important phase that significantly influence the mechanical
properties of (austenite+ martensite) duplex steels. Two different deformation mechanisms …

Microband-driven martensitic transformation in as-hot-rolled metastable medium-entropy alloys

J Lee, S Son, SS Sohn, JW Bae, HS Kim - Materials Science and …, 2023 - Elsevier
Hot rolling triggers dynamic recrystallization and dislocation-based microbands.
Dislocations within these microbands in as-hot-rolled metastable medium-entropy alloys …

[HTML][HTML] Crack propagation path deflection induced by α-Mg/LPSO interface and its effect on the fracture toughness of cast Mg-RE-Zn alloys

Q Li, L Jin, F Wang, S Dong, J Zeng, F Wang… - Journal of Magnesium …, 2024 - Elsevier
The poor fracture toughness limits the widespread application of high-strength cast Mg-Re-
Zn alloys. Regulating the alloy microstructure, with phases such as α-Mg, blocky LPSO (long …

Study on local strain distribution and grain boundary characteristics of tensile-deformed TRIP-assisted medium manganese steel

S Mohapatra, A Mandal, S Das, K Das - Materials Science and Engineering …, 2024 - Elsevier
The current study emphasizes the local strain distribution and grain boundary characteristics
of tensile-deformed Fe-6.72 Mn-3.92 Al-0.18 C medium manganese steel (MMnS), which …