Multiple mechanisms of lath martensite plasticity

L Morsdorf, O Jeannin, D Barbier, M Mitsuhara… - Acta Materialia, 2016 - Elsevier
The multi-scale complexity of lath martensitic microstructures requires scale-bridging
analyses to better understand the deformation mechanisms activated therein. In this study …

Applications of rapid thermal processing to advanced high strength sheet steel developments

DK Matlock, S Kang, E De Moor, JG Speer - Materials Characterization, 2020 - Elsevier
Rapid thermal processing strategies, ie thermal histories that involve high heating rates,
short times at peak temperatures, and subsequent rapid cooling by quenching, and that …

Effect of prior austenite grain size refinement by thermal cycling on the microstructural features of as-quenched lath martensite

J Hidalgo, MJ Santofimia - Metallurgical and Materials Transactions A, 2016 - Springer
Current trends in steels are focusing on refined martensitic microstructures to obtain high
strength and toughness. An interesting manner to reduce the size of martensitic substructure …

Strengthening mechanisms of Nb and V microalloying high strength hot-stamped steel

W Chen, P Gao, S Wang, X Zhao, Z Zhao - Materials Science and …, 2020 - Elsevier
Abstract Effects of adding Nb and V components on the microstructure and mechanical
properties of hot-stamped steel and corresponding strengthening mechanisms were …

[HTML][HTML] Achieving ultrahigh strength by tuning the hierarchical structure of low-carbon martensitic steel

B Gao, L Wang, Y Liu, J Liu, L **ao, Y Sui… - Materials Science and …, 2023 - Elsevier
The high strength of martensitic steel can be attributed to its fine hierarchical structure and
high dislocation density. To further improve the mechanical properties of low-carbon …

Strain hardening mediated by coherent nanoprecipitates in ultrahigh-strength steels

SH Jiang, XQ Xu, W Li, B Peng, Y Wu, XJ Liu, H Wang… - Acta Materialia, 2021 - Elsevier
Strengthening from single lattice defect such as dislocations or nanoprecipitates generally
leads to the so-called strength-ductility tradeoff, which becomes particularly pronounced at …

Effect of low-temperature hot rolling on the microstructure and mechanical properties of air-cooling medium manganese martensitic wear-resistant steel

R Han, G Yang, Z Fu, D Xu, Y Xu, G Zhao - Materials Characterization, 2023 - Elsevier
In this paper, the low-temperature hot rolling was conducted on air-cooled medium
manganese martensitic steel, utilizing a finishing rolling temperature (FRT) that was …

[HTML][HTML] Homogenization on solution treatment and its effects on the precipitation-hardening of selective laser melted 17-4PH stainless steel

S An, DR Eo, I Sohn, K Choi - Journal of Materials Science & Technology, 2023 - Elsevier
4 precipitation-hardened (PH) stainless steel (SS) exhibits high strength and good corrosion
resistance via Cu-precipitation hardening. Unlike conventional wrought 17-4PH SS, Cu …

The influence of microstructure on the hydrogen embrittlement susceptibility of martensitic advanced high strength steels

J Venezuela, Q Zhou, Q Liu, H Li, M Zhang… - Materials Today …, 2018 - Elsevier
This work addresses the influence of microstructure on the hydrogen embrittlement of
advanced high-strength steels. With sufficient hydrogen, fracture initiates at the ultimate …

Effects of hydrogen pressure and prior austenite grain size on the hydrogen embrittlement characteristics of a press-hardened martensitic steel

L Cho, PE Bradley, DS Lauria, MJ Connolly… - international journal of …, 2021 - Elsevier
The effects of hydrogen gas pressure and prior austenite grain size (PAGS) on the
susceptibility of a 22MnB5 press-hardened martensitic steel (PHS) to hydrogen …