Effects of Nb or (Nb+ Mo) alloying on Charpy impact, bending, and delayed fracture properties in 1.9-GPa-grade press hardening steels

J Yoo, MC Jo, J Bian, SS Sohn, S Lee - Materials Characterization, 2021 - Elsevier
In this study, effects of Nb or (Nb+ Mo) alloying into a 1.9-GPa-grade 32MnB5 press
hardening steel on Charpy impact, bending, and delayed fracture properties were …

Microstructure evolution and impact toughness degradation of a 3.6% Si austenitic stainless steel during high-temperature exposure

Y Su, X Shi, S Zhang, S Jiao, W Yan, L Rong - Materials Science and …, 2024 - Elsevier
Abstract Si-modified Fe–Cr–Ni austenitic stainless steel is a promising candidate structural
material in lead-cooled fast reactor systems and high-temperature microstructural stability is …

Development of the high-strength ductile ferritic alloys via regulating the intragranular and grain boundary precipitation of G-phase

M Yang, C Huang, J Han, H Wu, Y Zhao, T Yang… - Journal of Materials …, 2023 - Elsevier
A typical G-phase strengthened ferritic model alloy (1Ti: Fe-20Cr-3Ni-1Ti-3Si, wt.%) has
been carefully studied using both advanced experimental (EBSD, TEM and APT) and …

Metallurgical developments in steam-methane reformer tube alloys

MCH Tse, ER Livera… - Materials Science and …, 2024 - journals.sagepub.com
Alloy development plays a vital role in the technological advancement in steam-methane
reformers, with development remaining stagnant in the past three decades. This critical …

G phase and ferrite in a high Si austenitic stainless steel during 510° C aging

S Zhang, X Shi, Y Su, W Yan, L Rong, K Yang - Materials Characterization, 2024 - Elsevier
Except the excellent oxidation and corrosion resistance at elevated temperatures, the high
temperature microstructure stability of high Si austenitic stainless steels is also of attention …

[HTML][HTML] Effect of short-time overheating in the morphology of primary carbides network in Nb and NbTi-modified HP stainless steels steam reforming tubes

MLC Nascimento, F da Cruz Gallo… - Journal of Materials …, 2023 - Elsevier
Commercial bulk hydrogen is mainly produced in petrochemical steam reforming furnaces
inside centrifugally cast Nb-modified HP austenitic stainless steels tubes, which operate at …

Monte Carlo simulations of Cu/Ni–Si–Mn co-precipitation in duplex stainless steels

WE Frazier, TG Lach, TS Byun - Acta Materialia, 2020 - Elsevier
Abstract First-Passage Kinetic Monte Carlo (FPKMC) simulations of species migration in
duplex stainless steels were performed in order to establish relationships between alloy …

Residual stress analysis in thermally grown oxide scales developed on Nb-alloyed refractory austenitic stainless steels

P Ramos, RS Coelho, F Soldera, HC Pinto, F Mücklich… - Corrosion …, 2021 - Elsevier
Reliable high temperature operation of refractory metals depends on the mechanical
integrity of the protective oxide formed on the material surface. The residual stress state in …

Origin of fine needle-like M23C6 carbides in a heat resistant steel after extended service

M Abbasi, I Park, H Park, R Ayer - Materials Characterization, 2022 - Elsevier
Components in refineries and petrochemical plants exposed to extended service offer a
unique opportunity to investigate the effect of a long heat exposure on the microstructure …

Dynamic data-driven multiscale modeling for predicting the degradation of a 316L stainless steel nuclear cladding material

WE Frazier, Y Fu, L Li, R Devanathan - Journal of Nuclear Materials, 2025 - Elsevier
We have developed a long short-term memory stacked ensemble (LSTM-SE) surrogate
modeling approach that can provide rapid predictions of microstructural evolution and the …