Predicting yield stress in a nano-precipitate strengthened austenitic steel by integrating multi length-scale simulations and experiments

CA Stewart, EA Antillon, M Sudmanns, JA El-Awady… - Acta Materialia, 2024 - Elsevier
A promising high-strength Fe–17.7 Mn–4.7 Cr–0.48 C–10Ni–5Al–4Cu wt.% Austenitic steel
was solutionized, then aged for 3 or 10 h at 580° C producing a pronounced precipitation …

[HTML][HTML] Nanoscale precipitation, mechanical properties, and deformation behavior of NiAl-strengthened high-strength steels: Effects of Ni and Al contents and ratios

BC Zhou, SF Liu, HH Wu, JH Luan, JM Guo, T Yang… - Materials & Design, 2023 - Elsevier
Abstract Effects of Ni and Al contents and ratios on the continuous and discontinuous
precipitation, mechanical properties, and deformation behavior of NiAl-strengthened steels …

Mn-stabilized austenitic steel strengthened by nano-scale β-NiAl (B2), FCC-Cu, and carbides via ICME design

CA Stewart, RW Fonda, KE Knipling - Scripta Materialia, 2021 - Elsevier
An integrated computational materials engineering (ICME) approach was used to design a
fully Austenitic, Mn-stabilized steel strengthened by three nano-scale precipitate phases: β …

Enhancing strength-ductility balance in Fe-Mn-Al-C-Ni austenitic low-density steel via intragranular dual-nanoprecipitation

YF An, XP Chen, L Mei, YC Qiu, YZ Li… - Journal of Materials …, 2024 - Elsevier
Strength-ductility trade-off is usually an inevitable scenario in κ′-carbides strengthened
austenitic lightweight steel. The reduction of ductility is primarily attributed to the shearing of …

Simulation of κ-carbide precipitation kinetics in aged low-density Fe–Mn–Al–C steels and its effects on strengthening

J Lee, S Park, H Kim, SJ Park, K Lee, MY Kim… - Metals and Materials …, 2018 - Springer
Abstract Fe–Al–Mn–C alloy systems are low-density austenite-based steels that show
excellent mechanical properties. After aging such steels at adequate temperatures for …

Effects of Mn partitioning on nanoscale precipitation and mechanical properties of ferritic steels strengthened by NiAl nanoparticles

ZB Jiao, JH Luan, MK Miller, CY Yu, CT Liu - Acta Materialia, 2015 - Elsevier
The critical role of Mn partitioning in the formation of ordered NiAl nanoparticles in ferritic
steels has been examined through a combination of atom probe tomography (APT) and …

Synergistic effects of Cu and Ni on nanoscale precipitation and mechanical properties of high-strength steels

ZB Jiao, JH Luan, ZW Zhang, MK Miller, WB Ma, CT Liu - Acta materialia, 2013 - Elsevier
There is an increasing demand for ultrahigh-strength ferritic steels strengthened by
nanoprecipitates. Improvement of the precipitation strengthening response requires an …

Current challenges and opportunities in microstructure-related properties of advanced high-strength steels

D Raabe, B Sun, A Kwiatkowski Da Silva… - … Materials Transactions A, 2020 - Springer
This is a viewpoint paper on recent progress in the understanding of the microstructure–
property relations of advanced high-strength steels (AHSS). These alloys constitute a class …

High-strength low-alloy steel strengthened by multiply nanoscale microstructures

Chinese Society for Metals (CSM)… - HSLA Steels 2015 …, 2016 - Springer
Recently, we have being focused on improving the strength without sacrificing ductility of
High-strength low-alloy (HSLA) steels by designing nanostructures. Several developments …

Designing Heusler nanoprecipitates by elastic misfit stabilization in Fe–Mn maraging steels

J Millán, S Sandlöbes, A Al-Zubi, T Hickel, P Choi… - Acta materialia, 2014 - Elsevier
Abstract B2 NiMn and Ni 2 MnAl Heusler nanoprecipitates are designed via elastic misfit
stabilization in Fe–Mn maraging steels by combining transmission electron microscopy …