Microstructures and properties of high-entropy alloys

Y Zhang, TT Zuo, Z Tang, MC Gao, KA Dahmen… - Progress in materials …, 2014 - Elsevier
This paper reviews the recent research and development of high-entropy alloys (HEAs).
HEAs are loosely defined as solid solution alloys that contain more than five principal …

A novel ultra-high strength maraging steel with balanced ductility and creep resistance achieved by nanoscale β-NiAl and Laves phase precipitates

L Sun, TH Simm, TL Martin, S McAdam, DR Galvin… - Acta Materialia, 2018 - Elsevier
A novel ultra-high strength precipitation hardened martensitic steel with balanced ductility
and creep resistance has been developed. It utilises a unique combination of nanometre …

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 …

[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 …

Ferritic alloys with extreme creep resistance via coherent hierarchical precipitates

G Song, Z Sun, L Li, X Xu, M Rawlings, CH Liebscher… - Scientific reports, 2015 - nature.com
There have been numerous efforts to develop creep-resistant materials strengthened by
incoherent particles at high temperatures and stresses in response to future energy needs …

Increasing the creep resistance of Fe-Ni-Al-Cr superalloys via Ti additions by optimizing the B2/L21 ratio in composite nano-precipitates

SI Baik, SY Wang, PK Liaw, DC Dunand - Acta Materialia, 2018 - Elsevier
Abstract The Fe-10Cr-10Ni-6.5 Al-3.4 Mo-0.25 Zr-0.005 B (wt.%) ferritic FBB8 superalloy
shows good creep resistance due to the presence of B2-NiAl precipitates, created upon …

New design aspects of creep-resistant NiAl-strengthened ferritic alloys

Z Sun, CH Liebscher, S Huang, Z Teng, G Song… - Scripta Materialia, 2013 - Elsevier
Ferritic alloys strengthened with NiAl precipitates are being developed for elevated-
temperature applications. Due to the high concentration of Al in these alloys, they feature a …

Effects of increased alloying element content on NiAl-type precipitate formation, loading rate sensitivity, and ductility of Cu-and NiAl-precipitation-strengthened ferritic …

M Kapoor, D Isheim, S Vaynman, ME Fine, YW Chung - Acta Materialia, 2016 - Elsevier
Two experimental bcc-Cu-and B2–NiAl-precipitation-strengthened ferritic steels with 6.3
at.% and 12.4 at.% Cu+ Mn+ Ni+ Al, 950 MPa and 1600 MPa yield strength respectively …

[HTML][HTML] Creating heterogeneous lamella structure in a multiphase Al-Cr-Fe-Co-Ni complex concentrated alloy

X Liu, C Zhang, C Zhu, K Vecchio - Materials Science and Engineering: A, 2022 - Elsevier
The present work reports strength-ductility synergy achieved in an Al–Cr–Fe–Co–Ni
complex concentrated alloy (CCA) through utilizing the heterogeneous lamella (HL) …

Deformation mechanisms in a precipitation-strengthened ferritic superalloy revealed by in situ neutron diffraction studies at elevated temperatures

S Huang, Y Gao, K An, L Zheng, W Wu, Z Teng… - Acta Materialia, 2015 - Elsevier
Abstract The ferritic superalloy Fe–10Ni–6.5 Al–10Cr–3.4 Mo strengthened by ordered (Ni,
Fe) Al B2-type precipitates is a candidate material for ultra-supercritical steam turbine …