Metalloid substitution elevates simultaneously the strength and ductility of face-centered-cubic high-entropy alloys

D Wei, L Wang, Y Zhang, W Gong, T Tsuru, I Lobzenko… - Acta Materialia, 2022‏ - Elsevier
Recently-developed high-entropy alloys (HEAs) containing multiple principal metallic
elements have extended the compositional space of solid solutions and the range of their …

Nano-scale heterogeneity-driven metastability engineering in ferrous medium-entropy alloy induced by additive manufacturing

JM Park, P Asghari-Rad, A Zargaran, JW Bae, J Moon… - Acta Materialia, 2021‏ - Elsevier
Selective laser melting (SLM) offers unprecedented advantages in fabrication of metals and
alloys with complex geometry and unique microstructural features with hierarchical …

Towards stacking fault energy engineering in FCC high entropy alloys

TZ Khan, T Kirk, G Vazquez, P Singh, AV Smirnov… - Acta Materialia, 2022‏ - Elsevier
Abstract Stacking Fault Energy (SFE) is an intrinsic alloy property that governs much of the
plastic deformation mechanisms observed in fcc alloys. While SFE has been recognized for …

Impact of W alloying on microstructure, mechanical property and corrosion resistance of face-centered cubic high entropy alloys: A review

N **ao, X Guan, D Wang, H Yan, M Cai, N Jia… - International Journal of …, 2023‏ - Springer
Face-centered cubic (fcc) high entropy alloys (HEAs) are attracting more and more attention
owing to their excellent strength and ductility synergy, irradiation resistance, etc. However …

Unexpected sluggish martensitic transformation in a strong and super-ductile high-entropy alloy of ultralow stacking fault energy

P Wu, Y Zhang, L Han, K Gan, D Yan, W Wu, L He, Z Fu… - Acta Materialia, 2023‏ - Elsevier
Displacive martensitic transformation usually prevails in face-centered cubic (FCC) steels
and high-entropy alloys (HEAs) of low stacking fault energy (SFE; eg,< 15 mJ/m 2) upon …

[HTML][HTML] Effects of stacking fault energy and temperature on grain boundary strengthening, intrinsic lattice strength and deformation mechanisms in CrMnFeCoNi high …

C Wagner, G Laplanche - Acta Materialia, 2023‏ - Elsevier
Tensile properties and deformation mechanisms at 293 and 77 K of single-phase face-
centered-cubic (FCC) Cr x Mn 20 Fe 20 Co 20 Ni 40-x (0≤ x≤ 26 at.%) high-entropy alloys …

Sustainable high-entropy materials?

L Han, W Mu, S Wei, PK Liaw, D Raabe - Science Advances, 2024‏ - science.org
High-entropy materials (HEMs) show inspiring structural and functional properties due to
their multi-elemental compositions. However, most HEMs are burdened by cost-, energy …

Effect of grain size on the deformation mechanism and fracture behavior of a non-equiatomic CoCrNi alloy with low stacking fault energy

SY Peng, YZ Tian, ZY Ni, S Lu, S Li - International Journal of Plasticity, 2024‏ - Elsevier
Manipulation of stacking fault energy (SFE) plays a significant role in microstructure control
and in turn mechanical properties of advanced alloys. In this work, we present the influence …

Molecular dynamics study on the strengthening mechanisms of Cr–Fe–Co–Ni high-entropy alloys based on the generalized stacking fault energy

A Jarlöv, W Ji, Z Zhu, Y Tian, R Babicheva, R An… - Journal of Alloys and …, 2022‏ - Elsevier
The correlation between the generalized stacking fault energy and the strengthening
mechanisms of Cr–Fe–Co–Ni high-entropy alloys during uniaxial tensile deformation is …

Enhancing strength and ductility in a near medium Mn austenitic steel via multiple deformation mechanisms through nanoprecipitation

J Gao, S Jiang, H Zhao, Y Huang, H Zhang, S Wang… - Acta Materialia, 2023‏ - Elsevier
High-Mn austenitic steels, usually deformed via the TWIP (twinning induced plasticity)
mechanism, suffer high cost and other technical issues (eg, hot-dip galvanizing, welding …