Ultrabroad distribution of multiple anelasticities in O-doped refractory multiprincipal element alloys

XG Wang, M Sun, XQ Liu, YB Ke, T Shi, JX Liu… - Acta Materialia, 2024 - Elsevier
The Snoek anelastic internal friction (IF) peak due to stress-induced dipole ordering
associated with interstitial atoms was well observed in IF curves of single-principal element …

Achieving excellent strength-toughness combination in hexagonal closed-packed multi-principle element alloys via< c+ a> slip promotion

J Kuang, D Zhang, Y Zhang, X Du, Q Huo, W Wen… - Scripta Materialia, 2024 - Elsevier
To effectively bolster< c+ a> slip is pivotal to improving the mechanical property of
hexagonal close-packed (HCP) metallic materials. It has been a longstanding challenge …

[HTML][HTML] Local ordering tendency in body-centered cubic (BCC) multi-principal element alloys

S Zhao - Journal of Phase Equilibria and Diffusion, 2021 - Springer
The recent development of high-entropy alloys (HEAs) has opened a new avenue for alloy
design by incorporating multiple principal elements into a simple crystal lattice. In HEAs …

[HTML][HTML] Chemical inhomogeneity from the atomic to the macroscale in multi-principal element alloys: A review of mechanical properties and deformation mechanisms

J Zhu, D Li, L Zhu, X He, L Sun - Metals, 2023 - mdpi.com
Due to their compositional complexity and flexibility, multi-principal element alloys (MPEAs)
have a wide range of design and application prospects. Many researchers focus on tuning …

Compositional undulation induced strain hardening and delocalization in multi-principal element alloys

J Zhu, L Sun, D Li, L Zhu, X He - International Journal of Mechanical …, 2023 - Elsevier
Multi-principal element alloys (MPEAs) exhibit outstanding mechanical properties due to
their unconventional compositions and chemical structures. Rational design of element …

Microstructures and mechanical properties of a precipitation hardened refractory multi-principal element alloy

D Cui, Z Yang, B Guo, L Liu, Z Wang, J Li, J Wang… - Intermetallics, 2022 - Elsevier
Precipitation hardening is used as a powerful strengthening pathway to tailor the
mechanical properties of traditional alloys. However, in refractory multi-principal element …

Decoupling between Shockley partials and stacking faults strengthens multiprincipal element alloys

Z Pei, S Zhang, Y Lei, F Zhang… - Proceedings of the …, 2021 - National Acad Sciences
Mechanical properties are fundamental to structural materials, where dislocations play a
decisive role in describing their mechanical behavior. Although the high-yield stresses of …

Severe local lattice distortion in Zr-and/or Hf-containing refractory multi-principal element alloys

Y Tong, S Zhao, H Bei, T Egami, Y Zhang, F Zhang - Acta Materialia, 2020 - Elsevier
Whereas exceptional mechanical and radiation performances have been found in the
emergent body-centered cubic (BCC) refractory multi-principal element alloys (RMPEAs) …

Correlating dislocation mobility with local lattice distortion in refractory multi-principal element alloys

B Chen, S Li, J Ding, X Ding, J Sun, E Ma - Scripta Materialia, 2023 - Elsevier
Multi-principal element alloys (MPEAs) exhibit different degrees of intrinsic lattice distortion,
which varies with constituent species. Using atomistic simulations, here we found the …

[PDF][PDF] Unravelling complex strengthening mechanisms in the NbMoTaW multi-principal element alloy with machine learning potentials

XG Li, C Chen, H Zheng, SP Ong - Cond-Mat. Mtrl-Sci, 2019 - researchgate.net
Refractory multi-principal element alloys (MPEAs) have exceptional mechanical properties,
including high strength-to-weight ratio and fracture toughness, at high temperatures. Here …