Uncovering origin of grain boundary resistance to irradiation damage in NiCoCr multi-principal element alloys

F Tan, J Li, B Liu, PK Liaw, Q Fang - International Journal of Plasticity, 2024 - Elsevier
Multi-principal element alloys (MPEAs) demonstrate significant promise as structural
materials for nuclear energy equipment owing to their exceptional mechanical properties …

Hydrogen storage of high entropy alloy NbTiVZr and its effect on mechanical properties: A first-principles study

J Gong, Y Li, X Song, Y Wang, Z Chen - Vacuum, 2024 - Elsevier
In recent years, high entropy alloys (HEAs) have demonstrated remarkable potential for
hydrogen storage applications. Although extensive experimental studies have been …

Minimizing the diffusivity difference between vacancies and interstitials in multi-principal element alloys

B Zhang, Z Zhang, K Xun, M Asta… - Proceedings of the …, 2024 - National Acad Sciences
Interstitial atoms usually diffuse much faster than vacancies, which is often the root cause for
the ineffective recombination of point defects in metals under irradiation. Here, via ab initio …

Competing failure modes in void and inclusion NiCoCrFeCu alloy under tensile simulation using molecular dynamic

TX Bui, YS Lu, TH Fang - Materials Today Communications, 2024 - Elsevier
This study exhibits dual effects from the parallel existence of inclusion and void on
mechanical characteristics and deformation response for NiCoCrFeCu alloy based on an …

ω-Strengthened Ti-23Nb alloy with twinning-induced plasticity developed via reverse martensitic transformation

X Zhang, S Wang, J Wu, J Sun, Y Gao, B He… - Acta Materialia, 2024 - Elsevier
The twinning-induced plasticity (TWIP) effect contributes to high strength and ductility
synergy in metastable β Ti alloys. Moreover, stress-induced α ″martensites (SIMs) are …

Lattice Distortion Promotes Incipient Plasticity in Multiprincipal Element Alloys

L Wang, Y Cao, Y Zhao - Nano Letters, 2024 - ACS Publications
Multiprincipal element alloys usually exhibit earlier pop-in events than pure metals and
dilute solid solutions during nanoindentation experiments. To understand the origin of this …

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 …

Compositional effects on the antiphase boundary energies in B2-type NiTi and NiTi-based high-entropy intermetallics

Y Li, W Qiang - Materials Chemistry and Physics, 2024 - Elsevier
High-entropy intermetallics (HEIs) have experimentally exhibited excellent room-and high-
temperature strengths. Superior strengths of HEIs are mainly ascribed to the enhanced …

High temperature oxidation resistance and thermodynamic properties of (TaNbZr) N and (TaNbZr) C quaternary ceramic coating

H Yu, W Liang, Q Miao, M Yin, Y Wang, H Liu, H Jin… - Corrosion …, 2024 - Elsevier
A TaNbZr-based quaternary ceramic coating with a metallurgical transition layer on a
titanium alloy surface has been produced. The quaternary ceramic coatings exhibit a face …

Molecular dynamics study of primary radiation damage in TiVTa concentrated solid-solution alloy

YP Zhao, YK Dou, XF He, H Cao, LF Wang… - Chinese …, 2024 - iopscience.iop.org
The primary radiation damage in pure V and TiVTa concentrated solid-solution alloy (CSA)
was studied using a molecular dynamics method. We have performed displacement …