Temperature-induced liquid-liquid transition in metallic melts: a brief review on the new physical phenomenon

FQ Zu - Metals, 2015 - mdpi.com
Understanding the nature of liquid structures and properties remains an open problem for
many fundamental and applied fields. It is well known that there is no other defined phase …

Simultaneous optimization of electrical and thermal transport properties of Bi0. 5Sb1. 5Te3 thermoelectric alloy by twin boundary engineering

Y Yu, DS He, S Zhang, O Cojocaru-Mirédin, T Schwarz… - Nano Energy, 2017 - Elsevier
The strong interdependence between the Seebeck coefficient, the electrical and thermal
conductivity makes it difficult to obtain a high thermoelectric figure of merit, ZT. It is of critical …

Kohn–Sham accuracy from orbital-free density functional theory via Δ-machine learning

S Kumar, X **g, JE Pask, AJ Medford… - The Journal of …, 2023 - pubs.aip.org
We present a Δ-machine learning model for obtaining Kohn–Sham accuracy from orbital-
free density functional theory (DFT) calculations. In particular, we employ a machine-learned …

Determination of self-diffusion coefficients by quasielastic neutron scattering measurements of levitated Ni droplets

A Meyer, S Stüber, D Holland-Moritz, O Heinen… - Physical Review B …, 2008 - APS
Conventional techniques to measure diffusion coefficients in liquid metals and alloys are
hampered by buoyancy-driven convective fluid flow and chemical reactions of the liquids …

Attaining ultrahigh thermoelectric performance of direction-solidified bulk n-type Bi2Te2. 4Se0. 6 via its liquid state treatment

B Zhu, ZY Huang, XY Wang, Y Yu, L Yang, N Gao… - Nano Energy, 2017 - Elsevier
Bi 2 Te 3-based alloys are the best thermoelectric materials near room temperature and Bi 2
(TeSe) 3 alloys are their typical n-type ones. However, the dimensionless figure of merit ZT …

Experimental and ab initio molecular dynamics simulation studies of liquid alloy

SY Wang, MJ Kramer, M Xu, S Wu, SG Hao… - Physical Review B …, 2009 - APS
X-ray diffraction and ab initio molecular dynamics simulation studies of molten Al 60 Cu 40
have been carried out between 973 and 1323 K. The structures obtained from our simulated …

Superheat-dependent microstructure of molten Al–Si alloys of different compositions studied by small angle neutron scattering

M Calvo-Dahlborg, PS Popel, MJ Kramer… - Journal of Alloys and …, 2013 - Elsevier
The microstructure of Al–Si alloys of hyper-(Al80Si20) hypo-(Al93Si7) and eutectic (Al87.
8Si12. 2) compositions have been investigated by Small Angle Neutron Scattering (SANS) …

Diffusion in Al-Cu melts studied by time-resolved X-ray radiography

B Zhang, A Griesche, A Meyer - Physical review letters, 2010 - APS
We use time-resolved x-ray radiography in order to monitor interdiffusion processes in situ in
liquid alloys. We measure temperature and composition dependent interdiffusion …

[HTML][HTML] Structure Models of Metal Melts: A Review

A Jiang, Y Li, Q Wu, Y Qin, S Ma, Y Zhang, X Lin… - Materials, 2024 - mdpi.com
Nowadays, metallic materials are subject to increasingly high performance requirements,
particularly in the context of energy efficiency and environmental sustainability, etc …

Optimizing microstructures of hypereutectic Al–Si alloys with high Fe content via spray forming technique

LG Hou, C Cui, JS Zhang - Materials Science and Engineering: A, 2010 - Elsevier
By using spray forming technique Fe-contained hypereutectic Al–Si alloys were prepared
with different Mn/Cr additions for the study of their effects on the microstructures. The results …