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Nucleation behaviour and microstructure of single Al-Si12 powder particles rapidly solidified in a fast scanning calorimeter
The understanding of rapid solidification behaviour, e.g. the undercooling versus growth velocity relationship, is crucial for tailoring...
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Modeling of Grain Refinement and Nucleation Behavior of Mg-4Y-0.5Zr (wt.%) Alloy via Cellular Automaton Model
Grain refinement during solidification of Mg-4Y-0.5Zr (wt.%) alloy was both experimentally and numerically studied. A two-dimensional cellular...
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Superior reactivity of heterogeneous single-cluster catalysts for semi-hydrogenation of acetylene
Acetylene semi-hydrogenation is a vital process where the utilization of supported isolated Pd atoms as catalytic active sites is promising due to...
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Observation of Flake Graphite Nucleation and Growth in Gray Iron through Interrupted Solidification and Inclusion Analysis
Solidification and cooling of a hypoeutectic gray cast iron were interrupted at various stages by quenching the iron sampled with custom-made quartz...
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Heterogeneous Precipitation Behavior of 7085 Aluminum Alloy was Studied by High-Throughput Experiment Based on End-Quenching Technology
Based on the quenching experiments, the precipitation behavior of 7085 aluminum alloy at different quenching rates was investigated through...
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Recent Studies Using HR-TEM on the Fundamental Mechanism of Nucleation of a-Aluminum on TiB2 in TiB D High-Efficiency Grain Refiners
Recent studies using HR-TEM, (High-Resolution TransmissionTransmission Electron Microscopy) at BCAST, Brunel University, London, on the mechanism of...
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Free-energy-based Atomistic Study of Nucleation Kinetics and Thermodynamics of Defects in Metals; Plastic Strain Carrier “Plaston”
Plastic deformation proceeds through the nucleation and migration of localized atomistic defects, i.e., plastons (e.g., dislocations, disconnections,...
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Multiscale nucleation growth model of yttrium oxide during the deoxidation of Fe–O–Y melt
In this paper, the thermodynamic properties of yttrium oxide clusters, nano-sized yttrium oxide particles and yttrium oxide crystals were calculated...
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Synergy of in-situ heterogeneous interphases tailored lithium deposition
The implementation of a robust artificial solid electrolyte interphase (ASEI) to replace the unstable natural SEI can regulate lithium deposition...
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Heterogeneous system synthesis of high quality PbS quantum dots for efficient infrared solar cells
As promising optoelectronic materials, lead sulfide quantum dots (PbS QDs) have attracted great attention. However, their applications are...
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Effects of Al Preflow on the Uniformity of an AlN Nucleation Layer and GaN Grown on Si (111) Substrate
In this work, the influence of Al preflow on the uniformity of an aluminum nitride (AlN) nucleation layer grown on Si substrate has been investigated...
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Synergistic modulation of Li nucleation/growth enabled by CNTs-wrapped lithiophilic CoP/Co2P decorated hollow carbon polyhedron host for stable lithium metal anodes
Infinite volume expansion and uncontrolled lithium dendrite growth are the main bottlenecks that greatly hinder the commercial application of lithium...
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The Generalized Additivity Rule for Thermal Path-Dependent Diffusion-Controlled Phase Transformation by Simultaneous Nucleation and Growth and Its Mathematical Solutions
Scheil’s additivity rule is widely applied to converting isothermal phase transformation kinetics to anisothermal ones. However, it often causes...
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Synergistic Effect of In-Situ Al-7075/Al3Ti Metal Matrix Composites Prepared via Stir-Assisted Ultrasonic Melt Processing Under Dynamic Nucleation
AbstractOwing to the high propensity for particle agglomeration, the fabrication of aluminum matrix composites with uniform distribution using...
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Site dependence of surface dislocation nucleation in ceramic nanoparticles
The extremely elevated strength of nanoceramics under compression arises from the necessity to nucleate highly energetic dislocations from the...
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Heterogeneous microstructural characteristics of aluminum-addition friction stir-processed Al0.1CoCrFeNi alloy with strength–ductility synergy
The strength–ductility trade-off is evident for Al x CoCrFeNi high-entropy alloy (HEA), and the synergistic improvement of its strength and ductility...
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Supercooling characteristics of mannitol phase transition system under heterogeneous nucleation
Supercooling of phase change materials (PCMs) during solidification is a major problem in cold thermal energy storage (CTES), which reduces energy...
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Improved Wear Resistance of a Heterogeneous CoCrNi Medium-Entropy Alloy at Cryogenic Temperature
Medium-entropy alloys (MEAs) exhibit excellent mechanical properties and unique deformation mechanism at cryogenic temperatures. However, limited...
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Macroscopically heterogeneous grain boundary diffusion process for efficient coercivity enhancement of Nd–Fe–B magnets
Grain boundary diffusion (GBD) is an effective process to enhance coercivity for Nd–Fe–B magnets with relatively low consumption of expensive heavy...
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Highly stabilized and lowly polarized Li anodes using a hybrid surface film with inner Li-Zn nucleation sites and outer LiF-rich protection texture
Lithium (Li) metal is the most promising anode for improving the energy density of currently commercialized Li-ion batteries. However, its practical...
