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Solute diffusion in polycrystals with migrating grain boundaries: phase-field approach
In this study, we develop the phase-field model of anisotropic diffusion of solute in polycrystals with migrating grain boundaries (GBs), taking into...
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Highly stable coherent nanoprecipitates via diffusion-dominated solute uptake and interstitial ordering
Lightweight design strategies and advanced energy applications call for high-strength Al alloys that can serve in the 300‒400 °C temperature range....
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Grain Refinement of an As-Cast CoCrNi Multi-principal Element Alloy by Inducing Solute Segregation: Solute Design and Effects
Multi-principal element alloys (MPEAs) have been extensively studied in recent years. However, the as-cast MPEAs usually possess coarse columnar...
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Multi-Phase-Field Simulation of the Dynamic Dragging of Dislocation on the Solute Atoms and Point Defects
Point defects and dislocation can be induced in dual-phase stainless steels in the circumstance of irradiation. These defects affect the phase...
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Solute Clustering During Natural Ageing in Al-Cu-(Sc)-(Zr) Alloys
Solute clusteringSolute clustering during natural ageingNatural ageing in Al-4wt.%Cu alloys with and without Sc and Zr has been studied. The alloys...
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Molecular Dynamics Simulation of Portevin–Le Chatelier Effect in Al-Mg Alloys: Effects of Solute Concentration, Temperature, and Tensile Rate
The interaction between dislocation and solute atoms during uniaxial tensile-loading deformation was simulated based on molecular dynamics. It is...
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First-principles study of substitutional solute and carbon interactions in tungsten
Interstitial carbon and substitutional transition metal (TM) solutes are common impurities in tungsten and tungsten alloys. Yet, despite its...
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A viewpoint from dissipative dynamics on diffusion-controlled directional solidification
The existing theoretical analyses of solidification dynamics lack the insights of historical relevance and transport processes in the whole system....
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Effect of High Magnetic Field on Microstructure Evolution, Solute Distribution, and Crystallography in Directionally Solidified Cu–Ge Peritectic Alloy
AbstractThe effects of an axial high magnetic field on the microstructure evolution, solute distribution, and preferred crystallography relationship...
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Effect of solute atoms on grain boundary stability of nanocrystalline Ni–Co alloy
In this contribution, molecular dynamics method is used to accurately add quantitative Co atoms in the grain boundary (GB) region of...
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Enhanced Grain Refining Effect of Mg–Zr Master Alloy on Magnesium Alloys via a Synergistic Strategy Involving Heterogeneous Nucleation and Solute-Driven Growth Restriction
Zirconium (Zr) emerges as the most effective grain refiner for magnesium (Mg) alloys incorporating Zr. Typically, Zr is introduced in the form of an...
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Precipitation and Growth of MnS Inclusions in Non-quenched and Tempered Steel Under the Influence of Solute Micro-segregations During Solidification
Precipitation and growth behaviors of MnS inclusions during the solidification of non-quenched and tempered steel have been experimentally and...
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Diffusion and Transport of Hydrogen
Hydrogen diffusion coefficients in metals and their measuring methods, such as electrochemical permeation transients, are present. Effects of the...
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Effect of Substrate Bed Temperature on Solute Segregation and Mechanical Properties in Ti–6Al–4V Produced by Laser Powder Bed Fusion
Titanium alloys are particularly sensitive to temperature during additive manufacturing processes, due to their dual phase microstructure and...
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Relaxation, temporal diffusion, and polarity of aromatic hydrocarbons in ionic liquid
The influence of the polarity of aromatic hydrocarbons on the temporal heterogeneities in ionic liquids (IL)–aromatic hydrocarbons by molecular...
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Solute Segregation to Grain Boundaries in Al: A First-Principles Evaluation
Solute-induced grain boundary (GB) strengthening is effective in improving the toughness and tensile strength of polycrystalline alloys. In this...
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Kinetic Transition During Ferrite Growth Induced by Interfacial Solute Segregation in an Fe–C–Mn–Si Alloy
The kinetic transition of partitionless proeutectoid ferrite transformation from austenite, experimentally reported earlier in an Fe–C–Mn–Si alloy,...
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Diffusion
Due to their extremely small size, hydrogen atoms acquire particular diffusivity features in the crystal lattice. For example, their diffusivity is...
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Thermal Stability of Hardness and Modulus in Martensitic Ti–6Al–4V-Based Alloys: Role of V, Fe, and Ge Solute Contents
This study investigates the influence of V, Fe, and Ge additions on the evolution of the martensite phase in Ti–6Al–4V alloy, with a specific focus...
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Diffusion in High Entropy Materials
Diffusion is considered important for various material-related phenomena, phase transformation, creep, superplasticity, and ionic transport, and it...