Search
Search Results
-
Enhancement of electrical conductivity and electromagnetic interference shielding performance via supercritical CO2 induced phase coarsening for double percolated polymer blends
The electrical conductivity of conductive polymer composites (CPCs) with a classical double percolated structure is highly connected to the phase...
-
Nucleation and Coarsening Behavior of Aluminum Nitride and Its Effect on Abnormal Grain Growth in High-Temperature Carburizing Process
The onset of abnormal austenite grain growth and precipitation behaviors of aluminum nitride(AlN) during pseudo-carburizing process after solution...
-
Coarsening Behaviour of γ′ Precipitates in High Fe Containing Ni-Fe-Cr-Based Medium Entropy Alloy
Present work evaluates coarsening kinetics of γ ′ precipitates in γ – γ ′-based microstructure of a high Fe-containing low-density low-cost...
-
Bayesian coarsening: rapid tuning of polymer model parameters
A protocol based on Bayesian optimization is demonstrated for determining model parameters in a coarse-grained polymer simulation. This process takes...
-
Directional Solidification of AlSi7Fe1 Alloy Under Forced Flow Conditions: Effect of Intermetallic Phase Precipitation and Dendrite Coarsening
AbstractA forced flow was experimentally shown to influence the solidification microstructure of metal alloys by modifying the coarsening/ripening...
-
The Impact of Bi Content on the Coarsening Kinetics of IMC Particles and Creep Deformation Under Thermal Cycling
This work investigates the impact of Bi content on the microstructure of solder joints under various thermal cycling conditions. Five lead-free...
-
Phase-field modeling of grain evolutions in additive manufacturing from nucleation, growth, to coarsening
A three-dimensional phase-field model is developed to simulate grain evolutions during powder-bed-fusion (PBF) additive manufacturing, while the...
-
Effect of Melt Treatment on Microstructure Evolution and Coarsening Mechanism of A356 Al Alloy During Cooling Slope Rheoprocessing
AbstractThe present study reports the effect of melt treatment, i.e. , grain refiner (0.15 wt pct of Al–5Ti–1B) and modifier (0.1 wt pct of Al–10Sr)...
-
Formation of polycrystalline-Co particle-chains in Cu–Co alloy during liquid-phase sintering in a high magnetic field
Liquid-phase sintering of Cu–30 wt.% Co alloy, involving liquid Cu coexisting with solid Co particles, was performed with and without a 12 T magnetic...
-
Linear evolution of the γ′-(Ni, Cu)3Al phase composition in Cu-based high-temperature alloys
The ordered γ′-(Ni, Cu) 3 Al is a crucial strengthening phase that improves the high-temperature resistance of Cu-based alloys, so it is important to...
-
Phase Composition and Phase Transformation of Additively Manufactured Nickel Alloy 718 AM Bench Artifacts
Additive manufacturing (AM) technologies offer unprecedented design flexibility but are limited by a lack of understanding of the material...
-
Microstructure Distribution and Grain Coarsening Model of GCr15 Steel in the Laser Surface Treatment
AbstractThe GCr15 steel was subjected to laser surface treatment using a diode laser with rectangular spot. Based on the simulated temperature field,...
-
Uncovering the effect of Mo addition on the precipitation kinetics of the γ′ phase in Ni–Al–Mo model superalloys using CALPHAD-assisted phase-field simulations
Mo is a key solid solution strengthening element that improves the mechanical properties of Ni-based superalloys, but the partitioning behavior of Mo...
-
Dissolution and Coarsening Kinetics of γ′ Precipitates in Waspaloy during Solution Treatment at Temperatures of 1000-1045 °C
Dissolution and coarsening characteristics of γ ′ precipitates in Waspaloy were investigated during solution treatments in the temperature range of...
-
Phase field modeling of grain stability of nanocrystalline alloys by explicitly incorporating mismatch strain
Nanocrystalline materials exhibit unique properties due to their extremely high grain boundary (GB) density. However, this high-density...
-
Point process microstructural model of metallic thin films with implications for coarsening
We develop a thin-film microstructural model that represents structural markers (i.e., triple junctions in the two-dimensional projections of the...
-
Microstructural Coarsening and Mechanical Properties of Eutectic Sn-58Bi Solder Joint During Aging
With miniaturization and heterogeneous integration in packaging, there has been a drive toward develo** lower temperature solders. Sn-58Bi eutectic...
-
Uniform pinning force model for the polycrystalline systems pinned by second-phase particles of different sizes, number densities and shapes
The grain coarsening processes of polycrystalline systems pinned by second-phase particles of different sizes, number densities and shapes were...
-
Effect of Temperature and Grain Boundary on Void Evolution in Irradiated Copper: A Phase-Field Study
The continued existence of high-energy radiation in nuclear reactors at high temperatures results in the formation of radiation-induced voids, which...
-
Highly complex materials processes as understood by phase-field simulations: Additive manufacturing, bainitic transformation in steel and high-temperature creep of superalloys
AbstractRecent breakthroughs resolving open questions in materials science by phase-field simulations are reported. They relate to solidification...
