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Continuum Models of Grain Growth
Many solid materials consist of small crystallites called grains, which are domains of the same phase with different spatial orientations of their...
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Mean Field Modeling of Grain Growth and Zener Pinning
A mean-field model has been developed to simulate curvature-driven grain growth by exploring the evolution of grain size distribution under arbitrary...
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Simultaneous effect of grain size and indenter dimension on the dislocation nucleation and growth in nanoindentation and nanoscratch processes
Molecular dynamics simulations are employed to study dislocation movement and wear response of nanocrystalline nickel (Ni). To explore the...
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Layered Grain Growth of Aluminum Between MWCNT Layers During Sintering of Al–MWCNT Composites
The present study demonstrates how layered grain growth evolved in aluminum during sintering, of Al–MWCNT composites prepared through mechanical...
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Transport measurements in single-grain GdBCO+Ag bulk superconductors processed by infiltration growth
Transport measurements performed on a cross-sectional slice prepared from a bulk GdBa 2 Cu 3 O 7- x -Ag single-grain superconductor of 25 mm in diameter are...
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Grain Boundary Mechanics -- New Approaches to Microstructure Control
The reaction of grain boundaries to mechanical stresses is reviewed. Results of in-situ experiments on planar, symmetrical tilt grain boundaries with...
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Effects of Sb-do** on the grain growth of CIGS thin films fabricated by electrodeposition
Cu(InGa)Se 2 (CIGS) solar cells become one of the most important thin film photovoltaic devices thus far. The do** of Sb has improved the grain size...
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Multi-phase-field modeling of grain growth in polycrystalline titanium under magnetic field and elastic strain
A two-dimensional constitutive model was developed to simulate grain boundary motion in polycrystalline titanium exposed simultaneously to magnetic...
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Relevance of processing parameters for grain growth of metal halide perovskites with nanoimprint
The quality and the stability of devices prepared from polycrystalline layers of organic–inorganic perovskites highly depend on the grain sizes...
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Grain refinement mechanism of boron addition within Ti–Al alloy
To better understand the effects of B addition on the grain refinement mechanism of Ti–Al-based alloys, we investigate liquid local structure,...
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Effect of Copper Content on Grain Structure Evolution in Additively Manufactured Ti-6Al-4V Alloy
AbstractElectron beam additive manufacturing with simultaneous feeding of two dissimilar metal wires was used to obtain Ti-6Al-4V specimens...
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Calculation of GB Energies and Grain-Boundary Self-diffusion in Nickel and Verification of Borisov Relations for Various Symmetric Tilt Grain Boundaries
Symmetrical boundaries with tilt axes <100> , <110> and <111> in nickel have been studied using atomistic modeling methods. The energies of grain...
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Grain Refinement of the HAZ Metal due to Welding
AbstractThe size distribution of former austenite grains in the metal of the heat-affected zone (HAZ) of a welded joint made of 15Kh2NMFAA steel is...
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Grain boundary engineering for enhancing intergranular damage resistance of ferritic/martensitic steel P92
Ferritic/martensitic (F/M) steel is widely used as a structural material in thermal and nuclear power plants. However, it is susceptible to...
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Numerical study on grain evolution of gradient-structured aluminum matrix composites induced by graphene nanoplatelets
Gradient composite materials are widely used because of their excellent combination of strength and toughness. Nano-reinforced Al-matrix composite...
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Atomistic Simulation of Grain Boundaries in Niobium: Structure, Energy, Point Defects and Grain-Boundary Self-Diffusion
The < 110 > symmetric tilt grain boundaries in niobium have been studied by computer simulation methods. The structure and energies of the considered...
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Quantitative Characterization of Grain Boundaries in Ultrafine-Grained Austenitic Stainless Steel by Cluster Analysis
AbstractA method is proposed for analyzing the relative energy distributions of grain boundaries in ultrafine-grained materials measured by grain...
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Refinement Mechanism and Influence of Grain Size in Sintered Nd-Fe-B
With the development of science and technology, the demand for high-performance sintered Nd-Fe-B magnets has increased dramatically. Since the grain...
