Caihao Qiu
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View article: Why grain growth is not curvature flow
Why grain growth is not curvature flow Open
Grain growth in polycrystals is traditionally considered a capillarity-driven process, where grain boundaries (GBs) migrate toward their centers of curvature (i.e., mean curvature flow) with a velocity proportional to the local curvature (…
View article: Why grain growth is not curvature flow
Why grain growth is not curvature flow Open
Grain growth in polycrystals is traditionally considered a capillarity-driven process, where grain boundaries (GBs) migrate toward their centers of curvature (i.e., mean curvature flow) with a velocity proportional to the local curvature (…
View article: Kinetic and Equilibrium Shapes of Cylindrical Grain Boundaries
Kinetic and Equilibrium Shapes of Cylindrical Grain Boundaries Open
In this work, we investigate the shape evolution of rotated, embedded, initially cylindrical grains (with [001] cylinder axis) in Ni under an applied synthetic driving force via molecular dynamics simulations and a continuum, disconnection…
View article: Disconnection flow–mediated grain rotation
Disconnection flow–mediated grain rotation Open
Grain rotation is commonly observed during the evolution of microstructures in polycrystalline materials of different kinds, including metals, ceramics, and colloidal crystals. It is widely accepted that interface migration in these system…
View article: Disconnection Flow-Mediated Grain Rotation
Disconnection Flow-Mediated Grain Rotation Open
Interface migration in microstructures is mediated by the motion of line defects with step and dislocation character, i.e., disconnections. We propose a continuum model for arbitrarily-curved grain boundaries or heterophase interfaces acco…
View article: Structural Modeling and Thermal Conductivity of Graphite Film Reinforced Aluminum Matrix Laminated Composites
Structural Modeling and Thermal Conductivity of Graphite Film Reinforced Aluminum Matrix Laminated Composites Open
Excellent thermal conductivities of thermal management materials are expected to ensure the timely heat dissipation in lots of engineering applications and electronic devices. High in-plane thermal conductivity of laminated composites has …
View article: Interface Faceting-Defaceting Mediated by Disconnections
Interface Faceting-Defaceting Mediated by Disconnections Open
An intrinsic feature of nearly all internal interfaces in crystalline systems (homo- and hetero-phase) is the presence of disconnections (topological line defects constrained to the interface that have both step and dislocation character).…
View article: Structural modelling and mechanical behaviors of graphene/carbon nanotubes reinforced metal matrix composites via atomic-scale simulations: A review
Structural modelling and mechanical behaviors of graphene/carbon nanotubes reinforced metal matrix composites via atomic-scale simulations: A review Open
Due to their excellent mechanical properties including high modulus, high strength, large ductility and low density, nanocarbon like the graphene (Gr) and carbon nanotubes (CNTs) have become potential reinforcements in metal matrix composi…