Insights into the flow behaviour of the AR24 mesophase pitch and nanoparticle-doped AR24 mesophase pitch during infiltration into particulate porous preforms

Simulation of Flow–induced Texture Formation in Mesophase Pitch

Mesophase pitches are multicomponent discotic nematic liquid crystals (DNLCs), whose characteristic molecular weight is intermediate between low molar mass and polymeric nematic liquid crystals. The distinguishing features of the mechanical behavior can be summarized by stating that LC materials exhibit anisotropic, non-linear, viscoelastic behaviour quite distinct from Newtonian viscous materi...

High Thermal Conductivity Mesophase Pitch-Derived Graphitic Foams

1. Introduction In recent years there has been an increasing number of applications requiring more efficient and lightweight thermal management such as high-density electronics, hybrid diesel-electric vehicles, communication satellites, and advanced aircraft. The primary concerns in these thermal management applications are high thermal conductivity, low weight, low coefficient of thermal expan...

Mesophase behaviour of polyhedral particles.

Translational and orientational excluded-volume fields encoded in particles with anisotropic shapes can lead to purely entropy-driven assembly of morphologies with specific order and symmetry. To elucidate this complex correlation, we carried out detailed Monte Carlo simulations of six convex space-filling polyhedrons, namely, truncated octahedrons, rhombic dodecahedrons, hexagonal prisms, cube...

Preparation of mesophase pitch by aromatics-rich distillate of naphthenic vacuum gas oil

Two aromatics-rich distillates R1 and R2 with different properties from naphthenic base vacuum gas oil were used for preparing mesophase pitch through high-pressure thermal treatment. 1H-NMR, FT-IR and VPO were employed to characterize the structural parameters of the raw materials. The products' optical texture and molecular structure were analyzed by polarized light optical microscopy, 1H-NMR...

Mesophase Pitch-based Carbon Fiber and Its Composites: Preparation and Characterization