Boron carbide is known as a hard material; it possesses unique complex of physical-mechanical properties and has diverse applications in industries. An expansion its field uses stems from the creation boron matrix nanocomposite materials. In view this perspective, an effective liquid-charge synthesizing method for their components nanopowder form been proposed. This paper provides focused revie...

The assessed binary phase diagram of boron-carbon exhibits a single intrinsically disordered alloy phase designated “B4C” with rhombohedral symmetry occupying a broad composition range that falls just short of the nominal carbon content of 20%. As this composition range is nearly temperature independent, the phase diagram suggests a violation of the third law of thermodynamics, which typically ...

An anisotropic nonlinear elastic model is advanced for crystals belonging to either of two polytypes of boron carbide ceramic. Crystals undergo transformation to an isotropic, amorphous phase upon attainment of a local state-based criterion associated with a loss of intrinsic stability. The model is implemented using the dynamic finite element method, and is demonstrated on a representative vol...