A phenomenological model of sintering of superhard diamond-based composites has been built. The principal governing parameters of the sintering process of a multicomponent system are introduced (the activation energy, velocity constant, densification rate, diffusion and nucleation rates of new phases, pressure, temperature, and time), and the effect on the sintering kinetics of these parameters is shown. A good correlation obtained between the simulation and experimental data proves that the model given is able to explain both qualitatively and quantitatively the physical phenomena of sintering and thus is promising for a design of superhard diamond-based composites of a new generation.

• Мечник Володимир Аркадійович (технічні науки)

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