Compacting of material by combining spark plasma sintering and self-expanding high temperature synthesis in Ti–Al–C system

Keywords

spark plasma sintering, seals, metal-matrix composite, self-expanding high-temperature synthesis.

Cite as

Kuskova N. I., Syzonenko O. M., Prystash M. S., and Torpakov A. S. Compacting of material by combining spark plasma sintering and self-expanding high temperature synthesis in Ti–Al–C system. Physicochemical Mechanics of Materials. 2023. 59(4), 75-81.

https://doi.org/10.15407/pcmm2023.04.075

Abstract

Initiation of self-expanding high-temperature synthesis (SHS) in Al–Ti–C system in the process of spark plasma sintering (SPS) of specimens allows obtaining a material with high density, which contains MAX-phases. A simple rheological theory has been develo­ped, which can describe SHS  and SPS processes under certain conditions. Within the framework of this model, the processes of pressing and extrusion at uniaxial pressure are considered. It is shown that the dependence of relative density of powder miture on time is scaled by the factor of the ratio of pressure to toughness of the invariant base of the material. Analytical time dependences of the plunger speed and sample height, as well as the time required to achieve the speci­fied value of the relative density of the Al–Ti–C material, which allows us to predict and analyze the compression of powder mixtures in the IPS process are obtained.

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