High-temperature short-term and long hardness of sintered compact and porous titanium-siliceous carbide ti3sic2 | Zendy

S. A. Firstov | Zendy; E.P. Pechkovsky | Zendy

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High-temperature short-term and long hardness of sintered compact and porous titanium-siliceous carbide ti3sic2

Author(s) -

S. A. Firstov,

E.P. Pechkovsky

Publication year - 2004

Publication title -

science of sintering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.309

H-Index - 25

eISSN - 1820-7413

pISSN - 0350-820X

DOI - 10.2298/sos0401011f

Subject(s) - materials science , sintering , porosity , titanium carbide , indentation , titanium , ternary operation , atmospheric temperature range , carbide , max phases , composite material , microstructure , metallurgy , thermodynamics , physics , computer science , programming language

The ternary compound of titanium-siliceous carbide Ti3SiC2, one of the representatives of Nan laminates, prepared by solid-phase sintering is investigated in compact and porous (q=0.03-0.41) states. Features of its short-term and long-term hardness (Р=10 N) behavior in the temperature range from 20 to 1200˚С at a holding time of 1-60 min were studied. It is shown that a temperature of about 700°С and holding time under load of about 10 min are critical values of the indentation procedure that correspond to an intensive decrease of hardness. The presence of porosity results in a decrease in hardness. a deformation scheme of compact and porous titanium-siliceous carbide Ti3SiC2 in the temperature range from 20 to 1200˚С is proposed.

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