Formation process of mixed silicon and titanium carbide from copyrolysis of polysilane and metallic titanium: Part II |
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Authors: | H.-P. Martin E. Müller |
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Affiliation: | (1) Institute of Ceramic Materials, Freiberg University of Mining and Technology, D-09596 Freiberg, Germany |
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Abstract: | In part I we reported a copyrolysis of polysilane with metallic tungsten [1]. Now copyrolysis of chlorine containing polysilane with metallic titanium addition in the range of 0–10 at % Ti was performed. A significant decrease of the mass loss during the polysilane pyrolysis was observed. Also the specific surface area, gas evolution and occuring phase formation changes. The titanium forms preferently carbides and temporary silicides depending on the applied pyrolysis temperature. The reactions are controlled by transport phenomena of carbon and titanium. In the end of the process silicon carbide (SiC) and titanium carbide (TiCx) are stable. |
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