Synthesis of Ti 3 SiC 2 Phase from Polycarbosilane Precursor
Source abstract
Abstract
Ti 3 SiC 2 phase was synthesized by reactive pyrolysis of three different polycarbosilane, [Si(H) 2 CH 2 ] m ·[(H)Si(Vi)CH 2 ] n ·[(H)Si(Me)CH 2 ] p (AHPCS), [Si(CH 3 ) 2 CH 2 ] x ·[Si(H)(CH 3 )CH 2 ] y (PCS), and [Me(H)SiC≡C] n , filled with metal Ti powder. The pyrolysis was carried out in argon atmosphere between 1200°C and 1400°C. The metal–precursor reactions and phase evolution during the pyrolysis were studied by means of X‐ray diffraction and scanning electron microscopy. The results indicated that PCS/Ti system was more beneficial for the synthesis of Ti 3 SiC 2 . In addition, the high‐purity Ti 3 SiC 2 could be synthesized through the pyrolysis of green compact of the PCS/Ti system with CaF 2 at 1400°C.
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Research context
OpenAlex topics: MXene and MAX Phase Materials · Advanced ceramic materials synthesis · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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