Mechanochemical Processing and Characterisation Studies of Si-Based Refractory Compounds Derived from Sugarcane Bagasse

A. A. Adediran, F. A. Olanrewaju, O. S. Adesina, K. K. Alaneme, E. T. Akinlabi, R. M. Mahamood

Research output: Contribution to journalArticlepeer-review

Abstract

The present study reports on the mechanochemical processing and characterisation studies of Si-based refractory compounds derived from sugarcane bagasse (SCB). SCB was preliminarily washed and sun-dried for 48 hr. 1 M HCl acid was used for the leaching of the SCB, before which carbothermal treatment was carried out in an enclosed, improvised crucible using a temperature sequence of 600–1000°C at a heating rate of 10°C/min. Fourier transmission infrared spectrometer (FTIR), scanning electron microscope (SEM) and X-ray diffractometer (XRD) were used to characterise the reaction products. From the results obtained, the major functional groups indicated in the IR spectra are O-H, N-O, O-Si-O and Si-C. The carbothermal treatment showed the viability of producing an Si-based refractory compound (SBRC). There is a high population of SiC in the XRD pattern at 900°C, indicating that 700°C was not sufficient for the full transformation of the SiC phases. The results indicate the presence of unreacted carbon phase precipitates in the reaction product.

Original languageEnglish
Pages (from-to)392-401
Number of pages10
JournalAdvances in Materials and Processing Technologies
Volume8
Issue numbersup2
DOIs
Publication statusPublished - 2022
Externally publishedYes

Keywords

  • SiC
  • carbothermal
  • mechanochemical
  • refractory
  • sugarcane bagasse

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering

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