Characterisation of composites based on the system polyester–SiC for use in the polishing of ornamental rocks
by Rafaela Barros Aigueira, Ronaldo Paranhos, Marcello Filgueira
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 1, No. 1, 2006

Abstract: This work studies the processing and characterisation of composites based on the system polyester–SiC (silicon carbide). The objective was to evaluate its technological application as abrasive crowns for the polishing of ornamental rocks, as an alternative to the traditional product based on the magnesia cement composite (SOREL)–SiC. Composites were produced with stoichiometry polyester – (5-10-20-30-40-50) % weight of SiC. The compounds were dry mixed and cured with a catalyst. The composites were submitted to compression and wearing tests, simulating the grinding and polishing operation of ornamental rocks. Comparing the results with those obtained for magnesia cement SOREL–SiC, this work concludes for the positive technical viability of this new composite polyester–SiC for use in the ornamental rock industry.

Online publication date: Mon, 14-Aug-2006

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