Mecanismo e resistência à abrasão de compósitos à base de poliéster-SiC para uso em coroas de polimento de rochas ornamentais



Document title: Mecanismo e resistência à abrasão de compósitos à base de poliéster-SiC para uso em coroas de polimento de rochas ornamentais
Journal: Polimeros (Sao Carlos)
Database: PERIÓDICA
System number: 000314323
ISSN: 1678-5169
Authors: 1
Institutions: 1Universidade Estadual do Norte Fluminense, Laboratorio de Materiais Avancados, Campos dos Goytacazes, Rio de Janeiro. Brasil
Year:
Volumen: 16
Number: 3
Pages: 187-192
Country: Brasil
Language: Portugués
Document type: Artículo
Approach: Experimental, aplicado
English abstract This work deals with the processing and abrasive tests in polyester - SiC (silicon carbide) composites, and evaluation of their possible technological application in dimension stones polishing crowns - commonly made of magnesian mortar (named SOREL) - SiC. Composites were prepared with polyester concentrations of (5-10-20-30-40-50) weight % SiC, by mixing and curing. The composites were submitted to wear tests, simulating a dimension stone polishing operation. Optimized performance was achieved for samples with 50%wt SiC, which exhibited an abrasion resistance 5 times that of SOREL-SiC samples. However, the composite displayed a mass loss 4.6 times higher, thus pointing to an overall performance that is similar to that of SOREL-SiC samples
Disciplines: Ingeniería
Keyword: Ingeniería de materiales,
Poliéster-SiC,
Abrasivos,
Mecanismos de desgaste,
Pulido,
Carburo de silicio,
Wear mechanisms,
Polish
Keyword: Engineering,
Materials engineering,
Polyester-SiC,
Abrasives,
Silicon carbide
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