Translucence Study through New Experimental Hybrid Composites

Abstract:

Translucence parameters for 3 series of experimental hybrid composites were investigated using three-chromatic coordinates such as L* a* b* CHROMA technique using a type C illuminant geometry with the scope of 8^o. The materials of each series contain in the same ratio different copolymers and a filler mixture (simple and mixed hydroxyapatite-ZrO₂ or SiO₂ powders and glass powders with barium oxide, respective strontium oxide, or quartz powder). The purpose was to determine the effect of filler composition of composites on translucence. The analysis shows that these materials have more or less translucence. CHROMA determinations indicate that for the composite that has as filler quartz microparticles anh hydroxyapatite nanoparticles, the translucence registered is higher. Results leading to the idea that chemical composition and the size of inorganic phase are important to obtain translucent composite materials that have very natural in appearance. Keywords: translucence, hybrid composites, CHROMA method.

• Periodical: Key Engineering Materials (Volume 614)
• Pages: 148-154
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.614.148
• Online since: June 2014
• Authors: Ovidiu Cristian Pastrav, Ada Gabriela Delean, Codruta Sarosi, Laura Silaghi Dumitrescu, Alexandrina Muntean, Marius Gociu, Marioara Moldovan*
• Keywords: CHROMA Method, Hybrid Composite, Translucence

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