Characterization polyethylene terephthalate nanocomposites mixing with nano-silica and titanium oxideMircea A. Rusu, Dan Leordean, Cosmin Cosma, Miuta Filip, Marioara Moldovan, Laura Silaghi-Dumitrescu and Olga Hilda OrasanMATEC Web Conf., 137 (2017) 08005DOI: https://doi.org/10.1051/matecconf/201713708005