00000ctm a22000004a 4500 UP-99796217611255216 Buklod 20140508104144.0 m |o d | ta 140508s2014 xx d r |||| u| (iLib)UPD-00215706385 DENG rda eng DMLUC LG 995 2014 E62 R49 Reyes, Joy Erika P. author. Effect of surface treatment and particle loading on the mechanical properties of CFB fly ash reinforced thermoset composite by Joy Erika P. Reyes. Quezon City College of Engineering, University of the Philippines Diliman 2014. x, 82 leaves illustrations (some color) 28 cm text rdacontent unmediated rdamedia volume rdacarrier Thesis (M.S. Chemical Engineering)--University of the Philippines, Diliman. Available only to those bound by confidentiality agreement. Approved written permission required. Circulating fluidized bed (BFB) boilers, a relatively new and more environment-friendly technology, produce fly ash with limited use on the construction industry. This study focused on the use of CFB fly ash as a filter material in thermoset composites. CFB fly ash was treated with coconut oil using the procedure used by Yao et.al. (2013). The fly ash was applied to orthophthalic unsaturated polyester resin at different particle loading. The untreated and treated fly ash were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X-ray fluorescence (XRF). Tensile and flexural properties of composites with varying fly ash loading were measured using universal testing machine (UTM). The tensile and flexural modulus increased while the tensile and flexural decreased with increasing particle loading. Improvement in the mechanical properties of the composites with treated fly ash relative to the ones with the untreated was observed. This is caused by enhanced particle-matrix adhesion and improved particle dispersion. Moisture absorption caused a decline in the flexural properties of the composites. Water acted as a plasticizer so the matrix weakened upon immersion. Fluidized-bed combustion. Fly ash. Thermosetting composites. FI UP UPD DARCHIVES LG 995 2014 E62 R49 UPD DENG-II LG 995 2014 E62 R49 Thesis