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Abstract Barium titanate (BaTiO 3 ) nano particles with different percentage by weight were added in silicone rubber as a filler to develop silicone elastomer composites. The morphology of the fractured surface of the prepared silicone elastomer composite film was investigated to see the distribution of BaTiO3 nano filler in the polymer matrix. The obtained results showed good distribution of BaTiO 3 up to 10% by weight in silicon elastomer composite. Beyond this 10% weight percentage, agglomeration of BaTiO 3 particles occurs. The mechanical characterizations of silicone elastomer composites with different weight % of BaTiO 3 particles were performed through uniaxial tensile testing. Elastic modulus of composite increases when filler content increases up to 10%. However, further increase in the filler content results agglomeration of particles in the composite and decrease in elastic modulus of the silicone elastomer composite. The results show that the optimum value of filler content in the prepared composite is between 5% to 10%.
Kumar et al. (Mon,) studied this question.