title: Load transfer and mechanical properties of chemically reduced graphene reinforcements in polymer composites.
abstract: We report load transfer and mechanical properties of chemically derived single layer graphene (SLG) as reinforcements in poly (dimethyl) siloxane (PDMS) composites. Shear mixing reduced graphene sheets in polymers resulted in a marked decrease of the 2D band intensity due to doping and functionalization. Raman G mode shifts of 11.2 cm(-1)/% strain in compression and 4.2 cm(-1)/% strain in tension are reported. Increases in elastic modulus of PDMS by ~42%, toughness by ~39%, damping capability by ~673%, and strain energy density of ~43% by the addition of 1 wt% SLG in PDMS are reported.
authors.affiliation: Small Systems Laboratory, Department of Mechanical Engineering, University of Louisville, Louisville, KY 40292, USA.
authors.forename: Peng
authors.initials: P
authors.lastname: Xu
authors.forename: James
authors.initials: J
authors.lastname: Loomis
authors.forename: Roger D
authors.initials: RD
authors.lastname: Bradshaw
authors.forename: Balaji
authors.initials: B
authors.lastname: Panchapakesan