Load transfer and mechanical properties of chemically reduced graphene reinforcements in polymer composites

被引：40

作者：

Xu, Peng ^{[1
]}

Loomis, James ^{[1
]}

Bradshaw, Roger D. ^{[1
]}

Panchapakesan, Balaji ^{[1
]}

机构：

[1] Univ Louisville, Dept Mech Engn, Small Syst Lab, Louisville, KY 40292 USA

来源：

NANOTECHNOLOGY | 2012年 / 23卷 / 50期

基金：

美国国家科学基金会;

关键词：

POLYPROPYLENE NANOCOMPOSITES; EXFOLIATED GRAPHENE; PHYSICAL-PROPERTIES; RAMAN-SPECTROSCOPY; ELASTIC PROPERTIES; GRAPHITE; DISORDER; STRENGTH;

D O I：

10.1088/0957-4484/23/50/505713

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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 similar to 42%, toughness by similar to 39%, damping capability by similar to 673%, and strain energy density of similar to 43% by the addition of 1 wt% SLG in PDMS are reported.

引用

页数：7

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