Mechanical properties and interfacial characteristics of carbon-nanotube-reinforced epoxy thin films

Applied Physics Letters - Tập 81 Số 15 - Trang 2833-2835 - 2002
Xiaojing Xu1, Moe Moe Thwe1, C. Shearwood2, Kin Liao2
1School of Materials Engineering, Nanyang Technological University, Singapore 639798, Singapore
2School of Mechanical and Production Engineering, Nanyang Technological University, Singapore 639798, Singapore

Tóm tắt

Multiwalled carbon nanotubes (MWNT) reinforced epoxy composite thin films were prepared by a microfabrication process and their elastic modulus was determined using a shaft-loaded blister test and linear and nonlinear elasticity models. Compared to net resin thin films, a 20% increase in elastic modulus was seen when 0.1 wt % MWNTs were added, suggesting MWNT alignment by spin coating. Electron microscopic observations of the fracture surfaces suggested high interfacial shear stress between MWNTs and the epoxy matrix, a result supported by both molecular mechanics simulation and micromechanics calculations.

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Thông tin
Thông tin xuất bản

Applied Physics Letters

Tập 81 Số 15

2833-2835

Thông tin tác giả