Nanomechanical and tribological properties of carbon nanotube/polyvinyl butyral composites | Zendy

Charitidis Constantinos A. | Zendy; Koumoulos Elias P. | Zendy; Giorcelli Mauro | Zendy; Musso Simone | Zendy; Jagadale Pravin | Zendy; Tagliaferro Alberto | Zendy

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Nanomechanical and tribological properties of carbon nanotube/polyvinyl butyral composites

Author(s) -

Charitidis Constantinos A.,

Koumoulos Elias P.,

Giorcelli Mauro,

Musso Simone,

Jagadale Pravin,

Tagliaferro Alberto

Publication year - 2013

Publication title -

polymer composites

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.577

H-Index - 82

eISSN - 1548-0569

pISSN - 0272-8397

DOI - 10.1002/pc.22602

Subject(s) - materials science , polyvinyl butyral , composite material , creep , carbon nanotube , nanoindentation , tribology , elastic modulus , deformation (meteorology) , modulus

The surface and subsurface mechanical and tribological properties of multiwall carbon nanotube (MWCNTs)/polyvinyl butyral (PVB) composites have been studied. Hardness and elastic modulus were obtained from nanoindentation, whereas the coefficient of friction of the composites was obtained using a nanoscratch method. The results show a clear impact of the percentage of CNTs filling on the monitored properties. Considerable improvement in the scratch resistance is obtained by the addition of CNTs and a maximum increase in nanomechanical properties is found at intermediate levels of CNTs filling. Creep studies revealed that a higher loading rate results in a greater primary creep deformation and leads to an increase of the total creep deformation, whereas the addition of MWCNTs affects the elastic recovery of the PVB matrix. POLYM. COMPOS., 34:1950–1959, 2013. © 2013 Society of Plastics Engineers

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