Strong Dependence of Mechanical Properties on Fiber Diameter for Polymer−Nanotube Composite Fibers: Differentiating Defect from Orientation Effects

We have prepared polyvinylalcohol−SWNT fibers with diameters from ∼1 to 15 μm by coagulation spinning. When normalized to nanotube volume fraction, V f, both fiber modulus, Y, and strength, σB, scale strongly with fiber diameter, D: Y/V f ∝ D −1.55 and σB/V f ∝ D −1.75. We show that much of this dep...

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Veröffentlicht in:	ACS nano 2010-11, Vol.4 (11), p.6989-6997
Hauptverfasser:	Young, Karen, Blighe, Fiona M, Vilatela, Juan J, Windle, Alan H, Kinloch, Ian A, Deng, Libo, Young, Robert J, Coleman, Jonathan N
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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