Figure 7
From: Effective reinforcements for thermoplastics based on carbon nanotubes of oil fly ash

(a) Stress-strain curves of HDPE/CNT polymer nanocomposites reinforced with different weight fractions of CNTs of oil fly ash. Influence of the CNTs content on the tensile stress and strain at (b) yield point and (c) fracture of the HDPE/CNT nanocomposites.