Impact Strength and Fractal Characteristic of PLA-Based Wood Plastic Composites

Tao Qiang; De Mei Yu; Hong Hong Gao

doi:10.4028/www.scientific.net/AMM.174-177.683

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 174-177Impact Strength and Fractal Characteristic of...

Impact Strength and Fractal Characteristic of PLA-Based Wood Plastic Composites

Abstract:

Polylactide(PLA)-based wood plastic composites (WPCs) toughened with LLDPE were manufactured by extrusion blending followed by injection molding. The fracture surfaces created from the impact test were recorded with SEM. Fractal analysis has been used to calculate the fractal dimension of the fracture surfaces with four different techniques. Then, the relationship between the fractal dimension of the fracture surfaces and its impact strength of the PLA-based WPCs was investigated with the linear regression. The results show that there is a positive correlation between the impact strength and the fractal dimension for each calculation method.

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Periodical:

Applied Mechanics and Materials (Volumes 174-177)

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683-686

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.174-177.683

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Online since:

May 2012

Authors:

Tao Qiang, De Mei Yu, Hong Hong Gao

Keywords:

Fractal Dimension, Fracture Surface, Impact Strength, Wood Plastic Composite (WPC)

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