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Fracture characterization of pristine/post-consumer HDPE blends using the essential work of fracture (EWF) concept and extended finite element method (XFEM)
Journal article   Peer reviewed

Fracture characterization of pristine/post-consumer HDPE blends using the essential work of fracture (EWF) concept and extended finite element method (XFEM)

Sukjoon Na, Sabrina Spatari and Yick G. Hsuan
Engineering fracture mechanics, v 139, pp 1-17
01 May 2015
DOI: https://doi.org/10.1016/j.engfracmech.2015.02.026
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Mechanics Science & Technology Technology
The effect of recycled HDPE on plane-strain fracture properties of pristine HDPE was studied using the essential work of fracture concept. The plane-strain specific EWF decreased linearly as recycled content increased while the plane-strain specific non-EWF exponentially decreased. The specific non-EWF was investigated using the extended finite element method. The nonlinearity of specific non-EWF was influenced by the shape factor (beta(D)) and the specific non-essential fracture work per unit volume (w(p, D)), both of which were nonlinearly related to recycled content. Blending brittle recycled material to ductile pristine HDPE decreased the fracture toughness and the crack growth resistance. (C) 2015 Elsevier Ltd. All rights reserved.

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10 citations in Web of Science
13 citations in Scopus

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