Cavitation during deformation of semicrystalline polymers

A Pawlak, A Galeski, A Rozanski - Progress in polymer science, 2014 - Elsevier
Cavitation phenomenon is observed during deformation in many semicrystalline polymers
above their glass transition temperature. Numerous voids (cavities) both nanometer and …

Cavitation‐induced stress whitening in semi‐crystalline polymers

Y Lu, Y Men - Macromolecular Materials and Engineering, 2018 - Wiley Online Library
Cavitation‐induced stress whitening in semi‐crystalline polymers during stretching
significantly influences the physical properties of the materials. This review summarizes …

Mechanical and structural characterization of semicrystalline polyethylene under tensile deformation by molecular dynamics simulations

IC Yeh, JW Andzelm, GC Rutledge - Macromolecules, 2015 - ACS Publications
We have studied tensile deformations of semicrystalline polyethylene (PE) with molecular
dynamics simulations at two different strain rates and temperatures. Compared to earlier …

The Re-/Up-Cycling of Wood Waste in Wood–Polymer Composites (WPCs) for Common Applications

CA Teacă, A Shahzad, IA Duceac, F Tanasă - Polymers, 2023 - mdpi.com
Wood–polymer composites (WPCs) are a class of materials intensively studied and
promoted in the context of sustainable development, mainly when aspects related to the …

Molecular dynamics simulation of the effects of layer thickness and chain tilt on tensile deformation mechanisms of semicrystalline polyethylene

IC Yeh, JL Lenhart, GC Rutledge, JW Andzelm - Macromolecules, 2017 - ACS Publications
We performed molecular dynamics simulations to investigate the effects of layer thicknesses
of both crystalline and noncrystalline domains and chain tilt within the crystalline lamellae on …

Critical strains for lamellae deformation and cavitation during uniaxial stretching of annealed isotactic polypropylene

B Chang, K Schneider, F Xiang, R Vogel, S Roth… - …, 2018 - ACS Publications
The lamellae deformation and cavitation behavior of annealed isotactic polypropylene
during uniaxial stretching are comprehensively investigated by in situ synchrotron small …

A coupled viscoplastic-damage constitutive model for semicrystalline polymers

J Wiersma, T Sain - Mechanics of Materials, 2023 - Elsevier
In the present work, the large deformation rate-dependent constitutive behavior of isotactic
polypropylene is studied via an experimentally validated macroscale constitutive model. To …

Macromolecular insights into the altered mechanical deformation mechanisms of non-polyolefin contaminated polyolefins

R Demets, M Grodent, K Van Kets, S De Meester… - Polymers, 2022 - mdpi.com
Current recycling technologies rarely achieve 100% pure plastic fractions from a single
polymer type. Often, sorted bales marked as containing a single polymer type in fact contain …

Deformation of stereoirregular isotactic polypropylene across length scales. Influence of temperature

F Auriemma, C De Rosa, R Di Girolamo… - …, 2017 - ACS Publications
The development of a highly oriented fiber morphology by stretching low stereoregular
isotactic polypropylene (iPP) samples is studied at two different temperatures. The structural …

Strain and temperature dependence of deformation mechanism of lamellar stacks in HDPE and its guidance on microporous membrane preparation

X Li, Y Lin, Y Ji, L Meng, Q Zhang, R Zhang, W Zhang… - Polymer, 2016 - Elsevier
Aiming to unveil the effect of cold stretching conditions including strain and temperature on
the morphology and performance of membrane product, high density polyethylene (HDPE) …