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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Wang, Lei
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2023An analysis of rotationally moulded sandwich structure’s repeated impact properties
- 2023Fusion of Ni Plating on CP-Titanium by Electron Beam Single-Track Scanning: Toward a New Approach for Fabricating TiNi Self-Healing Shape Memory Coating
- 2022Green synthesis of Ag/Fe3O4 nanoparticles using Mentha longifolia flower extract: evaluation of its antioxidant and anti-lung cancer effects
- 2022An atomistic simulation study of rapid solidification kinetics and crystal defects in dilute Al–Cu alloyscitations
- 2022Multiscale analysis of crystalline defect formation in rapid solidification of pure aluminium and aluminium–copper alloyscitations
- 2022Reprocessed materials used in rotationally moulded sandwich structures for enhancing environmental sustainability: low-velocity impact and flexure-after-impact responsescitations
- 2022Multiscale analysis of crystal defect formation in rapid solidification of pure aluminium and aluminium-copper alloys
- 2022Mechanically Flexible Thermoelectric Hybrid Thin Films by Introduction of PEDOT:PSS in Nanoporous Ca3Co4O9citations
- 2021On the use of limestone calcined clay cement (LC<sup>3</sup>) in high-strength strain-hardening cement-based composites (HS-SHCC)citations
- 2021Bimetallic effects on Zn-Cu electrocatalysts enhance activity and selectivity for the conversion of CO2 to COcitations
- 2021Growth and optical properties of CaxCoO2 thin filmscitations
- 2021Guiding the Catalytic Properties of Copper for Electrochemical CO2 Reduction by Metal Atom Decoration.citations
- 2020The role of zinc in metakaolin-based geopolymerscitations
- 2020Unconventional valley-dependent optical selection rules and landau level mixing in bilayer graphenecitations
- 2019Magic continuum in twisted bilayer WSe2
- 2019An investigation of low velocity impact properties of rotationally molded skin–foam–skin sandwich structurecitations
- 2018Fracture toughness of rotationally molded polyethylene and polypropylenecitations
- 2016Nonlinear Generation of Vector Beams from AlGaAs Nanoantennascitations
- 2016Electron optics with p-n junctions in ballistic graphenecitations
- 2014Charge Control And Wettability Alteration At Solid-liquid Interfacescitations
- 2011A Common Genetic Variant in the 3′-UTR of Vacuolar H <sup>+</sup> -ATPase <i>ATP6V0A1</i> Creates a Micro-RNA Motif to Alter Chromogranin A Processing and Hypertension Riskcitations
- 2008Heritability and Genome-Wide Linkage in US and Australian Twins Identify Novel Genomic Regions Controlling Chromogranin Acitations
- 2007Polysulfide networks. in Situ formation and characterization of the elastomeric behaviorcitations
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article
Fracture toughness of rotationally molded polyethylene and polypropylene
Abstract
In this work, the fracture toughness of rotationally molded polyethylene (PE) and polypropylene (PP) was measured using J integral methods at static loading rates and at room temperature. Two different commercially available rotational molding grades PE and PP were tested in this study which have been used in various rotationally molded products such as small leisure craft, water storage tanks, and so on. Scanning electron microscope (SEM), optical microscope, differential scanning calorimetry (DSC), solid‐state nuclear magnetic resonance (solid‐state NMR), and X‐ray scattering were used to investigate the microstructure, fracture surfaces, and compare toughness properties of these materials. In PE, higher molecular weight and broader molecular weight distribution, larger amorphous and crystal region thicknesses are found to be related to higher toughness values. High molecular weight favors higher number of entanglements that improve fracture energy and broader distribution increases long chain branching of higher molecular weight fractions which creates higher entanglements at the branch sites. Larger amorphous regions promote microvoiding more easily compared to thinner amorphous regions, leading to greater plastic deformation and energy absorption. Higher crystal thickness also contributes to microvoiding in the amorphous region. For PP, greater plastic deformation observed in the fracture surfaces is related to higher fracture toughness values.