Influence of multi-wall carbon nanotube content on dry and corrosive wear performances of pure magnesium

Turan, Muhammet Emre; Sun, Yavuz; Aydın, Fatih; Akgül, Yasin

doi:10.1177/0021998318762294

Cited by 34 publications

(12 citation statements)

References 26 publications

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“…To the author’s knowledge, a little information is available in the open literature concerning the dynamic behavior of laminates reinforced with thin films based on random distribution of CNTs. It has been shown in several works that the mechanical performance of polymer composites reinforced with CNTs can be superior with respect to those made of neat composites in terms of tensile strength and tensile properties 14–17 and strain to failure. 18,19…”

Section: Introductionmentioning

confidence: 99%

Mechanical behavior of carbon nanotubes-based polymer composites under impact tests

Moumen

Tarfaoui

Benyahia

et al. 2018

Journal of Composite Materials

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This study was focused on the effect of carbon nanotubes on the impact resistance and damage evolution in laminate carbon nanotubes/epoxy composites under an impact loading. The composite panels were made from carbon fibers and carbon nanotubes randomly distributed into epoxy resin. The amount of carbon nanotubes dispersion was varied up to 4% by weight. Taylor impact tests were carried out to obtain the impact response of specimens with dimensions of 70×70×4 mm3. A projectile manufactured from a high strength and hardened steel with a diameter of 20 mm and 1.5 kg of mass was launched by a compressed gas gun within the velocity of 3 m/s, 7 m/s and 12 m/s. For the experimental test, three velocity levels were used: 3 m/s for the elastic deformation, 7 m/s for the penetration of the impactor and 12 m/s for the perforation of panels. Deformation histories and damage modes in specimens were recorded during the impact test using a high-speed camera. Processing of carbon nanotubes dispersed in laminates, testing, damage, and key findings is reported. It is observed that the impact resistance of laminates reinforced with a random distribution of carbon nanotubes increases up to 15.6% at high-strain rate compared with that of 0% of carbon nanotubes. It is also observed that the resistance to damage initiation and evolution increases with the addition of carbon nanotubes concentration.

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Section: Introductionmentioning

confidence: 99%

Mechanical behavior of carbon nanotubes-based polymer composites under impact tests

Moumen

Tarfaoui

Benyahia

et al. 2018

Journal of Composite Materials

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“…This can be attributed to the fact that repeated higher loads on the surfaces of samples can form higher friction forces. 18 As seen in Figure 5, as a result of the wear test, there are pieces ruptured from the samples. Therefore, it can be said that the abrasive-wear mechanism was formed.…”

Section: Resultsmentioning

confidence: 99%

Mechanical properties of graphene-nanoparticle and carbon-nanotube-reinforced pe-matrix nanocomposites

Erden¹,

Akgül²,

Kayabas³

et al. 2019

Mater. Tehnol.

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In this study, graphene-nanoplatelet (GNP) and carbon-nanotube (CNT) reinforced nanocomposites were produced with pressure molding. 1 w/% of GNPs and 1 w/% of CNTs were separately added to a polyethylene (PE) matrix and 0.5 w/% of both reinforcements was also jointly added to the PE matrix. In this manner, the effects of GNPs and CNTs on the mechanical properties of PE were compared and the synergistic effect was investigated. In order to examine the mechanical properties, a tensile test, a hardness test and a wear test were applied to the produced samples. Also, fracture surfaces and wear surfaces were investigated with a scanning electron microscope (SEM). It was observed that the graphene was distributed homogeneously in the polyethylene matrix. Thus, the GNP-containing samples showed better mechanical properties than the CNT-containing samples. Keywords: polymer-matrix composites, compression molding, high-density polyethylene, graphene, carbon nanotube V {tudiji avtorji opisujejo izdelavo polimernih kompozitov, oja~anih z grafenskimi nanoplo{~icami (GNPs) in ogljikovimi nanocevkami (CNTs). Postopek izdelave je potekal z oblikovanjem v kovinskem modelu pod tlakom. V prvo polietilensko (PE) matrico so dodali 1 mas. % GNPs, v drugo 1 mas. % CNTs in v tretjo po 0,5 mas. % obeh oja~itvenih faz. Nato so dolo~ili mehanske lastnosti izdelanih kompozitov in ugotavljali vpliv dodatka GNPs in CNTs ter raziskovali sinergijski u~inek obeh. V ta namen so na izdelanih preizku{ancih izvedli natezni preizkus, meritve trdote in odpornosti proti obrabi. Prelomne in obrabne povr{ine so prav tako pregledali pod vrsti~nim elektronskim mikroskopom (SEM). Rezultati raziskave so pokazali, da je grafen enakomerno porazdeljen po PE matrici. Zato so imeli vzorci, ki so vsebovali GNPs bolj{e mehanske lastnosti kot vzorci, ki so vsebovali CNTs. Klju~ne besede: kompoziti s polimerno matrico, oblikovanje pod tlakom, polietilen z visoko gostoto, grafen, ogljikove nanocevke

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“…Under 10 N load, sample 5 showed approximately 2.5 times greater wear resistance than pure HDPE. It can be attributed to the graphite layer of carbon fiber which can provide lubricant effect . Also, this can be related to the hardness properties of SCFs and good interface behavior between matrix and reinforcement.…”

Section: Resultsmentioning

confidence: 99%

Mechanical, tribological, and biological properties of carbon fiber/hydroxyapatite reinforced hybrid composites

et al. 2020

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The present study aims to investigate the effect of short carbon fiber (SCFs) and hydroxyapatite (HAp) content on mechanical, tribological, and biological properties of high‐density polyethylene (HDPE) matrix composites. The proposed HDPE/SCFs‐HAp hybrid composites with good mechanical‐tribological behavior and biocompatibility might be used as novel implants in orthopedics. The composites were developed using twin‐screw extrusion and compression molding methods. Hardness, tensile, and 3‐point bending tests were performed to investigate the mechanical properties of hybrid composites. To evaluate wear performance of the samples, three different loads (10, 20, and 30 N) were applied in simulated body fluid. Biological activities of the hybrid composite samples were investigated. Results show that HDPE‐10%SCFs‐10%HAp sample provides optimum mechanical, tribological, and biological properties.

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Influence of multi-wall carbon nanotube content on dry and corrosive wear performances of pure magnesium

Cited by 34 publications

References 26 publications

Mechanical behavior of carbon nanotubes-based polymer composites under impact tests

Mechanical behavior of carbon nanotubes-based polymer composites under impact tests

Mechanical properties of graphene-nanoparticle and carbon-nanotube-reinforced pe-matrix nanocomposites

Mechanical, tribological, and biological properties of carbon fiber/hydroxyapatite reinforced hybrid composites

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