Functionally graded carbon nanotubes reinforced composite structures: An extensive review

Soni, Sourabh Kumar; Thomas, Benedict; Swain, Ashirbad; Roy, Tarapada

doi:10.1016/j.compstruct.2022.116075

Cited by 36 publications

(9 citation statements)

References 224 publications

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“…CNTs as a high‐performance nanoscale reinforcement showing a number of advantages such as lightweight, large aspect ratio, stable chemical property, and ultrahigh mechanical strength (e.g., elastic modulus ~0.4–1 TPa, and tensile strength ~10–50 GPa), have been widely employed in structural and functional composites 16,17 . However, even up to now, the mechanical strengthening effect provided by incorporating CNTs into polymer‐based composites is still fallen short of the theoretical expectations.…”

Section: Introductionmentioning

confidence: 99%

“…[12][13][14][15] CNTs as a high-performance nanoscale reinforcement showing a number of advantages such as lightweight, large aspect ratio, stable chemical property, and ultrahigh mechanical strength (e.g., elastic modulus $0.4-1 TPa, and tensile strength $10-50 GPa), have been widely employed in structural and functional composites. 16,17 However, even up to now, the mechanical strengthening effect provided by incorporating CNTs into polymer-based composites is still fallen short of the theoretical expectations. In fact, this is mainly attributed to the following reasons: (i) In the preparation of CNTs, the diameter, length and surface defects of each CNT cannot be effectively controlled; (ii) the large inherent surface energy and high pristine aspect ratio make CNTs easily agglomerated and entangled, which greatly enhances the difficulty of being uniformly dispersed in polymer matrices during traditional mixing processes; (iii) due to its ultrahigh specific surface area, even a small amount of CNTs is able to sharply increase the viscosity of blend and to destroy the initial excellent processibility of polymers.…”

Section: Introductionmentioning

confidence: 99%

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The synergistic improvement in mechanical strength and toughness obtained in epoxy‐based composites incorporating with carbon nanotubes‐polymer hybrid construction

Ding

Yin

et al. 2023

J of Applied Polymer Sci

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In order to meet the ever‐increasing demands of complex engineering applications, it is necessary to design the polymer‐based composites with the synergistic improvements in strength and toughness. Herein, the novel carbon nanotubes (CNT)‐bismaleimide (BMI) hybrid construction (CBH) was prepared through mechanical blending and pulverizing. The as‐prepared CBH with a stable structure and well‐regulated morphological construction was employed as a special functional filler to endow the epoxy‐based composites with a significantly enhanced overall mechanical property. Due to CBH can provide a multiscaled interfacial interaction with matrix, the composite loaded with 1 wt% CBH exhibited the synchronously improved both tensile modulus (1.31 GPa) and toughness (1.89 MJ m−3), which are 27.18% and 209.83% higher than those of pure epoxy, respectively. Moreover, good interfacial compatibility between CBH and matrix allows the composite loaded with 1 wt% CBH to exhibit the thermal conductivity of 0.18 W m−1 K−1, which was 28.57% higher than pure epoxy (0.14 W m−1 K−1). Be different from many other CNTs‐loaded counterparts, the aligned‐CNTs loaded composite showed a well‐maintained insulating feature. The novel carbon nanotubes‐polymer hybrid construction expands the application range of epoxy‐based insulating composites by optimizing their mechanical and thermal properties.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The synergistic improvement in mechanical strength and toughness obtained in epoxy‐based composites incorporating with carbon nanotubes‐polymer hybrid construction

Ding

Yin

et al. 2023

J of Applied Polymer Sci

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“…Along with advanced airplane materials, potential applications of CF are: CO 2 capture for reducing climate change [ 1 ]; battery electrodes applied to EVs [ 2 ]; and advancement of utilizations for thermally conductive carbon-reinforced composites [ 3 ]. Besides CF [ 4 , 5 ], several types of carbon reinforcements have been used, including: carbon nanotubes [ 6 , 7 ], carbon nanofibers [ 8 ], graphite, graphene, carbon black [ 9 ], and ultrathin carbon nanotube (CNT) veils to enhance interlaminar toughness [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

“…nanotubes [6,7], carbon nanofibers [8], graphite, graphene, carbon black [9], and ultrathin carbon nanotube (CNT) veils to enhance interlaminar toughness [10].…”

Section: Introductionmentioning

confidence: 99%

A New Strengthening Process for Carbon-Fiber-Reinforced Thermoplastic Polyphenylene Sulfide (CFRTP-PPS) Interlayered Composite by Electron Beam Irradiation to PPS Prior to Lamination Assembly and Hot Press

et al. 2023

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Impact by hailstone, volcanic rock, bird strike, or also dropping tools can cause damage to aircraft materials. For maximum safety, the goal is to increase Charpy impact strength (auc) of a carbon-fiber-reinforced thermoplastic polyphenylene sulfide polymer (CFRTP-PPS) composite for potential application to commercial aircraft parts. The layup was three cross-weave CF plies alternating between four PPS plies, [PPS-CF-PPS-CF-PPS-CF-PPS], designated [PPS]4[CF]3. To strengthen, a new process for CFRP-PPS was employed applying homogeneous low voltage electron beam irradiation (HLEBI) to both sides of PPS plies prior to lamination assembly with untreated CF, followed by hot press under 4.0 MPa at 573 K for 8 min. Experimental results showed a 5 kGy HLEBI dose was at or near optimum, increasing auc at each accumulative probability, Pf. Optical microscopy of 5 kGy sample showed a reduction in main crack width with significantly reduced CF separation and pull-out; while, scanning electron microscopy (SEM) and electron dispersive X-ray (EDS) mapping showed PPS adhering to CF. Electron spin resonance (ESR) of a 5 kGy sample indicated lengthening of PPS chains as evidenced by a reduction in dangling bond peak. It Is assumed that 5 kGy HLEBI creates strong bonds at the interface while strengthening the PPS bulk. A model is proposed to illustrate the possible strengthening mechanism.

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“…6 The higher-order shear deformation theory (HSDT) is also applied in the FG-CNTRC pipes where the large deflection in concerned. 7 Recently, in addition to vibration, bending, and buckling analysis, 8,9 the dynamic impact characteristics of FG-CNTRC have also been considered. Fallah et al 10 proposed a semi-analytical strategy to reveal the low velocity impact (LVI) behavior of FG-CNTRC, based on Runge-Kutta and Ritz methods, where the kinematics are computed based on HSDT.…”

Section: Introductionmentioning

confidence: 99%

Symmetric SPH modeling of functionally graded nanocomposite plates subjected to low‐velocity impact

Li,

Lin,

Naceur

et al. 2023

Polymer Composites

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Functionally graded (FG) composites reinforced by carbon nanotubes (CNTs) have received extensive attention due to their excellent mechanical properties. The impact responses of FG‐CNT nanocomposites are analyzed by the developed meshless method. The temperature‐dependent material properties are expressed by way of the extended rule of mixture. The kinematics of the composite plate is established on the basis of the first‐order shear deformation theory. The modified Hertzian contact law is adopted to evaluate the impact loading between the plate and the impactor. The dynamic balance equations of the plate are constructed and computed by the Systemic Smoothed Particle Hydrodynamics (SSPH) method with strengthened prediction ability. The impacting behaviors of the FG‐CNT nanocomposite plate, as well as the parametric effects, are analyzed by the developed model and the suitability is clearly demonstrated.Highlights Impact of FG‐CNTRC is firstly solved by a self‐developed meshless SPH model. Strong capacity of the SPH impact model is clearly demonstrated. More CNTs close to the strike face would improve the impact resistance.

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Functionally graded carbon nanotubes reinforced composite structures: An extensive review

Cited by 36 publications

References 224 publications

The synergistic improvement in mechanical strength and toughness obtained in epoxy‐based composites incorporating with carbon nanotubes‐polymer hybrid construction

The synergistic improvement in mechanical strength and toughness obtained in epoxy‐based composites incorporating with carbon nanotubes‐polymer hybrid construction

A New Strengthening Process for Carbon-Fiber-Reinforced Thermoplastic Polyphenylene Sulfide (CFRTP-PPS) Interlayered Composite by Electron Beam Irradiation to PPS Prior to Lamination Assembly and Hot Press

Symmetric SPH modeling of functionally graded nanocomposite plates subjected to low‐velocity impact

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