Interface binding and mechanical properties of MXene-epoxy nanocomposites

Sliozberg, Yelena R.; Andzelm, Jan; Hatter, Christine B.; Anasori, Babak; Gogotsi, Yury; Hall, Asha

doi:10.1016/j.compscitech.2020.108124

Cited by 82 publications

(60 citation statements)

References 59 publications

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“…The mechanical strength linearly improved with MXene content up to 1.0 vol%; further increase in filler loading reduced the modulus owing to filler aggregation. [143] Simulations revealed that increasing the lateral size of MXene particles and converting OH termination to O termination led to an increased mechanical strength due to electrostatic interactions between the MXene flakes and the resin. Using a vacuum-assisted filtration, Ling et al [37] fabricated 40 wt% Ti 3 C 2 T x reinforced polyvinyl alcohol (PVA) with hydrophilic surface with a surprising improvement of ≈200% in tensile and elastic behaviors were observed owing to the effect of OH functionalization groups (tensile strength of pure matrix is ≈30 MPa while it is ≈91 MPa for 40 wt% MXene reinforced polymer sample).…”

Section: (12 Of 20)mentioning

confidence: 99%

“…It should be noted that due to the lack of surface terminations, the use of pristine graphene is usually limited in composite manufacturing. [80,95,143] Hydrophilic nature bestows a superior wettability with a wide variety of materials as it helps MXene sheets to be easily dispersed and distributed in different liquids. [144] To date, MXenes have been used in many polymeric matrices such as nylon-6, [75] polyurethane (PU), [83,86,145] polylactic acid (PLA), [31,64] polyacrylic acid (PAA), [146] polyvinyl alcohol (PVA), [37,69,142] polyvinylidene fluoride (PVDF), [60] bisphenol F, [147] chitosan, [71] among others.…”

Section: Mxene/polymer Compositementioning

confidence: 99%

“…With the aim of improving the ductility and the fracture toughness of thermosetting epoxy polymer, Sliozberg et al [143] developed a MXene reinforced thermosetting polymer matrix (diglycidyl ether of bisphenol A resin) when they employed a DFT approach and coarse-grained molecular dynamics (MD) Reproduced with permission. [83] Copyright 2019, Elsevier.…”

Section: (12 Of 20)mentioning

confidence: 99%

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Mechanotribological Aspects of MXene‐Reinforced Nanocomposites

2020

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MXenes are recently discovered 2D nanomaterial with superior mechanical, thermal, and tribological properties, being commonly employed in a wide variety of critical research areas, ranging from cancer therapy to energy and environmental applications. Due to their special properties, such as mechanoceramic nature with excellent mechanical performance, thermal stability and rich surface properties, MXenes have tremendous potential as advanced composite structures, especially those based on polymers due to a great affinity between macromolecules and the terminating groups of 2D MXenes. MXenes have been extensively explored in metal matrix nanocomposites as well as in solid‐ or liquid‐based lubrication systems owing to the 2D structure and antifriction characteristics. The purpose of the this paper is to provide a comprehensive insight into the material, mechanical, and tribological properties of the MXene nanolayers with discussions on the recent advancements attained from MXene‐reinforced nanocomposites starting with the synthesis, fabrication techniques, intricacies of the underlying physics and mechanisms, and finally focusing on the progress in computational studies. This analysis of MXene‐based composites will stimulate an emerging field with innumerable opportunities and ample potentials to produce newfangled materials and structures with targeted properties.

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Section: (12 Of 20)mentioning

confidence: 99%

Section: Mxene/polymer Compositementioning

confidence: 99%

Section: (12 Of 20)mentioning

confidence: 99%

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Mechanotribological Aspects of MXene‐Reinforced Nanocomposites

2020

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“…MXenes is a family of 2D transition metal carbides, carbonitrides, and nitrides. Due to their outstanding mechanical, thermal, and electrical properties, these multilayered compounds have been employed to realize multifunctional epoxy-based nanocomposites characterized by enhanced electrical and thermal conductivity, self-healing characteristics, excellent toughness, and mechanical properties, even at low filler percentages (1 wt.%) [ 46 , 47 , 48 , 49 , 50 ].…”

Section: Nanofillers For Epoxy Resinsmentioning

confidence: 99%

“…Alternative chemical methods that involve the use of non-toxic solvents or a bio-approach have also been proposed [ 100 , 101 , 102 , 103 , 104 , 105 ]. The modification of the MXenes surface can be achieved by the creation of thermally stable oxygen functional groups, able to assure interfacial adhesion with the epoxy matrix [ 50 ].…”

Section: Production Of Nanocompositesmentioning

confidence: 99%

Recent Advances and Trends of Nanofilled/Nanostructured Epoxies

Frigione

Lettieri

2020

Materials

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This paper aims at reviewing the works published in the last five years (2016–2020) on polymer nanocomposites based on epoxy resins. The different nanofillers successfully added to epoxies to enhance some of their characteristics, in relation to the nature and the feature of each nanofiller, are illustrated. The organic–inorganic hybrid nanostructured epoxies are also introduced and their strong potential in many applications has been highlighted. The different methods and routes employed for the production of nanofilled/nanostructured epoxies are described. A discussion of the main properties and final performance, which comprise durability, of epoxy nanocomposites, depending on chemical nature, shape, and size of nanoparticles and on their distribution, is presented. It is also shown why an efficient uniform dispersion of the nanofillers in the epoxy matrix, along with strong interfacial interactions with the polymeric network, will guarantee the success of the application for which the nanocomposite is proposed. The mechanisms yielding to the improved properties in comparison to the neat polymer are illustrated. The most important applications in which these new materials can better exploit their uniqueness are finally presented, also evidencing the aspects that limit a wider diffusion.

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