Review Article - Advanced Materials Science Research (2023) Volume 6, Issue 3

A multiscale micromechanical model of nanoreinforced composites

Mukesh Sethi*

Department of Materials Research, Technical University of Denmark, Denmark

*Corresponding Author:
Mukesh Sethi
Department of Materials Research, Technical University of Denmark, Denmark

Received: 02-Jun -2023, Manuscript No. aaamsr -23- 104189; Editor assigned: 05-Jun-2023, Pre-QC No aaamsr-23-104189 (PQ); Reviewed: 19- Jun-2023, QC No. aaamsr-23-104189; Revised: 23-Jun-2023, Manuscript No. aaamsr-23-104189 (R); Published: 30-Jun-2023, DOI: 10.37532/aaasmr.2023.6(3).46-47


Due to their excellent all-encompassing qualities, nano-reinforced composites offer a wide range of advantageous applications. For a quantitative evaluation of the reinforcement influence of nano-fillers and performance optimise, it is essential to comprehend the micromechanical model and the reinforcing process in Nano composites that Since mechanical modelling of composite materials takes into consideration variables like multiscale, multi-phase, and multi-morphology, the original micromechanical model for typical composite materials is no longer valid. This paper addresses the multi-scale parameters equivalent modelling theory of nano-reinforced composites. After theoretical and experimental comparison and verification, it is advised to utilise a generalised modified Halpin-Tsai micromechanical model, which may accommodate any reinforcement shape, size, or orientation. A microscopic sample of the structural tensile properties of the nanoreinforced blended material was studied


Multiscale Nano-reinforced Composites • Multi-scale • Micromorphology


Due to their superior physical characteristics, nano-reinforced composites have generated quite a bit of attention in the technological and scientific sectors [1]. To improve or improve the mechanical properties of the matrix, nano-reinforcement is used to polymers, metals, and other materials [2]. Composite materials enhanced with zero-dimensional tiny particles, composite materials enhanced with one-dimensional nanofibers, such as carbon nanotube reinforced materials, and composite materials enhanced with two-dimensional Nano sheets, such as grapheme reinforced materials, are all able to be separated into three groups [3]. To evaluate the macroscopic mechanical properties of traditional composite materials, researchers have created a number of equivalent models, primarily the Voigt model Halpin Tsai model Mori-Tanaka model Selfconsistent theory [6], Shelby’s theory and equivalent medium theory. On the other hand, nano-reinforced composites are multiphase, cross-scale composites that blend nano reinforcement with macro matrix [4]. Parameter modelling and comparable is used for multiphase and multiscale systems. The parameter evaluation of composites will depend on the component features, ranging size, shape, and distribution of each phase; in compared to conventional composites, Nano composites in have better all-around mechanical reinforcing capabilities and a larger interfacial bonding capacity. When simulation, it is essential to take into account both interface mechanical effects and Nano scale (small-scale) mechanical effects [5]. The initial micromechanical model has to be updated because it is no longer relevant.

Creation of and evaluation of nano reinforced composites

Making samples of nano-reinforced materials: Determining how to more consistently divide the nano reinforcement throughout the matrix is one of the key components in the creation of nano reinforced composites. Solution mixing, melt mixing, and in-situ polymerization are the main techniques used for its preparation and dispersion [6]. The most popular technique for creating Nano composites of polymers in a lab setting is the solution mixing approach. You can swiftly encourage the uniform dispersion of nanoparticles employing this approach by utilising a variety of liquids. In order to blend the two components uniformly with enough agitation before the solvent finally evaporates, the polymer must initially dissolve in a suitable solvent before the particles can be communicated in it [7].

Mechanical properties of nano reinforced composites are being researched.

The mechanical tensile test happens using a German Zwick firm Z010 universal material testing devices, as seen in Fig. 5. The tensile speed is adjusted to 2 mm/min during the experiment, and three tiny samples are investigated for each sample with weight fraction. The average of the three test results is then calculated. .As the weight percentage shown as GPL[8]. 6 increases, the elastic modulus of the composite frequently rises. When the weight proportion of GPL is low, the elastic modulus grows fast and has a steep advancement curve. The modulus of elastic growth curve is more probable to be flat as GPL weight % rises and growth rate slows as a result of continuous dispersion. Due of the speed with which nanoparticles may aggregate, the elastic modulus gradually rises as GPL concentration increases. Consequently, it may be updated to meet different needs while still taking account of the parameter factor in mechanical model [9].

Qualitative micromorphology

Using the focused ion/electron double beam machinery built by Fei Czech Co., Ltd. and the Helios NanoLab G3 CX model, the section micromorphology of epoxy/GPL composites was studied. The following are the resolution requirements for the instrument: Resolution at the intersection of the beams is 1.6 nm @ 5 kV, 2.5 nm @ 1 kV, and 0.8 nm @ 15 kV at the best working distance. It can be established that the nano reinforcement employed in the experiment has a particle size and thickness that are lower than the resolution of an electron microscope [10].


In this research, the mechanical characteristics of nano reinforced composites were experimentally investigated, along with their microscopic characterisation. A generalised modified Halpin Tsai model is initially provided for the parameter equivalence of nano reinforced composites with unlimited form, size, and orientation. The second phase entailed using the solution mixing procedure to generate epoxy/GPL nano reinforced composites. The third test was a mechanical tension test, and its micro character development was recorded. The results of the analysis of the relevant ranges of the Voigt, Halpin Tsai, and Mori-Tanaka models are reported last.


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