Multimodel approach for accurate determination of industry-driven properties for Polymer Nanocomposite Materials

Laurini, Erik; Fermeglia, Maurizio; Pricl, Sabrina

doi:10.1016/j.jocs.2018.03.002

Cited by 6 publications

(2 citation statements)

References 44 publications

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“…The adopted CAMDD-based workflow is based on the adaptation and implementation of a series of computational recipes we previously developed and validated for a range of different (nano)composite polymeric materials [21,22]. Briefly, using the Rotational Isomeric State (RIS) approach [23] at room temperature, 3 independent chain configurations were constructed beginning from the optimum monomer unit for each polymer.…”

Section: Materials Designmentioning

confidence: 99%

Thermoplastic Materials for the Metal Replacement of Non-Structural Components in Marine Engines

et al. 2022

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Metal replacements for automotive and aerospace components are already a consolidated reality, in light of the advantages offered by fibre-reinforced polymers, consisting of reduced costs, weight, and environmental impact. As a result, engineering has been studying the possibility of replacing currently used metallic alloys with alternative materials, such as thermoplastic fibre-reinforced polymers, in the manufacturing of non-structural sections of marine engines. Given the peculiar characteristics of the working environment of such parts, i.e., ship engine spaces, and the strict requirements regarding safety, the selection of the polymer must be properly performed through a tailored material design process. Consequently, the redesign of the components must be carried out with the aim of exploiting the best of the materials’ properties while ensuring the correct resistance and simplifying installation operations. In this framework, finite element simulations may represent a suitable approach to validate the conformity of the proposed material and design. In this paper, this methodology is applied to a camshaft cover of a four-stroke marine engine, currently made of aluminium alloy. A 30% wt GFs/PA6,6 was identified as the most promising material and the novel plastic cover proved to guarantee the correct resistance while ensuring an important reduction in weight, processing costs, and required energy.

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Section: Materials Designmentioning

confidence: 99%

Thermoplastic Materials for the Metal Replacement of Non-Structural Components in Marine Engines

et al. 2022

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“…For material design and selection, understanding and quantifying the links between material structure at the nano-and micro-scale and their macroscopic effects is, therefore, essential (e.g. see [3]). Moreover, having macroscopic models that can effectively describe the all the micro-structure related phenomenon is of paramount importance.…”

Section: Introductionmentioning

confidence: 99%

Model reduction for the forming process of fibrous composites structures via second gradient enriched continuum models

Barbagallo

d’Agostino

Aivaliotis

et al. 2019

Mechanics of Advanced Materials and Structures

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This paper describes phenomena associated to the microstructure, such as the local bending stiffness of the yarns, with a second gradient parameter associated to terms in the energy with higher order derivatives. The results obtained with this enriched continuous model are presented and it is shown how the main deformation mode can be controlled to reproduce experimental evidence. In particular, increasing the second gradient parameter, the deformation mode switches from shear to one with a constant curvature along the specimen. Two fibrous composite reinforcements with two different geometries are modeled: composite airframe for aeronautic industry and an automotive leaf-spring for automotive industry. The two application cases are described as homogeneous second gradient continua with an energy depending on the in-plane and out-of-plane curvature of the yarns. This addition allows to take into account the effects of the local bending stiffness of the yarns at the mesoscale in a homogenized way.

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Creep assessment of thermoplastic materials for non-structural components in marine engines

Bardiani,

Bertagna,

Braidotti

et al. 2024

Composites Part B: Engineering

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Multimodel approach for accurate determination of industry-driven properties for Polymer Nanocomposite Materials

Cited by 6 publications

References 44 publications

Thermoplastic Materials for the Metal Replacement of Non-Structural Components in Marine Engines

Thermoplastic Materials for the Metal Replacement of Non-Structural Components in Marine Engines

Model reduction for the forming process of fibrous composites structures via second gradient enriched continuum models

Creep assessment of thermoplastic materials for non-structural components in marine engines

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