The Effect of Shear Deformation on Permeability of 2.5D Woven Preform

Chen, Zhiming; Pan, Shilie; Zhou, Zhen-Gong; Lei, T. Q.; Dong, Baofeng; Xu, Peifei

doi:10.3390/ma12213594

Cited by 10 publications

(6 citation statements)

References 28 publications

(48 reference statements)

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“…The first cause, change of fibre volume fraction, is much stronger than the second. A simplified estimation of the preform permeability after shear can be done using Kozeny-Carman-type equation with the constants evaluated based on the non-sheared configuration [247][248][249]. Apart from the change of principal values, the rotation of the permeability must be considered [250].…”

Section: Permeabilitymentioning

confidence: 99%

Advances in composite forming through 25 years of ESAFORM

et al. 2022

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The increase in the number of structural applications of composite materials, especially in the aerospace and automotive industries, has led to a demand for robust models to simulate composite forming processes. The mechanical behaviour of composite materials during forming is relatively complex due to their fibre-matrix composition. Many research studies have been conducted in the past 25-plus years into experimental methods for the characterization of the mechanical behaviours that are exhibited by textile-reinforced composite material systems during forming and into the development of material models to be used in computer codes for forming simulations. These studies have been presented and discussed in the ESA-FORM conferences since 1997 and especially in the 'Composite Forming Processes' mini-symposium launched in 2001. This article presents a survey of the research carried out in this context. Mechanical characterization tests specific to composite forming are presented as well as recent analysis techniques such as digital image correlation and X-ray tomography. Threedimensional mechanical behaviour laws, in particular hypo-and hyperelastic, have been developed and extended to second gradient models. Specific shell approaches have been presented and their application to wrinkling analysis. Resin flow and permeability analysis is another area of research in composite forming processes which are discussed in this article. Research on certain processes is also presented, in particular thermoforming of thermoplastic composites, wet compression moulding, pultrusion, automated fibre placement and three-dimensional printing. This comprehensive review of the works of multiple research groups is a recognition of the breadth and depth of efforts that have been invested into the understanding of the manufacturability of textile-reinforced composite materials.

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Section: Permeabilitymentioning

confidence: 99%

Advances in composite forming through 25 years of ESAFORM

et al. 2022

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“…Thanks to good film-forming properties, low cost, biocompatibility and biodegradability, fish gelatin has been recently recommended for the preparation of biodegradable films in active food packaging, replacing conventional non-biodegradable polymers and other mammalian-based gelatins [ 149 , 150 ]. Gelatin is easily processed by applying heat and mechanical stress in extrusion-based technologies [ 53 ].…”

Section: Applications In Food Packagingmentioning

confidence: 99%

“…They are tasteless, colorless, transparent, water-soluble and present higher flexibility properties than other bio-based films for food packaging [ 149 ]. Since the melting point of gelatin is close to body temperature, the gelatin-based films can be used for the preparation of edible films [ 132 , 150 ]. In addition, fish gelatin has shown great potential as an excellent matrix to host bio-active compounds with enhanced functionalities, such as antioxidant/antimicrobial [ 149 ].…”

Section: Applications In Food Packagingmentioning

confidence: 99%

“…The use of fish gelatin films in food packaging is limited by some drawbacks, such as the high hygroscopicity, which is responsible for a drastic reduction in moisture barrier and mechanical strength [ 53 , 151 ], and low oxygen permeability [ 150 ]. To overcome this weakness, some successful strategies summarized in Figure 7 have been recently investigated.…”

Section: Applications In Food Packagingmentioning

confidence: 99%

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Recent Applications of Biopolymers Derived from Fish Industry Waste in Food Packaging

Lionetto

Corcione

2021

Polymers

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Fish waste is attracting growing interest as a new raw material for biopolymer production in different application fields, mainly in food packaging, with significant economic and environmental advantages. This review paper summarizes the recent advances in the valorization of fish waste for the preparation of biopolymers for food packaging applications. The issues related to fishery industry waste and fish by-catch and the potential for re-using these by-products in a circular economy approach have been presented in detail. Then, all the biopolymer typologies derived from fish waste with potential applications in food packaging, such as muscle proteins, collagen, gelatin, chitin/chitosan, have been described. For each of them, the recent applications in food packaging, in the last five years, have been overviewed with an emphasis on smart packaging applications. Despite the huge industrial potential of fish industry by-products, most of the reviewed applications are still at lab-scale. Therefore, the technological challenges for a reliable exploitation and recovery of several potentially valuable molecules and the strategies to improve the barrier, mechanical and thermal performance of each kind of biopolymer have been analyzed.

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“…Often, a multi-layer fiber preform is used, composed of several different layers whose orientation and stacking sequence should optimize the mechanical performance. Different measurement methods are available in the literature, mostly related to the in-plane permeability, but there is not yet a standard procedure [27,28] and the data, obtained using different methods and different fabric architecture, are often not consistent [29]. Very few studies are reported on out-of-plane permeability, which is more difficult to measure [30,31].…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Study of Vacuum Resin Infusion of Stiffened Carbon Fiber Reinforced Panels

Lionetto

Moscatello

Totaro³

et al. 2020

Materials

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Liquid resin infusion processes are becoming attractive for aeronautic applications as an alternative to conventional autoclave-based processes. They still present several challenges, which can be faced only with an accurate simulation able to optimize the process parameters and to replace traditional time-consuming trial-and-error procedures. This paper presents an experimentally validated model to simulate the resin infusion process of an aeronautical component by accounting for the anisotropic permeability of the reinforcement and the chemophysical and rheological changes in the crosslinking resin. The input parameters of the model have been experimentally determined. The experimental work has been devoted to the study of the curing kinetics and chemorheological behavior of the thermosetting epoxy matrix and to the determination of both the in-plane and out-of-plane permeability of two carbon fiber preforms using an ultrasonic-based method, recently developed by the authors. The numerical simulation of the resin infusion process involved the modeling of the resin flow through the reinforcement, the heat exchange in the part and within the mold, and the crosslinking reaction of the resin. The time necessary to fill the component has been measured by an optical fiber-based equipment and compared with the simulation results.

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The Effect of Shear Deformation on Permeability of 2.5D Woven Preform

Cited by 10 publications

References 28 publications

Advances in composite forming through 25 years of ESAFORM

Advances in composite forming through 25 years of ESAFORM

Recent Applications of Biopolymers Derived from Fish Industry Waste in Food Packaging

Experimental and Numerical Study of Vacuum Resin Infusion of Stiffened Carbon Fiber Reinforced Panels

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