Elastic properties of an orthotropic binary fiber-reinforced composite with auxetic and conventional constituents

Nava-Gómez, Gerardo G.; Camacho‐Montes, H.; Sabina, Federico J.; Rodrı́guez-Ramos, Reinaldo; Fuentes, L.; Guinovart-Dı́az, Raúl

doi:10.1016/j.mechmat.2012.01.004

Cited by 12 publications

(6 citation statements)

References 29 publications

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“…Developments of auxetic weft-knitted fabrics will find a wide variety of potential applications in different fields, such as PPE for sportswear and headwear, but more research needs to be undertaken to explore these potential applications further [29]. 3D auxetic textiles have been developed for composite reinforcement applications [5,237]) through the use of warp and weft yarns [238] with stitch yarns [239] and auxetic fibres [240]. A four layer woven 3D auxetic textile structure has been used as composite reinforcement through a vacuum-assisted resin transfer moulding process [241].…”

Section: Fabricating Auxetic Textilesmentioning

confidence: 99%

“…For sports apparel, auxetic textiles could enhance comfort and performance in PPE, with the unique ability to fit easily to curved shapes combined with high compressive energy absorption and indentation resistance [245]. In order to implement auxetic textiles commercially, a future focus should be given to factors affecting their 3D auxetic textiles have been developed for composite reinforcement applications [5,237]) through the use of warp and weft yarns [238] with stitch yarns [239] and auxetic fibres [240]. A four layer woven 3D auxetic textile structure has been used as composite reinforcement through a vacuum-assisted resin transfer moulding process [241].…”

Section: Fabricating Auxetic Textilesmentioning

confidence: 99%

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Review of Auxetic Materials for Sports Applications: Expanding Options in Comfort and Protection

Duncan

Shepherd

Moroney³

et al. 2018

Applied Sciences

228

151

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Following high profile, life changing long term mental illnesses and fatalities in sports such as skiing, cricket and American football-sports injuries feature regularly in national and international news. A mismatch between equipment certification tests, user expectations and infield falls and collisions is thought to affect risk perception, increasing the prevalence and severity of injuries. Auxetic foams, structures and textiles have been suggested for application to sporting goods, particularly protective equipment, due to their unique form-fitting deformation and curvature, high energy absorption and high indentation resistance. The purpose of this critical review is to communicate how auxetics could be useful to sports equipment (with a focus on injury prevention), and clearly lay out the steps required to realise their expected benefits. Initial overviews of auxetic materials and sporting protective equipment are followed by a description of common auxetic materials and structures, and how to produce them in foams, textiles and Additively Manufactured structures. Beneficial characteristics, limitations and commercial prospects are discussed, leading to a consideration of possible further work required to realise potential uses (such as in personal protective equipment and highly conformable garments).

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Section: Fabricating Auxetic Textilesmentioning

confidence: 99%

Section: Fabricating Auxetic Textilesmentioning

confidence: 99%

Review of Auxetic Materials for Sports Applications: Expanding Options in Comfort and Protection

Duncan

Shepherd

Moroney³

et al. 2018

Applied Sciences

228

151

View full text Add to dashboard Cite

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“…More current and important research on auxetic materials has been presented by authors of the last year issue of PSSb journal, references therein, and many others examples …”

Section: Introductionmentioning

confidence: 99%

Torsion of a Two‐Phased Composite Bar With Helical Distribution of Constituents

Jopek

Stręk

2017

Physica Status Solidi (b)

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Helical arrangements are very common both in nature and in artificial structures. In this paper, an analysis of a prismatic composite bar is presented. The cross‐sectional shape of the bar is described by a regular polygon. The composite is built of two homogeneous isotropic materials characterised by different Poisson's ratios one of which can be negative. Spatial distribution of materials in the composite is based on helical shape. Both materials are connected with the use of a transition zone of assumed width. The bar is subjected to torsional loading and its behavior is investigated by means of FEM method. Both material properties and the parameters of helical shape are investigated and the result of numerical analysis is presented.

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“…The out-of-plane Young's modulus is shown to be enhanced beyond the stiffer material by analytical and numerical methods by and . Besides, closed-form expressions for the nine effective elastic constants of a binary fiber reinforced composites with transversally isotropic constituents with positive (conventional) and negative (auxetic) Poisson's ratio are considered by Nava-Gómez et al (2012).…”

Section: Introductionmentioning

confidence: 99%

Dynamic homogenization for composites with embedded multioriented ellipsoidal inclusions

Sabina

Gandarrilla-Pérez

Otero

et al. 2015

International Journal of Solids and Structures

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Keywords:Composite materials Multi-oriented ellipsoidal inclusions Effective medium Dispersion and attenuation of waves Self-consistent method a b s t r a c t An analysis of wave propagation in the low-frequency domain using the self-consistent medium method (SCM) for a composite with randomly distributed ellipsoidal inclusions embedded in a matrix is studied. The constituents of which may have transversally isotropic properties. An extension of the SCM method proposed by Sabina et al. (1993) for transversally isotropic composites with several types of inclusions (different geometrical shapes and materials) is given. In that sense, the influence of the various geometrical forms of the inclusions in both, static and dynamic regimen, is analyzed. Quasi-longitudinal and quasi-transversal waves are considered as a function of the direction of incident wave. Some comparisons with previous results using the same method but considering only one type of ellipsoidal inclusions are excellent. Comparison with finite element calculations and two scale asymptotic homogenization method shows excellent results also. Dynamic effective properties, that is, dispersion and attenuation, for composites with different aspect ratios, and inclusion volume fractions are also shown.

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Elastic properties of an orthotropic binary fiber-reinforced composite with auxetic and conventional constituents

Cited by 12 publications

References 29 publications

Review of Auxetic Materials for Sports Applications: Expanding Options in Comfort and Protection

Review of Auxetic Materials for Sports Applications: Expanding Options in Comfort and Protection

Torsion of a Two‐Phased Composite Bar With Helical Distribution of Constituents

Dynamic homogenization for composites with embedded multioriented ellipsoidal inclusions

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