Auxetic materials
Auxetic Materials
... of Auxetic materials, their occurrence in nature, methods of synthesis, ...these materials. The current status of research into auxetic (negative Poisson's ratio) materials is reviewed, ...
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Review of auxetic materials for sports applications: expanding options in comfort and protection
... 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 ...
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Auxetic materials for biomedical applications
... Figure 4-49 shows the foam deformation profiles for ball, cylindrical and sharp point indentation of unconverted and converted foams. These profiles were taken for indentation to the same indentation depth of 10mm. In ...
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Influence of Negative Poisson's Ratio on Stent Applications
... smart materials tailored through a negative Poisson’s ratio, called auxetic materials, are beneficial in stent ...These materials have high shear modulus, for example w Poisson’s ratio ...
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An investigation into the post impact and post indentation behavior of auxetic composites
... and auxetic through-thickness Poisson’s ratio laminate stacking ...other auxetic materials are possible in auxetic composite laminates and the effect of the size and sign of the through- ...
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Analysis of 2D Auxetic Metamaterial as a Variable Macro and Micro Structural Filter
... normal materials, due to the opposite direction of lateral and longitudinal strain, we get a positive Poisson’s ...some materials which exhibit a negative Poisson’s ...Such materials are called ...
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Auxetic Foams for Sport Safety Applications
... Auxetic materials offer potential to be applied to sports safety ...of auxetic open-cell polyurethane foam - fabricated with a compression and heat treatment process - in comparison to its ...
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Hybrid auxetic foam and perforated plate composites for human body support
... Auxetic materials feature characteristics such as uniform repartition of stresses, adaptability to different shapes and are evaluated in applications in which shock absorption is of ...importance. ...
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Modelling of the mechanical and mass transport properties of auxetic molecular sieves: an idealised inorganic (zeolitic) host-guest system
... on materials having structural features at the micro-and macro- scales (foams and honeycombs) have demonstrated that materials having a negative Poisson’s ratio, ν , ...ratio materials (known as ...
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Large scale extrusion of auxetic polypropylene fibre
... Introduction Auxetic materials [1] are those which have a negative Poisson’s ratio, ...when auxetic mate- rials are stretched in the longitudinal direction, they expand laterally rather than contract ...
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Developments of interfaces containing auxetic constituents
... naturally-occurring auxetic materials. Materials with a high degree of anisotropy such as honeycomb structures[3-5], cubic metals, minerals and certain rocks [6- 7] and living bone tissue [8] just to ...
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Can nanotubes display auxetic behaviour?
... of auxetic materials and structures include hon- eycombs having tessellating motifs similar to those for ...for auxetic behaviour since this is the geometry under which flexure (usually dominant) or ...
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Analytic analysis of auxetic metamaterials through analogy with rigid link systems
... Some auxetic materials are part of an emerging paradigm whereby the use of elastic instability is viewed as a route to new functionality rather than a mode of failure ...In auxetic meta- material ...
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Development of a Biomedical Neckbrace through Tailored Auxetic Shapes
... Auxetic materials do exist in nature, in particular in membranous structures, as in the skin of some reptiles, such as salamander [3], in cow teat [4] or in cat skin [5]: in this sense, it is very ...
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Modeling of negative Poisson’s ratio (auxetic) crystalline cellulose Iβ
... Auxetic materials are attracting interest for their apparently anomalous behavior, and also because the ability to tailor materials to display negative Poisson’s ratio response can open up routes to ...
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Auxetic foams for sports applications
... re-entrant auxetic geometry that are claimed to provide increased fit to the ...by auxetic materials can be further demonstrated, justifying investment in the development of stiffer, more appropriate ...
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A comparison of novel and conventional fabrication methods for auxetic foams for sports safety applications
... [1]. Auxetic open cell foams, having a negative Poisson's ratio, have been shown to increase impact force attenuation and resist 'bottoming out' when compared to their conventional open cell counterparts [2, ...of ...
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A systematic typology for negative Poisson's ratio materials and the prediction of complete auxeticity in pure silica zeolite JST
... exhibits auxetic behaviour may experience a negative Poisson's ratio in a very narrow range of transverse directions, for a narrow range of longitudinal directions of ...discuss auxetic materials and ...
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A Comparative Study of Auxetic and Nonauxetic Materials
... of auxetic materials from the macro- scale to the nano .... Materials with negative Poisson’s ratio have been modeled largely by regular 2D networks and the results for extreme Poisson’s ratios and ...
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Auxetic Cellular Materials – a Review
... cellular materials are modern materials which have some unique and superior mechanical ...the auxetic materials, their development, most common geometries, fabrication methods, mechanical ...
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