Multiaxial mechanical characterization of latex skin for morphing wing application

A morphing aircraft continuously adjusts its wing geometry to achieve optimal flight characteristics for a wide range of flight conditions. Research on morphing aircraft has focused on developing wings with 1 morphing degree of freedom “monomorphing”. However, nowadays the focus is on developing win...

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Autores principales: Dilshad Ahmad, Rafic M. Ajaj
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Lenguaje:EN
Publicado: Elsevier 2022
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Acceso en línea:https://doaj.org/article/f95fc432192d420798146b1ed620df56
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spelling oai:doaj.org-article:f95fc432192d420798146b1ed620df562021-11-22T04:16:25ZMultiaxial mechanical characterization of latex skin for morphing wing application0142-941810.1016/j.polymertesting.2021.107408https://doaj.org/article/f95fc432192d420798146b1ed620df562022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941821003512https://doaj.org/toc/0142-9418A morphing aircraft continuously adjusts its wing geometry to achieve optimal flight characteristics for a wide range of flight conditions. Research on morphing aircraft has focused on developing wings with 1 morphing degree of freedom “monomorphing”. However, nowadays the focus is on developing wings with multiple morphing degrees of freedom “polymorphing”. One of the key design challenges for morphing aircraft technology is the development of skin capable of facilitating morphing whilst maintaining the aerodynamic shape of the wing. Soft polymeric materials represent a potential candidate to act as morphing skin because of their ability to undergo large deformation in multiaxial directions. In this study, latex skin is characterized under all possible deformation modes such as uniaxial, pure shear, biaxial, and equibiaxial to account for monomorphing and polymorphing applications. The effects of strain rate, thickness, and aspect ratio on hysteresis loss, stress relaxation and, stiffness are also studied. The outcomes of this study provide a comprehensive understanding of the mechanical viscoelastic behavior of latex skin under various deformation modes.Dilshad AhmadRafic M. AjajElsevierarticlePolymersMultiaxial characterizationHysteresisMorphing wingLatex skinPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 106, Iss , Pp 107408- (2022)
institution DOAJ
collection DOAJ
language EN
topic Polymers
Multiaxial characterization
Hysteresis
Morphing wing
Latex skin
Polymers and polymer manufacture
TP1080-1185
spellingShingle Polymers
Multiaxial characterization
Hysteresis
Morphing wing
Latex skin
Polymers and polymer manufacture
TP1080-1185
Dilshad Ahmad
Rafic M. Ajaj
Multiaxial mechanical characterization of latex skin for morphing wing application
description A morphing aircraft continuously adjusts its wing geometry to achieve optimal flight characteristics for a wide range of flight conditions. Research on morphing aircraft has focused on developing wings with 1 morphing degree of freedom “monomorphing”. However, nowadays the focus is on developing wings with multiple morphing degrees of freedom “polymorphing”. One of the key design challenges for morphing aircraft technology is the development of skin capable of facilitating morphing whilst maintaining the aerodynamic shape of the wing. Soft polymeric materials represent a potential candidate to act as morphing skin because of their ability to undergo large deformation in multiaxial directions. In this study, latex skin is characterized under all possible deformation modes such as uniaxial, pure shear, biaxial, and equibiaxial to account for monomorphing and polymorphing applications. The effects of strain rate, thickness, and aspect ratio on hysteresis loss, stress relaxation and, stiffness are also studied. The outcomes of this study provide a comprehensive understanding of the mechanical viscoelastic behavior of latex skin under various deformation modes.
format article
author Dilshad Ahmad
Rafic M. Ajaj
author_facet Dilshad Ahmad
Rafic M. Ajaj
author_sort Dilshad Ahmad
title Multiaxial mechanical characterization of latex skin for morphing wing application
title_short Multiaxial mechanical characterization of latex skin for morphing wing application
title_full Multiaxial mechanical characterization of latex skin for morphing wing application
title_fullStr Multiaxial mechanical characterization of latex skin for morphing wing application
title_full_unstemmed Multiaxial mechanical characterization of latex skin for morphing wing application
title_sort multiaxial mechanical characterization of latex skin for morphing wing application
publisher Elsevier
publishDate 2022
url https://doaj.org/article/f95fc432192d420798146b1ed620df56
work_keys_str_mv AT dilshadahmad multiaxialmechanicalcharacterizationoflatexskinformorphingwingapplication
AT raficmajaj multiaxialmechanicalcharacterizationoflatexskinformorphingwingapplication
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