Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices

Abstract With advances in flexible and wearable device technology, thermal regulation will become increasingly important. Fabrics and substrates used for such applications will be required to effectively spread any heat generated in the devices to ensure user comfort and safety, while also preventin...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Aaditya A. Candadai, Emily J. Nadler, Jack S. Burke, Justin A. Weibel, Amy M. Marconnet
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/35d085982bbd4c65b0292e270f991da1
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:35d085982bbd4c65b0292e270f991da1
record_format	dspace
spelling	oai:doaj.org-article:35d085982bbd4c65b0292e270f991da12021-12-02T13:44:14ZThermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices10.1038/s41598-021-87957-72045-2322https://doaj.org/article/35d085982bbd4c65b0292e270f991da12021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87957-7https://doaj.org/toc/2045-2322Abstract With advances in flexible and wearable device technology, thermal regulation will become increasingly important. Fabrics and substrates used for such applications will be required to effectively spread any heat generated in the devices to ensure user comfort and safety, while also preventing overheating of the electronic components. Commercial fabrics consisting of ultra-high molecular weight polyethylene (UHMW-PE) fibers are currently used in personal body armor and sports gear owing to their high strength, durability, and abrasion resistance. In addition to superior mechanical properties, UHMW-PE fibers exhibit very high axial thermal conductivity due to a high degree of polymer chain orientation. However, these materials have not been widely explored for thermal management applications in flexible and wearable devices. Assessment of their suitability for such applications requires characterization of the thermal and mechanical properties of UHMW-PE in the fabric form that will ultimately be used to construct heat spreading materials. Here, we use advanced techniques to characterize the thermal and mechanical properties of UHMW-PE fabrics, as well as other conventional flexible materials and fabrics. An infrared microscopy-based approach measures the effective in-plane thermal conductivity, while an ASTM-based bend testing method quantifies the bending stiffness. We also characterize the effective thermal behavior of fabrics when subjected to creasing and thermal annealing to assess their reliability for relevant practical engineering applications. Fabrics consisting of UHMW-PE fibers have significantly higher thermal conductivities than the benchmark conventional materials while possessing good mechanical flexibility, thereby showcasing great potential as substrates for flexible and wearable heat spreading application.Aaditya A. CandadaiEmily J. NadlerJack S. BurkeJustin A. WeibelAmy M. MarconnetNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Aaditya A. Candadai Emily J. Nadler Jack S. Burke Justin A. Weibel Amy M. Marconnet Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices
description	Abstract With advances in flexible and wearable device technology, thermal regulation will become increasingly important. Fabrics and substrates used for such applications will be required to effectively spread any heat generated in the devices to ensure user comfort and safety, while also preventing overheating of the electronic components. Commercial fabrics consisting of ultra-high molecular weight polyethylene (UHMW-PE) fibers are currently used in personal body armor and sports gear owing to their high strength, durability, and abrasion resistance. In addition to superior mechanical properties, UHMW-PE fibers exhibit very high axial thermal conductivity due to a high degree of polymer chain orientation. However, these materials have not been widely explored for thermal management applications in flexible and wearable devices. Assessment of their suitability for such applications requires characterization of the thermal and mechanical properties of UHMW-PE in the fabric form that will ultimately be used to construct heat spreading materials. Here, we use advanced techniques to characterize the thermal and mechanical properties of UHMW-PE fabrics, as well as other conventional flexible materials and fabrics. An infrared microscopy-based approach measures the effective in-plane thermal conductivity, while an ASTM-based bend testing method quantifies the bending stiffness. We also characterize the effective thermal behavior of fabrics when subjected to creasing and thermal annealing to assess their reliability for relevant practical engineering applications. Fabrics consisting of UHMW-PE fibers have significantly higher thermal conductivities than the benchmark conventional materials while possessing good mechanical flexibility, thereby showcasing great potential as substrates for flexible and wearable heat spreading application.
format	article
author	Aaditya A. Candadai Emily J. Nadler Jack S. Burke Justin A. Weibel Amy M. Marconnet
author_facet	Aaditya A. Candadai Emily J. Nadler Jack S. Burke Justin A. Weibel Amy M. Marconnet
author_sort	Aaditya A. Candadai
title	Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices
title_short	Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices
title_full	Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices
title_fullStr	Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices
title_full_unstemmed	Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices
title_sort	thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/35d085982bbd4c65b0292e270f991da1
work_keys_str_mv	AT aadityaacandadai thermalandmechanicalcharacterizationofhighperformancepolymerfabricsforapplicationsinwearabledevices AT emilyjnadler thermalandmechanicalcharacterizationofhighperformancepolymerfabricsforapplicationsinwearabledevices AT jacksburke thermalandmechanicalcharacterizationofhighperformancepolymerfabricsforapplicationsinwearabledevices AT justinaweibel thermalandmechanicalcharacterizationofhighperformancepolymerfabricsforapplicationsinwearabledevices AT amymmarconnet thermalandmechanicalcharacterizationofhighperformancepolymerfabricsforapplicationsinwearabledevices
_version_	1718392489445949440

Thermal and mechanical characterization of high performance polymer fabrics for applications in wearable devices

Ejemplares similares