Scalable and passive carbon nanotube thin-film sensor for detecting micro-strains and potential impact damage in fiber-reinforced composite materials

Autor:	Joshua DeGraff, Pierre-Jean Cottinet, Minh-Quyen Cottinet, Tarik Dickens, Kunal Joshi, Marquese Pollard, Grace Johnson, Anghea Dolisca, Richard Liang
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	Carbon nanotubes buckypaper strain sensing impact detection barely visible impact damage passive sensing Materials of engineering and construction. Mechanics of materials TA401-492 Polymers and polymer manufacture TP1080-1185
Zdroj:	Nanocomposites, Vol 9, Iss 1, Pp 215-230 (2023)
Druh dokumentu:	article
ISSN:	20550324 2055-0332 2055-0324
DOI:	10.1080/20550324.2023.2291625
Popis:	AbstractStructural health monitoring (SHM) of brittle structures will require versatile sensing instrumentation that can transmitting transient loadings into rapid electrical responses. This research investigated the sensing performance of CNT Buckypaper (CNT-BP) thin-films on stressed fiber-reinforced composites, which are integral materials to various industries of the infrastructure. Three-point bending experiments revealed an extraordinary gauge factor (∼40) and impressive response linearity. Electrical responses were instantaneous; moreover, low force impacts were detectable, the sensors provided clear indications of spatial recognition. Most importantly, the manufacturing methods are scalable and cost effective compared to commercialized strain gauges. This study examined micro-strain measurements (
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/c343258e158c498b89e41faa6b79c955 Zobrazit plný text záznamu View record in DOAJ