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Sign Change of Poisson's Ratio for Carbon Nanotube Sheets

✍ Scribed by Hall, L. J.; Coluci, V. R.; Galvao, D. S.; Kozlov, M. E.; Zhang, M.; Dantas, S. O.; Baughman, R. H.

Book ID
111989384
Publisher
American Association for the Advancement of Science
Year
2008
Tongue
English
Weight
379 KB
Volume
320
Category
Article
ISSN
0036-8075

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✍ Menghe Miao; Jill McDonnell; Lucy Vuckovic; Stephen C. Hawkins πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 768 KB

The Poisson's ratio of carbon nanotube (CNT) dry-spun yarns can be tuned over an extremely wide range of values that are up to 20-30 times higher than common solid materials. This is a result of the highly variable porosity of the yarn structure, from 90% in very low twist yarns to 40% in high twist