Journal
ADVANCED MATERIALS
Volume 24, Issue 11, Pages 1482-1486Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201104668
Keywords
spider silk; thermal conductivity; specific heat; self-assembled hierarchical structure; oriented beta sheet
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Funding
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0931290] Funding Source: National Science Foundation
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Two new significant discoveries are reported: i) the dragline silk of N. clavipes spider has an exceptionally high thermal conductivity: up to 416 W/ m u K that beats most materials; ii) contrary to normal materials, its thermal conductivity increases with strain ( 19% increase under similar to y 20% strain). These new findings will revolutionize the design of polymer fibers to increase their thermal conductivity by orders of magnitude.
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