کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1415970 | 985939 | 2010 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Focused ion beam milling of carbon nanotube yarns to study the relationship between structure and strength
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی (عمومی)
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چکیده انگلیسی
The effect of twist and solvent densification on the internal structure of carbon nanotube yarns was revealed using focused ion beam milling and related to yarn strength through tensile testing. Denser carbon nanotube yarns with smaller diameters were produced either through solvent densification or with increasing twist densities from 5 to ∼15 turns/mm, but led to only minor improvement in yarn tenacity. At twist densities greater than ∼15 turns/mm, a core-sheath structure developed and was correlated with a decline in strength. The implications of bonding between the nanotubes in the twisted yarn are briefly considered. These results have implications for the future development of high strength carbon nanotube yarn.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbon - Volume 48, Issue 15, December 2010, Pages 4450–4456
Journal: Carbon - Volume 48, Issue 15, December 2010, Pages 4450–4456
نویسندگان
Kallista Sears, Chris Skourtis, Ken Atkinson, Niall Finn, William Humphries,