ENGRI111_28_nanotubes1 - Carbon Nanotubes Composites B, 33,...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Carbon Nanotubes Carbon Nanotubes Composites B, 33 , 263, 2002 Scientific American, 62, Dec. 2000
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
History History Nanometer size cylinders made out of C Layers of graphite rolled up into a cylinder Multi-wall nanotubes, MWNT S. Ijima, NEC, 1991 (earlier discovery in Russia) Single-wall nanotubes, SWNT 1 nm diameter
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
Properties/Applications Properties/Applications Extraordinary strength Tunable electronic properties Good thermal conductors
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Properties Properties Property SWNT Benchmark Size d: 0.6 – 1.8 nm Litho: 50 nm Density 1.3 – 1.4 g/cm 3 Al: 2.7 g/cm 3 Steel: 7.8 g/cm 3 Strength 50 - 200 GPa Steel: 1.5 GPa Resilience Bendable at large angles Metals and carbon fracture Current Carrying 1B amp/cm 2 Cu: 1M amp/cm 2
Background image of page 6
Properties II Properties II Property SWNT Benchmark Field Emission 1-3 V/μ Mo: 50 -100 V/μ Heat Transmission 6,000 W/mK Diamond: 3,300 W/mK Stability 2800 °C 750 °C (air) Most wires melt 600 -1000 °C Cost $100 – 1000/g Au: $20/g
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/09/2009 for the course MSE 111 taught by Professor Giannelis during the Fall '07 term at Cornell University (Engineering School).

Page1 / 22

ENGRI111_28_nanotubes1 - Carbon Nanotubes Composites B, 33,...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online