Page 299 - Carbon Nanotube Fibres and Yarns

Textile- Spandex/CNT [47] − − − − >10 4

Coiled-CNT/ rubber [52] − − 4.3 1 1600 (at 2%)

Coiled-CNT [46] <6500 − − − 50

Twisted-CNT/ paraffin [59] − − − − −

Coiled-CNT/ wax [20] <11500 8.2 <2 20 (tested) 1.4 × 10 6 (at 3%)

Coiled-CNT [58] − − 5.4 0.5 3000 (at 3%)
Examples of CNT yarn-based actuators [46]—cont’d

Twisted-CNT [44] <590 1.85 <10 1 (tested) <5000

Twisted-CNT [49] − − >10 − >10 3

Table 11.1 Property T orsional speed (rpm) T orque (N m/kg) Effciency (%) Bandwidth (Hz) Cycle life