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Flightweight Carbon Nanotube Magnet Technology

By Chapman, J. N.

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Book Id: WPLBN0004301827
Format Type: PDF eBook :
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Reproduction Date: 2003-03-01

Title: Flightweight Carbon Nanotube Magnet Technology  
Author: Chapman, J. N.
Volume: Report-Number: L-18277; NAS 1.60:212178; NASA/TP-2003-212178
Language: English
Subject: Spacecraft Control, Vectors (Mathematics), Energy Storage
Collections: Government Library Collection
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J, S. H. (2003). Flightweight Carbon Nanotube Magnet Technology. Retrieved from

Description: Virtually all plasma-based systems for advanced airborne/spaceborne propulsion and power depend upon the future availability of flightweight magnet technology. Unfortunately, current technology for resistive and superconducting magnets yields system weights that tend to counteract the performance advantages normally associated with advanced plasma-based concepts. The ongoing nanotechnology revolution and the continuing development of carbon nanotubes (CNT), however, may ultimately relieve this limitation in the near future. Projections based on recent research indicate that CNTs may achieve current densities at least three orders of magnitude larger than known superconductors and mechanical strength two orders of magnitude larger than steel. In fact, some published work suggests that CNTs are superconductors. Such attributes imply a dramatic increase in magnet performance-to-weight ratio and offer real hope for the construction of true flightweight magnets. This Technical Publication reviews the technology status of CNTs with respect to potential magnet applications and discusses potential techniques for using CNT wires and ropes as a winding material and as an integral component of the containment structure. The technology shortfalls are identified and a research and technology strategy is described that addresses the following major issues: (1) Investigation and verification of mechanical and electrical properties, (2) development of tools for manipulation and fabrication on the nanoscale, (3) continuum/molecular dynamics analysis of nanotube behavior when exposed to practical bending and twisting loads, and (4) exploration of innovative magnet fabrication techniques that exploit the natural attributes of CNTs.; CASI; Nasa Publication Center: Marshall Space Flight Center; Unclassified; Copyright (Distribution as joint owner in the copyright) ; Unlimited; Publicly available;; Report-Number: L-18277; NAS 1.60:212178; NASA/TP-2003-212178


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