Arc Suppression Coatings

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$69,992.00
Award Year:
2006
Program:
SBIR
Phase:
Phase I
Contract:
NNM06AA36C
Award Id:
77529
Agency Tracking Number:
055179
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
ElectroDynamic Applications, Inc. (Currently ELECTRODYNAMIC APPLICATIONS INC)
P.O. Box 131460, Ann Arbor, MI, 48113
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
610511334
Principal Investigator:
David Morris
Principal Investigator
(734) 786-1434
morris@edapplications.com
Business Contact:
David Morris
Business Official
(734) 786-1434
morris@edapplications.com
Research Institution:
n/a
Abstract
In order to support systems such as the Momentum Exchange/Electrodynamic Reboost (MXER) Tether, NASA has identified the need for advanced electrodynamic-tether materials. A recently identified concern with present tether materials, particularly illustrated by the arcing after the tether break during the TSS-1R mission, is the need for arc suppression in the event that the insulation is breached by orbital debris and/or micrometeoroids. This concern applies to any high voltage application, including solar arrays, electric thruster components, and various scientific instruments. A significant hazard in and of itself to the tether application, the impact of the debris may release ionized and neutral particles which can instigate electrical arcing to the surrounding plasma, further weakening or severing the tether. The research program proposed here will identify, develop, and test advanced coatings for electrodynamic tethers that will suppress arc generation should the coating be breached. The proposed mechanism for suppressing the arc is including in the coating an encapsulated or entrapped electronegative gas that is released during the insulation breach and arcing event.

* information listed above is at the time of submission.

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