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Brennan, M.; Tolk, K.M.; Weldon, W.F.; Rylander, H.G.; Woodson, H.H.
Texas Univ., Austin (USA). Center for Electromechanics1977
Texas Univ., Austin (USA). Center for Electromechanics1977
AbstractAbstract
[en] Test data is presented for one grade of copper graphite brush material, Morganite CMlS, over a wide range of surface velocities, atmospheres, and current densities that are expected for fast discharge (<100 ms) homopolar generators. The brushes were run on a copper coated 7075-T6 aluminum disk at surface speeds up to 277 m/sec. One electroplated copper and three flame sprayed copper coatings were used during the tests. Significant differences in contact voltage drops and surface mechanical properties of the copper coatings were observed
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1977; 5 p; 7. symposium on fusion research project; Knoxville, TN, USA; 25 - 29 Oct 1977; Available from NTIS., PC A02/MF A01
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