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Test data on electrical contacts at high surface velocities and high current densities for homopolar generators

Author
Brennan, M
Published
United States : [publisher not identified], 1977.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1977.
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Rylander, H. G., Tolk, K. M., Weldon, W. F., and Woodson, H. H.

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Summary
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.
Report Numbers
CONF-771029-121
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: EG-77-S-05-5594
OSTI Identifier 5153980
Research organization: Texas Univ., Austin (USA). Center for Electromechanics.
View MARC record | catkey: 43938553