Multimicrosecond, high power density current pulses have been employed in a study of the surface response of railgun rail materials. Many of the surface transformations observed appear to result from self-quenching effects. The pulse heating produces a hot skin while the specimen interior remains cold. The hot skin is in intimate thermal contact with the cold interior. These conditions result in a rapid self-quench. The thermophysical properties of the materials affect the extent of the surface modification and the level of damage that results from pulsed joule heating.
High energy rate modification of surface layers of conductors
Hochenergie-Veraenderung von Oberflaechenschichten von Leitern
IEEE Transactions on Magnetics ; 22 , 6 ; 1658-1661
1986
4 Seiten, 8 Bilder, 10 Quellen
Aufsatz (Zeitschrift)
Englisch
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