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Electromigration of Tritium in V-4Cr-4Ti

K. Hashizume, T. Tanabe

Fusion Science and Technology / Volume 60 / Number 3 / Pages 1135-1138

October 2011

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In order to determine effective charge Z* of tritium in V-4Cr-4Ti alloy, an electromigration experiment has been carried out at temperatures of 330, 373 and 423 K in an electric field strength of about 5 V/m. Tritium concentration profile in a steady state was measured with an imaging plate (IP) technique. According to a simple electromigration theory, the effective charge Z* of tritium was determined from the tritium profiles. Z* obtained increases from 0.7 to 0.95 with increasing temperature. Comparison with the value of Z* for pure V is made and influences of alloying elements on tritium electromigration are discussed.

 
 
 
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