Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 49 / Number 4 / Pages 802-808
Robert C. Cook, Stephan A. Letts, Steven R. Buckley, Evelyn Fearon
Fusion Science and Technology / Volume 49 / Number 4 / Pages 802-808
Format:electronic copy (download)
An engineering model is presented for the removal of the plastic mandrel from the inside of a sputtered Be shell. The removal is accomplished by forcing heated air in and out of the 4 to 5 m laser drilled fill hole in the capsule wall by cycling the external pressure between 2 and 5 atm. The plastic is combusted to CO2 and H2O by this exposure, thus removing the mandrel. Calculations are presented to evaluate the various parameters in the approach. Experimental confirmation of the effectiveness of the removal is shown.
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