Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 52 / Number 3
Ross Radel, Gerald Kulcinski
Fusion Science and Technology
Volume 52 / Number 3 / October 2007 / Pages 544-548
Format:electronic copy (download)
The durability and lifetime of thin tungsten or refractory metal coatings on the first walls of inertial and magnetic confinement fusion reactors is a key issue for the feasibility of such devices. Past studies at UW-Madison have indicated that tungsten, when subjected to He+ fluences in excess of 4 × 1017 He+/cm2, shows extensive pore formation at 800 °C. The current study attempts to produce more realistic results by simultaneously irradiating tungsten samples with helium and hydrogen species and by investigating the effects of pulsed helium ion irradiation on tungsten.
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