Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 64 / Number 2 / Pages 216-220
L. M. Garrison, G. L. Kulcinski
Fusion Science and Technology / Volume 64 / Number 2 / Pages 216-220
Format:electronic copy (download)
Single crystal tungsten samples with orientation (110) were irradiated in the Materials Irradiation Experiment with normal incidence 30 keV He+ at 900 aC. Samples were mechanically polished and then electropolished with a KOH solution before irradiation to 3×1017 to 6×1018 He+/cm2. With increasing fluence sample surface pore size increased from ~20 nm to more than 100 nm. Mass loss also increased with fluence to a maximum of 15 g/m2 lost for the highest fluence sample.
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