Journal
NUCLEAR MATERIALS AND ENERGY
Volume 7, Issue -, Pages 25-32Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nme.2016.01.001
Keywords
Deuterium plasma; Reduced activation ferritic martensitic steel; Surface morphology; Sputtering erosion
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Funding
- JAEA (Joint Work contract), as a part of Broader Approach activities [26K266]
- NIFS Collaboration Program [NIFS14KEMF063]
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Targets prepared from Reduced Activation Ferritic Martensitic (RAFM) steel F82H were exposed to low-energy (200 eV) deuterium (D) plasma at various temperatures with highfluxes of about 10(22) D/m(2) s to various fluences in the range from 10(25) to 2.5 x 10(26) D/m(2). Under the plasma exposure, micro-structured layers are formed on the target surfaces, and the surface morphology is dependent on the exposure temperature. The erosion yield of the F82H samples increases by a factor of about two as the exposure temperature rises in the range from 403 to 773 K. (C) 2016 The Authors. Published by Elsevier Ltd.
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