Performances of Cr 2 O 3 –hydrogen isotopes permeation barriers
作者： Qun Li , Li-Bin Mo , Jie Wang , Kai Yan , Tao Tang
DOI: 10.1016/J.IJHYDENE.2015.03.093
关键词:
摘要: Abstract Hydrogen isotopes permeation barriers (HIPB) play an important role in reducing hydrogen and leakage energy thermonuclear fusion energy. In this study, the Cr2O3–HIPB were prepared on 316L stainless steel by RF magnetron sputtering. The performances of investigated, including deuterium-permeation reduction factor (D-PRF), micro-structure nano-hardness. D-PRF 0.5 μm could reach 48 at 700 °C 152 400 °C first test cycle. However, it reduced to 20 89 second (012), (104), (113) (116) diffraction peaks occurred morphologies became loose after high temperature annealing. nano-hardness decreased 31% from 9.1 GPa 6.3 GPa with increasing annealing time 64 h. It was inferred that invasion should be responsible for performance evolution the Cr2O3–HIPB under temperatures. Furthermore, FeCr2O4 phase formed the interfaces as a result element diffusion, which might contribute cracking Cr2O3–HIPB.
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