Study of Al2O3–Er2O3 composite coatings as hydrogen isotopes permeation barriers
作者： Jie Wang , Qun Li , Qing-Yun Xiang , Tao Tang , Yong-Chu Rao
DOI: 10.1016/J.IJHYDENE.2015.11.042
关键词: Chemical engineering 、 Nanotechnology 、 Hydrogen 、 Oxygen 、 Sputtering 、 Magazine 、 Permeation 、 Deuterium 、 Composite number 、 Thermonuclear fusion 、 Chemistry
摘要: Abstract Composite coatings as Hydrogen Isotopes Permeation Barriers have seldom been studied. In this work, the Al2O3–Er2O3 component composite HIPB were prepared on 316L stainless steel by radio frequency reactive magnetron sputtering. The deuterium permeation reduction factor (D-PRF), structure and nano-hardness of investigated. Er4Al2O9 (012), (023) diffraction peaks appeared. D-PRF 1.2 μm could reach 160 at 600 °C, was 210 at 450 °C increased sharply to 1380 at 250 °C. kept dense during tests while phases changed. decreased from 9.55 GPa 7.46 GPa after tests. It inferred that atoms invasion formation oxygen vacancies should be responsible for performance changes
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