Surface and internal microstructure damage of He-ion-irradiated CLAM steel studied by cross-sectional transmission electron microscopy
作者： P.P. Liu , Q. Zhan , Z.Y. Fu , Y.P. Wei , Y.M. Wang
DOI: 10.1016/J.JALLCOM.2015.07.177
关键词: Embrittlement 、 Metallurgy 、 Transmission electron microscopy 、 Focused ion beam 、 Bubble 、 Materials science 、 Ion 、 Irradiation 、 Composite material 、 Helium 、 Microstructure
摘要: Abstract Good understanding of blistering and embrittlement mechanism depends on good investigation surface internal microstructure damage gas-ion-irradiated materials. Internal He + ion irradiated CLAM steel were examined by cross-sectional transmission electron microscopy combining focused beam. Variation helium bubble density size distribution versus depth in after high dose irradiation at room temperature was investigated. The average increased within 100–400 nm but decreased near the non-irradiated matrix with increase depth, while followed a reverse trend. formation growth is different depth. zone large bubbles under main reason flaking. Helium induced swelling low also discussed.
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