Electron Irradiation Effects of Sodium Borosilicate Glass

DUAN Binghuang; CHEN Liang; WANG Tieshan; PENG Haibo; ZHANG Genfa; YANG Kunjie

doi:10.11804/NuclPhysRev.31.02.189

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Article Navigation > Nuclear Physics Review > 2014 > 31(2): 189-194

DUAN Binghuang, CHEN Liang, WANG Tieshan, PENG Haibo, ZHANG Genfa, YANG Kunjie. Electron Irradiation Effects of Sodium Borosilicate Glass[J]. Nuclear Physics Review, 2014, 31(2): 189-194. doi: 10.11804/NuclPhysRev.31.02.189

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DUAN Binghuang, CHEN Liang, WANG Tieshan, PENG Haibo, ZHANG Genfa, YANG Kunjie. Electron Irradiation Effects of Sodium Borosilicate Glass[J]. Nuclear Physics Review, 2014, 31(2): 189-194. doi: 10.11804/NuclPhysRev.31.02.189

Electron Irradiation Effects of Sodium Borosilicate Glass

doi: 10.11804/NuclPhysRev.31.02.189

School of nuclear science and technology, Lanzhou University, Lanzhou 730000, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-06-20

Abstract

As the first layer of engineering barriers, glass will be irradiated by electron in the long-term disposal of high level radioactive waste (HLW). It is significant to study the electron irradiation effects of glass for the safe disposal of HLW. In this paper, the effects induced by electron irradiation were studied in situ by transmission electron microscope (TEM). Under electron beam, the phase separation occurred very soon in both glasses, which was correlated to the network relaxation processes as a consequence of diffusion and desorption of sodium species during electron irradiation. A simple structural model was introduced to explain the difference in separated phase in two different glasses, which indicates that the phase separation induced by electron irradiation is closely related to the sodium contents in the glass sample.
- borosilicate,
- electronic irradiation,
- phase separation,
- sodium migration,
- TEM
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Electron Irradiation Effects of Sodium Borosilicate Glass

doi: 10.11804/NuclPhysRev.31.02.189

School of nuclear science and technology, Lanzhou University, Lanzhou 730000, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-06-20

Key words:

Abstract: As the first layer of engineering barriers, glass will be irradiated by electron in the long-term disposal of high level radioactive waste (HLW). It is significant to study the electron irradiation effects of glass for the safe disposal of HLW. In this paper, the effects induced by electron irradiation were studied in situ by transmission electron microscope (TEM). Under electron beam, the phase separation occurred very soon in both glasses, which was correlated to the network relaxation processes as a consequence of diffusion and desorption of sodium species during electron irradiation. A simple structural model was introduced to explain the difference in separated phase in two different glasses, which indicates that the phase separation induced by electron irradiation is closely related to the sodium contents in the glass sample.

Citation: