Influence of radiation on borosilicate glass leaching behaviors

被引：5
|
作者：
Qin, Kemian [1 ,2 ,3 ]
Zhang, Buyun [1 ,2 ,3 ]
Jin, Zhaoxuan [1 ,2 ,3 ]
Wang, Yuchuan [2 ]
Pan, Yuhe [1 ,2 ,3 ]
Sun, Yuqian [1 ,2 ,3 ]
Bai, Kai [1 ,2 ,3 ]
Zhu, Shikun [1 ,2 ,3 ]
Wang, Tieshan [1 ,2 ,3 ]
Peng, Haibo [1 ,2 ,3 ]
机构：
[1] Lanzhou Univ, MOE Frontiers Sci Ctr Rare Isotopes, Lanzhou, Peoples R China
[2] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou, Peoples R China
[3] Lanzhou Univ, Key Lab Special Funct Mat & Struct Design, Minist Educ, Lanzhou 730000, Peoples R China
来源：
NPJ MATERIALS DEGRADATION | 2024年 / 8卷 / 01期
基金：
中国国家自然科学基金;
关键词：
MECHANICAL-PROPERTIES; NUCLEAR; WASTE; IRRADIATION; DISSOLUTION; IMPACT; STATE; CORROSION; HARDNESS;
D O I：
10.1038/s41529-024-00426-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Vitrification is widely recognized as a promising method for the geological disposal of high-level radioactive waste (HLW) worldwide. To ensure the safe disposal of radioactive waste, the borosilicate glass that vitrifies HLW must exhibit exceptional water resistance to prevent the possibility of groundwater corrosion and subsequent radioactive leaks. Radiation might change the water resistance of borosilicate glass. A series of zirconium-containing borosilicate glass with an irradiation dose of 0.3 dpa were utilized to examine the radiation effect on glass-water interaction. Scanning electron microscopy (SEM), Time-of-Flight Secondary ion mass spectrometry (ToF-SIMS), X-ray photoelectron spectroscopy (XPS), Inductively Coupled Plasma Optical Emission spectroscopy (ICP-OES) and Fourier transform infrared spectroscopy (FTIR) were used to investigate the leaching behavior of the non- and irradiated samples. The depth profile of the leached samples implied the interdiffusion dominated glass-water interaction. The results from FTIR and ICP-OES indicated that, after irradiation, the initial leaching rate increased by threefold. Additionally, the impact of different zirconium contents on the water resistance of borosilicate glass was also presented.
引用
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页数：11
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