NUCLEAR TECHNIQUES, Volume. 46, Issue 3, 030603(2023)
Effect of zinc injection on crud deposition and boron precipitation on fuel cladding surface
Figures & Tables(7)
Fig. 2. Macro morphology of specimen surface after crud deposition test (a) Zn-free, (b) 10 μg‧L-1 Zn, (c) 100 μg‧L-1 Zn
Fig. 3. Micro morphology of specimen surface after crud deposition test (a) Zn-free, (b) 10 μg‧L-1 Zn, (c) 100 μg‧L-1 Zn
Fig. 4. Micro morphology of specimen cross section after fuel crud test (a) Zn-free, (b) 10 μg‧L-1 Zn, (c) 100 μg‧L-1 Zn
Fig. 5. XPS spectra analysis of crud formed on specimen surface after crud deposition test in (a~c) Zn-free, (d~f) 10 μg‧L-1 Zn, (g~j) 100 μg‧L-1 Zn
Table 1. Crud deposition test parameters
View tableView in ArticleTable 1. Crud deposition test parameters
参数Parameters 值Value 冷却剂温度Coolant temperature / ℃ 320 试样内表面温度
Inner surface temperature of specimen / ℃
380 压力Pressure / MPa 12 pH320 ℃ 7.2 高氢容存量Dissolved hydrogen / μg‧L-1 40 Ni含量Ni concentration / mg‧L-1 20 Fe含量Fe concentration / mg‧L-1 20 Zn含量Zn concentration / μg‧L-1 0、10、100
Table 2. The main elements of fuel curd under different Zn concentrations (at.%)
View tableView in ArticleTable 2. The main elements of fuel curd under different Zn concentrations (at.%)
元素Element Zn-free 10 μg‧L-1 Zn 100 μg‧L-1 Zn O 48.2 56.3 60.9 Ni 16.0 8.1 3.5 Fe 29.9 30.3 30.9 Zn — — 2.2 B 5.9 5.3 2.4 Ni/Fe 0.5 0.3 0.1
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Jiapeng LIAO, Yulong MAO, Tianming RUAN, Yousen HU, Desheng JIN, Jinggang LI, Zhongcun CHEN. Effect of zinc injection on crud deposition and boron precipitation on fuel cladding surface[J]. NUCLEAR TECHNIQUES, 2023, 46(3): 030603
Paper Information
Category: Research Articles
Received: Oct. 20, 2022
Accepted: --
Published Online: Apr. 17, 2023
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