NUCLEAR TECHNIQUES, Volume. 46, Issue 7, 070602(2023)
Research on corrosion release model for nuclear metallic materials based on PBR
Figures & Tables(7)
Fig. 1. Tendency of released amount of corrosion products over time considering Inconel 690
Fig. 2. Verification result of corrosion release model (group one)
Fig. 3. Verification result of corrosion release model (group two)
Fig. 4. Verification result of corrosion release model (group three)
Table 1. Corrosion release experimental data of Inconel 690
View tableView in ArticleTable 1. Corrosion release experimental data of Inconel 690
时间Time / h 1 000 1 500 2 000 3 000 4 000 第一组Group one 腐蚀速率Corrosion rate / mdm 4.05 2.96 2.98 2.22 2.00 释放速率Release rate / mdm 1.52 1.04 1.20 1.19 0.89 第二组Group two 腐蚀速率Corrosion rate / mdm 5.05 3.50 3.24 2.59 2.11 释放速率Release rate / mdm 2.79 1.44 1.36 1.27 1.02 第三组Group three 腐蚀速率Corrosion rate / mdm 3.16 2.66 2.11 2.25 1.84 腐蚀速率Release rate / mdm 0.98 1.03 0.95 0.96 0.80
Table 2. Relative deviations of experimental and calculated data
View tableView in ArticleTable 2. Relative deviations of experimental and calculated data
组别
Group
实验时间
Experimental time
/ h
相对误差
Relative error
/ %
1 1 000 -31.08 1 1 500 -33.38 1 2 000 -30.36 1 3 000 -21.28 1 4 000 -20.45 2 1 000 -1.45 2 1 500 -11.75 2 2 000 -16.06 2 3 000 -14.13 2 4 000 -13.39 3 1 000 -43.05 3 1 500 -35.15 3 2 000 -28.53 3 3 000 -25.97 3 4 000 -24.29 平均偏差
Relative deviation
— ~ -23
Table 3. Sensitivity study of PBR value based on group two data
View tableView in ArticleTable 3. Sensitivity study of PBR value based on group two data
实验时间
Experimental
time / h
腐蚀产物释放量
The amount of corrosion product released
/ mg∙dm-2
PBR=0.5 PBR=1 PBR=1.5 PBR=2 1 000 5.42 3.82 4.14 4.58 1 500 11.05 7.79 8.44 9.35 2 000 18.00 12.69 13.75 15.23 3 000 26.33 18.57 20.12 22.28 4 000 35.39 24.95 27.03 29.93
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Changying LI, Desheng JIN, Yulong MAO. Research on corrosion release model for nuclear metallic materials based on PBR[J]. NUCLEAR TECHNIQUES, 2023, 46(7): 070602
Paper Information
Category: Research Articles
Received: Sep. 18, 2022
Accepted: --
Published Online: Aug. 3, 2023
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