熔盐电堆的材料腐蚀

徐雅欣, 曾潮流

Corrosion of Materials for Molten Salt Reactor

XU Yaxin, ZENG Chaoliu

表1 Cr在不同熔盐体系中的平衡溶解浓度[3]

Table 1 Equilibrium level of Cr dissolved in various salts[3]

Salt mixture ZrF4 or BeF2 mol.% [UF4] mol.% [Cr] at 600 ℃ 10-6 mol [Cr] at 800 ℃ 10-6 mol FLiNaK 0 2.5 1100 2700 LiF-ZrF4 48 4.0 2900 3900 NaF-ZrF4 50 4.1 2300 2550 NaF-ZrF4 47 4.0 1700 2100 NaF-ZrF4 41 3.7 975 1050 KF-ZrF4 48 3.9 1080 1160 NaF-LiF-ZrF4 (22-22-23) 23 2.5 550 750 LiF-BeF2 48 1.5 1470 2260