熔盐堆用镍基合金失效机理与改性策略研究进展

王优, 陈向阳, 王煦嘉, 汤春桃, 沈朝, 曾小勤

Progress in Failure Mechanisms and Modification Strategies of Nickel-Based Alloys for Molten Salt Reactors

WANG You, CHEN Xiangyang, WANG Xujia, TANG Chuntao, SHEN Zhao, ZENG Xiaoqin

表3 在辐照耦合效应下常见合金熔盐腐蚀深度汇总[39,41~46]

Table 3 Summary of corrosion depths for common alloys under irradiation-coupled molten salt corrosion [39,41-46]

Material T / oC t / h Irradiation condition h / μm Hastelloy N 700 300 0 40.0 1 × 1015 n·cm-2 47.5 5 × 1015 n·cm-2 52.4 1 × 1016 n·cm-2 64.9 Hastelloy N 700 500 0 23.9 1 × 1015 n·cm-2 33.9 1 × 1016 n·cm-2 42.9 5 × 1016 n·cm-2 54.8 GH3535 700 50 0 0.5 5 × 1016 n·cm-2 3.0 1.3 × 1017 n·cm-2 6.7 Inconel 617 700 50 0 30.0 5 × 1016 n·cm-2 45.8 1.3 × 1017 n·cm-2 50.1 Incoloy 800H 650 4 0 7.7 9.64 × 10-4 dpa 12.9 Incoloy 800H 650 8 0 16.2 1.93 × 10-3 dpa 17.4 Inconel 600 650 8 0 6.4 2.02 × 10-3 dpa 6.3 Inconel 600 650 16 0 8.6 4.04 × 10-3 dpa 9.7 316L 650 1 0 3.9 2.34 × 10-4 dpa 6.3 316L 650 8 0 16.2 1.88 × 10-3 dpa 22.8