Effect of cold forging on the microstructure and corrosion behavior of type 316L stainless steel in molten FLiNaK salt

被引：0
|
作者：
Qiu, Jie [1 ,2 ]
Hayes, Ryan D. [2 ]
Chan, Ho Lun [3 ]
Williams, Haley [2 ]
Macdonald, Digby D. [2 ]
Scarlat, Raluca O. [2 ]
Kaoumi, Djamel [4 ]
Scully, John R. [3 ]
Hosemann, Peter [2 ,5 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Nucl Sci & Technol, Xian 710049, Peoples R China
[2] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA
[3] Univ Virginia, Ctr Electrochem Sci & Engn, Dept Mat Sci & Engn, Charlottesville, VA 22904 USA
[4] North Carolina State Univ, Dept Nucl Engn, Raleigh, NC 27607 USA
[5] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
来源：
JOURNAL OF NUCLEAR MATERIALS | 2025年 / 606卷
关键词：
Molten salt; 316L stainless steel; Cold forging; High-temperature corrosion; MECHANICAL-PROPERTIES; CRACKING BEHAVIOR; PRIMARY WATER; ALLOY; 690; WORK;
D O I：
10.1016/j.jnucmat.2025.155624
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of cold forging on the microstructure and corrosion behavior of 316L stainless steel (SS) in molten salt was investigated. Static corrosion experiments were performed in FLiNaK (LiF-NaF-KF: 46.5-11.5-42 mol.%) at 600 degrees C for 50 h in a glove box. The results show that cold forging gives rise to enhanced corrosion of 316L SS in molten fluoride salt due to the increase of crystallographic defects. Based on the potentiodynamic polarization results, the corrosion current density of 50 % cold-forged 316L SS is about 2.1 times larger than that of the as- received 316L SS in molten FLiNaK salt at 600 degrees C.
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页数：10
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