Experimental study on corrosion-erosion behavior of ITER blanket structure materials in flowing Pb-17Li

Jiang, Haiyan; Lu, Weidong; Chen, Zhipeng; Chu, Delin; Han, Jiajia; Huang, Yan; Wu, Yucheng

doi:10.1016/j.fusengdes.2020.111596

Cited by 5 publications

(1 citation statement)

References 27 publications

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“…M. Kondo et al 4 conducted FAC tests in a pool of Pb-Li alloy melt by rotating an impeller inside the pool, and L. Martinelli et al 5 performed a corrosion experiment at various velocities by rotating a cylindrical specimen. Furthermore, the method of spinning a disk to obtain flow velocity was proposed by E. P. Loewen et al, 6 C. Park et al 7 and G. Chen et al; 8 subsequently, H. Jiang et al 9 conducted an experiment in which the effects of various flow velocities were investigated with a single experiment by placing specimens in a disktype specimen holder and rotating it.…”

Section: Introductionmentioning

confidence: 99%

Flow Accelerated Corrosion of Stainless Steel 316L by a Rotating Disk in Lead-Bismuth Eutectic Melt

Choi

Hwang

Lee

2021

JOM

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Stainless steel 316L specimens were snug fitted into a rotating disk submerged in molten LBE and subjected to spatially varying local flow velocity along the radial position. The specimens experienced LBE flow velocity from 0.50 m/s to 3.14 m/s depending on their radial location. The test was conducted at 600°C with an oxygen concentration of 2.87 9 10 À8 wt% for 150 h. Resulting microstructural characteristics of the corroded zone were found to be sensitively affected by local flow velocity and were categorized into four regimes. For linear disk velocity > 2.0 m/s, the affected zone thickness became increasingly less sensitive to flow velocity as the overall reaction became reaction rate controlled. At the velocity of $ 3.0 m/s, erosion-corrosion started to take place. The flow effect on the affected zone thickness (l) agreed with the model based on the disk velocity (v) effect on the mass transfer of a rotating disk as 1 l $ v À0:792 .

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