Performance of the new ferritic/martensitic steel SIMP against liquid lead‐bismuth eutectic corrosion: Comparison with T91 and 316L steels

Ma, Zhongting; Shen, Tielong; Zhou, Ting

doi:10.1002/maco.202213372

Cited by 14 publications

(2 citation statements)

References 35 publications

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“…Even if the thin layer is denser, it still changes the composition and morphology of the material surface, thus changing its mechanical properties [46]. Three materials316L, SIMP steel, and T91were selected for the experiments in oxygensaturated liquid LBE [59]. According to the results, T91 steel has the most serious corrosion, 316L steel has the best corrosion resistance, and SIMP steel is in between the two materials.…”

Section: Corrosion By Oxidationmentioning

confidence: 99%

“…Austenitic stainless steel 316L can effectively slow down oxidation because it contains more Cr, which forms denser Fe-Cr spinel in oxygen-saturated liquid LBE. SIMP steel has a higher Si content, so it is more resistant to oxidation, and its internal oxide layer is denser than that of T91, protecting against the spread of O and Fe ions [59].…”

Section: Corrosion By Oxidationmentioning

confidence: 99%

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A Review of Corrosion Behavior of Structural Steel in Liquid Lead–Bismuth Eutectic

et al. 2023

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Liquid lead–bismuth eutectic alloy is one of the candidate coolants for fourth-generation nuclear power systems because of its good physical and chemical properties, neutron economic performance, and safety. However, the compatibility between the coolant and structural steel is still the main factor restricting its large-scale industrial application in the nuclear energy field. Structural steel in a liquid lead–bismuth eutectic alloy for a long time would cause severe corrosion. The erosion of structural steel by high-flow-rate liquid lead–bismuth alloy will lead to a more complex corrosion process. This paper mainly reviews the corrosion characteristics of liquid lead–bismuth and the corrosion behavior of structural steel in liquid lead-bismuth eutectic. The main methods of inhibiting liquid lead–bismuth corrosion are summarized, and future research directions are suggested.

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Section: Corrosion By Oxidationmentioning

confidence: 99%

Section: Corrosion By Oxidationmentioning

confidence: 99%

A Review of Corrosion Behavior of Structural Steel in Liquid Lead–Bismuth Eutectic

et al. 2023

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The effects of Si‐ion implantation and preoxidation on the corrosion behavior of a new steel SIMP in 550∘C ${\bf{55}}{{\bf{0}}}^{\circ }{\bf{C}}$ lead‐bismuth eutectic

Shen

et al. 2023

Materials & Corrosion

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To improve the corrosion resistance of SIMP steel, we have investigated Si‐ion implantation and preoxidation effects on the corrosion behavior of SIMP steel samples, which have been in stagnant lead‐bismuth eutectic (LBE) with saturated oxygen at C for 1000 h. It was found that increasing Si content on the surface did not improve corrosion resistance performance. By contrast, the preoxidized sample demonstrated high resistance to LBE corrosion due to the presence of a thin Cr‐enriched oxide layer.

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Evaluating the dissolution corrosion resistance of Hastelloy exposed to liquid lead‐bismuth eutectic at 500°C

Shi,

Huang,

Chen

et al. 2024

Materials & Corrosion

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The present study investigated the dissolution and oxidation corrosion behaviors of Hastelloy exposed to static liquid lead‐bismuth eutectic (LBE) at 500°C with an oxygen concentration of 1 × 10−6 mass%. Hastelloy exhibited better LBE corrosion resistance than the Monel alloy. Both dissolution and oxidation corrosion were observed in Hastelloy, and the maximum LBE penetration depth and spinel layer thickness in the corroded sample after 4000 h of exposure reached 120 ± 36 and 21 ± 12 µm, respectively. Annealing twin boundaries provided favorable paths of accelerated LBE penetration into the matrix, resulting in selective leaching of Ni. Microstructural characterization revealed that the spinel layer formed between penetrated LBE and base metal slowed down the elemental interdiffusion, thereby retarding the dissolution rate. Volumetric changes induced by LBE penetration promoted the formation of stacking faults and dislocations, which could provide more channels for elemental diffusion, leading to the propagation of dissolution attack.

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Performance of the new ferritic/martensitic steel SIMP against liquid lead‐bismuth eutectic corrosion: Comparison with T91 and 316L steels

Cited by 14 publications

References 35 publications

A Review of Corrosion Behavior of Structural Steel in Liquid Lead–Bismuth Eutectic

A Review of Corrosion Behavior of Structural Steel in Liquid Lead–Bismuth Eutectic

The effects of Si‐ion implantation and preoxidation on the corrosion behavior of a new steel SIMP in 550∘C ${\bf{55}}{{\bf{0}}}^{\circ }{\bf{C}}$ lead‐bismuth eutectic

Evaluating the dissolution corrosion resistance of Hastelloy exposed to liquid lead‐bismuth eutectic at 500°C

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