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Corrosion behavior of ZrN coated ferritic/martensitic steel in liquid lead-bismuth eutectic
The corrosion resistance of the ZrN coating deposited on ferritic/martensitic (F/M) steel by the magnetron sputtering method was investigated in static liquid lead–bismuth eutectic (LBE) at 450 ∼ 650 °C. After LBE corrosion test, although ZrN was oxidized to form ZrO2, no spallation, dissolution attack and liquid Pb/Bi penetration occurred in the coating. The results indicate that oxidized coatings still have good adhesion and could protect the F/M steels substrates from LBE corrosion. However, several microscopic cracks and voids inside the coating were observed, which was related to the volume expansion induced by Pilling-Bedworth ratio (PBR) effect and phase transformation. Further, the microscopic corrosion mechanism of the coating was discussed.
Corrosion behavior of ZrN coated ferritic/martensitic steel in liquid lead-bismuth eutectic
The corrosion resistance of the ZrN coating deposited on ferritic/martensitic (F/M) steel by the magnetron sputtering method was investigated in static liquid lead–bismuth eutectic (LBE) at 450 ∼ 650 °C. After LBE corrosion test, although ZrN was oxidized to form ZrO2, no spallation, dissolution attack and liquid Pb/Bi penetration occurred in the coating. The results indicate that oxidized coatings still have good adhesion and could protect the F/M steels substrates from LBE corrosion. However, several microscopic cracks and voids inside the coating were observed, which was related to the volume expansion induced by Pilling-Bedworth ratio (PBR) effect and phase transformation. Further, the microscopic corrosion mechanism of the coating was discussed.
Corrosion behavior of ZrN coated ferritic/martensitic steel in liquid lead-bismuth eutectic
Changda Zhu (author) / Guiliang Liu (author) / Baohua Yu (author) / Qingsong Chen (author) / Wei Zhang (author) / Jian Yang (author) / Jiuguo Deng (author) / Yilong Zhong (author) / Ning Liu (author) / Jijun Yang (author)
2023
Article (Journal)
Electronic Resource
Unknown
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