Excellent corrosion resistance of 18Cr-20Ni-5Si steel in liquid Pb-Bi

Kurata, Yuji; Futakawa, Masatoshi

The corrosion properties of three austenitic steels with different Si contents were studied under oxygen-saturated liquid Pb-Bi condition for 3000h. The three austenitic steels did not exhibit appreciable dissolution of Ni and Cr at 450 $^{circ}$ C. At 550 $^{circ}$ C, the thick ferrite layer produced by dissolution of Ni and Cr was found in JPCA and 316ss with low Si contents while the protective oxide film composed of Si and O was formed on 18Cr-20Ni-5Si steel and prevented dissolution of Ni and Cr. It was found that the Si added austenitic steel exhibited excellent corrosion resistance in liquid Pb-Bi.

Language	:	English
Journal	:	Journal of Nuclear Materials
Volume	:	325
Number	:	2-3
Pages	:	p.217 - 222
Publication Year/Month	:	2004/09
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Paper URL	:	https://doi.org/10.1016/j.jnucmat.2003.12.009
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Keywords	:	Corrosion; Pb-Bi; Accelerator Driven System; Spallation Target; Austenitic Stainless Steel; 18Cr-20Ni-5Si Steel; Protective Film
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InCites™	:	Percentile:89.67 Category:Materials Science, Multidisciplinary
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Registration No. : A20030514
JAEA Abstracts No. : 320181
Paper Submission No. : 20704

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