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JAEA Reports

Corrosion behavior of austenitic and ferritic/martensitic steels in oxygen-saturated liquid Pb-Bi eutectic at 450$$^{circ}$$C and 550$$^{circ}$$C

Kurata, Yuji; Futakawa, Masatoshi; Saito, Shigeru

JAERI-Research 2005-002, 37 Pages, 2005/02

JAERI-Research-2005-002.pdf:20.04MB

Static corrosion tests of various austenitic and ferritic/martensitic steels were conducted in oxygen-saturated liquid Pb-Bi at 450$$^{circ}$$C and 550$$^{circ}$$C for 3000h to study the effects of temperature and alloying elements on corrosion behavior. Oxidation, grain boundary corrosion, dissolution and penetration were observed. The corrosion depth decreases at 450$$^{circ}$$C with increasing Cr content in steels regardless of ferritic/martensitic or austenitic steels. Appreciable dissolution of Ni and Cr does not occur in the three austenitic steels at 450$$^{circ}$$C. The corrosion depth of ferritic/martensitic steels also decreases at 550$$^{circ}$$C with increasing Cr content whereas the corrosion depth of austenitic steels, JPCA and 316ss becomes larger due to ferritization caused by dissolution of Ni at 550$$^{circ}$$C than that of ferritic/martensitic steels. An austenitic stainless steel containing about 5%Si exhibits fine corrosion resistance at 550$$^{circ}$$C because the protective Si oxide film is formed and prevents dissolution of Ni and Cr.

Journal Articles

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

Kurata, Yuji; Futakawa, Masatoshi

Journal of Nuclear Materials, 325(2-3), p.217 - 222, 2004/09

https://doi.org/10.1016/j.jnucmat.2003.12.009
 Times Cited Count：37 Percentile：89.67(Materials Science, Multidisciplinary)

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.

Journal Articles

Corrosion studies in liquid Pb-Bi alloy at JAERI; R&D program and first experimental results

Kurata, Yuji; Futakawa, Masatoshi; Kikuchi, Kenji; Saito, Shigeru; Osugi, Toshitaka

Journal of Nuclear Materials, 301(1), p.28 - 34, 2002/02

https://doi.org/10.1016/S0022-3115(01)00720-6
 Times Cited Count：52 Percentile：93.86(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Measurement of HTO permeability parameters of materials for protective appliances

Yokoyama, Sumi; Noguchi, Hiroshi; Kinouchi, Nobuyuki; Yamamoto, Hideaki; Kato, Shohei; *; *

Hoken Butsuri, 34(1), p.57 - 66, 1999/00

https://doi.org/10.5453/jhps.34.57

no abstracts in English

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