Abstract

Novel Al-added high-Mn oxide dispersion-strengthened (ODS) austenitic steels dispersed with YAlO3 type oxide particles were developed. The corrosion behavior of ODS steels was investigated in oxygen-saturated lead–bismuth eutectic (LBE) at 450 °C for 430 h. Compared with arc-melted non-ODS steels, ODS steels possessed superior corrosion resistance, which is attributed to a continuous Al-rich oxide layer that can be formed in the ODS steels. The detailed corrosion behavior of ODS steels is discussed in comparison to non-ODS steels.

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