Abstract
The effect of small quantities of water vapour on the oxidation of low-alloy steels in C02–5% CO at 200 psi and at 500° and 550° has been studied. The steels have possible application in the advanced gas-cooled reactor. Almost all the steels exhibited higher oxidation rates at the higher moisture contents. At intermediate moisture contents, edge attack on the specimens was found to contribute up to 70% of the total weight gain. Nominally similar steels showed marked differences in oxidation resistance and cerium additions to steels were found to improve their oxidation resistance.
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