INFLUENCE OF IMPURITIES ON THE OXIDATION OF FE-26CR ALLOYS,
NATIONAL RESEARCH COUNCIL OF CANADA OTTAWA (ONTARIO) DIV OF APPLIED CHEMISTRY
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The report describes the high-temperature oxidation behaviour of three vacuum-melted alloys and one commercial steel. The results indicate that manganese is a deleterious additive to FeCr alloys from the point of view of high-temperature oxidation. The addition of 0.5 per cent silicon does not improve oxidation resistance. It would appear that the investigation of the pure alloys is not only useful for elucidation of the oxidation mechanisms but may also lead to the development of materials with higher oxidation resistance. This investigation indicates that the pure binary alloy is the most oxidation resistant.