Abstract
To apply the rapid solidification method to the production of FeCrAl alloy foils for use in the substrate of catalytic converters in automobile exhaust systems, the oxidation behavior of FeCrAlSiLa (Cr, 20–29; Al, 5–10; Si, 0–4; La, 0.03–0.2 (mass%)) alloy ribbons produced by a single-roller method was studied. Rapidly solidified ribbons had better oxidation resistance than that for conventionally rolled foils with a smaller La addition. Increasing the Cr or Al content improved the oxidation resistance of the ribbons, while increasing the Si content did not cause any improvement.
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