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Comparison of the Oxidation Rates of Some New Copper Alloys

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Abstract

Copper alloys were studied for oxidation resistance and mechanisms between 550 and 700°C, in reduced-oxygen environments expected in rocket engines, and their oxidation behaviors compared to that of pure copper. They included two dispersion-strengthened alloys (precipitation-strengthened and oxide-dispersion strengthened, respectively) and one solution-strengthened alloy. In all cases the main reaction was oxidation of Cu into Cu2O and CuO. The dispersion-strengthened alloys were superior to both Cu and the solution-strengthened alloy in oxidation resistance. However, factors retarding oxidation rates seemed to be different for the two dispersion-strengthened alloys.

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Authors and Affiliations

  1. QSS Group, NASA Glenn Research Center, Cleveland, Ohio, 44135

    L. Ogbuji & D.L. Humphrey

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  1. L. Ogbuji
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  2. D.L. Humphrey
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Ogbuji, L., Humphrey, D. Comparison of the Oxidation Rates of Some New Copper Alloys. Oxidation of Metals 60, 271–291 (2003). https://doi.org/10.1023/A:1026019202691

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