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The oxidation behavior of three Fe–Si alloys containing approximately 5, 9 and 13 at.% Si has been studied at 600–800 °C under 1 atm O2. Fe–5Si and Fe–9Si followed multi-stage parabolic kinetics, while Fe–13Si showed more complex kinetics at all temperatures. The increase in Si content resulted in a transition from the internal oxidation of Si beneath an external scale of iron oxides to the exclusive...
Oxidation of five Cu–Zn alloys at 1,073 K in 0.1 MPa O2 showed the existence of three possible oxidation modes, including the internal oxidation of zinc beneath external CuOx scales, the growth of mixtures of the two oxides and the exclusive growth of external ZnO scales. The critical Zn contents required for the transitions between these oxidation modes have been calculated and compared with the...
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