Abstract
The oxidation of chromium and chromium based alloys with yttria additions of 0.5 to 4 wt.%, processed by mechanical alloying, was investigated. Additionally, the effect of milling time on the oxidation behavior was examined. The samples were oxidized at 950°C in air. Weight changes, optical microscopy and SEM were utilized to characterize the oxidation behavior. Although it appeared that the presence of yttria reduced the oxidation rates significantly, the exact concentration of yttria was far less essential for the oxidation properties than the yttria distribution.Therefore the oxidation resistance of ODS (oxide dispersion strengthened) alloys strongly depends on the exact manufacturing process.
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Received: 24 June 1996 / Revised: 18 December 1996 / Accepted: 21 December 1996
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v. d. Crone, U., Hänsel, M., Quadakkers, W. et al. Oxidation behavior of mechanically alloyed chromium based alloys. Fresenius J Anal Chem 358, 230–232 (1997). https://doi.org/10.1007/s002160050391
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DOI: https://doi.org/10.1007/s002160050391