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A high-temperature oxidation-resistant Fe-Mn-Al-Si alloy

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Abstract

To develop satisfactory alloys without Cr or Ni for high-temperature application up to 1100†C, three alloys based on Fe-10%Al-Si with differing fourth (or fifth) element additions were oxidized in air at 1100°Cfor 24 hr. A low carbon, Fe-30Mn-10Al-Si alloy exhibited excellent high-temperature oxidation resistance. The total weight gain for 24 hr oxidation in air at 1100°C was only 1.03 mg/cm 2. After air oxidation for 6 days at 1100°C, no nodule formation or breakthrough oxidation occurred. Post-oxidation SEM and EDAX examination showed that a thin, compact, protective alumina scale formed on the alloy.

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Visiting Scientist (People's Republic of China).

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Wang, R., Straszheim, M.J. & Rapp, R.A. A high-temperature oxidation-resistant Fe-Mn-Al-Si alloy. Oxid Met 21, 71–79 (1984). https://doi.org/10.1007/BF00659468

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