Abstract
We study the structure and composition of scales formed during the contact of Fe–13Cr–2Motype ferritic steels hardened with oxides TiO2 and Y2O3 with oxygen-containing (10−3 mass% O) lead melt at 550°C for 1000 h. It is established that a Fe3 O4 – Fe (Fe1 − x , Cr x )2 O4 two-layer scale forms. Its upper layer (Fe3 O4) grows in the direction of the melt, and the internal layer (Fe (Fe1 – x , Cr x )2 O4) grows in the direction to the matrix. Oxide particles favor an increase in the porosity of the internal sublayer of the scale.
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