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- Title
Microstructural Characterisation of Austenitic Heat Resistant Sanicro 25 Steel after Steam Oxidation.
- Authors
Rutkowski, Bogdan
- Abstract
Microstructural and morphological observations of the surface scale on a high Cr and Ni austenitic heat resistant steel oxidised in water vapour at 700 °C are reported. Analysis of microstructure was carried out by analytical techniques of transmission- and scanning electron microscopy. Investigation of M23C6 nucleated at the interface between matrix and the Z-phase precipitates after exposing to high temperature showed semicoherency between M23C6 and the matrix and no coherency with the Z-phase. Plates developed on the oxide scale surface consist of Cr2O3 crystals separated by amorphous SiO2.
- Subjects
HEAT resistant steel; SCANNING electron microscopy techniques; STEEL; WATER vapor; HEAT; OXIDATION; INTERFACES (Physical sciences)
- Publication
Materials (1996-1944), 2020, Vol 13, Issue 15, p3382
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma13153382