Microstructural Characterisation of Austenitic Heat Resistant Sanicro 25 Steel after Steam Oxidation

被引：2
|
作者：
Rutkowski, Bogdan [1 ]
机构：
[1] AGH Univ Sci & Technol, Fac Met Engn & Ind Comp Sci, Al A Mickiewicza 30, PL-30059 Krakow, Poland
来源：
MATERIALS | 2020年 / 13卷 / 15期
关键词：
steam oxidation; HRSTEM; steel; SEM; PHASE; PRECIPITATION; DISSOLUTION; BEHAVIOR;
D O I：
10.3390/ma13153382
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Microstructural and morphological observations of the surface scale on a high Cr and Ni austenitic heat resistant steel oxidised in water vapour at 700 degrees C are reported. Analysis of microstructure was carried out by analytical techniques of transmission- and scanning electron microscopy. Investigation of M(23)C(6)nucleated at the interface between matrix and the Z-phase precipitates after exposing to high temperature showed semicoherency between M(23)C(6)and the matrix and no coherency with the Z-phase. Plates developed on the oxide scale surface consist of Cr(2)O(3)crystals separated by amorphous SiO2.
引用
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页码：1 / 9
页数：9
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