作者: Alexandre La Fontaine , Hung-Wei Yen , Peter J. Felfer , Simon P. Ringer , Julie M. Cairney
DOI: 10.1016/J.SCRIPTAMAT.2014.09.028
关键词: Materials science 、 Intergranular corrosion 、 Atom probe 、 Spinel 、 Chromite 、 Grain boundary 、 Austenitic stainless steel 、 Corrosion 、 Silicate 、 Metallurgy
摘要: Atom probe microscopy has been used to study the inhomogeneous nature of chromium oxide spinels in intergranular corrosion a 253 MA austenitic stainless steel after thermal cycling up 970 °C air. The results indicate that non-continuous character spinel layers originates from nanoscale phases such as iron-rich oxides along chromite grain boundaries and silicate particles. Their role rate is discussed.