Martensitic transformation in an intergranular corrosion area of austenitic stainless steel during thermal cycling
作者： Alexandre La Fontaine , Hung-Wei Yen , Patrick Trimby , Steven Moody , Sarah Miller
DOI: 10.1016/J.CORSCI.2014.04.048
关键词:
摘要: Abstract An oxidation-assisted martensitic phase transformation was observed in an austenitic stainless steel after thermal cycling up to 970 °C air a solar steam reformer. The intergranular corrosion areas were investigated by electron backscatter diffraction (EBSD), transmission Kikuchi (TKD) and microscopy (TEM). structural-and-chemical maps revealed that within this primarily occurs oxidation-induced chromium-depleted zones, rather than due only sensitization. This displacive may also play significant role the rate at which takes place.
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