镁合金抗高温氧化机理研究进展

沈朝, 王志鹏, 胡波, 李德江, 曾小勤, 丁文江

Research Progress on the Mechanisms Controlling High-Temperature Oxidation Resistance of Mg Alloys

SHEN Zhao, WANG Zhipeng, HU Bo, LI Dejiang, ZENG Xiaoqin, DING Wenjiang

图6 Fe-9Cr铁素体-马氏体(F-M)钢在600℃水蒸气中氧化100 h后的内氧化层-基体界面周围的形态和化学成分分布[88]

Fig.6 Morphology and chemical composition distributions around the internal oxide layer-matrix interface of Fe-9Cr ferritic-martensitic (F-M) steel after exposure to 600oC steam for 100 h[88] (HAADF—high-angle annular dark-field, EELS—electron energy loss spectroscopy) (a) HAADF image showing the morphology around the internal oxide layer-matrix interface (b) qualitative EELS chemical composition mapping showing the distribution of O, Cr, and Fe (c, d) qualitative (c) and quantitative (d) EELS line profiles showing the distribution of O, Cr, and Fe