Fig. 7: Surface alteration and microstructure evolution of the LuPO4 after steam corrosion. | npj Materials Degradation

Fig. 7: Surface alteration and microstructure evolution of the LuPO4 after steam corrosion.

From: High temperature steam corrosion of LuPO4 and high-entropy rare earth phosphates in the presence of Al(OH)3 and Si(OH)4 impurities

Fig. 7

SEM images taken at the top surface of the LuPO4 sample post vapor corrosion at 1400 °C for 60 h: a a lower magnification and b a higher magnification image of corroded region (inset is an image of the pristine surface), c a high-resolution image of newly formed microstructure. d SEM image of the cross-section of the coupon post vapor corrosion. e SEM image and EDS maps of the top surface of the sample post-vapor corrosion. f A high-resolution SEM image and EDS maps of the cross-section of the coupon post-vapor corrosion.

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