Pingping LIU, Xin ZHONG, Le ZHANG, Hong LI, Yaran NIU, Xiangyu ZHANG, Qilian LI, Xuebin ZHENG. Molten Salt Corrosion Behaviors and Mechanisms of Ytterbium Silicate Environmental Barrier Coating[J]. Journal of Inorganic Materials, 2022, 37(12): 1267
- Journal of Inorganic Materials
- Vol. 37, Issue 12, 1267 (2022)
. XRD patterns and SEM morphologies of as-sprayed Yb2SiO5/Yb2Si2O7/Si coating
. Macro-photographs of Yb2SiO5/Yb2Si2O7/Si coating after molten salt corrosion for different time
. XRD patterns of Yb2SiO5/Yb2Si2O7/Si coating after molten salt corrosion for different time
. Surface morphologies of Yb2SiO5/Yb2Si2O7/Si coating after molten salt corrosion for different time and correponding EDS analyses of different areas
. Cross-sectional morphologies and corresponding element analyses of Yb2SiO5 top layer after molten salt corrosion for different time
. Cross-sectional morphologies and corresponding EDS element mappings of Yb2SiO5/Yb2Si2O7/Si EBCs after molten salt corrosion for different time
. High-magnification cross-sectional morphologies and corresponding EDS mappings of infiltration zone in Yb2Si2O7 interlayer after molten salt corrosion for different time
. Schematic diagrams of Yb2SiO5/Yb2Si2O7/Si coating under Na2SO4+25% NaCl molten salt corrosion at 900 ℃
. EPR spectra of Yb2SiO5 and Yb2Si2O7 coating
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Table 1. Operating parameters used for vacuum plasma spraying
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Table 2. EDS elemental compositions of the marked regions in Fig. 7 /%(in atom)
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