Fig. 1. Schematic diagram of experimental apparatus

Fig. 2. Schematic cross-section diagram of the heating platform 1-Specimen, 2-Heating rod, 3-High temperature resistant insulation layer, 4-Spring, 5-Copper sleeve, 6-Copper heat transfer section, 7-External insulation

Fig. 3. Microscopic photograph of three micro-structure test specimens

Fig. 4. Results of the pool boiling experiment of copper specimens compared with models

Fig. 5. CHF results of different micro-structure surface samples varies with corrosion time

Fig. 6. Surface characteristics of smooth SS specimen before and after corrosion

Fig. 7. Corrosion damage to the surface micro-structure of SS specimens (a) Surface morphology of micro-column specimens with different corrosion times, (b) Schematic diagram of corrosion damage to the surface of micro-structure specimens

Fig. 8. Visualization results of SS sample pool boiling experiment(a) Non-corroded non-micro-structure specimen, (b) Non-corroded micro-porous specimen, (c) Non-corroded micro-groove specimen, (d) Non-corroded Micro-columns Specimen, (e) Corroded 100-d micro-porous specimen, (f) Corroded 100-d micro-groove specimen, (g) Corroded 100-d micro-columns specimen