| 초록 |
Present, few studies have been conducted on the degradation of organic coatings under harsh environments and accidental events. To simulate the conditions produced by an explosion, specimens were subjected to surface temperatures of 100, 200, 300, 400, and 500 °C for 10 s through direct exposure to heat. Surface changes to the post exposure fluorine coats were characterized using FT-IR, SEM, Nanoindentation, Gloss retention, Color differentiation, 3D-laser microscopy,TGA and EIS. surface changes began to occur at 300 °C and detachment of the bulk coating occurred at 400 °C or higher.It is expected that this study will serve as a basic data for evaluating the condition of materials and predicting their life after direct exposure to direct heat source. (Research grant from the KEIT, 20010566) |
