[P] P13~P23

[P22] Discrimination of Copper Molten Marks Using Microstructure Features

*Joo-Hee KANG¹, Jinyoung PARK², Jiwon PARK¹, Sun　Bae BANG² (1. Korea Institute of Materials Science、2. Korea Electrical Safety Corporation Research Institute)

Keywords:copper wire、molten mark、primary arc bead、secondary arc bead、electron backscatter diffraction、machine learning、fire reproduction experiment

Discriminant equations and processes that can distinguish the primary and secondary arc beads were derived using the molten marks generated in the laboratory and reproduction experiments.