17:15 〜 19:15 [O08-P09] Morphological Change of Metal Dendrite by Addition of Surfactants: Analysis on Fractal Dimension, Branch Length and Branch Angle ★Invited Papers *中村 友哉1、伊藤 弘明2、北畑 裕之2 (1.千葉大院融合理工、2.千葉大院理)