Effect of Discharge Duration and Pulse Frequency on Surface Characteristics Using Whirling Electrical Discharge Texturing. - Vitchuda Lertphokanont; Masahiro Oi; Takayuki Sato; Minoru Ota; Kai Egashira; Keishi Yamaguchi; Masayoshi Yamada; Yasuo Tomita (Int. J. Autom. Technol., 2014)