About ICHIKI Ryuta
About NAGAMATSU Hirokazu
About YASUMATSU Yuta
About IWAO Tadasuke
About AKAMINE Shuichi
About KANAZAWA Seiji
About Materials Letters
About plasma
About plasma jet
About ion nitriding
About tool steel
About high alloy steel
About medium carbon alloy steel
About nitrided layer
About phase constitution
About diffusion layer
About surface hardening (surface treatment)
About AISI H13
About SKD61
About arc plasma
About modification
About Surface hardening
About 常圧
About スプレー
About 鋼
About 窒化