About LYU D Y
About Chonju Technical Junior Coll., Chonju, KOR
About YOU H S
About Chonbuk Natioanl Univ., Chonju, KOR
About JUNG H D
About Research Inst. Industrial Science & Technology, Pohang, KOR
About LIM J K
About Chonbuk Natioanl Univ., Chonju, KOR
About CHUNG S H
About Chonbuk Natioanl Univ., Chonju, KOR
About Key Engineering Materials
About ductile-brittle transition
About Weld zone
About Material testing
About パンチ
About 試験
About 鋼
About 溶接部
About 破断強度
About 評価