About MURAMATSU NAOKUNI
About 日本碍子
About KIMURA HISAMICHI
About 東北大 金属材料研
About INOUE AKIHISA
About copper base alloy
About zirconium additive alloy
About wire rod
About castings
About electrical conductivity
About cast structure
About alpha phase
About eutectic
About intermetallic compound
About wire drawing
About phase transformation
About tensile strength
About machining ratio
About mechanical property
About strength
About Mechanical properties
About Transformation structures,work structures
About 高導電性
About Cu
About 線材
About ミクロ組織
About 機械的性質