About OBA TAKUYA
About 島根大 総合理工
About OBA TAKUYA
About 島根大 産学連携セ
About edged tools
About reduced iron
About forging
About metal structure (microstructure)
About ferrite
About pearlite
About martensite
About functional gradient material
About work hardening
About Japanese sword
About organization
About Transformation structures,work structures
About Forgings
About たたら製鉄
About 日本
About ナノテクノロジー