About TAKAHASHI YUZO
About 新日本製鐵(株)技術開発本部大分技術研究部
About KAWANO OSAMU
About 新日本製鐵(株)技術開発本部大分技術研究部
About TANAKA YOICHI
About 新日本製鐵(株)大分製鐵所生産技術部
About OHARA MASAHIRO
About (株)日鐵テクノリサーチ
About USHIODA KOSAKU
About 新日本製鐵(株)技術開発本部
About high strength steel
About hot rolled steel plate
About formability
About flanging
About blanking
About crack propagation
About crack resistance
About crack initiation
About fracture mechanics
About stretch-flangeability
About hole expansion forming
About blanking
About crack resistance
About Metallic materials
About Press working
About 破壊力学
About 高強度熱延鋼板
About 打ち抜き
About 穴広げ
About 要因