About IIZUKA EIJI
About JFEスチール, スチール研究所
About URABE MASAKI
About JFEスチール, スチール研究所
About YAMASAKI YUJI
About JFEスチール, スチール研究所
About INAZUMI TOORU
About JFEスチール, スチール研究所
About steel plate
About formability
About gradient
About blanking
About punch
About flanging
About tensile test
About ratio
About strain
About yield ratio
About principal strain
About stretch-flangeability
About thin steel plate
About Finite Element Analysis
About strain gradient
About bore expansion
About hole expansion forming
About Mechanical properties
About Press working
About 薄鋼板
About 伸びフランジ
About 限界
About ひずみ勾配