About SHIRASUNA YOSHIO
About NOZUE AKIRA
About OKUBO TADATSUNE
About KURIBAYASHI KAZUHIKO
About ISHIMOTO SEIJI
About 日産自動車
About SATO HIROSHI
About 日産自動車
About YOSHIOKA YASUO
About weld zone
About substructure(microstructure)
About Structural hardening phenomena
About Weld zone
About X線回折法
About Ti
About 溶接材
About 時効硬化挙動