About MATSUDA F
About Osaka Univ.
About NAKATA K
About Osaka Univ.
About TOHMOTO K
About Osaka Univ.
About Transactions of JWRI (Joining and Welding Research Institute of Osaka University)
About boriding
About Surface hardening
About 合金
About ほう素化合物
About 法
About 表面硬化