ばね鋼の疲労き裂伝搬特性について
Fatigue Crack Propagation of Spring Steels

Hiroshi KOYAMA, Roh KITAMURA, Akira TANGE
1984 Transactions of Japan Society of Spring Engineers  
doi:10.5346/trbane.1984.30 fatcat:enqmaxoqw5b67brkzazjsgbele