@article{oai:ynu.repo.nii.ac.jp:00008546, author = {Kawata, Hiroyuki and Umezawa, Osamu}, issue = {7}, journal = {ISIJ International}, month = {Jul}, pages = {1282--1288}, title = {Two Step Ductile to Brittle Transition Behavior on Ferrite + Pearlite Structure Steel Sheet}, volume = {57}, year = {2017} }