"Hardness and microstructure of interstitial free steels in the early stage of high-pressure torsion"
Author Yuepeng Song, Wenke Wang, Dongsheng Gao, Eun Yoo Yoon, Dong Jun Lee, Chong Soo Lee, Hyoung Seop Kim
Publisher Journal of Materials Science, 48, 4698-4704 (2013)