Journal of Northeastern University(Natural Science)
Microstructure and Mechanical Properties of 40Cr Steel Plate with Differential Properties in Thickness Direction
CHEN Qing-an， LIU Xiang-hua
Journal of Northeastern University Natural Science . 2015, (2): 204 -207 .  DOI: 10.12068/j.issn.1005-3026.2015.02.011