超音速微粒轰击诱导表面纳米化对300M钢腐蚀疲劳行为的影响

熊毅, 栾泽伟, 马云飞, 厉勇, 查小琴

Effect of Surface Nanocrystallization Induced by Supersonic Fine Particles Bombardment on Corrosion Fatigue Behavior of 300M Steel

XIONG Yi, LUAN Zewei, MA Yunfei, LI Yong, ZHA Xiaoqin

图3 SFPB处理的300M钢腐蚀疲劳前表层和次表层微观组织形貌的TEM像

Fig.3 TEM images of SFPB-treated 300M steel before corrosion fatigue (a, b) uppermost surface layers (Inset in Fig.4a shows the selected area electron diffraction (SAED) pattern, and inset in Fig.4b shows the grain size distribution histogram calculated by Nano Measurer software) (c, d) subsurface layers