新一代马氏体耐热钢G115的研究进展
何焕生, 余黎明, 刘晨曦, 李会军, 高秋志, 刘永长

Research Progress of a Novel Martensitic Heat-Resistant Steel G115
HE Huansheng, YU Liming, LIU Chenxi, LI Huijun, GAO Qiuzhi, LIU Yongchang
图3 G115钢回火态中富Cu相形貌和组成
(a) high angle annular dark field (HAADF)-STEM image
(b) bright field TEM image (Inset in Fig.3b shows the selected area electron diffraction (SAED) pattern of Cu-rich particle)
(c) EDS element maps of Fig.3a (d, e) EDS results of Cu-rich particles before (d) and after (e) aging for 2000 h at 650oC
Fig.3 Morphologies and components of Cu-rich phase in initial state for G115 steel