模压变形中国低活化马氏体钢沉淀相对其力学性能的影响

薛克敏, 盛杰, 严思梁, 田文春, 李萍

Influence of Precipitation of China Low Activation Martensitic Steel on Its Mechanical Properties After Groove Pressing

XUE Kemin, SHENG Jie, YAN Siliang, TIAN Wenchun, LI Ping

图2 一道次模压变形CLAM钢晶界和晶内处沉淀相的TEM分析
(a) TEM image of M₂₃C₆ phase at the grain boundary and insets show the HRTEM image and fast Fourier transformation (d_hkl—interplanar spacing)
(b) line scan of M₂₃C₆ phase alone the arrow in Fig.2a
(c) TEM image and corresponding SAED pattern (inset) of M₂₃C₆ (showed by arrow) at the grain boundary
(d) TEM image and corresponding SAED pattern (inset) of intergranular MX in the circle

Fig.2 TEM analyses of the precipitated phase of CLAM steel subjected to one pass constrained groove pressing at the grain boundary (a-c) and intergranular MX (d)