莱氏体

a  2680X                                                                                                      b  2680X 

c  2680X                                                                                                      d  2680X 

e  2680X                                                                                                      f  2680X 

图  ZGMn13钢铸态在透射电子显微镜下不同视场下呈现的组织形态：托氏体

(细层片状)+针状碳化物+莱氏体(白色基体上分布着条状珠光体)