G20Mn5N铸钢件微细观孔洞三维特征及形态演化
闫华东,靳慧()
Three-Dimensional Characteristics and Morphological Evolution of Micro/Meso Pores inG20Mn5N Steel Castings
Huadong YAN,Hui JIN()

图9. 试样4的断口形貌的SEM像

Fig.9. Low (a) and high (b) magnified fractured surface SEM image of specimen 4