NM500耐磨钢拉伸过程中TiN的破碎机制
吴翔,左秀荣(),赵威威,王中洋
Mechanism of TiN Fracture During the Tensile Process of NM500 Wear-Resistant Steel
WU Xiang,ZUO Xiurong(),ZHAO Weiwei,WANG Zhongyang

图4. NM500钢试样未腐蚀断口剖面上TiN夹杂的SEM像

Fig.4. SEM images of TiN precipitates on the uncorroded fracture profile of NM500 steel specimen(a) TiN of the cluster near the tensile fracture (b) TiN with a large crack (c) TiN with a big hole(d) TiN with several cracks (e) cluster-like TiN of different sizes (f) TiN with several small cracks(g) TiN with a small hole (h) TiN with two small cracks (i) TiN with a intact shape