原位研究M2高速钢微裂纹的萌生和扩展

胡海波, 朱丽慧, 段元满, 吴晓春, 顾炳福

In-situ Study of Microcrack Initiation and Propagation of M2 High Speed Steel

HU Haibo, ZHU Lihui, DUAN Yuanman, WU Xiaochun, GU Bingfu

表1 M2高速钢的化学成分

Table 1 Chemical composition of M2 high speed steel (mass fraction, %)

C W Mo Cr V Si Mn P S Fe 0.850 6.380 5.370 4.340 2.100 0.228 0.280 0.067 0.020 Bal.