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

图3 M2高速钢淬火+回火后基体组织的TEM照片

Fig.3 TEM images of microstructure in M2 high speed steel after quenching and tempering (a) bright field image; (b) dark field image of martensite; (c) dark field image of austenite; (d) electron diffraction patterns