基于同步辐射X射线成像的选区激光熔化Ti-6Al-4V合金缺陷致疲劳行为
吴正凯1,吴圣川1(),张杰2,宋哲1,胡雅楠1,康国政1,张海鸥3
Defect Induced Fatigue Behaviors of Selective Laser Melted Ti-6Al-4V via Synchrotron Radiation X-Ray Tomography
Zhengkai WU1,Shengchuan WU1(),Jie ZHANG2,Zhe SONG1,Yanan HU1,Guozheng KANG1,Haiou ZHANG3

图9. 选区激光熔化Ti-6Al-4V合金高周疲劳试样疲劳断口形貌

Fig.9. High cycle fatigue specimen fracture morphologies of selective laser melted Ti-6Al-4V failed at σ max =440 MPa, N f=5.9×104 cyc