Hf和Ta对镍基粉末高温合金蠕变断裂特征和性能的影响 |
张浩鹏, 白佳铭, 李新宇, 李晓鲲, 贾建, 刘建涛, 张义文 |
Effect of Hf and Ta on Creep Rupture Characteristics and Properties of Powder Metallurgy Ni-Based Superalloys |
ZHANG Haopeng, BAI Jiaming, LI Xinyu, LI Xiaokun, JIA Jian, LIU Jiantao, ZHANG Yiwen |
图4 0Hf + 0Ta合金的裂纹源区、裂纹源区与裂纹扩展区交界及裂纹扩展区的断口形貌 (a1-a3) 650 oC, 970 MPa (b1-b3) 700 oC, 770 MPa (c1-c3) 750 oC, 580 MPa |
Fig.4 Fracture morphologies of the CSA (a1-c1), the boundaries of CSA and CPA (indicated by the dotted yellow line) (a2-c2), and the CPA (a3-c3) of 0Hf + 0Ta alloy |
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