Hf和Ta对镍基粉末高温合金蠕变断裂特征和性能的影响
Effect of Hf and Ta on Creep Rupture Characteristics and Properties of Powder Metallurgy Ni-Based Superalloys
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10 0Hf + 0Ta合金在650 ℃、970 MPa，700 ℃、770 MPa和750 ℃、580 MPa蠕变断裂后的二次裂纹，及650 ℃、970 MPa蠕变断裂后退火孪晶的TEM像 |
| Fig.10 Secondary cracks of 0Hf + 0Ta alloy after 650 oC, 970 MPa (a), 700 oC, 770 MPa (b), and 750 oC, 580 MPa (c) creep ruptures; and BF TEM image of an annealing twin (A-T) after 650 oC, 970 MPa creep rupture (d) (Inset in Fig.10d shows the corresponding DF TEM image; the blue arrows indicate A-TB, and the red circles indicate the sources of secondary cracks) |
|
|