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
(a) 0Hf + 0Ta (b) 0.5Hf + 0Ta (c) 0Hf + 2.4Ta (d) 0.5Hf + 2.4Ta
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 |
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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7 不同Hf和Ta含量合金在650 ℃、970 MPa蠕变断裂后显微组织的TEM像及选区电子衍射(SAED)花样 |
| Fig.7 Bright-field (BF) TEM images, selected area electron diffraction (SAED) patterns, and dark-field (DF) TEM images of microstructures of the alloys after creep rupture at 650 oC, 970 MPa (D-MT—deformation microtwin) (a) 0Hf + 0Ta (b) 0.5Hf + 0Ta (c) 0Hf + 2.4Ta (d) 0.5Hf + 2.4Ta |
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