γ-TiAl合金在700 ℃空气中的长时高温氧化行为和组织演变
Long-Term Oxidation Behavior and Microstructural Evolution of γ-TiAl Alloys at 700 oC in Air
γ-TiAl合金在700 ℃空气中的长时高温氧化行为和组织演变 |
| 周志春, 刘仁慈, 张建达, 杨超, 崔玉友, 杨锐 |
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Long-Term Oxidation Behavior and Microstructural Evolution of γ-TiAl Alloys at 700 oC in Air |
| ZHOU Zhichun, LIU Renci, ZHANG Jianda, YANG Chao, CUI Yuyou, YANG Rui |
| 图6 45XD合金样品的初始显微组织及700 ℃氧化2000 h后的显微组织 |
| Fig.6 Bright-field (BF) TEM images (a, d), dark-field (DF) TEM image (b), and the selected area electron diffraction (SAED) pattern from the circular area in Fig.6a (c) of (α2 + γ) lamellar colonies in the bulk of 45XD alloy specimens after oxidation at 700 oC for 0 h (a-c) and 2000 h (d) (Fig.6b shows α2 lamellae in Fig.6a) |
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