K4169合金的高温低周疲劳行为
Low-cycle Fatigue Behavior of a Cast Ni-based Superalloy K4169 at 650oC
K4169合金的高温低周疲劳行为 |
| 刘庆澳, 张伟红, 王志远, 孙文儒 |
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Low-cycle Fatigue Behavior of a Cast Ni-based Superalloy K4169 at 650oC |
| LIU Qing'ao, ZHANG Weihong, WANG Zhiyuan, SUN Wenru |
| 图12 不同应变下断裂试样的微观变形结构 |
| Fig.12 TEM micrographs of fracture specimens under different strains (a) Bright field image with SAED pattern, Δεt = 0.5%；(b) Dark field image, Δεt = 0.5%; (c) Slip bands distribution, Δεt = 0.5%; (d) Bright field image with SAED pattern，Δεt = 1.0%; (e) Dark field image, Δεt = 1.0%; (f) Slip bands distribution, Δεt = 1.0% |
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