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11 中断试样(Δεt = 0.5%，Nf = 100 cycs)的微观变形结构 |
| Fig.11 HRTEM and IFFT image of the specimen with Δεt = 0.5%，Nf = 100 cycs: (a) The HRTEM micrograph of interdendritic γ″ and γ-matrix with the FFT pattern; (b, c) the corresponding inverse FFT images of areas b an c in (a), respectively; (d) The HRTEM micrograph of γ″ in matrix and γ-matrix with the FFT pattern; (e) The corresponding inverse FFT image of (d) (dislocation as marked with ‘T’) |
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