间隙元素O对 β 型Ti-15Mo合金超低温力学性能的影响
Effect of Interstitial Element O on Cryogenic Mechanical Properties in β-Type Ti-15Mo Alloy
间隙元素O对 β 型Ti-15Mo合金超低温力学性能的影响 |
| 戴进财, 闵小华, 辛社伟, 刘凤金 |
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Effect of Interstitial Element O on Cryogenic Mechanical Properties in β-Type Ti-15Mo Alloy |
| DAI Jincai, MIN Xiaohua, XIN Shewei, LIU Fengjin |
| 图2 0.2O和0.4O合金经20 K处理后原始组织的OM像及TEM分析 |
| Fig.2 OM images and TEM analyses of initial microstructures in 0.2O (a-d) and 0.4O (e-h) alloys after treatment at 20 K (ω1 and ω2 are the variants of ω) (a, e) OM images of the position for extracting lamella by field emission focused ion beam (FE-FIB) (Insets are the SEM images) (b, f) dark field (DF) images of the one-variant of ω-phase (Insets are the corresponding selected area electron diff-raction (SAED) patterns) (c, g) high-resolution TEM (HRTEM) images (Insets are the corresponding fast Fourier transformation (FFT) patterns) (d, h) Fourier-filtered HRTEM images in the regions denoted by black rectangles in Figs.2c and g |
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