超细晶纯钛疲劳裂纹的扩展行为
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Fatigue Crack Propagation Behavior of Ultrafine Grained Pure Titanium
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图4. 超细晶纯钛的宏观扩展路径和宏观断口 |
Fig.4. Extended path and macroscopic fracture of UFG pure titanium (a) crack path; (b) macro fracture surface |
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