CT specimen CT试样 ; 紧凑拉伸试样
Lesion lengths are from top to bottom CT, intraoperative specimen, X-ray barium meal and formalin-fixed specimen.
病变长度从大到小顺序依次为CT、手术标本、X线钡餐和固定后标本。
The specimen was scanned and reconstructed by means of Micro-CT, images of density field were obtained, and the 3D crack morphology was extracted.
采用微焦点CT对疲劳试样进行了扫描与重建，获得了密度场图像库，并提取了试样内部的三维裂纹形态。结果表明裂纹以体的形式存在。
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