Residual Stress, Thermomechanics & Infrared Imaging, Hybrid Techniques and Inverse Problems, Volume 9 by Simon Quinn & Xavier Balandraud

Author:Simon Quinn & Xavier Balandraud
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

13.3 Results and Discussion

13.3.1 Non Uniform Thickness Measurement From Micro-X-ray Tomography

The 3D reconstructed tomography and finite element surface meshing shown in Fig. 13.2a, b were carried out in 3D visualization software.1 Tomography allows virtual cross sectioning to look at layer thickness without destroying the actual sample. A vertical cross section slice of the reconstructed (μ-CT data is presented in Fig. 13.2c. A code2 was developed to extract the nodes that belong to the porcelain external surface node coordinates f p (x, y) and zirconia-porcelain interface surfaces f p (x, y).

Fig. 13.2(a) 3D graphical rendering of tomography from a bi-layer dental crown made of zirconia ceramic base covered by porcelain layer (b) 3D meshed surfaces (c) Minimum distance between two curved lines nodes (d) Distance between two straight lines (e) Minimum distance between the nodes on two straight lines

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