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Figure 4
(a) Neutron cross-sectional slice, overlaid with a 3D rendering of the uncorroded iron and the scabbard (transparent). The slice is opaque, making the post-slice structural rendering invisible. (b) Three-dimensional rendering results of the uncorroded iron and the writing knife blade (transparent). (c) and (d) Skeletonized visualizations of the cracks relative to the knife from different viewing angles, where the colourmap represents the crack width. |

journal menu![[Figure 4]](bon5002fig4.jpg)



