![]() ![]() Molecular dynamics simulations demonstrate that the observed mis-orientations of adjacent crystals induce crack deflection. Within each rod crystals are not co-oriented with one another or with the long axis of the rod, as previously assumed: the c-axes of adjacent nanocrystals are most frequently mis-oriented by 1°–30°, and this orientation within each rod gradually changes, with an overall angle spread that is never zero, but varies between 30°–90° within one rod. Here we show that the crystalline c-axes are homogenously oriented in interrod crystals across most of the enamel layer thickness. The orientation of enamel crystals, however, is poorly understood. Enamel includes morphologically aligned, parallel, ∼50 nm wide, microns-long nanocrystals, bundled either into 5-μm-wide rods or their space-filling interrod. Įnamel is the hardest and most resilient tissue in the human body. The code to measure the angular distances of c-axes in Fig. The Igor Pro macros, called GG Macros, used to produce PIC maps are available free of charge on. The bottom 6 panels are from Source Data files H335, H338, H341, H342, H345, H346. 7: Source data are provided as Source Data files H108, H111, H113, H116, H118, H119. 2: Source data are provided as Source Data files H276, H279, H283, H284, H286, H288. They are grouped and named as follows:įig. ![]() All .pxp files for a figure are zipped together in a folder, and each stack is zipped separately. Įach data set is provided as an Igor Pro experiment with file extension.pxp and as a stack of 38 unratioed, unaligned images with file extension .P3B. Source Data Files are provided as stacks of P3B images on. GUID: E6136C2C-6E68-4CAE-B9C0-BA6DE02BAA07 Data Availability Statement ![]()
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