Page 8 - Shimadzu Xctal 5000
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Applications
                     (Absorption, Dark-field, and Phase Images)






                      CFRP Laminate Layers                                                                                                Plastic Bottles

                     This is a sample scan of a material in which the angle of a prepreg of fibers aligned along one direction is changed to   This is a sample scan of a plastic spray bottle. With a phase image, it is possible to observe the voids in the plastic,
                     build up the laminate layers. It is evident from the cross-sectional images that there are three orientation directions,   without the impact of artifacts due to a spring. In addition, the internal structure of the sample where different types
                     and from the VR image, these have evidently been used by turns in the laminate.                                    of plastic are joined can be observed using absorption and phase images due to the difference in the absorption
                                                                                                                                        coefficients and densities.









                              0° direction        45° direction        -45° direction
                                         Vector Direction Color Maps (CT)            VR Image (Vector Direction Color Map)
                                                                                                                                          Cross-Sectional Image   Cross-Sectional Image   Cross-Sectional Image   Cross-Sectional Image
                      CFRP Cloth Material                                                                                                    (Absorption)              (Phase)               (Absorption)             (Phase)

                     This is an example of the analysis of fiber orientations in a laminate material, woven with carbon fibers.
                                                                                                                                          Tomatoes
                                                                                                                                        This is a sample scan of a tomato. The internal structure of the vegetable can be observed even if there is a high
                                                                                                                                        moisture content.








                                 Vector Direction Color Maps (CT)      VR Image (Vector Direction Color Map)
                      CFRP Random Laminate
                                                                                                                                        Cross-Sectional Image (Dark)  Cross-Sectional Image (Dark)  VR Image (Dark)
                     This is a sample scan of a material in which pieces of carbon tape with random orientations are used to build up the
                     laminate layers. X-rays scattered along the orientation of the grating are detected, enabling the fibers oriented along
                     these directions to be detected.                                                                                     Upper Jaw Tooth Plate of an Elephant Shark

                                                                                                                                        This is a sample scan of an upper jaw tooth plate of an elephant shark.







                              0° direction           45° direction           90° direction           -45° direction
                                                        Cross-Sectional Images (Dark)




                                                                                                                                                                Cross-Sectional Images                         Cross-Sectional Images
                                                                                                                                                                   (Absorption)                                     (Dark)

                     Fiber orientation analysis
                                                                                  1.5mm                1.5mm
                                                                                                                                        A number of cracks, probably caused by occlusion, are visualized in the red squared area in the dark-field image (right)
                     Vector Direction Color Map (CT)    7mm          Cross-Sectional Image of the Enlarged Absorption Image of the Area   of the upper jaw tooth plate of the elephant shark. Whereas cracks are not visible in the absorption image (left).
                                                                      in the Yellow Frame, and the Results of an Orientation Analysis
                          FOV : 40 mm                                  (Image obtained with the inspeXio SMX-225CT FPD HR Plus)         Technique to detect such an internal structural defects nondestructively should be highly useful in development of
                                                                                                                                        biomaterial which is subjected to mechanical stress.
                     With the random sheet of chopped tape, variation of the fiber orientation changes the mechanical properties and     (Samples and comments provided by: Dr. Mayumi Iijima, Graduate School of Agricultural and Life Sciences/Faculty of Agriculture, The
                     moldability, thereby changing the quality of the molded product. The fiber orientation analysis makes it possible to   University of Tokyo)
                     predict the quality nondestructively, and further, enables research into the design of laminates with a slight variation                               The affiliation of the providers of the samples and comments is as of July 27, 2022.
                     and stable quality.
                     (Samples and comments provided by: ICC, Kanazawa Institute of Technology)
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