5th International Congress on 3D Materials Science (3DMS 2021): Tuesday Invited
Program Organizers: Dorte Juul Jensen, Technical University of Denmark; Erica Lilleodden, Fraunhofer Insitute for Microstructure of Materials and Systems (IMWS); Scott Barnett, Northwestern University; Keith Knipling, Naval Research Laboratory; Matthew Miller, Cornell University; Akira Taniyama, The Japan Institute of Metals and Materials; Hiroyuki Toda, Kyushu University; Lei Zhang, Chinese Academy of Sciences
Tuesday 9:20 AM
June 29, 2021
Room: Virtual A
Location: Virtual
Session Chair: Akira Taniyama, The Japan Institute of Metals and Materials
9:20 AM Invited
Development of Comprehensive Evaluation Techniques for Extraterrestrial Materials: Masayuki Uesugi1; Akihisa Takeuchi1; Kentaro Uesugi1; 1Japan Synchrotron Radiation Research Institute
Synchrotron radiation (SR) computed tomography (CT) is one of the important tools for the analysis of extraterrestrial materials, such as meteorites and cosmic dusts and especially returned samples by spacecraft missions, because of its non-destructive feature. Internal structure of the extraterrestrial material can be obtained with spatial resolution less around 1µm before the destructive analyses. However, materials included in the samples cannot be determined uniquely, because the range of the X-ray absorption coefficient of constituent materials is significantly overlapped in previous system. A multi-mode CT system for the comprehensive analysis of extraterrestrial materials has been developed at BL20XU/SPring-8. The system composed of multiscale CT, XRD-CT and phase contrast CT setup, to identify variety of components in extraterrestrial materials, such as silicates, iron-Ni-sulfur alloys, carbonates, and organic materials. The system will be applied for the analysis of returned samples of asteroid Ryugu, after return back of “HAYABUSA2” spacecraft in late 2020.