期刊
MATERIALS CHARACTERIZATION
卷 205, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.matchar.2023.113331
关键词
Meteorite; X-ray microtomography; Nanoindentation
Meteorite samples that land on earth provide important information about asteroids and meteors in space. This study used 3D x-ray tomography, scanning electron microscopy, and energy dispersive spectroscopy to analyze the microstructure, elemental composition, and mechanical properties of the Aba Panu meteorite. The results contribute to a comprehensive understanding of the formation history and characteristics of the meteorite.
Meteorite samples that land on earth can provide important information about asteroid and meteors found in space. Thorough, multimodal, and multiscale microstructural analysis is necessary to provide clues about the formation history of these materials. Both 3D x-ray tomography and scanning electron microscopy, along with energy dispersive spectroscopy, were used to obtain detailed structural information from the Aba Panu meteorite. EDS was utilized to obtain elemental composition and identify existing minerals in the meteorite. The microstructural analysis enabled a proposed hypothesis of potential local structure formation processes supported by phase diagrams of the existing minerals. Mechanical properties of identified phases were measured using nanoindentation and Vickers hardness testing. By combining structural, compositional, and mechanical results, a comprehensive characterization and discussion of meteorite Aba Panu was obtained.
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