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About this Abstract
Meeting	2021 TMS Annual Meeting & Exhibition
Symposium	Characterization of Materials through High Resolution Imaging
Presentation Title	Microstructural Characterization and Mechanical Behavior of a Meteorite Using Correlative Microscopy
Author(s)	Tai-Jan Huang, Sridhar Niverty, Arun Sundar, Md Fazle Rabbi, Laurence A.J. Garvie, Aditi Chattopadhyay, Desireé Cotto-Figueroa, Nikhilesh Chawla
On-Site Speaker (Planned)	Tai-Jan Huang
Abstract Scope	Meteorites have a complex microstructure due to their multicomponent nature and the conditions in which they were formed. Their complex anisotropic structure and formation history makes it difficult to obtain reliable structure-property relationships in these materials. Thus, a comprehensive assessment of microstructural phase distribution and the connection to mechanical properties is important. In this study, a correlative microscopy-based approach was used to characterize the meteorite Aba Panu(L3). Absorption contrast X-ray tomography was employed to non-destructively obtain the 3D spatial distribution of constituent phases. Additionally, scanning electron microscopy, energy dispersive spectroscopy (EDS), and wavelength dispersive spectroscopy (WDS) were employed to obtain phase compositions and thereby, infer the types of mineral present in the meteorite. Nanoindentation and Vickers micro-indentation were performed on all identified phases to measure modulus and hardness properties. The variability in mechanical properties of the various phases were correlated with the compositional variability and will be discussed.
Proceedings Inclusion?	Planned:
Keywords	Characterization, Mechanical Properties, Other

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