![]() Characterization results from electron microprobe analysis identified different elements and areal distribution of mineral phases and pre-existing cracks. Ultrasonic tests were used to calculate elastic moduli from sound speeds and compared with the results of L-type ordinary chondrites from the literature. Axial splitting and multiple fracturing occur during the uniaxial compressive state of stress. Aba Panu exhibits brittle failure during compression with a range of failure strength from 361.7 to 578.0 MPa. These data were used to determine the elastic modulus and local strain distribution, and investigate the effects of the mineralogical and structural heterogeneity on the crack formation and growth sites. Three-dimensional (3-D) digital image correlation (DIC) was used to measure the full-field deformation and strain. Compression experiments were conducted on ten 1 cm cubes under quasi-static conditions in constant displacement control mode at room temperature. In this study, the Aba Panu (元) ordinary chondrite meteorite is investigated to understand its failure response under compressive loading. ![]() ![]() A comprehensive understanding of the mechanical strength and failure mechanisms of asteroids is essential for the development of hazard mitigation strategies and in situ resource extraction.
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