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AuthorAntony, S. J.
AuthorOlugbenga, A.
AuthorOzerkan, N.
AuthorMarumoame, O.
AuthorOkeke, G.
Available date2021-07-01T05:48:08Z
Publication Date2016
Publication NameEarth and Space 2016: Engineering for Extreme Environments - Proceedings of the 15th Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments
ResourceScopus
URIhttp://dx.doi.org/10.1061/9780784479971.074
URIhttp://hdl.handle.net/10576/20911
AbstractIn the exploration of planetary materials using robotic probes, one of the key priorities is to establish fundamental level understandings on the mechanical response of materials under different levels of loading. In this context, though a number of strength characterisation tools are applied in the space industry, whole-field visualization of stress and temperature distribution on rock samples and their potential relevance to fracture under external loading is not yet well exploited. In this work, we apply two types of tomography namely (i) IR tomography and (ii) PSAT tomography to understand the variation of temperature and shear stress distribution respectively anywhere on the samples at point scale. Sandstone is used as a simulant material here. Potential links between the tomography measures and the fracture strength of the sandstone are revealed in this work.
SponsorThis publication was made possible by NPRP grant # 6-1010-2-413 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.
Languageen
PublisherAmerican Society of Civil Engineers (ASCE)
SubjectCharacterization
Earth (planet)
Fracture
Fracture toughness
Sandstone
Shear stress
Stress concentration
Tomography
External loading
Field visualization
Mechanical loading
Mechanical response
Planetary materials
Sensing temperature
Simulant materials
Space industry
Stress analysis
TitleSensing Temperature and Stress Distributions on Rock Samples under Mechanical Loading
TypeConference Paper
Pagination797-804
dc.accessType Abstract Only


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