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Published in 2017 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2017.08.007
Abstract: Abstract The microscale characteristics of gray and black shale samples collected from two different locations of Singrauli coalfield, Madhya Pradesh, India were investigated using scratch tester and Raman stress mapping. The failure events were analyzed…
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Keywords:
gray shale;
raman;
black gray;
scratch ... See more keywords