Experimental Study of 3D Micro-CT on Meso-Structure Evolution of Coal Samples with Different Coal Grades under the Action of Temperature

Figure 2

The CT scanned images of lignite test piece. (a) Room temperature section (sections 1, 2, and 3 from left to right). (b) 100°C section (sections 1, 2, and 3 from left to right). (c) 200°C section (sections 1, 2, and 3 from left to right). (d) 300°C section (sections 1, 2, and 3 from left to right).

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