Research on bending-slip rib spalling and rib stability of extra-thick hard coal wall
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DOI: 10.1038/s41598-025-09180-y
Abstract: In response to the frequent occurrence of coal face spalling affecting the working face production during the mining of extra-thick hard coal seams, this study investigates the characteristics of typical hard coal face damage. Coal… read more here.
Keywords: coal face; extra thick; coal; thick hard ... See more keywords
Endogenous–Exogenous Analyses of the Solidification Structure in 475 mm Extra-Thick Slabs: Columnar-to-Equiaxed Positioning and Effect of Strand Electromagnetic Stirring
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DOI: 10.3390/ma18102179
Abstract: The spatial distribution of equiaxed crystal zones during extra-thick slab solidification exerts a critical influence on the mechanical performance of the final product. This investigation establishes a dual-pathway control framework for solidification structure modulation, differentiating… read more here.
Keywords: solidification structure; solidification; thick slabs; extra thick ... See more keywords