Fracture Mode Transition and Energy Dissipation of Brittle Coal Under Confinement Induced by a Flexible Polyurea Coating.

Polymers (Basel) · 2026 · PMC13306942 · PMID 42357064

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an increasing trendno p-value reported

After the introduction of polyurea coating, the peak stress of the coal samples exhibits an increasing trend with coating thickness.

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