Institute of Solid State Physics


 Impact of local deformations in paper on air transport

The 3D microstructure of paper recorded at micrometer resolution reveals the pore space available for transport in paper. When dry paper is exposed to water, the total pore space expands in volume even though the paper fibers double in volume at the same time. Yet it remains unclear how strongly transport changes when the pore space locally changes. To answer that, this project uses pore networks, i.e., the actual pore space is mapped on a pore network. Monitoring transport through the pore networks associated to paper before and while being contact with water shall reveal whether water-induced changes can decisively affect transport.



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