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Analysis of Adhesive Penetration into Wood using Nano-X-ray Computed Tomography

Paige McKinley, Frederick A. Kamke, Arijit Sinha, Vincent De Andrade, Joseph E. Jakes


This study focused on the penetration of adhesive into cell lumens and cell walls. Douglas-fir samples containing an iodinated phenol-formaldehyde adhesive were analyzed using nano-X-ray computed tomography (XCT), X-ray fluorescence microscopy, and energy-dispersive X-ray spectroscopy to observe adhesive penetration in cell walls. A gradient of penetration was observed within the cell wall structure. In addition, these nano-XCT datasets were indexed to previous micro-XCT datasets, which gave the ability to link the nanoscale cell wall penetration to microscale penetration in to the porous network of cell lumens.



nano-X-ray computed tomography; X-ray fluorescence microscopy; energy dispersive X-ray spectroscopy; adhesive; cell wall penetration

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