Spatially-resolved volume monitoring of adhesive cure using correlated-image optical coherence tomography
Date
2013-04-15T00:00:00Z
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Publisher
Elsevier Science B.V., Amsterdam.
Department
Type
Article
ISSN
0143-7496
Format
Citation
H.D. Ford, R.P. Tatam, Spatially-resolved volume monitoring of adhesive cure using correlated-image optical coherence tomography, International Journal of Adhesion and Adhesives, Volume 42, April 2013, Pages 21–29.
Abstract
Cross-correlation of optical coherence tomography (OCT) images has been applied to internal imaging of PVA and two-part epoxy adhesives during cure, providing information on relative viscosity at different positions within the sample volume. Spatial resolution of a few micrometres is obtained in the original OCT images, and a few tens of micrometres in the correlation images, enabling the progress of cure to be mapped in fine detail within a small cure volume. Evidence of phase separation is seen in the OCT and correlation images of a partially-cured PVA emulsion. Mixing structure and regions of poor cure can be observed in a poorly-mixed two-part epoxy.
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Github
Keywords
OCT, coherence tomography, cure-monitoring, adhesives
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NOTICE: this is the author’s version of a work that was accepted for publication in International Journal of Adhesion and Adhesives. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Adhesion and Adhesives, VOL 42, (2013) DOI: 10.1016/j.ijadhadh.2012.11.012